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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/ast/scopes.h" | 5 #include "src/ast/scopes.h" |
6 #include "src/compiler/code-generator.h" | 6 #include "src/compiler/code-generator.h" |
7 #include "src/compiler/code-generator-impl.h" | 7 #include "src/compiler/code-generator-impl.h" |
8 #include "src/compiler/gap-resolver.h" | 8 #include "src/compiler/gap-resolver.h" |
9 #include "src/compiler/node-matchers.h" | 9 #include "src/compiler/node-matchers.h" |
10 #include "src/compiler/osr.h" | 10 #include "src/compiler/osr.h" |
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489 __ sync(); \ | 489 __ sync(); \ |
490 } while (0) | 490 } while (0) |
491 | 491 |
492 #define ASSEMBLE_ATOMIC_STORE_INTEGER(asm_instr) \ | 492 #define ASSEMBLE_ATOMIC_STORE_INTEGER(asm_instr) \ |
493 do { \ | 493 do { \ |
494 __ sync(); \ | 494 __ sync(); \ |
495 __ asm_instr(i.InputRegister(2), i.MemoryOperand()); \ | 495 __ asm_instr(i.InputRegister(2), i.MemoryOperand()); \ |
496 __ sync(); \ | 496 __ sync(); \ |
497 } while (0) | 497 } while (0) |
498 | 498 |
| 499 #define ASSEMBLE_IEEE754_UNOP(name) \ |
| 500 do { \ |
| 501 FrameScope scope(masm(), StackFrame::MANUAL); \ |
| 502 __ PrepareCallCFunction(0, 1, kScratchReg); \ |
| 503 __ MovToFloatParameter(i.InputDoubleRegister(0)); \ |
| 504 __ CallCFunction(ExternalReference::ieee754_##name##_function(isolate()), \ |
| 505 0, 1); \ |
| 506 /* Move the result in the double result register. */ \ |
| 507 __ MovFromFloatResult(i.OutputDoubleRegister()); \ |
| 508 } while (0) |
| 509 |
499 void CodeGenerator::AssembleDeconstructFrame() { | 510 void CodeGenerator::AssembleDeconstructFrame() { |
500 __ mov(sp, fp); | 511 __ mov(sp, fp); |
501 __ Pop(ra, fp); | 512 __ Pop(ra, fp); |
502 } | 513 } |
503 | 514 |
504 void CodeGenerator::AssembleDeconstructActivationRecord(int stack_param_delta) { | 515 void CodeGenerator::AssembleDeconstructActivationRecord(int stack_param_delta) { |
505 int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); | 516 int sp_slot_delta = TailCallFrameStackSlotDelta(stack_param_delta); |
506 if (sp_slot_delta > 0) { | 517 if (sp_slot_delta > 0) { |
507 __ daddiu(sp, sp, sp_slot_delta * kPointerSize); | 518 __ daddiu(sp, sp, sp_slot_delta * kPointerSize); |
508 } | 519 } |
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720 __ bind(ool->exit()); | 731 __ bind(ool->exit()); |
721 break; | 732 break; |
722 } | 733 } |
723 case kArchStackSlot: { | 734 case kArchStackSlot: { |
724 FrameOffset offset = | 735 FrameOffset offset = |
725 frame_access_state()->GetFrameOffset(i.InputInt32(0)); | 736 frame_access_state()->GetFrameOffset(i.InputInt32(0)); |
726 __ Daddu(i.OutputRegister(), offset.from_stack_pointer() ? sp : fp, | 737 __ Daddu(i.OutputRegister(), offset.from_stack_pointer() ? sp : fp, |
727 Operand(offset.offset())); | 738 Operand(offset.offset())); |
728 break; | 739 break; |
729 } | 740 } |
730 case kIeee754Float64Log: { | 741 case kIeee754Float64Log: |
731 // TODO(bmeurer): We should really get rid of this special instruction, | 742 ASSEMBLE_IEEE754_UNOP(log); |
732 // and generate a CallAddress instruction instead. | |
733 FrameScope scope(masm(), StackFrame::MANUAL); | |
734 __ PrepareCallCFunction(0, 1, kScratchReg); | |
735 __ MovToFloatParameter(i.InputDoubleRegister(0)); | |
736 __ CallCFunction(ExternalReference::ieee754_log_function(isolate()), 0, | |
737 1); | |
738 // Move the result in the double result register. | |
739 __ MovFromFloatResult(i.OutputDoubleRegister()); | |
740 break; | 743 break; |
741 } | 744 case kIeee754Float64Log1p: |
| 745 ASSEMBLE_IEEE754_UNOP(log1p); |
| 746 break; |
742 case kMips64Add: | 747 case kMips64Add: |
743 __ Addu(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1)); | 748 __ Addu(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1)); |
744 break; | 749 break; |
745 case kMips64Dadd: | 750 case kMips64Dadd: |
746 __ Daddu(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1)); | 751 __ Daddu(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1)); |
747 break; | 752 break; |
748 case kMips64DaddOvf: | 753 case kMips64DaddOvf: |
749 // Pseudo-instruction used for overflow/branch. No opcode emitted here. | 754 // Pseudo-instruction used for overflow/branch. No opcode emitted here. |
750 break; | 755 break; |
751 case kMips64Sub: | 756 case kMips64Sub: |
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2267 padding_size -= v8::internal::Assembler::kInstrSize; | 2272 padding_size -= v8::internal::Assembler::kInstrSize; |
2268 } | 2273 } |
2269 } | 2274 } |
2270 } | 2275 } |
2271 | 2276 |
2272 #undef __ | 2277 #undef __ |
2273 | 2278 |
2274 } // namespace compiler | 2279 } // namespace compiler |
2275 } // namespace internal | 2280 } // namespace internal |
2276 } // namespace v8 | 2281 } // namespace v8 |
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