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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 #if V8_TARGET_ARCH_X87 | 5 #if V8_TARGET_ARCH_X87 |
6 | 6 |
7 #include "src/crankshaft/x87/lithium-codegen-x87.h" | 7 #include "src/crankshaft/x87/lithium-codegen-x87.h" |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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511 int target_offset = masm()->pc_offset() + Deoptimizer::patch_size(); | 511 int target_offset = masm()->pc_offset() + Deoptimizer::patch_size(); |
512 while (masm()->pc_offset() < target_offset) { | 512 while (masm()->pc_offset() < target_offset) { |
513 masm()->nop(); | 513 masm()->nop(); |
514 } | 514 } |
515 } | 515 } |
516 safepoints_.Emit(masm(), GetStackSlotCount()); | 516 safepoints_.Emit(masm(), GetStackSlotCount()); |
517 return !is_aborted(); | 517 return !is_aborted(); |
518 } | 518 } |
519 | 519 |
520 | 520 |
521 Register LCodeGen::ToRegister(int index) const { | 521 Register LCodeGen::ToRegister(int code) const { |
522 return Register::FromAllocationIndex(index); | 522 return Register::from_code(code); |
523 } | 523 } |
524 | 524 |
525 | 525 |
526 X87Register LCodeGen::ToX87Register(int index) const { | 526 X87Register LCodeGen::ToX87Register(int code) const { |
527 return X87Register::FromAllocationIndex(index); | 527 return X87Register::from_code(code); |
528 } | 528 } |
529 | 529 |
530 | 530 |
531 void LCodeGen::X87LoadForUsage(X87Register reg) { | 531 void LCodeGen::X87LoadForUsage(X87Register reg) { |
532 DCHECK(x87_stack_.Contains(reg)); | 532 DCHECK(x87_stack_.Contains(reg)); |
533 x87_stack_.Fxch(reg); | 533 x87_stack_.Fxch(reg); |
534 x87_stack_.pop(); | 534 x87_stack_.pop(); |
535 } | 535 } |
536 | 536 |
537 | 537 |
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693 } | 693 } |
694 // Mark this register as the next register to write to | 694 // Mark this register as the next register to write to |
695 stack_[stack_depth_] = reg; | 695 stack_[stack_depth_] = reg; |
696 } | 696 } |
697 | 697 |
698 | 698 |
699 void LCodeGen::X87Stack::CommitWrite(X87Register reg) { | 699 void LCodeGen::X87Stack::CommitWrite(X87Register reg) { |
700 DCHECK(is_mutable_); | 700 DCHECK(is_mutable_); |
701 // Assert the reg is prepared to write, but not on the virtual stack yet | 701 // Assert the reg is prepared to write, but not on the virtual stack yet |
702 DCHECK(!Contains(reg) && stack_[stack_depth_].is(reg) && | 702 DCHECK(!Contains(reg) && stack_[stack_depth_].is(reg) && |
703 stack_depth_ < X87Register::kMaxNumAllocatableRegisters); | 703 stack_depth_ < X87Register::kMaxNumAllocatableRegisters); |
704 stack_depth_++; | 704 stack_depth_++; |
705 } | 705 } |
706 | 706 |
707 | 707 |
708 void LCodeGen::X87PrepareBinaryOp( | 708 void LCodeGen::X87PrepareBinaryOp( |
709 X87Register left, X87Register right, X87Register result) { | 709 X87Register left, X87Register right, X87Register result) { |
710 // You need to use DefineSameAsFirst for x87 instructions | 710 // You need to use DefineSameAsFirst for x87 instructions |
711 DCHECK(result.is(left)); | 711 DCHECK(result.is(left)); |
712 x87_stack_.Fxch(right, 1); | 712 x87_stack_.Fxch(right, 1); |
713 x87_stack_.Fxch(left); | 713 x87_stack_.Fxch(left); |
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6288 RecordSafepoint(Safepoint::kNoLazyDeopt); | 6288 RecordSafepoint(Safepoint::kNoLazyDeopt); |
6289 } | 6289 } |
6290 | 6290 |
6291 | 6291 |
6292 #undef __ | 6292 #undef __ |
6293 | 6293 |
6294 } // namespace internal | 6294 } // namespace internal |
6295 } // namespace v8 | 6295 } // namespace v8 |
6296 | 6296 |
6297 #endif // V8_TARGET_ARCH_X87 | 6297 #endif // V8_TARGET_ARCH_X87 |
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