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Side by Side Diff: src/compiler/operator-properties.cc

Issue 2121153003: [turbofan] Remove eager frame state from divisions. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 5 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/compiler/operator-properties.h" 5 #include "src/compiler/operator-properties.h"
6 6
7 #include "src/compiler/js-operator.h" 7 #include "src/compiler/js-operator.h"
8 #include "src/compiler/linkage.h" 8 #include "src/compiler/linkage.h"
9 #include "src/compiler/opcodes.h" 9 #include "src/compiler/opcodes.h"
10 10
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32 32
33 // Strict equality cannot lazily deoptimize. 33 // Strict equality cannot lazily deoptimize.
34 case IrOpcode::kJSStrictEqual: 34 case IrOpcode::kJSStrictEqual:
35 case IrOpcode::kJSStrictNotEqual: 35 case IrOpcode::kJSStrictNotEqual:
36 return 0; 36 return 0;
37 37
38 // Binary operations 38 // Binary operations
39 case IrOpcode::kJSAdd: 39 case IrOpcode::kJSAdd:
40 case IrOpcode::kJSSubtract: 40 case IrOpcode::kJSSubtract:
41 case IrOpcode::kJSMultiply: 41 case IrOpcode::kJSMultiply:
42 case IrOpcode::kJSDivide:
43 case IrOpcode::kJSModulus:
42 44
43 // Compare operations 45 // Compare operations
44 case IrOpcode::kJSEqual: 46 case IrOpcode::kJSEqual:
45 case IrOpcode::kJSNotEqual: 47 case IrOpcode::kJSNotEqual:
46 case IrOpcode::kJSHasProperty: 48 case IrOpcode::kJSHasProperty:
47 case IrOpcode::kJSInstanceOf: 49 case IrOpcode::kJSInstanceOf:
48 50
49 // Object operations 51 // Object operations
50 case IrOpcode::kJSCreate: 52 case IrOpcode::kJSCreate:
51 case IrOpcode::kJSCreateArguments: 53 case IrOpcode::kJSCreateArguments:
(...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after
84 case IrOpcode::kJSForInPrepare: 86 case IrOpcode::kJSForInPrepare:
85 case IrOpcode::kJSStackCheck: 87 case IrOpcode::kJSStackCheck:
86 return 1; 88 return 1;
87 89
88 // Binary operators that can deopt in the middle the operation (e.g., 90 // Binary operators that can deopt in the middle the operation (e.g.,
89 // as a result of lazy deopt in ToNumber conversion) need a second frame 91 // as a result of lazy deopt in ToNumber conversion) need a second frame
90 // state so that we can resume before the operation. 92 // state so that we can resume before the operation.
91 case IrOpcode::kJSBitwiseAnd: 93 case IrOpcode::kJSBitwiseAnd:
92 case IrOpcode::kJSBitwiseOr: 94 case IrOpcode::kJSBitwiseOr:
93 case IrOpcode::kJSBitwiseXor: 95 case IrOpcode::kJSBitwiseXor:
94 case IrOpcode::kJSDivide:
95 case IrOpcode::kJSModulus:
96 case IrOpcode::kJSShiftLeft: 96 case IrOpcode::kJSShiftLeft:
97 case IrOpcode::kJSShiftRight: 97 case IrOpcode::kJSShiftRight:
98 case IrOpcode::kJSShiftRightLogical: 98 case IrOpcode::kJSShiftRightLogical:
99 return 2; 99 return 2;
100 100
101 // Compare operators that can deopt in the middle the operation (e.g., 101 // Compare operators that can deopt in the middle the operation (e.g.,
102 // as a result of lazy deopt in ToNumber conversion) need a second frame 102 // as a result of lazy deopt in ToNumber conversion) need a second frame
103 // state so that we can resume before the operation. 103 // state so that we can resume before the operation.
104 case IrOpcode::kJSGreaterThan: 104 case IrOpcode::kJSGreaterThan:
105 case IrOpcode::kJSGreaterThanOrEqual: 105 case IrOpcode::kJSGreaterThanOrEqual:
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128 opcode == IrOpcode::kDead || opcode == IrOpcode::kLoop || 128 opcode == IrOpcode::kDead || opcode == IrOpcode::kLoop ||
129 opcode == IrOpcode::kMerge || opcode == IrOpcode::kIfTrue || 129 opcode == IrOpcode::kMerge || opcode == IrOpcode::kIfTrue ||
130 opcode == IrOpcode::kIfFalse || opcode == IrOpcode::kIfSuccess || 130 opcode == IrOpcode::kIfFalse || opcode == IrOpcode::kIfSuccess ||
131 opcode == IrOpcode::kIfException || opcode == IrOpcode::kIfValue || 131 opcode == IrOpcode::kIfException || opcode == IrOpcode::kIfValue ||
132 opcode == IrOpcode::kIfDefault; 132 opcode == IrOpcode::kIfDefault;
133 } 133 }
134 134
135 } // namespace compiler 135 } // namespace compiler
136 } // namespace internal 136 } // namespace internal
137 } // namespace v8 137 } // namespace v8
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