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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/simplified-lowering.h" | 5 #include "src/compiler/simplified-lowering.h" |
6 | 6 |
7 #include <limits> | 7 #include <limits> |
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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1186 } else { | 1186 } else { |
1187 // If undefined is truncated to a number, but the use can | 1187 // If undefined is truncated to a number, but the use can |
1188 // observe NaN, we need to output at least the float32 | 1188 // observe NaN, we need to output at least the float32 |
1189 // representation. | 1189 // representation. |
1190 if (access.machine_type().representation() == | 1190 if (access.machine_type().representation() == |
1191 MachineRepresentation::kFloat32) { | 1191 MachineRepresentation::kFloat32) { |
1192 output_info = | 1192 output_info = |
1193 NodeOutputInfo(access.machine_type().representation(), | 1193 NodeOutputInfo(access.machine_type().representation(), |
1194 NodeProperties::GetType(node)); | 1194 NodeProperties::GetType(node)); |
1195 } else { | 1195 } else { |
| 1196 if (access.machine_type().representation() != |
| 1197 MachineRepresentation::kFloat64) { |
| 1198 // TODO(bmeurer): See comment on abort_compilation_. |
| 1199 if (lower()) lowering->abort_compilation_ = true; |
| 1200 } |
1196 output_info = NodeOutputInfo::Float64(); | 1201 output_info = NodeOutputInfo::Float64(); |
1197 } | 1202 } |
1198 } | 1203 } |
1199 } else { | 1204 } else { |
| 1205 // TODO(bmeurer): See comment on abort_compilation_. |
| 1206 if (lower()) lowering->abort_compilation_ = true; |
| 1207 |
1200 // If undefined is not truncated away, we need to have the tagged | 1208 // If undefined is not truncated away, we need to have the tagged |
1201 // representation. | 1209 // representation. |
1202 output_info = NodeOutputInfo::AnyTagged(); | 1210 output_info = NodeOutputInfo::AnyTagged(); |
1203 } | 1211 } |
1204 SetOutput(node, output_info); | 1212 SetOutput(node, output_info); |
1205 if (lower()) | 1213 if (lower()) |
1206 lowering->DoLoadBuffer(node, output_info.representation(), changer_); | 1214 lowering->DoLoadBuffer(node, output_info.representation(), changer_); |
1207 break; | 1215 break; |
1208 } | 1216 } |
1209 case IrOpcode::kStoreBuffer: { | 1217 case IrOpcode::kStoreBuffer: { |
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1908 ReplaceEffectUses(node, comparison); | 1916 ReplaceEffectUses(node, comparison); |
1909 node->ReplaceInput(0, comparison); | 1917 node->ReplaceInput(0, comparison); |
1910 node->ReplaceInput(1, jsgraph()->SmiConstant(EQUAL)); | 1918 node->ReplaceInput(1, jsgraph()->SmiConstant(EQUAL)); |
1911 node->TrimInputCount(2); | 1919 node->TrimInputCount(2); |
1912 NodeProperties::ChangeOp(node, machine()->IntLessThanOrEqual()); | 1920 NodeProperties::ChangeOp(node, machine()->IntLessThanOrEqual()); |
1913 } | 1921 } |
1914 | 1922 |
1915 } // namespace compiler | 1923 } // namespace compiler |
1916 } // namespace internal | 1924 } // namespace internal |
1917 } // namespace v8 | 1925 } // namespace v8 |
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