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Issue 22825023: Uses an object pool on x64 (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 3 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_MIPS. 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_MIPS.
6 #if defined(TARGET_ARCH_MIPS) 6 #if defined(TARGET_ARCH_MIPS)
7 7
8 #include "vm/constants_mips.h" 8 #include "vm/constants_mips.h"
9 #include "vm/cpu.h" 9 #include "vm/cpu.h"
10 #include "vm/instructions.h" 10 #include "vm/instructions.h"
(...skipping 159 matching lines...) Expand 10 before | Expand all | Expand 10 after
170 lui->SetImmInstrBits(LUI, ZR, TMP1, target_hi); 170 lui->SetImmInstrBits(LUI, ZR, TMP1, target_hi);
171 ori->SetImmInstrBits(ORI, TMP1, TMP1, target_lo); 171 ori->SetImmInstrBits(ORI, TMP1, TMP1, target_lo);
172 jr->SetSpecialInstrBits(JALR, TMP1, ZR, RA); 172 jr->SetSpecialInstrBits(JALR, TMP1, ZR, RA);
173 nop->SetInstructionBits(Instr::kNopInstruction); 173 nop->SetInstructionBits(Instr::kNopInstruction);
174 174
175 ASSERT(kFixedLengthInBytes == 4 * Instr::kInstrSize); 175 ASSERT(kFixedLengthInBytes == 4 * Instr::kInstrSize);
176 CPU::FlushICache(pc, kFixedLengthInBytes); 176 CPU::FlushICache(pc, kFixedLengthInBytes);
177 } 177 }
178 178
179 179
180 JumpPattern::JumpPattern(uword pc) : pc_(pc) { } 180 JumpPattern::JumpPattern(uword pc, const Code& code) : pc_(pc) { }
181 181
182 182
183 bool JumpPattern::IsValid() const { 183 bool JumpPattern::IsValid() const {
184 Instr* lui = Instr::At(pc_ + (0 * Instr::kInstrSize)); 184 Instr* lui = Instr::At(pc_ + (0 * Instr::kInstrSize));
185 Instr* ori = Instr::At(pc_ + (1 * Instr::kInstrSize)); 185 Instr* ori = Instr::At(pc_ + (1 * Instr::kInstrSize));
186 Instr* jr = Instr::At(pc_ + (2 * Instr::kInstrSize)); 186 Instr* jr = Instr::At(pc_ + (2 * Instr::kInstrSize));
187 Instr* nop = Instr::At(pc_ + (3 * Instr::kInstrSize)); 187 Instr* nop = Instr::At(pc_ + (3 * Instr::kInstrSize));
188 return (lui->OpcodeField() == LUI) && 188 return (lui->OpcodeField() == LUI) &&
189 (ori->OpcodeField() == ORI) && 189 (ori->OpcodeField() == ORI) &&
190 (jr->OpcodeField() == SPECIAL) && 190 (jr->OpcodeField() == SPECIAL) &&
(...skipping 20 matching lines...) Expand all
211 const uint16_t target_hi = target_address >> 16; 211 const uint16_t target_hi = target_address >> 16;
212 212
213 lui->SetInstructionBits((lui_bits & 0xffff0000) | target_hi); 213 lui->SetInstructionBits((lui_bits & 0xffff0000) | target_hi);
214 ori->SetInstructionBits((ori_bits & 0xffff0000) | target_lo); 214 ori->SetInstructionBits((ori_bits & 0xffff0000) | target_lo);
215 } 215 }
216 216
217 } // namespace dart 217 } // namespace dart
218 218
219 #endif // defined TARGET_ARCH_MIPS 219 #endif // defined TARGET_ARCH_MIPS
220 220
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