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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 #include "src/crankshaft/arm/lithium-codegen-arm.h" | 5 #include "src/crankshaft/arm/lithium-codegen-arm.h" |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/crankshaft/arm/lithium-gap-resolver-arm.h" | 10 #include "src/crankshaft/arm/lithium-gap-resolver-arm.h" |
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2253 LOperand* right = instr->right(); | 2253 LOperand* right = instr->right(); |
2254 bool is_unsigned = | 2254 bool is_unsigned = |
2255 instr->hydrogen()->left()->CheckFlag(HInstruction::kUint32) || | 2255 instr->hydrogen()->left()->CheckFlag(HInstruction::kUint32) || |
2256 instr->hydrogen()->right()->CheckFlag(HInstruction::kUint32); | 2256 instr->hydrogen()->right()->CheckFlag(HInstruction::kUint32); |
2257 Condition cond = TokenToCondition(instr->op(), is_unsigned); | 2257 Condition cond = TokenToCondition(instr->op(), is_unsigned); |
2258 | 2258 |
2259 if (left->IsConstantOperand() && right->IsConstantOperand()) { | 2259 if (left->IsConstantOperand() && right->IsConstantOperand()) { |
2260 // We can statically evaluate the comparison. | 2260 // We can statically evaluate the comparison. |
2261 double left_val = ToDouble(LConstantOperand::cast(left)); | 2261 double left_val = ToDouble(LConstantOperand::cast(left)); |
2262 double right_val = ToDouble(LConstantOperand::cast(right)); | 2262 double right_val = ToDouble(LConstantOperand::cast(right)); |
2263 int next_block = EvalComparison(instr->op(), left_val, right_val) ? | 2263 int next_block = Token::EvalComparison(instr->op(), left_val, right_val) |
2264 instr->TrueDestination(chunk_) : instr->FalseDestination(chunk_); | 2264 ? instr->TrueDestination(chunk_) |
| 2265 : instr->FalseDestination(chunk_); |
2265 EmitGoto(next_block); | 2266 EmitGoto(next_block); |
2266 } else { | 2267 } else { |
2267 if (instr->is_double()) { | 2268 if (instr->is_double()) { |
2268 // Compare left and right operands as doubles and load the | 2269 // Compare left and right operands as doubles and load the |
2269 // resulting flags into the normal status register. | 2270 // resulting flags into the normal status register. |
2270 __ VFPCompareAndSetFlags(ToDoubleRegister(left), ToDoubleRegister(right)); | 2271 __ VFPCompareAndSetFlags(ToDoubleRegister(left), ToDoubleRegister(right)); |
2271 // If a NaN is involved, i.e. the result is unordered (V set), | 2272 // If a NaN is involved, i.e. the result is unordered (V set), |
2272 // jump to false block label. | 2273 // jump to false block label. |
2273 __ b(vs, instr->FalseLabel(chunk_)); | 2274 __ b(vs, instr->FalseLabel(chunk_)); |
2274 } else { | 2275 } else { |
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5598 __ push(ToRegister(instr->function())); | 5599 __ push(ToRegister(instr->function())); |
5599 CallRuntime(Runtime::kPushBlockContext, instr); | 5600 CallRuntime(Runtime::kPushBlockContext, instr); |
5600 RecordSafepoint(Safepoint::kNoLazyDeopt); | 5601 RecordSafepoint(Safepoint::kNoLazyDeopt); |
5601 } | 5602 } |
5602 | 5603 |
5603 | 5604 |
5604 #undef __ | 5605 #undef __ |
5605 | 5606 |
5606 } // namespace internal | 5607 } // namespace internal |
5607 } // namespace v8 | 5608 } // namespace v8 |
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