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Issue 769283002: MIPS: Improve pushing arguments on stack. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Rebase Created 6 years ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/compiler/code-generator.h" 5 #include "src/compiler/code-generator.h"
6 #include "src/compiler/code-generator-impl.h" 6 #include "src/compiler/code-generator-impl.h"
7 #include "src/compiler/gap-resolver.h" 7 #include "src/compiler/gap-resolver.h"
8 #include "src/compiler/node-matchers.h" 8 #include "src/compiler/node-matchers.h"
9 #include "src/compiler/node-properties-inl.h" 9 #include "src/compiler/node-properties-inl.h"
10 #include "src/mips/macro-assembler-mips.h" 10 #include "src/mips/macro-assembler-mips.h"
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455 } 455 }
456 case kMipsLdc1: 456 case kMipsLdc1:
457 __ ldc1(i.OutputDoubleRegister(), i.MemoryOperand()); 457 __ ldc1(i.OutputDoubleRegister(), i.MemoryOperand());
458 break; 458 break;
459 case kMipsSdc1: 459 case kMipsSdc1:
460 __ sdc1(i.InputDoubleRegister(2), i.MemoryOperand()); 460 __ sdc1(i.InputDoubleRegister(2), i.MemoryOperand());
461 break; 461 break;
462 case kMipsPush: 462 case kMipsPush:
463 __ Push(i.InputRegister(0)); 463 __ Push(i.InputRegister(0));
464 break; 464 break;
465 case kMipsStackClaim: {
466 int words = MiscField::decode(instr->opcode());
467 __ Subu(sp, sp, Operand(words << kPointerSizeLog2));
468 break;
469 }
470 case kMipsStoreToStackSlot: {
471 int slot = MiscField::decode(instr->opcode());
472 __ sw(i.InputRegister(0), MemOperand(sp, slot << kPointerSizeLog2));
473 break;
474 }
465 case kMipsStoreWriteBarrier: { 475 case kMipsStoreWriteBarrier: {
466 Register object = i.InputRegister(0); 476 Register object = i.InputRegister(0);
467 Register index = i.InputRegister(1); 477 Register index = i.InputRegister(1);
468 Register value = i.InputRegister(2); 478 Register value = i.InputRegister(2);
469 __ addu(index, object, index); 479 __ addu(index, object, index);
470 __ sw(value, MemOperand(index)); 480 __ sw(value, MemOperand(index));
471 SaveFPRegsMode mode = 481 SaveFPRegsMode mode =
472 frame()->DidAllocateDoubleRegisters() ? kSaveFPRegs : kDontSaveFPRegs; 482 frame()->DidAllocateDoubleRegisters() ? kSaveFPRegs : kDontSaveFPRegs;
473 RAStatus ra_status = kRAHasNotBeenSaved; 483 RAStatus ra_status = kRAHasNotBeenSaved;
474 __ RecordWrite(object, index, value, ra_status, mode); 484 __ RecordWrite(object, index, value, ra_status, mode);
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1067 } 1077 }
1068 } 1078 }
1069 MarkLazyDeoptSite(); 1079 MarkLazyDeoptSite();
1070 } 1080 }
1071 1081
1072 #undef __ 1082 #undef __
1073 1083
1074 } // namespace compiler 1084 } // namespace compiler
1075 } // namespace internal 1085 } // namespace internal
1076 } // namespace v8 1086 } // namespace v8
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