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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/machine-operator-reducer.h" | 5 #include "src/compiler/machine-operator-reducer.h" |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/base/division-by-constant.h" | 8 #include "src/base/division-by-constant.h" |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/compiler/diamond.h" | 10 #include "src/compiler/diamond.h" |
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383 return Replace(m.left().node()); | 383 return Replace(m.left().node()); |
384 } | 384 } |
385 if (m.IsFoldable()) { // K / K => K | 385 if (m.IsFoldable()) { // K / K => K |
386 return ReplaceFloat64(m.left().Value() / m.right().Value()); | 386 return ReplaceFloat64(m.left().Value() / m.right().Value()); |
387 } | 387 } |
388 break; | 388 break; |
389 } | 389 } |
390 case IrOpcode::kFloat64Mod: { | 390 case IrOpcode::kFloat64Mod: { |
391 Float64BinopMatcher m(node); | 391 Float64BinopMatcher m(node); |
392 if (m.right().Is(0)) { // x % 0 => NaN | 392 if (m.right().Is(0)) { // x % 0 => NaN |
393 return ReplaceFloat64(base::OS::nan_value()); | 393 return ReplaceFloat64(std::numeric_limits<double>::quiet_NaN()); |
394 } | 394 } |
395 if (m.right().IsNaN()) { // x % NaN => NaN | 395 if (m.right().IsNaN()) { // x % NaN => NaN |
396 return Replace(m.right().node()); | 396 return Replace(m.right().node()); |
397 } | 397 } |
398 if (m.left().IsNaN()) { // NaN % x => NaN | 398 if (m.left().IsNaN()) { // NaN % x => NaN |
399 return Replace(m.left().node()); | 399 return Replace(m.left().node()); |
400 } | 400 } |
401 if (m.IsFoldable()) { // K % K => K | 401 if (m.IsFoldable()) { // K % K => K |
402 return ReplaceFloat64(modulo(m.left().Value(), m.right().Value())); | 402 return ReplaceFloat64(modulo(m.left().Value(), m.right().Value())); |
403 } | 403 } |
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942 MachineOperatorBuilder* MachineOperatorReducer::machine() const { | 942 MachineOperatorBuilder* MachineOperatorReducer::machine() const { |
943 return jsgraph()->machine(); | 943 return jsgraph()->machine(); |
944 } | 944 } |
945 | 945 |
946 | 946 |
947 Graph* MachineOperatorReducer::graph() const { return jsgraph()->graph(); } | 947 Graph* MachineOperatorReducer::graph() const { return jsgraph()->graph(); } |
948 | 948 |
949 } // namespace compiler | 949 } // namespace compiler |
950 } // namespace internal | 950 } // namespace internal |
951 } // namespace v8 | 951 } // namespace v8 |
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