src/hotspot/cpu/sparc/c1_LIRAssembler_sparc.hpp
changeset 47216 71c04702a3d5
parent 46381 020219e46c86
child 53244 9807daeb47c4
equal deleted inserted replaced
47215:4ebc2e2fb97c 47216:71c04702a3d5
       
     1 /*
       
     2  * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
       
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     4  *
       
     5  * This code is free software; you can redistribute it and/or modify it
       
     6  * under the terms of the GNU General Public License version 2 only, as
       
     7  * published by the Free Software Foundation.
       
     8  *
       
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    12  * version 2 for more details (a copy is included in the LICENSE file that
       
    13  * accompanied this code).
       
    14  *
       
    15  * You should have received a copy of the GNU General Public License version
       
    16  * 2 along with this work; if not, write to the Free Software Foundation,
       
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    18  *
       
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    20  * or visit www.oracle.com if you need additional information or have any
       
    21  * questions.
       
    22  *
       
    23  */
       
    24 
       
    25 #ifndef CPU_SPARC_VM_C1_LIRASSEMBLER_SPARC_HPP
       
    26 #define CPU_SPARC_VM_C1_LIRASSEMBLER_SPARC_HPP
       
    27 
       
    28  private:
       
    29 
       
    30   //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
       
    31   //
       
    32   // Sparc load/store emission
       
    33   //
       
    34   // The sparc ld/st instructions cannot accomodate displacements > 13 bits long.
       
    35   // The following "pseudo" sparc instructions (load/store) make it easier to use the indexed addressing mode
       
    36   // by allowing 32 bit displacements:
       
    37   //
       
    38   //    When disp <= 13 bits long, a single load or store instruction is emitted with (disp + [d]).
       
    39   //    When disp >  13 bits long, code is emitted to set the displacement into the O7 register,
       
    40   //       and then a load or store is emitted with ([O7] + [d]).
       
    41   //
       
    42 
       
    43   int store(LIR_Opr from_reg, Register base, int offset, BasicType type, bool wide, bool unaligned);
       
    44   int store(LIR_Opr from_reg, Register base, Register disp, BasicType type, bool wide);
       
    45 
       
    46   int load(Register base, int offset, LIR_Opr to_reg, BasicType type, bool wide, bool unaligned);
       
    47   int load(Register base, Register disp, LIR_Opr to_reg, BasicType type, bool wide);
       
    48 
       
    49   void monitorexit(LIR_Opr obj_opr, LIR_Opr lock_opr, Register hdr, int monitor_no);
       
    50 
       
    51   int shift_amount(BasicType t);
       
    52 
       
    53   static bool is_single_instruction(LIR_Op* op);
       
    54 
       
    55   // Record the type of the receiver in ReceiverTypeData
       
    56   void type_profile_helper(Register mdo, int mdo_offset_bias,
       
    57                            ciMethodData *md, ciProfileData *data,
       
    58                            Register recv, Register tmp1, Label* update_done);
       
    59   // Setup pointers to MDO, MDO slot, also compute offset bias to access the slot.
       
    60   void setup_md_access(ciMethod* method, int bci,
       
    61                        ciMethodData*& md, ciProfileData*& data, int& mdo_offset_bias);
       
    62 
       
    63   enum {
       
    64     _call_stub_size = 68,
       
    65     _call_aot_stub_size = 0,
       
    66     _exception_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(128),
       
    67     _deopt_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(64)
       
    68   };
       
    69 
       
    70  public:
       
    71   void   pack64(LIR_Opr src, LIR_Opr dst);
       
    72   void unpack64(LIR_Opr src, LIR_Opr dst);
       
    73 
       
    74 #endif // CPU_SPARC_VM_C1_LIRASSEMBLER_SPARC_HPP