hotspot/src/share/vm/oops/methodData.hpp
author roland
Mon, 31 Mar 2014 09:08:53 +0200
changeset 23525 e3eb08ead679
parent 23491 f690330b10b9
child 23526 6851d341ad52
permissions -rw-r--r--
8031755: Type speculation should be used to optimize explicit null checks Summary: feed profiling data about reference nullness to type speculation. Reviewed-by: kvn, iveresov
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/*
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 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_OOPS_METHODDATAOOP_HPP
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#define SHARE_VM_OOPS_METHODDATAOOP_HPP
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#include "interpreter/bytecodes.hpp"
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#include "memory/universe.hpp"
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#include "oops/method.hpp"
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#include "oops/oop.hpp"
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#include "runtime/orderAccess.hpp"
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class BytecodeStream;
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class KlassSizeStats;
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// The MethodData object collects counts and other profile information
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// during zeroth-tier (interpretive) and first-tier execution.
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// The profile is used later by compilation heuristics.  Some heuristics
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// enable use of aggressive (or "heroic") optimizations.  An aggressive
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// optimization often has a down-side, a corner case that it handles
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// poorly, but which is thought to be rare.  The profile provides
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// evidence of this rarity for a given method or even BCI.  It allows
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// the compiler to back out of the optimization at places where it
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// has historically been a poor choice.  Other heuristics try to use
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// specific information gathered about types observed at a given site.
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//
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// All data in the profile is approximate.  It is expected to be accurate
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// on the whole, but the system expects occasional inaccuraces, due to
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// counter overflow, multiprocessor races during data collection, space
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// limitations, missing MDO blocks, etc.  Bad or missing data will degrade
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// optimization quality but will not affect correctness.  Also, each MDO
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// is marked with its birth-date ("creation_mileage") which can be used
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// to assess the quality ("maturity") of its data.
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//
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// Short (<32-bit) counters are designed to overflow to a known "saturated"
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// state.  Also, certain recorded per-BCI events are given one-bit counters
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// which overflow to a saturated state which applied to all counters at
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// that BCI.  In other words, there is a small lattice which approximates
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// the ideal of an infinite-precision counter for each event at each BCI,
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// and the lattice quickly "bottoms out" in a state where all counters
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// are taken to be indefinitely large.
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//
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// The reader will find many data races in profile gathering code, starting
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// with invocation counter incrementation.  None of these races harm correct
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// execution of the compiled code.
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// forward decl
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class ProfileData;
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// DataLayout
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//
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// Overlay for generic profiling data.
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class DataLayout VALUE_OBJ_CLASS_SPEC {
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  friend class VMStructs;
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private:
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  // Every data layout begins with a header.  This header
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  // contains a tag, which is used to indicate the size/layout
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  // of the data, 4 bits of flags, which can be used in any way,
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  // 4 bits of trap history (none/one reason/many reasons),
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  // and a bci, which is used to tie this piece of data to a
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  // specific bci in the bytecodes.
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  union {
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    intptr_t _bits;
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    struct {
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      u1 _tag;
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      u1 _flags;
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      u2 _bci;
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    } _struct;
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  } _header;
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  // The data layout has an arbitrary number of cells, each sized
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  // to accomodate a pointer or an integer.
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  intptr_t _cells[1];
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  // Some types of data layouts need a length field.
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  static bool needs_array_len(u1 tag);
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public:
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  enum {
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    counter_increment = 1
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  };
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  enum {
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    cell_size = sizeof(intptr_t)
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  };
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  // Tag values
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  enum {
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    no_tag,
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    bit_data_tag,
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    counter_data_tag,
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    jump_data_tag,
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    receiver_type_data_tag,
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    virtual_call_data_tag,
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    ret_data_tag,
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    branch_data_tag,
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    multi_branch_data_tag,
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    arg_info_data_tag,
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    call_type_data_tag,
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    virtual_call_type_data_tag,
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    parameters_type_data_tag,
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    speculative_trap_data_tag
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  };
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  enum {
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    // The _struct._flags word is formatted as [trap_state:4 | flags:4].
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    // The trap state breaks down further as [recompile:1 | reason:3].
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    // This further breakdown is defined in deoptimization.cpp.
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    // See Deoptimization::trap_state_reason for an assert that
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    // trap_bits is big enough to hold reasons < Reason_RECORDED_LIMIT.
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    //
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    // The trap_state is collected only if ProfileTraps is true.
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    trap_bits = 1+3,  // 3: enough to distinguish [0..Reason_RECORDED_LIMIT].
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    trap_shift = BitsPerByte - trap_bits,
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    trap_mask = right_n_bits(trap_bits),
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    trap_mask_in_place = (trap_mask << trap_shift),
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    flag_limit = trap_shift,
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    flag_mask = right_n_bits(flag_limit),
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    first_flag = 0
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  };
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  // Size computation
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  static int header_size_in_bytes() {
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    return cell_size;
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  }
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  static int header_size_in_cells() {
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    return 1;
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  }
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  static int compute_size_in_bytes(int cell_count) {
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    return header_size_in_bytes() + cell_count * cell_size;
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  }
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  // Initialization
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  void initialize(u1 tag, u2 bci, int cell_count);
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  // Accessors
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  u1 tag() {
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    return _header._struct._tag;
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  }
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  // Return a few bits of trap state.  Range is [0..trap_mask].
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  // The state tells if traps with zero, one, or many reasons have occurred.
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  // It also tells whether zero or many recompilations have occurred.
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  // The associated trap histogram in the MDO itself tells whether
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  // traps are common or not.  If a BCI shows that a trap X has
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  // occurred, and the MDO shows N occurrences of X, we make the
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  // simplifying assumption that all N occurrences can be blamed
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  // on that BCI.
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  int trap_state() const {
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    return ((_header._struct._flags >> trap_shift) & trap_mask);
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  }
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  void set_trap_state(int new_state) {
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    assert(ProfileTraps, "used only under +ProfileTraps");
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    uint old_flags = (_header._struct._flags & flag_mask);
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    _header._struct._flags = (new_state << trap_shift) | old_flags;
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  }
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  u1 flags() const {
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    return _header._struct._flags;
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  }
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  u2 bci() const {
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    return _header._struct._bci;
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  }
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  void set_header(intptr_t value) {
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    _header._bits = value;
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  }
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  intptr_t header() {
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    return _header._bits;
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  }
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  void set_cell_at(int index, intptr_t value) {
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    _cells[index] = value;
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  }
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  void release_set_cell_at(int index, intptr_t value) {
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    OrderAccess::release_store_ptr(&_cells[index], value);
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  }
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  intptr_t cell_at(int index) const {
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    return _cells[index];
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  }
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  void set_flag_at(int flag_number) {
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    assert(flag_number < flag_limit, "oob");
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    _header._struct._flags |= (0x1 << flag_number);
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  }
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  bool flag_at(int flag_number) const {
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    assert(flag_number < flag_limit, "oob");
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    return (_header._struct._flags & (0x1 << flag_number)) != 0;
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  }
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  // Low-level support for code generation.
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  static ByteSize header_offset() {
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    return byte_offset_of(DataLayout, _header);
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  }
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  static ByteSize tag_offset() {
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    return byte_offset_of(DataLayout, _header._struct._tag);
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  }
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  static ByteSize flags_offset() {
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    return byte_offset_of(DataLayout, _header._struct._flags);
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  }
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  static ByteSize bci_offset() {
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    return byte_offset_of(DataLayout, _header._struct._bci);
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  }
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  static ByteSize cell_offset(int index) {
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    return byte_offset_of(DataLayout, _cells) + in_ByteSize(index * cell_size);
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  }
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#ifdef CC_INTERP
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  static int cell_offset_in_bytes(int index) {
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    return (int)offset_of(DataLayout, _cells[index]);
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  }
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#endif // CC_INTERP
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  // Return a value which, when or-ed as a byte into _flags, sets the flag.
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  static int flag_number_to_byte_constant(int flag_number) {
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    assert(0 <= flag_number && flag_number < flag_limit, "oob");
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    DataLayout temp; temp.set_header(0);
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    temp.set_flag_at(flag_number);
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    return temp._header._struct._flags;
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  }
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  // Return a value which, when or-ed as a word into _header, sets the flag.
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  static intptr_t flag_mask_to_header_mask(int byte_constant) {
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    DataLayout temp; temp.set_header(0);
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    temp._header._struct._flags = byte_constant;
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    return temp._header._bits;
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  }
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  ProfileData* data_in();
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  // GC support
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  void clean_weak_klass_links(BoolObjectClosure* cl);
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};
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// ProfileData class hierarchy
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class ProfileData;
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class   BitData;
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class     CounterData;
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class       ReceiverTypeData;
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class         VirtualCallData;
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class           VirtualCallTypeData;
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class       RetData;
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class       CallTypeData;
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class   JumpData;
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class     BranchData;
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class   ArrayData;
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class     MultiBranchData;
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class     ArgInfoData;
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class     ParametersTypeData;
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class   SpeculativeTrapData;
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// ProfileData
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//
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// A ProfileData object is created to refer to a section of profiling
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// data in a structured way.
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class ProfileData : public ResourceObj {
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  friend class TypeEntries;
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  friend class ReturnTypeEntry;
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  friend class TypeStackSlotEntries;
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private:
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#ifndef PRODUCT
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  enum {
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    tab_width_one = 16,
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    tab_width_two = 36
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  };
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#endif // !PRODUCT
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  // This is a pointer to a section of profiling data.
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  DataLayout* _data;
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  char* print_data_on_helper(const MethodData* md) const;
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protected:
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  DataLayout* data() { return _data; }
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  const DataLayout* data() const { return _data; }
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  enum {
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    cell_size = DataLayout::cell_size
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  };
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public:
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  // How many cells are in this?
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  virtual int cell_count() const {
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    ShouldNotReachHere();
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    return -1;
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  }
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  // Return the size of this data.
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  int size_in_bytes() {
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    return DataLayout::compute_size_in_bytes(cell_count());
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  }
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protected:
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  // Low-level accessors for underlying data
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  void set_intptr_at(int index, intptr_t value) {
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    assert(0 <= index && index < cell_count(), "oob");
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    data()->set_cell_at(index, value);
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  }
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  void release_set_intptr_at(int index, intptr_t value) {
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    assert(0 <= index && index < cell_count(), "oob");
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    data()->release_set_cell_at(index, value);
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  }
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  intptr_t intptr_at(int index) const {
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    assert(0 <= index && index < cell_count(), "oob");
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    return data()->cell_at(index);
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  }
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  void set_uint_at(int index, uint value) {
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    set_intptr_at(index, (intptr_t) value);
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  }
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  void release_set_uint_at(int index, uint value) {
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    release_set_intptr_at(index, (intptr_t) value);
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  }
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  uint uint_at(int index) const {
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    return (uint)intptr_at(index);
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  }
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  void set_int_at(int index, int value) {
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    set_intptr_at(index, (intptr_t) value);
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  }
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  void release_set_int_at(int index, int value) {
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    release_set_intptr_at(index, (intptr_t) value);
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  }
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  int int_at(int index) const {
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    return (int)intptr_at(index);
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  }
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  int int_at_unchecked(int index) const {
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    return (int)data()->cell_at(index);
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  }
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  void set_oop_at(int index, oop value) {
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    set_intptr_at(index, cast_from_oop<intptr_t>(value));
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  }
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  oop oop_at(int index) const {
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    return cast_to_oop(intptr_at(index));
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  }
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  void set_flag_at(int flag_number) {
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    data()->set_flag_at(flag_number);
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  }
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  bool flag_at(int flag_number) const {
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    return data()->flag_at(flag_number);
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  }
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  // two convenient imports for use by subclasses:
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  static ByteSize cell_offset(int index) {
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    return DataLayout::cell_offset(index);
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  }
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  static int flag_number_to_byte_constant(int flag_number) {
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    return DataLayout::flag_number_to_byte_constant(flag_number);
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  }
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  ProfileData(DataLayout* data) {
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    _data = data;
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  }
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#ifdef CC_INTERP
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  // Static low level accessors for DataLayout with ProfileData's semantics.
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  static int cell_offset_in_bytes(int index) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   380
    return DataLayout::cell_offset_in_bytes(index);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   381
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   382
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   383
  static void increment_uint_at_no_overflow(DataLayout* layout, int index,
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   384
                                            int inc = DataLayout::counter_increment) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   385
    uint count = ((uint)layout->cell_at(index)) + inc;
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   386
    if (count == 0) return;
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   387
    layout->set_cell_at(index, (intptr_t) count);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   388
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   389
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   390
  static int int_at(DataLayout* layout, int index) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   391
    return (int)layout->cell_at(index);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   392
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   393
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   394
  static int uint_at(DataLayout* layout, int index) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   395
    return (uint)layout->cell_at(index);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   396
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   397
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   398
  static oop oop_at(DataLayout* layout, int index) {
22849
b8670e920530 8028514: PPC64: Fix C++ Interpreter after '7195622: CheckUnhandledOops has limited usefulness now'
simonis
parents: 22838
diff changeset
   399
    return cast_to_oop(layout->cell_at(index));
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   400
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   401
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   402
  static void set_intptr_at(DataLayout* layout, int index, intptr_t value) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   403
    layout->set_cell_at(index, (intptr_t) value);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   404
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   405
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   406
  static void set_flag_at(DataLayout* layout, int flag_number) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   407
    layout->set_flag_at(flag_number);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   408
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   409
#endif // CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   410
1
489c9b5090e2 Initial load
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   411
public:
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parents:
diff changeset
   412
  // Constructor for invalid ProfileData.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   413
  ProfileData();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
20702
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roland
parents: 20282
diff changeset
   415
  u2 bci() const {
1
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parents:
diff changeset
   416
    return data()->bci();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
  address dp() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
    return (address)_data;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   423
  int trap_state() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
    return data()->trap_state();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
  void set_trap_state(int new_state) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
    data()->set_trap_state(new_state);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
  // Type checking
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   431
  virtual bool is_BitData()         const { return false; }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   432
  virtual bool is_CounterData()     const { return false; }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   433
  virtual bool is_JumpData()        const { return false; }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   434
  virtual bool is_ReceiverTypeData()const { return false; }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   435
  virtual bool is_VirtualCallData() const { return false; }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   436
  virtual bool is_RetData()         const { return false; }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   437
  virtual bool is_BranchData()      const { return false; }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   438
  virtual bool is_ArrayData()       const { return false; }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   439
  virtual bool is_MultiBranchData() const { return false; }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   440
  virtual bool is_ArgInfoData()     const { return false; }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   441
  virtual bool is_CallTypeData()    const { return false; }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   442
  virtual bool is_VirtualCallTypeData()const { return false; }
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
   443
  virtual bool is_ParametersTypeData() const { return false; }
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
   444
  virtual bool is_SpeculativeTrapData()const { return false; }
218
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
   445
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   447
  BitData* as_BitData() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
    assert(is_BitData(), "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
    return is_BitData()         ? (BitData*)        this : NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   451
  CounterData* as_CounterData() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
    assert(is_CounterData(), "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
    return is_CounterData()     ? (CounterData*)    this : NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   455
  JumpData* as_JumpData() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
    assert(is_JumpData(), "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
    return is_JumpData()        ? (JumpData*)       this : NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   459
  ReceiverTypeData* as_ReceiverTypeData() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   460
    assert(is_ReceiverTypeData(), "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   461
    return is_ReceiverTypeData() ? (ReceiverTypeData*)this : NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   462
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   463
  VirtualCallData* as_VirtualCallData() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
    assert(is_VirtualCallData(), "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
    return is_VirtualCallData() ? (VirtualCallData*)this : NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   466
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   467
  RetData* as_RetData() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
    assert(is_RetData(), "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   469
    return is_RetData()         ? (RetData*)        this : NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   471
  BranchData* as_BranchData() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   472
    assert(is_BranchData(), "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
    return is_BranchData()      ? (BranchData*)     this : NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   475
  ArrayData* as_ArrayData() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
    assert(is_ArrayData(), "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
    return is_ArrayData()       ? (ArrayData*)      this : NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   479
  MultiBranchData* as_MultiBranchData() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
    assert(is_MultiBranchData(), "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
    return is_MultiBranchData() ? (MultiBranchData*)this : NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   483
  ArgInfoData* as_ArgInfoData() const {
218
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
   484
    assert(is_ArgInfoData(), "wrong type");
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
   485
    return is_ArgInfoData() ? (ArgInfoData*)this : NULL;
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
   486
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   487
  CallTypeData* as_CallTypeData() const {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   488
    assert(is_CallTypeData(), "wrong type");
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   489
    return is_CallTypeData() ? (CallTypeData*)this : NULL;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   490
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   491
  VirtualCallTypeData* as_VirtualCallTypeData() const {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   492
    assert(is_VirtualCallTypeData(), "wrong type");
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   493
    return is_VirtualCallTypeData() ? (VirtualCallTypeData*)this : NULL;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   494
  }
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
   495
  ParametersTypeData* as_ParametersTypeData() const {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
   496
    assert(is_ParametersTypeData(), "wrong type");
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
   497
    return is_ParametersTypeData() ? (ParametersTypeData*)this : NULL;
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
   498
  }
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
   499
  SpeculativeTrapData* as_SpeculativeTrapData() const {
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
   500
    assert(is_SpeculativeTrapData(), "wrong type");
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
   501
    return is_SpeculativeTrapData() ? (SpeculativeTrapData*)this : NULL;
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
   502
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
489c9b5090e2 Initial load
duke
parents:
diff changeset
   505
  // Subclass specific initialization
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
   506
  virtual void post_initialize(BytecodeStream* stream, MethodData* mdo) {}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
  // GC support
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
   509
  virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
  // CI translation: ProfileData can represent both MethodDataOop data
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
  // as well as CIMethodData data. This function is provided for translating
489c9b5090e2 Initial load
duke
parents:
diff changeset
   513
  // an oop in a ProfileData to the ci equivalent. Generally speaking,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   514
  // most ProfileData don't require any translation, so we provide the null
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
  // translation here, and the required translators are in the ci subclasses.
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   516
  virtual void translate_from(const ProfileData* data) {}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
   518
  virtual void print_data_on(outputStream* st, const char* extra = NULL) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   519
    ShouldNotReachHere();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   520
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
   522
  void print_data_on(outputStream* st, const MethodData* md) const;
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
   523
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
#ifndef PRODUCT
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
   525
  void print_shared(outputStream* st, const char* name, const char* extra) const;
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   526
  void tab(outputStream* st, bool first = false) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   527
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   528
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   529
489c9b5090e2 Initial load
duke
parents:
diff changeset
   530
// BitData
489c9b5090e2 Initial load
duke
parents:
diff changeset
   531
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   532
// A BitData holds a flag or two in its header.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   533
class BitData : public ProfileData {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   534
protected:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   535
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   536
    // null_seen:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   537
    //  saw a null operand (cast/aastore/instanceof)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   538
    null_seen_flag              = DataLayout::first_flag + 0
489c9b5090e2 Initial load
duke
parents:
diff changeset
   539
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
   540
  enum { bit_cell_count = 0 };  // no additional data fields needed.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   541
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   542
  BitData(DataLayout* layout) : ProfileData(layout) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   543
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   544
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   545
  virtual bool is_BitData() const { return true; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   546
489c9b5090e2 Initial load
duke
parents:
diff changeset
   547
  static int static_cell_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   548
    return bit_cell_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   549
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   551
  virtual int cell_count() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
    return static_cell_count();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   553
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   554
489c9b5090e2 Initial load
duke
parents:
diff changeset
   555
  // Accessor
489c9b5090e2 Initial load
duke
parents:
diff changeset
   556
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
  // The null_seen flag bit is specially known to the interpreter.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   558
  // Consulting it allows the compiler to avoid setting up null_check traps.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   559
  bool null_seen()     { return flag_at(null_seen_flag); }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   560
  void set_null_seen()    { set_flag_at(null_seen_flag); }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   561
489c9b5090e2 Initial load
duke
parents:
diff changeset
   562
489c9b5090e2 Initial load
duke
parents:
diff changeset
   563
  // Code generation support
489c9b5090e2 Initial load
duke
parents:
diff changeset
   564
  static int null_seen_byte_constant() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   565
    return flag_number_to_byte_constant(null_seen_flag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   566
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   567
489c9b5090e2 Initial load
duke
parents:
diff changeset
   568
  static ByteSize bit_data_size() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   569
    return cell_offset(bit_cell_count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   570
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   571
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   572
#ifdef CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   573
  static int bit_data_size_in_bytes() {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   574
    return cell_offset_in_bytes(bit_cell_count);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   575
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   576
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   577
  static void set_null_seen(DataLayout* layout) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   578
    set_flag_at(layout, null_seen_flag);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   579
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   580
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   581
  static DataLayout* advance(DataLayout* layout) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   582
    return (DataLayout*) (((address)layout) + (ssize_t)BitData::bit_data_size_in_bytes());
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   583
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   584
#endif // CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   585
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   586
#ifndef PRODUCT
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
   587
  void print_data_on(outputStream* st, const char* extra = NULL) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   588
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   589
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   590
489c9b5090e2 Initial load
duke
parents:
diff changeset
   591
// CounterData
489c9b5090e2 Initial load
duke
parents:
diff changeset
   592
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   593
// A CounterData corresponds to a simple counter.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   594
class CounterData : public BitData {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   595
protected:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   596
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
    count_off,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
    counter_cell_count
489c9b5090e2 Initial load
duke
parents:
diff changeset
   599
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
   600
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   601
  CounterData(DataLayout* layout) : BitData(layout) {}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   602
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   603
  virtual bool is_CounterData() const { return true; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   604
489c9b5090e2 Initial load
duke
parents:
diff changeset
   605
  static int static_cell_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   606
    return counter_cell_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   607
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   608
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   609
  virtual int cell_count() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
    return static_cell_count();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   612
489c9b5090e2 Initial load
duke
parents:
diff changeset
   613
  // Direct accessor
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   614
  uint count() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   615
    return uint_at(count_off);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   616
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   617
489c9b5090e2 Initial load
duke
parents:
diff changeset
   618
  // Code generation support
489c9b5090e2 Initial load
duke
parents:
diff changeset
   619
  static ByteSize count_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   620
    return cell_offset(count_off);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   621
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   622
  static ByteSize counter_data_size() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   623
    return cell_offset(counter_cell_count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   624
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   625
4892
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
   626
  void set_count(uint count) {
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
   627
    set_uint_at(count_off, count);
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
   628
  }
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
   629
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   630
#ifdef CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   631
  static int counter_data_size_in_bytes() {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   632
    return cell_offset_in_bytes(counter_cell_count);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   633
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   634
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   635
  static void increment_count_no_overflow(DataLayout* layout) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   636
    increment_uint_at_no_overflow(layout, count_off);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   637
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   638
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   639
  // Support counter decrementation at checkcast / subtype check failed.
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   640
  static void decrement_count(DataLayout* layout) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   641
    increment_uint_at_no_overflow(layout, count_off, -1);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   642
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   643
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   644
  static DataLayout* advance(DataLayout* layout) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   645
    return (DataLayout*) (((address)layout) + (ssize_t)CounterData::counter_data_size_in_bytes());
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   646
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   647
#endif // CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   648
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   649
#ifndef PRODUCT
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
   650
  void print_data_on(outputStream* st, const char* extra = NULL) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   651
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
   652
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   653
489c9b5090e2 Initial load
duke
parents:
diff changeset
   654
// JumpData
489c9b5090e2 Initial load
duke
parents:
diff changeset
   655
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   656
// A JumpData is used to access profiling information for a direct
489c9b5090e2 Initial load
duke
parents:
diff changeset
   657
// branch.  It is a counter, used for counting the number of branches,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   658
// plus a data displacement, used for realigning the data pointer to
489c9b5090e2 Initial load
duke
parents:
diff changeset
   659
// the corresponding target bci.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   660
class JumpData : public ProfileData {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   661
protected:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   662
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   663
    taken_off_set,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   664
    displacement_off_set,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
    jump_cell_count
489c9b5090e2 Initial load
duke
parents:
diff changeset
   666
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
   667
489c9b5090e2 Initial load
duke
parents:
diff changeset
   668
  void set_displacement(int displacement) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   669
    set_int_at(displacement_off_set, displacement);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   670
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   671
489c9b5090e2 Initial load
duke
parents:
diff changeset
   672
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   673
  JumpData(DataLayout* layout) : ProfileData(layout) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   674
    assert(layout->tag() == DataLayout::jump_data_tag ||
489c9b5090e2 Initial load
duke
parents:
diff changeset
   675
      layout->tag() == DataLayout::branch_data_tag, "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   676
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   677
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   678
  virtual bool is_JumpData() const { return true; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   679
489c9b5090e2 Initial load
duke
parents:
diff changeset
   680
  static int static_cell_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   681
    return jump_cell_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   682
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   683
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   684
  virtual int cell_count() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   685
    return static_cell_count();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   686
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   687
489c9b5090e2 Initial load
duke
parents:
diff changeset
   688
  // Direct accessor
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   689
  uint taken() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   690
    return uint_at(taken_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   691
  }
10514
e229a19078cf 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 9446
diff changeset
   692
e229a19078cf 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 9446
diff changeset
   693
  void set_taken(uint cnt) {
e229a19078cf 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 9446
diff changeset
   694
    set_uint_at(taken_off_set, cnt);
e229a19078cf 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 9446
diff changeset
   695
  }
e229a19078cf 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 9446
diff changeset
   696
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   697
  // Saturating counter
489c9b5090e2 Initial load
duke
parents:
diff changeset
   698
  uint inc_taken() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   699
    uint cnt = taken() + 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   700
    // Did we wrap? Will compiler screw us??
489c9b5090e2 Initial load
duke
parents:
diff changeset
   701
    if (cnt == 0) cnt--;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   702
    set_uint_at(taken_off_set, cnt);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   703
    return cnt;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   704
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   705
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   706
  int displacement() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   707
    return int_at(displacement_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   708
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   709
489c9b5090e2 Initial load
duke
parents:
diff changeset
   710
  // Code generation support
489c9b5090e2 Initial load
duke
parents:
diff changeset
   711
  static ByteSize taken_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   712
    return cell_offset(taken_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   713
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   714
489c9b5090e2 Initial load
duke
parents:
diff changeset
   715
  static ByteSize displacement_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   716
    return cell_offset(displacement_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   717
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   718
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   719
#ifdef CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   720
  static void increment_taken_count_no_overflow(DataLayout* layout) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   721
    increment_uint_at_no_overflow(layout, taken_off_set);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   722
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   723
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   724
  static DataLayout* advance_taken(DataLayout* layout) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   725
    return (DataLayout*) (((address)layout) + (ssize_t)int_at(layout, displacement_off_set));
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   726
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   727
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   728
  static uint taken_count(DataLayout* layout) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   729
    return (uint) uint_at(layout, taken_off_set);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   730
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   731
#endif // CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
   732
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   733
  // Specific initialization.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
   734
  void post_initialize(BytecodeStream* stream, MethodData* mdo);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   735
489c9b5090e2 Initial load
duke
parents:
diff changeset
   736
#ifndef PRODUCT
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
   737
  void print_data_on(outputStream* st, const char* extra = NULL) const;
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   738
#endif
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   739
};
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   740
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   741
// Entries in a ProfileData object to record types: it can either be
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   742
// none (no profile), unknown (conflicting profile data) or a klass if
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   743
// a single one is seen. Whether a null reference was seen is also
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   744
// recorded. No counter is associated with the type and a single type
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   745
// is tracked (unlike VirtualCallData).
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   746
class TypeEntries {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   747
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   748
public:
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   749
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   750
  // A single cell is used to record information for a type:
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   751
  // - the cell is initialized to 0
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   752
  // - when a type is discovered it is stored in the cell
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   753
  // - bit zero of the cell is used to record whether a null reference
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   754
  // was encountered or not
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   755
  // - bit 1 is set to record a conflict in the type information
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   756
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   757
  enum {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   758
    null_seen = 1,
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   759
    type_mask = ~null_seen,
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   760
    type_unknown = 2,
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   761
    status_bits = null_seen | type_unknown,
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   762
    type_klass_mask = ~status_bits
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   763
  };
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   764
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   765
  // what to initialize a cell to
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   766
  static intptr_t type_none() {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   767
    return 0;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   768
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   769
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   770
  // null seen = bit 0 set?
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   771
  static bool was_null_seen(intptr_t v) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   772
    return (v & null_seen) != 0;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   773
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   774
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   775
  // conflicting type information = bit 1 set?
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   776
  static bool is_type_unknown(intptr_t v) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   777
    return (v & type_unknown) != 0;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   778
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   779
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   780
  // not type information yet = all bits cleared, ignoring bit 0?
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   781
  static bool is_type_none(intptr_t v) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   782
    return (v & type_mask) == 0;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   783
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   784
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   785
  // recorded type: cell without bit 0 and 1
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   786
  static intptr_t klass_part(intptr_t v) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   787
    intptr_t r = v & type_klass_mask;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   788
    return r;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   789
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   790
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   791
  // type recorded
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   792
  static Klass* valid_klass(intptr_t k) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   793
    if (!is_type_none(k) &&
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   794
        !is_type_unknown(k)) {
21581
73584c201e2d 8027572: assert(r != 0) failed: invalid
roland
parents: 21095
diff changeset
   795
      Klass* res = (Klass*)klass_part(k);
73584c201e2d 8027572: assert(r != 0) failed: invalid
roland
parents: 21095
diff changeset
   796
      assert(res != NULL, "invalid");
73584c201e2d 8027572: assert(r != 0) failed: invalid
roland
parents: 21095
diff changeset
   797
      return res;
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   798
    } else {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   799
      return NULL;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   800
    }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   801
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   802
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   803
  static intptr_t with_status(intptr_t k, intptr_t in) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   804
    return k | (in & status_bits);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   805
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   806
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   807
  static intptr_t with_status(Klass* k, intptr_t in) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   808
    return with_status((intptr_t)k, in);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   809
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   810
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   811
#ifndef PRODUCT
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   812
  static void print_klass(outputStream* st, intptr_t k);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   813
#endif
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   814
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   815
  // GC support
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   816
  static bool is_loader_alive(BoolObjectClosure* is_alive_cl, intptr_t p);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   817
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   818
protected:
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   819
  // ProfileData object these entries are part of
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   820
  ProfileData* _pd;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   821
  // offset within the ProfileData object where the entries start
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   822
  const int _base_off;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   823
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   824
  TypeEntries(int base_off)
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   825
    : _base_off(base_off), _pd(NULL) {}
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   826
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   827
  void set_intptr_at(int index, intptr_t value) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   828
    _pd->set_intptr_at(index, value);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   829
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   830
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   831
  intptr_t intptr_at(int index) const {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   832
    return _pd->intptr_at(index);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   833
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   834
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   835
public:
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   836
  void set_profile_data(ProfileData* pd) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   837
    _pd = pd;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   838
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   839
};
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   840
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   841
// Type entries used for arguments passed at a call and parameters on
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   842
// method entry. 2 cells per entry: one for the type encoded as in
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   843
// TypeEntries and one initialized with the stack slot where the
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   844
// profiled object is to be found so that the interpreter can locate
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   845
// it quickly.
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   846
class TypeStackSlotEntries : public TypeEntries {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   847
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   848
private:
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   849
  enum {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   850
    stack_slot_entry,
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   851
    type_entry,
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   852
    per_arg_cell_count
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   853
  };
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   854
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   855
  // offset of cell for stack slot for entry i within ProfileData object
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   856
  int stack_slot_offset(int i) const {
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   857
    return _base_off + stack_slot_local_offset(i);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   858
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   859
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   860
protected:
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   861
  const int _number_of_entries;
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   862
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   863
  // offset of cell for type for entry i within ProfileData object
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   864
  int type_offset(int i) const {
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   865
    return _base_off + type_local_offset(i);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   866
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   867
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   868
public:
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   869
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   870
  TypeStackSlotEntries(int base_off, int nb_entries)
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   871
    : TypeEntries(base_off), _number_of_entries(nb_entries) {}
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   872
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
   873
  static int compute_cell_count(Symbol* signature, bool include_receiver, int max);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   874
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
   875
  void post_initialize(Symbol* signature, bool has_receiver, bool include_receiver);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   876
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   877
  // offset of cell for stack slot for entry i within this block of cells for a TypeStackSlotEntries
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   878
  static int stack_slot_local_offset(int i) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   879
    return i * per_arg_cell_count + stack_slot_entry;
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   880
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   881
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   882
  // offset of cell for type for entry i within this block of cells for a TypeStackSlotEntries
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   883
  static int type_local_offset(int i) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   884
    return i * per_arg_cell_count + type_entry;
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   885
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   886
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   887
  // stack slot for entry i
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   888
  uint stack_slot(int i) const {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   889
    assert(i >= 0 && i < _number_of_entries, "oob");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   890
    return _pd->uint_at(stack_slot_offset(i));
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   891
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   892
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   893
  // set stack slot for entry i
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   894
  void set_stack_slot(int i, uint num) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   895
    assert(i >= 0 && i < _number_of_entries, "oob");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   896
    _pd->set_uint_at(stack_slot_offset(i), num);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   897
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   898
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   899
  // type for entry i
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   900
  intptr_t type(int i) const {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   901
    assert(i >= 0 && i < _number_of_entries, "oob");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   902
    return _pd->intptr_at(type_offset(i));
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   903
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   904
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   905
  // set type for entry i
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   906
  void set_type(int i, intptr_t k) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   907
    assert(i >= 0 && i < _number_of_entries, "oob");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   908
    _pd->set_intptr_at(type_offset(i), k);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   909
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   910
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   911
  static ByteSize per_arg_size() {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   912
    return in_ByteSize(per_arg_cell_count * DataLayout::cell_size);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   913
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   914
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   915
  static int per_arg_count() {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   916
    return per_arg_cell_count ;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   917
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   918
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   919
  // GC support
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   920
  void clean_weak_klass_links(BoolObjectClosure* is_alive_closure);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   921
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   922
#ifndef PRODUCT
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   923
  void print_data_on(outputStream* st) const;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   924
#endif
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   925
};
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   926
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   927
// Type entry used for return from a call. A single cell to record the
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   928
// type.
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   929
class ReturnTypeEntry : public TypeEntries {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   930
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   931
private:
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   932
  enum {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   933
    cell_count = 1
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   934
  };
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   935
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   936
public:
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   937
  ReturnTypeEntry(int base_off)
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   938
    : TypeEntries(base_off) {}
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   939
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   940
  void post_initialize() {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   941
    set_type(type_none());
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   942
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   943
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   944
  intptr_t type() const {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   945
    return _pd->intptr_at(_base_off);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   946
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   947
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   948
  void set_type(intptr_t k) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   949
    _pd->set_intptr_at(_base_off, k);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   950
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   951
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   952
  static int static_cell_count() {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   953
    return cell_count;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   954
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   955
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   956
  static ByteSize size() {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   957
    return in_ByteSize(cell_count * DataLayout::cell_size);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   958
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   959
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   960
  ByteSize type_offset() {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   961
    return DataLayout::cell_offset(_base_off);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   962
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   963
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   964
  // GC support
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   965
  void clean_weak_klass_links(BoolObjectClosure* is_alive_closure);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   966
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   967
#ifndef PRODUCT
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   968
  void print_data_on(outputStream* st) const;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   969
#endif
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   970
};
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
   971
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   972
// Entries to collect type information at a call: contains arguments
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   973
// (TypeStackSlotEntries), a return type (ReturnTypeEntry) and a
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   974
// number of cells. Because the number of cells for the return type is
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   975
// smaller than the number of cells for the type of an arguments, the
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   976
// number of cells is used to tell how many arguments are profiled and
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   977
// whether a return value is profiled. See has_arguments() and
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   978
// has_return().
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   979
class TypeEntriesAtCall {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   980
private:
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   981
  static int stack_slot_local_offset(int i) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   982
    return header_cell_count() + TypeStackSlotEntries::stack_slot_local_offset(i);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   983
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   984
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   985
  static int argument_type_local_offset(int i) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   986
    return header_cell_count() + TypeStackSlotEntries::type_local_offset(i);;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   987
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   988
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   989
public:
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   990
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   991
  static int header_cell_count() {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   992
    return 1;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   993
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   994
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   995
  static int cell_count_local_offset() {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   996
    return 0;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   997
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   998
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
   999
  static int compute_cell_count(BytecodeStream* stream);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1000
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1001
  static void initialize(DataLayout* dl, int base, int cell_count) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1002
    int off = base + cell_count_local_offset();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1003
    dl->set_cell_at(off, cell_count - base - header_cell_count());
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1004
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1005
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1006
  static bool arguments_profiling_enabled();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1007
  static bool return_profiling_enabled();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1008
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1009
  // Code generation support
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1010
  static ByteSize cell_count_offset() {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1011
    return in_ByteSize(cell_count_local_offset() * DataLayout::cell_size);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1012
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1013
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1014
  static ByteSize args_data_offset() {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1015
    return in_ByteSize(header_cell_count() * DataLayout::cell_size);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1016
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1017
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1018
  static ByteSize stack_slot_offset(int i) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1019
    return in_ByteSize(stack_slot_local_offset(i) * DataLayout::cell_size);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1020
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1021
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1022
  static ByteSize argument_type_offset(int i) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1023
    return in_ByteSize(argument_type_local_offset(i) * DataLayout::cell_size);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1024
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1025
};
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1026
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1027
// CallTypeData
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1028
//
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1029
// A CallTypeData is used to access profiling information about a non
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1030
// virtual call for which we collect type information about arguments
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1031
// and return value.
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1032
class CallTypeData : public CounterData {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1033
private:
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1034
  // entries for arguments if any
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1035
  TypeStackSlotEntries _args;
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1036
  // entry for return type if any
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1037
  ReturnTypeEntry _ret;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1038
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1039
  int cell_count_global_offset() const {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1040
    return CounterData::static_cell_count() + TypeEntriesAtCall::cell_count_local_offset();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1041
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1042
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1043
  // number of cells not counting the header
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1044
  int cell_count_no_header() const {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1045
    return uint_at(cell_count_global_offset());
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1046
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1047
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1048
  void check_number_of_arguments(int total) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1049
    assert(number_of_arguments() == total, "should be set in DataLayout::initialize");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1050
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1051
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1052
public:
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1053
  CallTypeData(DataLayout* layout) :
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1054
    CounterData(layout),
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1055
    _args(CounterData::static_cell_count()+TypeEntriesAtCall::header_cell_count(), number_of_arguments()),
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1056
    _ret(cell_count() - ReturnTypeEntry::static_cell_count())
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1057
  {
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1058
    assert(layout->tag() == DataLayout::call_type_data_tag, "wrong type");
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1059
    // Some compilers (VC++) don't want this passed in member initialization list
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1060
    _args.set_profile_data(this);
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1061
    _ret.set_profile_data(this);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1062
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1063
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1064
  const TypeStackSlotEntries* args() const {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1065
    assert(has_arguments(), "no profiling of arguments");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1066
    return &_args;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1067
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1068
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1069
  const ReturnTypeEntry* ret() const {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1070
    assert(has_return(), "no profiling of return value");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1071
    return &_ret;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1072
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1073
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1074
  virtual bool is_CallTypeData() const { return true; }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1075
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1076
  static int static_cell_count() {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1077
    return -1;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1078
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1079
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1080
  static int compute_cell_count(BytecodeStream* stream) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1081
    return CounterData::static_cell_count() + TypeEntriesAtCall::compute_cell_count(stream);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1082
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1083
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1084
  static void initialize(DataLayout* dl, int cell_count) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1085
    TypeEntriesAtCall::initialize(dl, CounterData::static_cell_count(), cell_count);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1086
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1087
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1088
  virtual void post_initialize(BytecodeStream* stream, MethodData* mdo);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1089
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1090
  virtual int cell_count() const {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1091
    return CounterData::static_cell_count() +
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1092
      TypeEntriesAtCall::header_cell_count() +
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1093
      int_at_unchecked(cell_count_global_offset());
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1094
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1095
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1096
  int number_of_arguments() const {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1097
    return cell_count_no_header() / TypeStackSlotEntries::per_arg_count();
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1098
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1099
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1100
  void set_argument_type(int i, Klass* k) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1101
    assert(has_arguments(), "no arguments!");
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1102
    intptr_t current = _args.type(i);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1103
    _args.set_type(i, TypeEntries::with_status(k, current));
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1104
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1105
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1106
  void set_return_type(Klass* k) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1107
    assert(has_return(), "no return!");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1108
    intptr_t current = _ret.type();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1109
    _ret.set_type(TypeEntries::with_status(k, current));
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1110
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1111
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1112
  // An entry for a return value takes less space than an entry for an
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1113
  // argument so if the number of cells exceeds the number of cells
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1114
  // needed for an argument, this object contains type information for
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1115
  // at least one argument.
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1116
  bool has_arguments() const {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1117
    bool res = cell_count_no_header() >= TypeStackSlotEntries::per_arg_count();
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1118
    assert (!res || TypeEntriesAtCall::arguments_profiling_enabled(), "no profiling of arguments");
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1119
    return res;
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1120
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1121
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1122
  // An entry for a return value takes less space than an entry for an
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1123
  // argument, so if the remainder of the number of cells divided by
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1124
  // the number of cells for an argument is not null, a return value
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1125
  // is profiled in this object.
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1126
  bool has_return() const {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1127
    bool res = (cell_count_no_header() % TypeStackSlotEntries::per_arg_count()) != 0;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1128
    assert (!res || TypeEntriesAtCall::return_profiling_enabled(), "no profiling of return values");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1129
    return res;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1130
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1131
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1132
  // Code generation support
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1133
  static ByteSize args_data_offset() {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1134
    return cell_offset(CounterData::static_cell_count()) + TypeEntriesAtCall::args_data_offset();
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1135
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1136
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1137
  // GC support
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1138
  virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1139
    if (has_arguments()) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1140
      _args.clean_weak_klass_links(is_alive_closure);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1141
    }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1142
    if (has_return()) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1143
      _ret.clean_weak_klass_links(is_alive_closure);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1144
    }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1145
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1146
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1147
#ifndef PRODUCT
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1148
  virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1149
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1150
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1151
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1152
// ReceiverTypeData
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1153
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1154
// A ReceiverTypeData is used to access profiling information about a
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1155
// dynamic type check.  It consists of a counter which counts the total times
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  1156
// that the check is reached, and a series of (Klass*, count) pairs
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1157
// which are used to store a type profile for the receiver of the check.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1158
class ReceiverTypeData : public CounterData {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1159
protected:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1160
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1161
    receiver0_offset = counter_cell_count,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1162
    count0_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1163
    receiver_type_row_cell_count = (count0_offset + 1) - receiver0_offset
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1164
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1165
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1166
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1167
  ReceiverTypeData(DataLayout* layout) : CounterData(layout) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1168
    assert(layout->tag() == DataLayout::receiver_type_data_tag ||
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1169
           layout->tag() == DataLayout::virtual_call_data_tag ||
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1170
           layout->tag() == DataLayout::virtual_call_type_data_tag, "wrong type");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1171
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1172
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1173
  virtual bool is_ReceiverTypeData() const { return true; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1174
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1175
  static int static_cell_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1176
    return counter_cell_count + (uint) TypeProfileWidth * receiver_type_row_cell_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1177
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1178
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1179
  virtual int cell_count() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1180
    return static_cell_count();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1181
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1182
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1183
  // Direct accessors
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1184
  static uint row_limit() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1185
    return TypeProfileWidth;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1186
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1187
  static int receiver_cell_index(uint row) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1188
    return receiver0_offset + row * receiver_type_row_cell_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1189
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1190
  static int receiver_count_cell_index(uint row) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1191
    return count0_offset + row * receiver_type_row_cell_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1192
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1193
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1194
  Klass* receiver(uint row) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1195
    assert(row < row_limit(), "oob");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1196
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  1197
    Klass* recv = (Klass*)intptr_at(receiver_cell_index(row));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  1198
    assert(recv == NULL || recv->is_klass(), "wrong type");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1199
    return recv;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1200
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1201
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  1202
  void set_receiver(uint row, Klass* k) {
3696
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1203
    assert((uint)row < row_limit(), "oob");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  1204
    set_intptr_at(receiver_cell_index(row), (uintptr_t)k);
3696
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1205
  }
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1206
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1207
  uint receiver_count(uint row) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1208
    assert(row < row_limit(), "oob");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1209
    return uint_at(receiver_count_cell_index(row));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1210
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1211
3696
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1212
  void set_receiver_count(uint row, uint count) {
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1213
    assert(row < row_limit(), "oob");
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1214
    set_uint_at(receiver_count_cell_index(row), count);
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1215
  }
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1216
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1217
  void clear_row(uint row) {
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1218
    assert(row < row_limit(), "oob");
4892
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1219
    // Clear total count - indicator of polymorphic call site.
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1220
    // The site may look like as monomorphic after that but
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1221
    // it allow to have more accurate profiling information because
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1222
    // there was execution phase change since klasses were unloaded.
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1223
    // If the site is still polymorphic then MDO will be updated
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1224
    // to reflect it. But it could be the case that the site becomes
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1225
    // only bimorphic. Then keeping total count not 0 will be wrong.
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1226
    // Even if we use monomorphic (when it is not) for compilation
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1227
    // we will only have trap, deoptimization and recompile again
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1228
    // with updated MDO after executing method in Interpreter.
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1229
    // An additional receiver will be recorded in the cleaned row
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1230
    // during next call execution.
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1231
    //
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1232
    // Note: our profiling logic works with empty rows in any slot.
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1233
    // We do sorting a profiling info (ciCallProfile) for compilation.
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1234
    //
e977b527544a 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 4754
diff changeset
  1235
    set_count(0);
3696
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1236
    set_receiver(row, NULL);
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1237
    set_receiver_count(row, 0);
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1238
  }
9e5d9b5e1049 4957990: Perm heap bloat in JVM
ysr
parents: 670
diff changeset
  1239
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1240
  // Code generation support
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1241
  static ByteSize receiver_offset(uint row) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1242
    return cell_offset(receiver_cell_index(row));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1243
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1244
  static ByteSize receiver_count_offset(uint row) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1245
    return cell_offset(receiver_count_cell_index(row));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1246
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1247
  static ByteSize receiver_type_data_size() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1248
    return cell_offset(static_cell_count());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1249
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1250
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1251
  // GC support
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  1252
  virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1253
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1254
#ifdef CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1255
  static int receiver_type_data_size_in_bytes() {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1256
    return cell_offset_in_bytes(static_cell_count());
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1257
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1258
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1259
  static Klass *receiver_unchecked(DataLayout* layout, uint row) {
22849
b8670e920530 8028514: PPC64: Fix C++ Interpreter after '7195622: CheckUnhandledOops has limited usefulness now'
simonis
parents: 22838
diff changeset
  1260
    Klass* recv = (Klass*)layout->cell_at(receiver_cell_index(row));
b8670e920530 8028514: PPC64: Fix C++ Interpreter after '7195622: CheckUnhandledOops has limited usefulness now'
simonis
parents: 22838
diff changeset
  1261
    return recv;
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1262
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1263
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1264
  static void increment_receiver_count_no_overflow(DataLayout* layout, Klass *rcvr) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1265
    const int num_rows = row_limit();
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1266
    // Receiver already exists?
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1267
    for (int row = 0; row < num_rows; row++) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1268
      if (receiver_unchecked(layout, row) == rcvr) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1269
        increment_uint_at_no_overflow(layout, receiver_count_cell_index(row));
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1270
        return;
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1271
      }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1272
    }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1273
    // New receiver, find a free slot.
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1274
    for (int row = 0; row < num_rows; row++) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1275
      if (receiver_unchecked(layout, row) == NULL) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1276
        set_intptr_at(layout, receiver_cell_index(row), (intptr_t)rcvr);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1277
        increment_uint_at_no_overflow(layout, receiver_count_cell_index(row));
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1278
        return;
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1279
      }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1280
    }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1281
    // Receiver did not match any saved receiver and there is no empty row for it.
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1282
    // Increment total counter to indicate polymorphic case.
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1283
    increment_count_no_overflow(layout);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1284
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1285
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1286
  static DataLayout* advance(DataLayout* layout) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1287
    return (DataLayout*) (((address)layout) + (ssize_t)ReceiverTypeData::receiver_type_data_size_in_bytes());
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1288
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1289
#endif // CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1290
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1291
#ifndef PRODUCT
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1292
  void print_receiver_data_on(outputStream* st) const;
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1293
  void print_data_on(outputStream* st, const char* extra = NULL) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1294
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1295
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1296
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1297
// VirtualCallData
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1298
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1299
// A VirtualCallData is used to access profiling information about a
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
// virtual call.  For now, it has nothing more than a ReceiverTypeData.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1301
class VirtualCallData : public ReceiverTypeData {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1302
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1303
  VirtualCallData(DataLayout* layout) : ReceiverTypeData(layout) {
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1304
    assert(layout->tag() == DataLayout::virtual_call_data_tag ||
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1305
           layout->tag() == DataLayout::virtual_call_type_data_tag, "wrong type");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1306
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1307
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1308
  virtual bool is_VirtualCallData() const { return true; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1309
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1310
  static int static_cell_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1311
    // At this point we could add more profile state, e.g., for arguments.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1312
    // But for now it's the same size as the base record type.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1313
    return ReceiverTypeData::static_cell_count();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1314
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1315
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1316
  virtual int cell_count() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1317
    return static_cell_count();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1318
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1319
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1320
  // Direct accessors
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1321
  static ByteSize virtual_call_data_size() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1322
    return cell_offset(static_cell_count());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1323
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1324
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1325
#ifdef CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1326
  static int virtual_call_data_size_in_bytes() {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1327
    return cell_offset_in_bytes(static_cell_count());
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1328
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1329
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1330
  static DataLayout* advance(DataLayout* layout) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1331
    return (DataLayout*) (((address)layout) + (ssize_t)VirtualCallData::virtual_call_data_size_in_bytes());
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1332
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1333
#endif // CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1334
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1335
#ifndef PRODUCT
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1336
  void print_data_on(outputStream* st, const char* extra = NULL) const;
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1337
#endif
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1338
};
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1339
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1340
// VirtualCallTypeData
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1341
//
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1342
// A VirtualCallTypeData is used to access profiling information about
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1343
// a virtual call for which we collect type information about
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1344
// arguments and return value.
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1345
class VirtualCallTypeData : public VirtualCallData {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1346
private:
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1347
  // entries for arguments if any
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1348
  TypeStackSlotEntries _args;
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1349
  // entry for return type if any
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1350
  ReturnTypeEntry _ret;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1351
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1352
  int cell_count_global_offset() const {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1353
    return VirtualCallData::static_cell_count() + TypeEntriesAtCall::cell_count_local_offset();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1354
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1355
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1356
  // number of cells not counting the header
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1357
  int cell_count_no_header() const {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1358
    return uint_at(cell_count_global_offset());
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1359
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1360
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1361
  void check_number_of_arguments(int total) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1362
    assert(number_of_arguments() == total, "should be set in DataLayout::initialize");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1363
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1364
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1365
public:
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1366
  VirtualCallTypeData(DataLayout* layout) :
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1367
    VirtualCallData(layout),
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1368
    _args(VirtualCallData::static_cell_count()+TypeEntriesAtCall::header_cell_count(), number_of_arguments()),
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1369
    _ret(cell_count() - ReturnTypeEntry::static_cell_count())
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1370
  {
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1371
    assert(layout->tag() == DataLayout::virtual_call_type_data_tag, "wrong type");
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1372
    // Some compilers (VC++) don't want this passed in member initialization list
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1373
    _args.set_profile_data(this);
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1374
    _ret.set_profile_data(this);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1375
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1376
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1377
  const TypeStackSlotEntries* args() const {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1378
    assert(has_arguments(), "no profiling of arguments");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1379
    return &_args;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1380
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1381
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1382
  const ReturnTypeEntry* ret() const {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1383
    assert(has_return(), "no profiling of return value");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1384
    return &_ret;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1385
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1386
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1387
  virtual bool is_VirtualCallTypeData() const { return true; }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1388
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1389
  static int static_cell_count() {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1390
    return -1;
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1391
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1392
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1393
  static int compute_cell_count(BytecodeStream* stream) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1394
    return VirtualCallData::static_cell_count() + TypeEntriesAtCall::compute_cell_count(stream);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1395
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1396
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1397
  static void initialize(DataLayout* dl, int cell_count) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1398
    TypeEntriesAtCall::initialize(dl, VirtualCallData::static_cell_count(), cell_count);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1399
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1400
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1401
  virtual void post_initialize(BytecodeStream* stream, MethodData* mdo);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1402
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1403
  virtual int cell_count() const {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1404
    return VirtualCallData::static_cell_count() +
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1405
      TypeEntriesAtCall::header_cell_count() +
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1406
      int_at_unchecked(cell_count_global_offset());
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1407
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1408
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1409
  int number_of_arguments() const {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1410
    return cell_count_no_header() / TypeStackSlotEntries::per_arg_count();
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1411
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1412
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1413
  void set_argument_type(int i, Klass* k) {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1414
    assert(has_arguments(), "no arguments!");
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1415
    intptr_t current = _args.type(i);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1416
    _args.set_type(i, TypeEntries::with_status(k, current));
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1417
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1418
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1419
  void set_return_type(Klass* k) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1420
    assert(has_return(), "no return!");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1421
    intptr_t current = _ret.type();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1422
    _ret.set_type(TypeEntries::with_status(k, current));
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1423
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1424
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1425
  // An entry for a return value takes less space than an entry for an
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1426
  // argument, so if the remainder of the number of cells divided by
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1427
  // the number of cells for an argument is not null, a return value
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1428
  // is profiled in this object.
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1429
  bool has_return() const {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1430
    bool res = (cell_count_no_header() % TypeStackSlotEntries::per_arg_count()) != 0;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1431
    assert (!res || TypeEntriesAtCall::return_profiling_enabled(), "no profiling of return values");
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1432
    return res;
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1433
  }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1434
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1435
  // An entry for a return value takes less space than an entry for an
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1436
  // argument so if the number of cells exceeds the number of cells
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1437
  // needed for an argument, this object contains type information for
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1438
  // at least one argument.
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1439
  bool has_arguments() const {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1440
    bool res = cell_count_no_header() >= TypeStackSlotEntries::per_arg_count();
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1441
    assert (!res || TypeEntriesAtCall::arguments_profiling_enabled(), "no profiling of arguments");
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1442
    return res;
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1443
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1444
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1445
  // Code generation support
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1446
  static ByteSize args_data_offset() {
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1447
    return cell_offset(VirtualCallData::static_cell_count()) + TypeEntriesAtCall::args_data_offset();
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1448
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1449
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1450
  // GC support
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1451
  virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1452
    ReceiverTypeData::clean_weak_klass_links(is_alive_closure);
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1453
    if (has_arguments()) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1454
      _args.clean_weak_klass_links(is_alive_closure);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1455
    }
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1456
    if (has_return()) {
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1457
      _ret.clean_weak_klass_links(is_alive_closure);
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  1458
    }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1459
  }
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1460
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1461
#ifndef PRODUCT
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1462
  virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1463
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1464
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1465
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1466
// RetData
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1467
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1468
// A RetData is used to access profiling information for a ret bytecode.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1469
// It is composed of a count of the number of times that the ret has
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1470
// been executed, followed by a series of triples of the form
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1471
// (bci, count, di) which count the number of times that some bci was the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1472
// target of the ret and cache a corresponding data displacement.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1473
class RetData : public CounterData {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1474
protected:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1475
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1476
    bci0_offset = counter_cell_count,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1477
    count0_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1478
    displacement0_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1479
    ret_row_cell_count = (displacement0_offset + 1) - bci0_offset
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1480
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1481
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1482
  void set_bci(uint row, int bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1483
    assert((uint)row < row_limit(), "oob");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1484
    set_int_at(bci0_offset + row * ret_row_cell_count, bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1485
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1486
  void release_set_bci(uint row, int bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1487
    assert((uint)row < row_limit(), "oob");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1488
    // 'release' when setting the bci acts as a valid flag for other
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1489
    // threads wrt bci_count and bci_displacement.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1490
    release_set_int_at(bci0_offset + row * ret_row_cell_count, bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1491
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1492
  void set_bci_count(uint row, uint count) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1493
    assert((uint)row < row_limit(), "oob");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1494
    set_uint_at(count0_offset + row * ret_row_cell_count, count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1495
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1496
  void set_bci_displacement(uint row, int disp) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1497
    set_int_at(displacement0_offset + row * ret_row_cell_count, disp);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1498
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1499
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1500
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1501
  RetData(DataLayout* layout) : CounterData(layout) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1502
    assert(layout->tag() == DataLayout::ret_data_tag, "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1503
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1504
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1505
  virtual bool is_RetData() const { return true; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1506
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1507
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1508
    no_bci = -1 // value of bci when bci1/2 are not in use.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1509
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1510
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1511
  static int static_cell_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1512
    return counter_cell_count + (uint) BciProfileWidth * ret_row_cell_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1513
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1514
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1515
  virtual int cell_count() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1516
    return static_cell_count();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1517
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1518
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1519
  static uint row_limit() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1520
    return BciProfileWidth;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1521
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1522
  static int bci_cell_index(uint row) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1523
    return bci0_offset + row * ret_row_cell_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1524
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1525
  static int bci_count_cell_index(uint row) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1526
    return count0_offset + row * ret_row_cell_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1527
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1528
  static int bci_displacement_cell_index(uint row) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1529
    return displacement0_offset + row * ret_row_cell_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1530
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1531
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1532
  // Direct accessors
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1533
  int bci(uint row) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1534
    return int_at(bci_cell_index(row));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1535
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1536
  uint bci_count(uint row) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1537
    return uint_at(bci_count_cell_index(row));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1538
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1539
  int bci_displacement(uint row) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1540
    return int_at(bci_displacement_cell_index(row));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1541
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1542
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1543
  // Interpreter Runtime support
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  1544
  address fixup_ret(int return_bci, MethodData* mdo);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1545
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1546
  // Code generation support
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1547
  static ByteSize bci_offset(uint row) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1548
    return cell_offset(bci_cell_index(row));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1549
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1550
  static ByteSize bci_count_offset(uint row) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1551
    return cell_offset(bci_count_cell_index(row));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1552
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1553
  static ByteSize bci_displacement_offset(uint row) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1554
    return cell_offset(bci_displacement_cell_index(row));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1555
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1556
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1557
#ifdef CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1558
  static DataLayout* advance(MethodData *md, int bci);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1559
#endif // CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1560
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1561
  // Specific initialization.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  1562
  void post_initialize(BytecodeStream* stream, MethodData* mdo);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1563
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1564
#ifndef PRODUCT
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1565
  void print_data_on(outputStream* st, const char* extra = NULL) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1566
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1567
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1568
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1569
// BranchData
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1570
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1571
// A BranchData is used to access profiling data for a two-way branch.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1572
// It consists of taken and not_taken counts as well as a data displacement
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1573
// for the taken case.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1574
class BranchData : public JumpData {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1575
protected:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1576
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1577
    not_taken_off_set = jump_cell_count,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1578
    branch_cell_count
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1579
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1580
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1581
  void set_displacement(int displacement) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1582
    set_int_at(displacement_off_set, displacement);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1583
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1584
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1585
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1586
  BranchData(DataLayout* layout) : JumpData(layout) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1587
    assert(layout->tag() == DataLayout::branch_data_tag, "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1588
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1589
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1590
  virtual bool is_BranchData() const { return true; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1591
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1592
  static int static_cell_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1593
    return branch_cell_count;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1594
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1595
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1596
  virtual int cell_count() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1597
    return static_cell_count();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1598
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1599
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1600
  // Direct accessor
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1601
  uint not_taken() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1602
    return uint_at(not_taken_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1603
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1604
10514
e229a19078cf 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 9446
diff changeset
  1605
  void set_not_taken(uint cnt) {
e229a19078cf 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 9446
diff changeset
  1606
    set_uint_at(not_taken_off_set, cnt);
e229a19078cf 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 9446
diff changeset
  1607
  }
e229a19078cf 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 9446
diff changeset
  1608
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1609
  uint inc_not_taken() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1610
    uint cnt = not_taken() + 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1611
    // Did we wrap? Will compiler screw us??
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1612
    if (cnt == 0) cnt--;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1613
    set_uint_at(not_taken_off_set, cnt);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1614
    return cnt;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1615
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1616
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1617
  // Code generation support
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1618
  static ByteSize not_taken_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1619
    return cell_offset(not_taken_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1620
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1621
  static ByteSize branch_data_size() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1622
    return cell_offset(branch_cell_count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1623
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1624
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1625
#ifdef CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1626
  static int branch_data_size_in_bytes() {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1627
    return cell_offset_in_bytes(branch_cell_count);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1628
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1629
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1630
  static void increment_not_taken_count_no_overflow(DataLayout* layout) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1631
    increment_uint_at_no_overflow(layout, not_taken_off_set);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1632
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1633
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1634
  static DataLayout* advance_not_taken(DataLayout* layout) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1635
    return (DataLayout*) (((address)layout) + (ssize_t)BranchData::branch_data_size_in_bytes());
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1636
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1637
#endif // CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1638
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1639
  // Specific initialization.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  1640
  void post_initialize(BytecodeStream* stream, MethodData* mdo);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1641
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1642
#ifndef PRODUCT
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1643
  void print_data_on(outputStream* st, const char* extra = NULL) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1644
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1645
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1646
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1647
// ArrayData
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1648
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1649
// A ArrayData is a base class for accessing profiling data which does
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1650
// not have a statically known size.  It consists of an array length
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1651
// and an array start.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1652
class ArrayData : public ProfileData {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1653
protected:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1654
  friend class DataLayout;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1655
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1656
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1657
    array_len_off_set,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1658
    array_start_off_set
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1659
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1660
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1661
  uint array_uint_at(int index) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1662
    int aindex = index + array_start_off_set;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1663
    return uint_at(aindex);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1664
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1665
  int array_int_at(int index) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1666
    int aindex = index + array_start_off_set;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1667
    return int_at(aindex);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1668
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1669
  oop array_oop_at(int index) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1670
    int aindex = index + array_start_off_set;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1671
    return oop_at(aindex);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1672
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1673
  void array_set_int_at(int index, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1674
    int aindex = index + array_start_off_set;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1675
    set_int_at(aindex, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1676
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1677
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1678
#ifdef CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1679
  // Static low level accessors for DataLayout with ArrayData's semantics.
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1680
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1681
  static void increment_array_uint_at_no_overflow(DataLayout* layout, int index) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1682
    int aindex = index + array_start_off_set;
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1683
    increment_uint_at_no_overflow(layout, aindex);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1684
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1685
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1686
  static int array_int_at(DataLayout* layout, int index) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1687
    int aindex = index + array_start_off_set;
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1688
    return int_at(layout, aindex);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1689
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1690
#endif // CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1691
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1692
  // Code generation support for subclasses.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1693
  static ByteSize array_element_offset(int index) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1694
    return cell_offset(array_start_off_set + index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1695
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1696
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1697
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1698
  ArrayData(DataLayout* layout) : ProfileData(layout) {}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1699
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1700
  virtual bool is_ArrayData() const { return true; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1701
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1702
  static int static_cell_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1703
    return -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1704
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1705
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1706
  int array_len() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1707
    return int_at_unchecked(array_len_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1708
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1709
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1710
  virtual int cell_count() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1711
    return array_len() + 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1712
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1713
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1714
  // Code generation support
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1715
  static ByteSize array_len_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1716
    return cell_offset(array_len_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1717
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1718
  static ByteSize array_start_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1719
    return cell_offset(array_start_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1720
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1721
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1722
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1723
// MultiBranchData
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1724
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1725
// A MultiBranchData is used to access profiling information for
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1726
// a multi-way branch (*switch bytecodes).  It consists of a series
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1727
// of (count, displacement) pairs, which count the number of times each
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1728
// case was taken and specify the data displacment for each branch target.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1729
class MultiBranchData : public ArrayData {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1730
protected:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1731
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1732
    default_count_off_set,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1733
    default_disaplacement_off_set,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1734
    case_array_start
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1735
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1736
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1737
    relative_count_off_set,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1738
    relative_displacement_off_set,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1739
    per_case_cell_count
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1740
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1741
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1742
  void set_default_displacement(int displacement) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1743
    array_set_int_at(default_disaplacement_off_set, displacement);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1744
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1745
  void set_displacement_at(int index, int displacement) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1746
    array_set_int_at(case_array_start +
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1747
                     index * per_case_cell_count +
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1748
                     relative_displacement_off_set,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1749
                     displacement);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1750
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1751
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1752
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1753
  MultiBranchData(DataLayout* layout) : ArrayData(layout) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1754
    assert(layout->tag() == DataLayout::multi_branch_data_tag, "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1755
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1756
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1757
  virtual bool is_MultiBranchData() const { return true; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1758
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1759
  static int compute_cell_count(BytecodeStream* stream);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1760
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1761
  int number_of_cases() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1762
    int alen = array_len() - 2; // get rid of default case here.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1763
    assert(alen % per_case_cell_count == 0, "must be even");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1764
    return (alen / per_case_cell_count);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1765
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1766
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1767
  uint default_count() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1768
    return array_uint_at(default_count_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1769
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1770
  int default_displacement() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1771
    return array_int_at(default_disaplacement_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1772
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1773
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1774
  uint count_at(int index) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1775
    return array_uint_at(case_array_start +
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1776
                         index * per_case_cell_count +
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1777
                         relative_count_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1778
  }
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1779
  int displacement_at(int index) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1780
    return array_int_at(case_array_start +
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1781
                        index * per_case_cell_count +
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1782
                        relative_displacement_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1783
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1784
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1785
  // Code generation support
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1786
  static ByteSize default_count_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1787
    return array_element_offset(default_count_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1788
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1789
  static ByteSize default_displacement_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1790
    return array_element_offset(default_disaplacement_off_set);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1791
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1792
  static ByteSize case_count_offset(int index) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1793
    return case_array_offset() +
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1794
           (per_case_size() * index) +
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1795
           relative_count_offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1796
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1797
  static ByteSize case_array_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1798
    return array_element_offset(case_array_start);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1799
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1800
  static ByteSize per_case_size() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1801
    return in_ByteSize(per_case_cell_count) * cell_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1802
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1803
  static ByteSize relative_count_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1804
    return in_ByteSize(relative_count_off_set) * cell_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1805
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1806
  static ByteSize relative_displacement_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1807
    return in_ByteSize(relative_displacement_off_set) * cell_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1808
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1809
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1810
#ifdef CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1811
  static void increment_count_no_overflow(DataLayout* layout, int index) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1812
    if (index == -1) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1813
      increment_array_uint_at_no_overflow(layout, default_count_off_set);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1814
    } else {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1815
      increment_array_uint_at_no_overflow(layout, case_array_start +
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1816
                                                  index * per_case_cell_count +
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1817
                                                  relative_count_off_set);
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1818
    }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1819
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1820
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1821
  static DataLayout* advance(DataLayout* layout, int index) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1822
    if (index == -1) {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1823
      return (DataLayout*) (((address)layout) + (ssize_t)array_int_at(layout, default_disaplacement_off_set));
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1824
    } else {
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1825
      return (DataLayout*) (((address)layout) + (ssize_t)array_int_at(layout, case_array_start +
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1826
                                                                              index * per_case_cell_count +
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1827
                                                                              relative_displacement_off_set));
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1828
    }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1829
  }
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1830
#endif // CC_INTERP
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  1831
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1832
  // Specific initialization.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  1833
  void post_initialize(BytecodeStream* stream, MethodData* mdo);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1834
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1835
#ifndef PRODUCT
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1836
  void print_data_on(outputStream* st, const char* extra = NULL) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1837
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1838
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1839
218
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1840
class ArgInfoData : public ArrayData {
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1841
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1842
public:
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1843
  ArgInfoData(DataLayout* layout) : ArrayData(layout) {
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1844
    assert(layout->tag() == DataLayout::arg_info_data_tag, "wrong type");
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1845
  }
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1846
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1847
  virtual bool is_ArgInfoData() const { return true; }
218
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1848
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1849
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1850
  int number_of_args() const {
218
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1851
    return array_len();
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1852
  }
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1853
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  1854
  uint arg_modified(int arg) const {
218
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1855
    return array_uint_at(arg);
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1856
  }
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1857
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1858
  void set_arg_modified(int arg, uint val) {
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1859
    array_set_int_at(arg, val);
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1860
  }
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1861
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1862
#ifndef PRODUCT
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1863
  void print_data_on(outputStream* st, const char* extra = NULL) const;
218
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1864
#endif
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1865
};
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  1866
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1867
// ParametersTypeData
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1868
//
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1869
// A ParametersTypeData is used to access profiling information about
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1870
// types of parameters to a method
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1871
class ParametersTypeData : public ArrayData {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1872
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1873
private:
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1874
  TypeStackSlotEntries _parameters;
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1875
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1876
  static int stack_slot_local_offset(int i) {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1877
    assert_profiling_enabled();
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1878
    return array_start_off_set + TypeStackSlotEntries::stack_slot_local_offset(i);
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1879
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1880
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1881
  static int type_local_offset(int i) {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1882
    assert_profiling_enabled();
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1883
    return array_start_off_set + TypeStackSlotEntries::type_local_offset(i);
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1884
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1885
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1886
  static bool profiling_enabled();
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1887
  static void assert_profiling_enabled() {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1888
    assert(profiling_enabled(), "method parameters profiling should be on");
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1889
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1890
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1891
public:
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1892
  ParametersTypeData(DataLayout* layout) : ArrayData(layout), _parameters(1, number_of_parameters()) {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1893
    assert(layout->tag() == DataLayout::parameters_type_data_tag, "wrong type");
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1894
    // Some compilers (VC++) don't want this passed in member initialization list
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1895
    _parameters.set_profile_data(this);
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1896
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1897
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1898
  static int compute_cell_count(Method* m);
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1899
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1900
  virtual bool is_ParametersTypeData() const { return true; }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1901
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1902
  virtual void post_initialize(BytecodeStream* stream, MethodData* mdo);
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1903
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1904
  int number_of_parameters() const {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1905
    return array_len() / TypeStackSlotEntries::per_arg_count();
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1906
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1907
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1908
  const TypeStackSlotEntries* parameters() const { return &_parameters; }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1909
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1910
  uint stack_slot(int i) const {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1911
    return _parameters.stack_slot(i);
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1912
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1913
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1914
  void set_type(int i, Klass* k) {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1915
    intptr_t current = _parameters.type(i);
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1916
    _parameters.set_type(i, TypeEntries::with_status((intptr_t)k, current));
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1917
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1918
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1919
  virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1920
    _parameters.clean_weak_klass_links(is_alive_closure);
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1921
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1922
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1923
#ifndef PRODUCT
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1924
  virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1925
#endif
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1926
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1927
  static ByteSize stack_slot_offset(int i) {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1928
    return cell_offset(stack_slot_local_offset(i));
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1929
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1930
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1931
  static ByteSize type_offset(int i) {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1932
    return cell_offset(type_local_offset(i));
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1933
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1934
};
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  1935
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1936
// SpeculativeTrapData
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1937
//
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1938
// A SpeculativeTrapData is used to record traps due to type
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1939
// speculation. It records the root of the compilation: that type
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1940
// speculation is wrong in the context of one compilation (for
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1941
// method1) doesn't mean it's wrong in the context of another one (for
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1942
// method2). Type speculation could have more/different data in the
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1943
// context of the compilation of method2 and it's worthwhile to try an
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1944
// optimization that failed for compilation of method1 in the context
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1945
// of compilation of method2.
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1946
// Space for SpeculativeTrapData entries is allocated from the extra
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1947
// data space in the MDO. If we run out of space, the trap data for
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1948
// the ProfileData at that bci is updated.
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1949
class SpeculativeTrapData : public ProfileData {
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1950
protected:
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1951
  enum {
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1952
    method_offset,
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1953
    speculative_trap_cell_count
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1954
  };
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1955
public:
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1956
  SpeculativeTrapData(DataLayout* layout) : ProfileData(layout) {
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1957
    assert(layout->tag() == DataLayout::speculative_trap_data_tag, "wrong type");
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1958
  }
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1959
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1960
  virtual bool is_SpeculativeTrapData() const { return true; }
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1961
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1962
  static int static_cell_count() {
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1963
    return speculative_trap_cell_count;
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1964
  }
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1965
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1966
  virtual int cell_count() const {
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1967
    return static_cell_count();
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1968
  }
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1969
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1970
  // Direct accessor
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1971
  Method* method() const {
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1972
    return (Method*)intptr_at(method_offset);
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1973
  }
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1974
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1975
  void set_method(Method* m) {
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1976
    set_intptr_at(method_offset, (intptr_t)m);
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1977
  }
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1978
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1979
#ifndef PRODUCT
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1980
  virtual void print_data_on(outputStream* st, const char* extra = NULL) const;
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1981
#endif
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1982
};
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  1983
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  1984
// MethodData*
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1985
//
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  1986
// A MethodData* holds information which has been collected about
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1987
// a method.  Its layout looks like this:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1988
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1989
// -----------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1990
// | header                    |
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1991
// | klass                     |
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1992
// -----------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1993
// | method                    |
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  1994
// | size of the MethodData* |
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1995
// -----------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1996
// | Data entries...           |
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1997
// |   (variable size)         |
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1998
// |                           |
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1999
// .                           .
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2000
// .                           .
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2001
// .                           .
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2002
// |                           |
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2003
// -----------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2004
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2005
// The data entry area is a heterogeneous array of DataLayouts. Each
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2006
// DataLayout in the array corresponds to a specific bytecode in the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2007
// method.  The entries in the array are sorted by the corresponding
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2008
// bytecode.  Access to the data is via resource-allocated ProfileData,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2009
// which point to the underlying blocks of DataLayout structures.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2010
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2011
// During interpretation, if profiling in enabled, the interpreter
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2012
// maintains a method data pointer (mdp), which points at the entry
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2013
// in the array corresponding to the current bci.  In the course of
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2014
// intepretation, when a bytecode is encountered that has profile data
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2015
// associated with it, the entry pointed to by mdp is updated, then the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2016
// mdp is adjusted to point to the next appropriate DataLayout.  If mdp
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2017
// is NULL to begin with, the interpreter assumes that the current method
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2018
// is not (yet) being profiled.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2019
//
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2020
// In MethodData* parlance, "dp" is a "data pointer", the actual address
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2021
// of a DataLayout element.  A "di" is a "data index", the offset in bytes
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2022
// from the base of the data entry array.  A "displacement" is the byte offset
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2023
// in certain ProfileData objects that indicate the amount the mdp must be
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2024
// adjusted in the event of a change in control flow.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2025
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2026
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  2027
CC_INTERP_ONLY(class BytecodeInterpreter;)
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  2028
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2029
class MethodData : public Metadata {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2030
  friend class VMStructs;
22836
e7e511228518 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents: 17370
diff changeset
  2031
  CC_INTERP_ONLY(friend class BytecodeInterpreter;)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2032
private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2033
  friend class ProfileData;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2034
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2035
  // Back pointer to the Method*
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2036
  Method* _method;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2037
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2038
  // Size of this oop in bytes
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2039
  int _size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2040
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2041
  // Cached hint for bci_to_dp and bci_to_data
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2042
  int _hint_di;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2043
23201
6920163f479e 8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents: 22916
diff changeset
  2044
  Mutex _extra_data_lock;
6920163f479e 8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents: 22916
diff changeset
  2045
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2046
  MethodData(methodHandle method, int size, TRAPS);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2047
public:
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2048
  static MethodData* allocate(ClassLoaderData* loader_data, methodHandle method, TRAPS);
23201
6920163f479e 8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents: 22916
diff changeset
  2049
  MethodData() : _extra_data_lock(Monitor::leaf, "MDO extra data lock") {}; // For ciMethodData
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2050
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2051
  bool is_methodData() const volatile { return true; }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2052
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2053
  // Whole-method sticky bits and flags
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2054
  enum {
23525
e3eb08ead679 8031755: Type speculation should be used to optimize explicit null checks
roland
parents: 23491
diff changeset
  2055
    _trap_hist_limit    = 20,   // decoupled from Deoptimization::Reason_LIMIT
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2056
    _trap_hist_mask     = max_jubyte,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2057
    _extra_data_count   = 4     // extra DataLayout headers, for trap history
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2058
  }; // Public flag values
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2059
private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2060
  uint _nof_decompiles;             // count of all nmethod removals
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2061
  uint _nof_overflow_recompiles;    // recompile count, excluding recomp. bits
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2062
  uint _nof_overflow_traps;         // trap count, excluding _trap_hist
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2063
  union {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2064
    intptr_t _align;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2065
    u1 _array[_trap_hist_limit];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2066
  } _trap_hist;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2067
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2068
  // Support for interprocedural escape analysis, from Thomas Kotzmann.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2069
  intx              _eflags;          // flags on escape information
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2070
  intx              _arg_local;       // bit set of non-escaping arguments
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2071
  intx              _arg_stack;       // bit set of stack-allocatable arguments
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2072
  intx              _arg_returned;    // bit set of returned arguments
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2073
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2074
  int _creation_mileage;              // method mileage at MDO creation
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2075
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2076
  // How many invocations has this MDO seen?
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2077
  // These counters are used to determine the exact age of MDO.
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2078
  // We need those because in tiered a method can be concurrently
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2079
  // executed at different levels.
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2080
  InvocationCounter _invocation_counter;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2081
  // Same for backedges.
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2082
  InvocationCounter _backedge_counter;
8322
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2083
  // Counter values at the time profiling started.
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2084
  int               _invocation_counter_start;
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2085
  int               _backedge_counter_start;
23491
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2086
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2087
#if INCLUDE_RTM_OPT
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2088
  // State of RTM code generation during compilation of the method
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2089
  int               _rtm_state;
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2090
#endif
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2091
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2092
  // Number of loops and blocks is computed when compiling the first
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2093
  // time with C1. It is used to determine if method is trivial.
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2094
  short             _num_loops;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2095
  short             _num_blocks;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2096
  // Highest compile level this method has ever seen.
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2097
  u1                _highest_comp_level;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2098
  // Same for OSR level
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2099
  u1                _highest_osr_comp_level;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2100
  // Does this method contain anything worth profiling?
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2101
  bool              _would_profile;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2102
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2103
  // Size of _data array in bytes.  (Excludes header and extra_data fields.)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2104
  int _data_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2105
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2106
  // data index for the area dedicated to parameters. -1 if no
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2107
  // parameter profiling.
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2108
  int _parameters_type_data_di;
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2109
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2110
  // Beginning of the data entries
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2111
  intptr_t _data[1];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2112
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2113
  // Helper for size computation
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2114
  static int compute_data_size(BytecodeStream* stream);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2115
  static int bytecode_cell_count(Bytecodes::Code code);
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2116
  static bool is_speculative_trap_bytecode(Bytecodes::Code code);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2117
  enum { no_profile_data = -1, variable_cell_count = -2 };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2118
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2119
  // Helper for initialization
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2120
  DataLayout* data_layout_at(int data_index) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2121
    assert(data_index % sizeof(intptr_t) == 0, "unaligned");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2122
    return (DataLayout*) (((address)_data) + data_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2123
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2124
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2125
  // Initialize an individual data segment.  Returns the size of
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2126
  // the segment in bytes.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2127
  int initialize_data(BytecodeStream* stream, int data_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2128
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2129
  // Helper for data_at
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2130
  DataLayout* limit_data_position() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2131
    return (DataLayout*)((address)data_base() + _data_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2132
  }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2133
  bool out_of_bounds(int data_index) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2134
    return data_index >= data_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2135
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2136
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2137
  // Give each of the data entries a chance to perform specific
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2138
  // data initialization.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2139
  void post_initialize(BytecodeStream* stream);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2140
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2141
  // hint accessors
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2142
  int      hint_di() const  { return _hint_di; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2143
  void set_hint_di(int di)  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2144
    assert(!out_of_bounds(di), "hint_di out of bounds");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2145
    _hint_di = di;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2146
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2147
  ProfileData* data_before(int bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2148
    // avoid SEGV on this edge case
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2149
    if (data_size() == 0)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2150
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2151
    int hint = hint_di();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2152
    if (data_layout_at(hint)->bci() <= bci)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2153
      return data_at(hint);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2154
    return first_data();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2155
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2156
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2157
  // What is the index of the first data entry?
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2158
  int first_di() const { return 0; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2159
23201
6920163f479e 8035841: assert(dp_src->tag() == dp_dst->tag()) failed: should be same tags 1 != 0 at ciMethodData.cpp:90
roland
parents: 22916
diff changeset
  2160
  ProfileData* bci_to_extra_data_helper(int bci, Method* m, DataLayout*& dp, bool concurrent);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2161
  // Find or create an extra ProfileData:
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2162
  ProfileData* bci_to_extra_data(int bci, Method* m, bool create_if_missing);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2163
218
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  2164
  // return the argument info cell
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  2165
  ArgInfoData *arg_info();
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  2166
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2167
  enum {
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2168
    no_type_profile = 0,
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2169
    type_profile_jsr292 = 1,
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2170
    type_profile_all = 2
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2171
  };
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2172
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2173
  static bool profile_jsr292(methodHandle m, int bci);
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2174
  static int profile_arguments_flag();
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2175
  static bool profile_arguments_jsr292_only();
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2176
  static bool profile_all_arguments();
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2177
  static bool profile_arguments_for_invoke(methodHandle m, int bci);
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  2178
  static int profile_return_flag();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  2179
  static bool profile_all_return();
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  2180
  static bool profile_return_for_invoke(methodHandle m, int bci);
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2181
  static int profile_parameters_flag();
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2182
  static bool profile_parameters_jsr292_only();
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2183
  static bool profile_all_parameters();
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2184
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2185
  void clean_extra_data(BoolObjectClosure* is_alive);
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2186
  void clean_extra_data_helper(DataLayout* dp, int shift, bool reset = false);
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2187
  void verify_extra_data_clean(BoolObjectClosure* is_alive);
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2188
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2189
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2190
  static int header_size() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2191
    return sizeof(MethodData)/wordSize;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2192
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2193
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2194
  // Compute the size of a MethodData* before it is created.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2195
  static int compute_allocation_size_in_bytes(methodHandle method);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2196
  static int compute_allocation_size_in_words(methodHandle method);
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2197
  static int compute_extra_data_count(int data_size, int empty_bc_count, bool needs_speculative_traps);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2198
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2199
  // Determine if a given bytecode can have profile information.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2200
  static bool bytecode_has_profile(Bytecodes::Code code) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2201
    return bytecode_cell_count(code) != no_profile_data;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2202
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2203
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 15481
diff changeset
  2204
  // reset into original state
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 15481
diff changeset
  2205
  void init();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2206
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2207
  // My size
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2208
  int size_in_bytes() const { return _size; }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2209
  int size() const    { return align_object_size(align_size_up(_size, BytesPerWord)/BytesPerWord); }
15437
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 13728
diff changeset
  2210
#if INCLUDE_SERVICES
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 13728
diff changeset
  2211
  void collect_statistics(KlassSizeStats *sz) const;
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 13728
diff changeset
  2212
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2213
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2214
  int      creation_mileage() const  { return _creation_mileage; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2215
  void set_creation_mileage(int x)   { _creation_mileage = x; }
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2216
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2217
  int invocation_count() {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2218
    if (invocation_counter()->carry()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2219
      return InvocationCounter::count_limit;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2220
    }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2221
    return invocation_counter()->count();
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2222
  }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2223
  int backedge_count() {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2224
    if (backedge_counter()->carry()) {
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2225
      return InvocationCounter::count_limit;
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2226
    }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2227
    return backedge_counter()->count();
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2228
  }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2229
8322
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2230
  int invocation_count_start() {
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2231
    if (invocation_counter()->carry()) {
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2232
      return 0;
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2233
    }
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2234
    return _invocation_counter_start;
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2235
  }
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2236
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2237
  int backedge_count_start() {
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2238
    if (backedge_counter()->carry()) {
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2239
      return 0;
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2240
    }
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2241
    return _backedge_counter_start;
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2242
  }
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2243
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2244
  int invocation_count_delta() { return invocation_count() - invocation_count_start(); }
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2245
  int backedge_count_delta()   { return backedge_count()   - backedge_count_start();   }
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2246
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2247
  void reset_start_counters() {
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2248
    _invocation_counter_start = invocation_count();
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2249
    _backedge_counter_start = backedge_count();
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2250
  }
8f11ba61239f 7017434: Tiered needs to support reprofiling
iveresov
parents: 7397
diff changeset
  2251
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2252
  InvocationCounter* invocation_counter()     { return &_invocation_counter; }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2253
  InvocationCounter* backedge_counter()       { return &_backedge_counter;   }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2254
23491
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2255
#if INCLUDE_RTM_OPT
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2256
  int rtm_state() const {
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2257
    return _rtm_state;
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2258
  }
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2259
  void set_rtm_state(RTMState rstate) {
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2260
    _rtm_state = (int)rstate;
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2261
  }
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2262
  void atomic_set_rtm_state(RTMState rstate) {
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2263
    Atomic::store((int)rstate, &_rtm_state);
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2264
  }
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2265
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2266
  static int rtm_state_offset_in_bytes() {
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2267
    return offset_of(MethodData, _rtm_state);
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2268
  }
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2269
#endif
f690330b10b9 8031320: Use Intel RTM instructions for locks
kvn
parents: 23201
diff changeset
  2270
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2271
  void set_would_profile(bool p)              { _would_profile = p;    }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2272
  bool would_profile() const                  { return _would_profile; }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2273
17370
59a0620561fa 8003557: NPG: Klass* const k should be const Klass* k.
minqi
parents: 16689
diff changeset
  2274
  int highest_comp_level() const              { return _highest_comp_level;      }
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2275
  void set_highest_comp_level(int level)      { _highest_comp_level = level;     }
17370
59a0620561fa 8003557: NPG: Klass* const k should be const Klass* k.
minqi
parents: 16689
diff changeset
  2276
  int highest_osr_comp_level() const          { return _highest_osr_comp_level;  }
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2277
  void set_highest_osr_comp_level(int level)  { _highest_osr_comp_level = level; }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2278
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2279
  int num_loops() const                       { return _num_loops;  }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2280
  void set_num_loops(int n)                   { _num_loops = n;     }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2281
  int num_blocks() const                      { return _num_blocks; }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2282
  void set_num_blocks(int n)                  { _num_blocks = n;    }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2283
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2284
  bool is_mature() const;  // consult mileage and ProfileMaturityPercentage
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2285
  static int mileage_of(Method* m);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2286
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2287
  // Support for interprocedural escape analysis, from Thomas Kotzmann.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2288
  enum EscapeFlag {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2289
    estimated    = 1 << 0,
251
cb2e73f71205 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments
kvn
parents: 218
diff changeset
  2290
    return_local = 1 << 1,
cb2e73f71205 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments
kvn
parents: 218
diff changeset
  2291
    return_allocated = 1 << 2,
cb2e73f71205 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments
kvn
parents: 218
diff changeset
  2292
    allocated_escapes = 1 << 3,
cb2e73f71205 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments
kvn
parents: 218
diff changeset
  2293
    unknown_modified = 1 << 4
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2294
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2295
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2296
  intx eflags()                                  { return _eflags; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2297
  intx arg_local()                               { return _arg_local; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2298
  intx arg_stack()                               { return _arg_stack; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2299
  intx arg_returned()                            { return _arg_returned; }
218
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  2300
  uint arg_modified(int a)                       { ArgInfoData *aid = arg_info();
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 15481
diff changeset
  2301
                                                   assert(aid != NULL, "arg_info must be not null");
218
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  2302
                                                   assert(a >= 0 && a < aid->number_of_args(), "valid argument number");
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  2303
                                                   return aid->arg_modified(a); }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2304
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2305
  void set_eflags(intx v)                        { _eflags = v; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2306
  void set_arg_local(intx v)                     { _arg_local = v; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2307
  void set_arg_stack(intx v)                     { _arg_stack = v; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2308
  void set_arg_returned(intx v)                  { _arg_returned = v; }
218
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  2309
  void set_arg_modified(int a, uint v)           { ArgInfoData *aid = arg_info();
16689
efce070b8d42 8007288: Additional WB API for compiler's testing
iignatyev
parents: 15481
diff changeset
  2310
                                                   assert(aid != NULL, "arg_info must be not null");
218
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  2311
                                                   assert(a >= 0 && a < aid->number_of_args(), "valid argument number");
a0e996680b05 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 1
diff changeset
  2312
                                                   aid->set_arg_modified(a, v); }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2313
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2314
  void clear_escape_info()                       { _eflags = _arg_local = _arg_stack = _arg_returned = 0; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2315
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2316
  // Location and size of data area
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2317
  address data_base() const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2318
    return (address) _data;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2319
  }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2320
  int data_size() const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2321
    return _data_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2322
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2323
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2324
  // Accessors
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2325
  Method* method() const { return _method; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2326
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2327
  // Get the data at an arbitrary (sort of) data index.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2328
  ProfileData* data_at(int data_index) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2329
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2330
  // Walk through the data in order.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2331
  ProfileData* first_data() const { return data_at(first_di()); }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2332
  ProfileData* next_data(ProfileData* current) const;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2333
  bool is_valid(ProfileData* current) const { return current != NULL; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2334
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2335
  // Convert a dp (data pointer) to a di (data index).
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2336
  int dp_to_di(address dp) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2337
    return dp - ((address)_data);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2338
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2339
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2340
  address di_to_dp(int di) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2341
    return (address)data_layout_at(di);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2342
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2343
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2344
  // bci to di/dp conversion.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2345
  address bci_to_dp(int bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2346
  int bci_to_di(int bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2347
    return dp_to_di(bci_to_dp(bci));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2348
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2349
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2350
  // Get the data at an arbitrary bci, or NULL if there is none.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2351
  ProfileData* bci_to_data(int bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2352
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2353
  // Same, but try to create an extra_data record if one is needed:
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2354
  ProfileData* allocate_bci_to_data(int bci, Method* m) {
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2355
    ProfileData* data = NULL;
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2356
    // If m not NULL, try to allocate a SpeculativeTrapData entry
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2357
    if (m == NULL) {
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2358
      data = bci_to_data(bci);
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2359
    }
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2360
    if (data != NULL) {
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2361
      return data;
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2362
    }
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2363
    data = bci_to_extra_data(bci, m, true);
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2364
    if (data != NULL) {
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2365
      return data;
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2366
    }
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2367
    // If SpeculativeTrapData allocation fails try to allocate a
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2368
    // regular entry
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2369
    data = bci_to_data(bci);
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2370
    if (data != NULL) {
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2371
      return data;
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2372
    }
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2373
    return bci_to_extra_data(bci, NULL, true);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2374
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2375
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2376
  // Add a handful of extra data records, for trap tracking.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2377
  DataLayout* extra_data_base() const { return limit_data_position(); }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2378
  DataLayout* extra_data_limit() const { return (DataLayout*)((address)this + size_in_bytes()); }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2379
  int extra_data_size() const { return (address)extra_data_limit()
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2380
                               - (address)extra_data_base(); }
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2381
  static DataLayout* next_extra(DataLayout* dp);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2382
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2383
  // Return (uint)-1 for overflow.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2384
  uint trap_count(int reason) const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2385
    assert((uint)reason < _trap_hist_limit, "oob");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2386
    return (int)((_trap_hist._array[reason]+1) & _trap_hist_mask) - 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2387
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2388
  // For loops:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2389
  static uint trap_reason_limit() { return _trap_hist_limit; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2390
  static uint trap_count_limit()  { return _trap_hist_mask; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2391
  uint inc_trap_count(int reason) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2392
    // Count another trap, anywhere in this method.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2393
    assert(reason >= 0, "must be single trap");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2394
    if ((uint)reason < _trap_hist_limit) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2395
      uint cnt1 = 1 + _trap_hist._array[reason];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2396
      if ((cnt1 & _trap_hist_mask) != 0) {  // if no counter overflow...
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2397
        _trap_hist._array[reason] = cnt1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2398
        return cnt1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2399
      } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2400
        return _trap_hist_mask + (++_nof_overflow_traps);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2401
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2402
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2403
      // Could not represent the count in the histogram.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2404
      return (++_nof_overflow_traps);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2405
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2406
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2407
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2408
  uint overflow_trap_count() const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2409
    return _nof_overflow_traps;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2410
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2411
  uint overflow_recompile_count() const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2412
    return _nof_overflow_recompiles;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2413
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2414
  void inc_overflow_recompile_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2415
    _nof_overflow_recompiles += 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2416
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2417
  uint decompile_count() const {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2418
    return _nof_decompiles;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2419
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2420
  void inc_decompile_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2421
    _nof_decompiles += 1;
4754
8aef16f24e16 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 3795
diff changeset
  2422
    if (decompile_count() > (uint)PerMethodRecompilationCutoff) {
15479
e3c00ec80145 8006613: adding reason to made_not_compilable
vlivanov
parents: 13728
diff changeset
  2423
      method()->set_not_compilable(CompLevel_full_optimization, true, "decompile_count > PerMethodRecompilationCutoff");
4754
8aef16f24e16 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 3795
diff changeset
  2424
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2425
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2426
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2427
  // Return pointer to area dedicated to parameters in MDO
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2428
  ParametersTypeData* parameters_type_data() const {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2429
    return _parameters_type_data_di != -1 ? data_layout_at(_parameters_type_data_di)->data_in()->as_ParametersTypeData() : NULL;
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2430
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2431
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2432
  int parameters_type_data_di() const {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2433
    assert(_parameters_type_data_di != -1, "no args type data");
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2434
    return _parameters_type_data_di;
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2435
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2436
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2437
  // Support for code generation
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2438
  static ByteSize data_offset() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2439
    return byte_offset_of(MethodData, _data[0]);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2440
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2441
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2442
  static ByteSize invocation_counter_offset() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2443
    return byte_offset_of(MethodData, _invocation_counter);
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2444
  }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2445
  static ByteSize backedge_counter_offset() {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2446
    return byte_offset_of(MethodData, _backedge_counter);
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2447
  }
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5547
diff changeset
  2448
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2449
  static ByteSize parameters_type_data_di_offset() {
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2450
    return byte_offset_of(MethodData, _parameters_type_data_di);
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2451
  }
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2452
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2453
  // Deallocation support - no pointer fields to deallocate
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2454
  void deallocate_contents(ClassLoaderData* loader_data) {}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2455
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2456
  // GC support
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2457
  void set_size(int object_size_in_bytes) { _size = object_size_in_bytes; }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2458
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2459
  // Printing
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2460
#ifndef PRODUCT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2461
  void print_on      (outputStream* st) const;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2462
#endif
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2463
  void print_value_on(outputStream* st) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2464
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2465
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2466
  // printing support for method data
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2467
  void print_data_on(outputStream* st) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2468
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2469
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2470
  const char* internal_name() const { return "{method data}"; }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2471
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2472
  // verification
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 10514
diff changeset
  2473
  void verify_on(outputStream* st);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2474
  void verify_data_on(outputStream* st);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2475
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2476
  static bool profile_parameters_for_method(methodHandle m);
20702
bbe0fcde6e13 8023657: New type profiling points: arguments to call
roland
parents: 20282
diff changeset
  2477
  static bool profile_arguments();
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  2478
  static bool profile_return();
21095
1a04f7b3946e 8026251: New type profiling points: parameters to methods
roland
parents: 20709
diff changeset
  2479
  static bool profile_parameters();
20709
034be898bf04 8026054: New type profiling points: type of return values at calls
roland
parents: 20702
diff changeset
  2480
  static bool profile_return_jsr292_only();
22916
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2481
582da2ed4dfa 8031752: Failed speculative optimizations should be reattempted when root of compilation is different
roland
parents: 22851
diff changeset
  2482
  void clean_method_data(BoolObjectClosure* is_alive);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2483
};
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
  2484
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
  2485
#endif // SHARE_VM_OOPS_METHODDATAOOP_HPP