diff options
Diffstat (limited to 'deps/v8/src/compiler/machine-operator-reducer.h')
| -rw-r--r-- | deps/v8/src/compiler/machine-operator-reducer.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/deps/v8/src/compiler/machine-operator-reducer.h b/deps/v8/src/compiler/machine-operator-reducer.h index 53c5d6fa686..7970daefce9 100644 --- a/deps/v8/src/compiler/machine-operator-reducer.h +++ b/deps/v8/src/compiler/machine-operator-reducer.h @@ -62,6 +62,7 @@ class V8_EXPORT_PRIVATE MachineOperatorReducer final Node* Int32Mul(Node* lhs, Node* rhs); Node* Int32Div(Node* dividend, int32_t divisor); Node* Uint32Div(Node* dividend, uint32_t divisor); + Node* TruncateInt64ToInt32(Node* value); Reduction ReplaceBool(bool value) { return ReplaceInt32(value ? 1 : 0); } Reduction ReplaceFloat32(volatile float value) { @@ -91,6 +92,9 @@ class V8_EXPORT_PRIVATE MachineOperatorReducer final Reduction ReduceUint32Mod(Node* node); Reduction ReduceStore(Node* node); Reduction ReduceProjection(size_t index, Node* node); + const Operator* Map64To32Comparison(const Operator* op, bool sign_extended); + Reduction ReduceWord32Comparisons(Node* node); + Reduction ReduceWord64Comparisons(Node* node); Reduction ReduceWord32Shifts(Node* node); Reduction ReduceWord32Shl(Node* node); Reduction ReduceWord64Shl(Node* node); @@ -109,6 +113,7 @@ class V8_EXPORT_PRIVATE MachineOperatorReducer final Reduction ReduceFloat64InsertHighWord32(Node* node); Reduction ReduceFloat64Compare(Node* node); Reduction ReduceFloat64RoundDown(Node* node); + Reduction ReduceTruncateInt64ToInt32(Node* node); Reduction ReduceConditional(Node* node); Graph* graph() const; @@ -125,6 +130,18 @@ class V8_EXPORT_PRIVATE MachineOperatorReducer final template <typename WordNAdapter> Reduction ReduceWordNXor(Node* node); + // Helper for ReduceConditional. Does not perform the actual reduction; just + // returns a new Node that could be used as the input to the condition. + template <typename WordNAdapter> + base::Optional<Node*> ReduceConditionalN(Node* node); + + // Helper for finding a reduced equality condition. Does not perform the + // actual reduction; just returns a new pair that could be compared for the + // same outcome. + template <typename WordNAdapter> + base::Optional<std::pair<Node*, uint32_t>> ReduceWord32EqualForConstantRhs( + Node* lhs, uint32_t rhs); + MachineGraph* mcgraph_; bool allow_signalling_nan_; }; |