diff options
| author | Alon Zakai <alonzakai@gmail.com> | 2018-04-11 12:02:29 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-04-11 12:02:29 -0700 |
| commit | 92afb40eea6e9a09af2d355ff9ab6a4bd04c54bb (patch) | |
| tree | 671827c29364ef509ce2a6ba050d9b119c54c9cc /src/wasm/wasm-s-parser.cpp | |
| parent | 9b5ce471992033eeec9a8779bce55f2429496431 (diff) | |
| download | binaryen-92afb40eea6e9a09af2d355ff9ab6a4bd04c54bb.tar.gz binaryen-92afb40eea6e9a09af2d355ff9ab6a4bd04c54bb.tar.bz2 binaryen-92afb40eea6e9a09af2d355ff9ab6a4bd04c54bb.zip | |
Some simple integer math opts (#1504)
Stuff like x + 5 != 2 => x != -3.
Also some cleanups of utility functions I noticed while writing this, isTypeFloat => isFloatType.
Inspired by
https://github.com/golang/go/blob/master/src/cmd/compile/internal/ssa/gen/generic.rules
Diffstat (limited to 'src/wasm/wasm-s-parser.cpp')
| -rw-r--r-- | src/wasm/wasm-s-parser.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/wasm/wasm-s-parser.cpp b/src/wasm/wasm-s-parser.cpp index a185e02c3..5635282f7 100644 --- a/src/wasm/wasm-s-parser.cpp +++ b/src/wasm/wasm-s-parser.cpp @@ -760,7 +760,7 @@ Expression* SExpressionWasmBuilder::makeExpression(Element& s) { case 'r': { if (op[1] == 'e') { if (op[2] == 'm') return makeBinary(s, op[4] == 'u' ? BINARY_INT(RemU) : BINARY_INT(RemS), type); - if (op[2] == 'i') return makeUnary(s, isTypeFloat(type) ? (type == f32 ? UnaryOp::ReinterpretInt32 : UnaryOp::ReinterpretInt64) : (type == i32 ? UnaryOp::ReinterpretFloat32 : UnaryOp::ReinterpretFloat64), type); + if (op[2] == 'i') return makeUnary(s, isFloatType(type) ? (type == f32 ? UnaryOp::ReinterpretInt32 : UnaryOp::ReinterpretInt64) : (type == i32 ? UnaryOp::ReinterpretFloat32 : UnaryOp::ReinterpretFloat64), type); } if (op[1] == 'o' && op[2] == 't') { return makeBinary(s, op[3] == 'l' ? BINARY_INT(RotL) : BINARY_INT(RotR), type); |