hotspot/src/cpu/x86/vm/vmreg_x86.hpp
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8076276: Add support for AVX512 Reviewed-by: kvn, roland Contributed-by: michael.c.berg@intel.com
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/*
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 * Copyright (c) 2006, 2010, 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 CPU_X86_VM_VMREG_X86_HPP
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#define CPU_X86_VM_VMREG_X86_HPP
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inline bool is_Register() {
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  return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr;
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}
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inline bool is_FloatRegister() {
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  return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr;
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}
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inline bool is_XMMRegister() {
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  int uarch_max_xmm = ConcreteRegisterImpl::max_xmm;
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#ifdef _LP64
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  if (UseAVX < 3) {
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    int half_xmm = (XMMRegisterImpl::max_slots_per_register * XMMRegisterImpl::number_of_registers) / 2;
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    uarch_max_xmm -= half_xmm;
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  }
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#endif
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  return (value() >= ConcreteRegisterImpl::max_fpr && value() < uarch_max_xmm);
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}
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inline bool is_KRegister() {
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  if (UseAVX > 2) {
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    return value() >= ConcreteRegisterImpl::max_xmm && value() < ConcreteRegisterImpl::max_kpr;
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  } else {
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    return false;
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  }
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}
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inline Register as_Register() {
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  assert( is_Register(), "must be");
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  // Yuk
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#ifdef AMD64
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  return ::as_Register(value() >> 1);
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#else
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  return ::as_Register(value());
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#endif // AMD64
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}
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inline FloatRegister as_FloatRegister() {
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  assert( is_FloatRegister() && is_even(value()), "must be" );
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  // Yuk
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  return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1);
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}
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inline XMMRegister as_XMMRegister() {
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  assert( is_XMMRegister() && is_even(value()), "must be" );
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  // Yuk
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  return ::as_XMMRegister((value() - ConcreteRegisterImpl::max_fpr) >> 4);
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}
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inline KRegister as_KRegister() {
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  assert(is_KRegister(), "must be");
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  // Yuk
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  return ::as_KRegister((value() - ConcreteRegisterImpl::max_xmm));
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}
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inline   bool is_concrete() {
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  assert(is_reg(), "must be");
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#ifndef AMD64
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  if (is_Register()) return true;
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#endif // AMD64
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  return is_even(value());
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}
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#endif // CPU_X86_VM_VMREG_X86_HPP