diff options
Diffstat (limited to 'src/wasm2asm.h')
| -rw-r--r-- | src/wasm2asm.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/wasm2asm.h b/src/wasm2asm.h index 53cb6df78..1a85bc177 100644 --- a/src/wasm2asm.h +++ b/src/wasm2asm.h @@ -22,6 +22,8 @@ #ifndef wasm_wasm2asm_h #define wasm_wasm2asm_h +#include <cmath> + #include "wasm.h" #include "emscripten-optimizer/optimizer.h" #include "mixed_arena.h" @@ -914,7 +916,7 @@ Ref Wasm2AsmBuilder::processFunctionBody(Expression* curr, IString result) { } case f64: { double d = curr->value.f64; - if (d == 0 && 1/d < 0) { // negative zero + if (d == 0 && std::signbit(d)) { // negative zero return ValueBuilder::makeUnary(PLUS, ValueBuilder::makeUnary(MINUS, ValueBuilder::makeDouble(0))); } return ValueBuilder::makeUnary(PLUS, ValueBuilder::makeDouble(curr->value.f64)); |