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Side by Side Diff: src/compiler/ia32/instruction-selector-ia32.cc

Issue 1098863003: Import Reversed adapter from Chromium and use it in v8. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Addressed feedback. Rebased. Created 5 years, 8 months 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/base/adapters.h"
5 #include "src/compiler/instruction-selector-impl.h" 6 #include "src/compiler/instruction-selector-impl.h"
6 #include "src/compiler/node-matchers.h" 7 #include "src/compiler/node-matchers.h"
7 #include "src/compiler/node-properties.h" 8 #include "src/compiler/node-properties.h"
8 9
9 namespace v8 { 10 namespace v8 {
10 namespace internal { 11 namespace internal {
11 namespace compiler { 12 namespace compiler {
12 13
13 // Adds IA32-specific methods for generating operands. 14 // Adds IA32-specific methods for generating operands.
14 class IA32OperandGenerator final : public OperandGenerator { 15 class IA32OperandGenerator final : public OperandGenerator {
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824 frame_state_descriptor = 825 frame_state_descriptor =
825 GetFrameStateDescriptor(node->InputAt(descriptor->InputCount())); 826 GetFrameStateDescriptor(node->InputAt(descriptor->InputCount()));
826 } 827 }
827 828
828 CallBuffer buffer(zone(), descriptor, frame_state_descriptor); 829 CallBuffer buffer(zone(), descriptor, frame_state_descriptor);
829 830
830 // Compute InstructionOperands for inputs and outputs. 831 // Compute InstructionOperands for inputs and outputs.
831 InitializeCallBuffer(node, &buffer, true, true); 832 InitializeCallBuffer(node, &buffer, true, true);
832 833
833 // Push any stack arguments. 834 // Push any stack arguments.
834 for (auto i = buffer.pushed_nodes.rbegin(); i != buffer.pushed_nodes.rend(); 835 for (Node* node : base::Reversed(buffer.pushed_nodes)) {
835 ++i) {
836 // TODO(titzer): handle pushing double parameters. 836 // TODO(titzer): handle pushing double parameters.
837 InstructionOperand value = 837 InstructionOperand value =
838 g.CanBeImmediate(*i) ? g.UseImmediate(*i) : IsSupported(ATOM) 838 g.CanBeImmediate(node)
839 ? g.UseRegister(*i) 839 ? g.UseImmediate(node)
840 : g.Use(*i); 840 : IsSupported(ATOM) ? g.UseRegister(node) : g.Use(node);
841 Emit(kIA32Push, g.NoOutput(), value); 841 Emit(kIA32Push, g.NoOutput(), value);
842 } 842 }
843 843
844 // Pass label of exception handler block. 844 // Pass label of exception handler block.
845 CallDescriptor::Flags flags = descriptor->flags(); 845 CallDescriptor::Flags flags = descriptor->flags();
846 if (handler != nullptr) { 846 if (handler != nullptr) {
847 flags |= CallDescriptor::kHasExceptionHandler; 847 flags |= CallDescriptor::kHasExceptionHandler;
848 buffer.instruction_args.push_back(g.Label(handler)); 848 buffer.instruction_args.push_back(g.Label(handler));
849 } 849 }
850 850
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1236 if (CpuFeatures::IsSupported(SSE4_1)) { 1236 if (CpuFeatures::IsSupported(SSE4_1)) {
1237 flags |= MachineOperatorBuilder::kFloat64RoundDown | 1237 flags |= MachineOperatorBuilder::kFloat64RoundDown |
1238 MachineOperatorBuilder::kFloat64RoundTruncate; 1238 MachineOperatorBuilder::kFloat64RoundTruncate;
1239 } 1239 }
1240 return flags; 1240 return flags;
1241 } 1241 }
1242 1242
1243 } // namespace compiler 1243 } // namespace compiler
1244 } // namespace internal 1244 } // namespace internal
1245 } // namespace v8 1245 } // namespace v8
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