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Issue 2220973002: [turbofan] Remove the FloatXXSubPreserveNan operators. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Reintroduce an optimization for arm. Created 4 years, 4 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/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"
(...skipping 1037 matching lines...) Expand 10 before | Expand all | Expand 10 after
1048 break; 1048 break;
1049 case kMipsAddS: 1049 case kMipsAddS:
1050 // TODO(plind): add special case: combine mult & add. 1050 // TODO(plind): add special case: combine mult & add.
1051 __ add_s(i.OutputDoubleRegister(), i.InputDoubleRegister(0), 1051 __ add_s(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
1052 i.InputDoubleRegister(1)); 1052 i.InputDoubleRegister(1));
1053 break; 1053 break;
1054 case kMipsSubS: 1054 case kMipsSubS:
1055 __ sub_s(i.OutputDoubleRegister(), i.InputDoubleRegister(0), 1055 __ sub_s(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
1056 i.InputDoubleRegister(1)); 1056 i.InputDoubleRegister(1));
1057 break; 1057 break;
1058 case kMipsSubPreserveNanS:
1059 __ SubNanPreservePayloadAndSign_s(i.OutputDoubleRegister(),
1060 i.InputDoubleRegister(0),
1061 i.InputDoubleRegister(1));
1062 break;
1063 case kMipsMulS: 1058 case kMipsMulS:
1064 // TODO(plind): add special case: right op is -1.0, see arm port. 1059 // TODO(plind): add special case: right op is -1.0, see arm port.
1065 __ mul_s(i.OutputDoubleRegister(), i.InputDoubleRegister(0), 1060 __ mul_s(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
1066 i.InputDoubleRegister(1)); 1061 i.InputDoubleRegister(1));
1067 break; 1062 break;
1068 case kMipsDivS: 1063 case kMipsDivS:
1069 __ div_s(i.OutputDoubleRegister(), i.InputDoubleRegister(0), 1064 __ div_s(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
1070 i.InputDoubleRegister(1)); 1065 i.InputDoubleRegister(1));
1071 break; 1066 break;
1072 case kMipsModS: { 1067 case kMipsModS: {
(...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after
1119 } break; 1114 } break;
1120 case kMipsAddD: 1115 case kMipsAddD:
1121 // TODO(plind): add special case: combine mult & add. 1116 // TODO(plind): add special case: combine mult & add.
1122 __ add_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0), 1117 __ add_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
1123 i.InputDoubleRegister(1)); 1118 i.InputDoubleRegister(1));
1124 break; 1119 break;
1125 case kMipsSubD: 1120 case kMipsSubD:
1126 __ sub_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0), 1121 __ sub_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
1127 i.InputDoubleRegister(1)); 1122 i.InputDoubleRegister(1));
1128 break; 1123 break;
1129 case kMipsSubPreserveNanD:
1130 __ SubNanPreservePayloadAndSign_d(i.OutputDoubleRegister(),
1131 i.InputDoubleRegister(0),
1132 i.InputDoubleRegister(1));
1133 break;
1134 case kMipsMulD: 1124 case kMipsMulD:
1135 // TODO(plind): add special case: right op is -1.0, see arm port. 1125 // TODO(plind): add special case: right op is -1.0, see arm port.
1136 __ mul_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0), 1126 __ mul_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
1137 i.InputDoubleRegister(1)); 1127 i.InputDoubleRegister(1));
1138 break; 1128 break;
1139 case kMipsDivD: 1129 case kMipsDivD:
1140 __ div_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0), 1130 __ div_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
1141 i.InputDoubleRegister(1)); 1131 i.InputDoubleRegister(1));
1142 break; 1132 break;
1143 case kMipsModD: { 1133 case kMipsModD: {
(...skipping 1052 matching lines...) Expand 10 before | Expand all | Expand 10 after
2196 padding_size -= v8::internal::Assembler::kInstrSize; 2186 padding_size -= v8::internal::Assembler::kInstrSize;
2197 } 2187 }
2198 } 2188 }
2199 } 2189 }
2200 2190
2201 #undef __ 2191 #undef __
2202 2192
2203 } // namespace compiler 2193 } // namespace compiler
2204 } // namespace internal 2194 } // namespace internal
2205 } // namespace v8 2195 } // namespace v8
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