jdk8-mips64-public/hotspot: src/cpu/x86/vm/register

src/cpu/x86/vm/register_x86.hpp@710a3c8b516e (annotated)

src/cpu/x86/vm/register_x86.hpp

Tue, 08 Aug 2017 15:57:29 +0800

author: aoqi
date: Tue, 08 Aug 2017 15:57:29 +0800
changeset 6876: 710a3c8b516e
parent 3882: 8c92982cbbc4
parent 0: f90c822e73f8
permissions: -rw-r--r--

merge

 /*
  * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #ifndef CPU_X86_VM_REGISTER_X86_HPP
 #define CPU_X86_VM_REGISTER_X86_HPP
 #include "asm/register.hpp"
 #include "vm_version_x86.hpp"
 class VMRegImpl;
 typedef VMRegImpl* VMReg;
 // Use Register as shortcut
 class RegisterImpl;
 typedef RegisterImpl* Register;
 // The implementation of integer registers for the ia32 architecture
 inline Register as_Register(int encoding) {
   return (Register)(intptr_t) encoding;
 }
 class RegisterImpl: public AbstractRegisterImpl {
  public:
   enum {
 #ifndef AMD64
     number_of_registers      = 8,
     number_of_byte_registers = 4
 #else
     number_of_registers      = 16,
     number_of_byte_registers = 16
 #endif // AMD64
   };
   // derived registers, offsets, and addresses
   Register successor() const                          { return as_Register(encoding() + 1); }
   // construction
   inline friend Register as_Register(int encoding);
   VMReg as_VMReg();
   // accessors
   int   encoding() const                         { assert(is_valid(), "invalid register"); return (intptr_t)this; }
   bool  is_valid() const                         { return 0 <= (intptr_t)this && (intptr_t)this < number_of_registers; }
   bool  has_byte_register() const                { return 0 <= (intptr_t)this && (intptr_t)this < number_of_byte_registers; }
   const char* name() const;
 };
 // The integer registers of the ia32/amd64 architecture
 CONSTANT_REGISTER_DECLARATION(Register, noreg, (-1));
 CONSTANT_REGISTER_DECLARATION(Register, rax,    (0));
 CONSTANT_REGISTER_DECLARATION(Register, rcx,    (1));
 CONSTANT_REGISTER_DECLARATION(Register, rdx,    (2));
 CONSTANT_REGISTER_DECLARATION(Register, rbx,    (3));
 CONSTANT_REGISTER_DECLARATION(Register, rsp,    (4));
 CONSTANT_REGISTER_DECLARATION(Register, rbp,    (5));
 CONSTANT_REGISTER_DECLARATION(Register, rsi,    (6));
 CONSTANT_REGISTER_DECLARATION(Register, rdi,    (7));
 #ifdef AMD64
 CONSTANT_REGISTER_DECLARATION(Register, r8,     (8));
 CONSTANT_REGISTER_DECLARATION(Register, r9,     (9));
 CONSTANT_REGISTER_DECLARATION(Register, r10,   (10));
 CONSTANT_REGISTER_DECLARATION(Register, r11,   (11));
 CONSTANT_REGISTER_DECLARATION(Register, r12,   (12));
 CONSTANT_REGISTER_DECLARATION(Register, r13,   (13));
 CONSTANT_REGISTER_DECLARATION(Register, r14,   (14));
 CONSTANT_REGISTER_DECLARATION(Register, r15,   (15));
 #endif // AMD64
 // Use FloatRegister as shortcut
 class FloatRegisterImpl;
 typedef FloatRegisterImpl* FloatRegister;
 inline FloatRegister as_FloatRegister(int encoding) {
   return (FloatRegister)(intptr_t) encoding;
 }
 // The implementation of floating point registers for the ia32 architecture
 class FloatRegisterImpl: public AbstractRegisterImpl {
  public:
   enum {
     number_of_registers = 8
   };
   // construction
   inline friend FloatRegister as_FloatRegister(int encoding);
   VMReg as_VMReg();
   // derived registers, offsets, and addresses
   FloatRegister successor() const                          { return as_FloatRegister(encoding() + 1); }
   // accessors
   int   encoding() const                          { assert(is_valid(), "invalid register"); return (intptr_t)this; }
   bool  is_valid() const                          { return 0 <= (intptr_t)this && (intptr_t)this < number_of_registers; }
   const char* name() const;
 };
 // Use XMMRegister as shortcut
 class XMMRegisterImpl;
 typedef XMMRegisterImpl* XMMRegister;
 // Use MMXRegister as shortcut
 class MMXRegisterImpl;
 typedef MMXRegisterImpl* MMXRegister;
 inline XMMRegister as_XMMRegister(int encoding) {
   return (XMMRegister)(intptr_t)encoding;
 }
 inline MMXRegister as_MMXRegister(int encoding) {
   return (MMXRegister)(intptr_t)encoding;
 }
 // The implementation of XMM registers for the IA32 architecture
 class XMMRegisterImpl: public AbstractRegisterImpl {
  public:
   enum {
 #ifndef AMD64
     number_of_registers = 8
 #else
     number_of_registers = 16
 #endif // AMD64
   };
   // construction
   friend XMMRegister as_XMMRegister(int encoding);
   VMReg as_VMReg();
   // derived registers, offsets, and addresses
   XMMRegister successor() const                          { return as_XMMRegister(encoding() + 1); }
   // accessors
   int   encoding() const                          { assert(is_valid(), err_msg("invalid register (%d)", (int)(intptr_t)this )); return (intptr_t)this; }
   bool  is_valid() const                          { return 0 <= (intptr_t)this && (intptr_t)this < number_of_registers; }
   const char* name() const;
 };
 // The XMM registers, for P3 and up chips
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xnoreg , (-1));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm0 , ( 0));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm1 , ( 1));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm2 , ( 2));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm3 , ( 3));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm4 , ( 4));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm5 , ( 5));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm6 , ( 6));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm7 , ( 7));
 #ifdef AMD64
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm8,      (8));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm9,      (9));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm10,    (10));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm11,    (11));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm12,    (12));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm13,    (13));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm14,    (14));
 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm15,    (15));
 #endif // AMD64
 // Only used by the 32bit stubGenerator. These can't be described by vmreg and hence
 // can't be described in oopMaps and therefore can't be used by the compilers (at least
 // were deopt might wan't to see them).
 // The MMX registers, for P3 and up chips
 CONSTANT_REGISTER_DECLARATION(MMXRegister, mnoreg , (-1));
 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx0 , ( 0));
 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx1 , ( 1));
 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx2 , ( 2));
 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx3 , ( 3));
 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx4 , ( 4));
 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx5 , ( 5));
 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx6 , ( 6));
 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx7 , ( 7));
 // Need to know the total number of registers of all sorts for SharedInfo.
 // Define a class that exports it.
 class ConcreteRegisterImpl : public AbstractRegisterImpl {
  public:
   enum {
   // A big enough number for C2: all the registers plus flags
   // This number must be large enough to cover REG_COUNT (defined by c2) registers.
   // There is no requirement that any ordering here matches any ordering c2 gives
   // it's optoregs.
     number_of_registers =      RegisterImpl::number_of_registers +
 #ifdef AMD64
                                RegisterImpl::number_of_registers +  // "H" half of a 64bit register
 #endif // AMD64
 * FloatRegisterImpl::number_of_registers +
 * XMMRegisterImpl::number_of_registers +
 // eflags
   };
   static const int max_gpr;
   static const int max_fpr;
   static const int max_xmm;
 };
 #endif // CPU_X86_VM_REGISTER_X86_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/cpu/x86/vm/register_x86.hpp@710a3c8b516e (annotated)

src/cpu/x86/vm/register_x86.hpp