diff options
Diffstat (limited to 'src/wasm-interpreter.h')
| -rw-r--r-- | src/wasm-interpreter.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/wasm-interpreter.h b/src/wasm-interpreter.h index 3fa83b863..eb0ba9c19 100644 --- a/src/wasm-interpreter.h +++ b/src/wasm-interpreter.h @@ -411,8 +411,9 @@ private: float v = value.getf32(); float ret; switch (curr->op) { - case Neg: ret = -v; break; - case Abs: return Literal(value.reinterpreti32() & 0x7fffffff).castToF32(); break; // operate on bits directly, to avoid signalling bit being set on a float + // operate on bits directly, to avoid signalling bit being set on a float + case Neg: return Literal(value.reinterpreti32() ^ 0x80000000).castToF32(); break; + case Abs: return Literal(value.reinterpreti32() & 0x7fffffff).castToF32(); break; case Ceil: ret = std::ceil(v); break; case Floor: ret = std::floor(v); break; case Trunc: ret = std::trunc(v); break; @@ -430,8 +431,9 @@ private: double v = value.getf64(); double ret; switch (curr->op) { - case Neg: ret = -v; break; - case Abs: return Literal(value.reinterpreti64() & 0x7fffffffffffffffUL).castToF64(); break; // operate on bits directly, to avoid signalling bit being set on a float + // operate on bits directly, to avoid signalling bit being set on a float + case Neg: return Literal(value.reinterpreti64() ^ 0x8000000000000000UL).castToF64(); break; + case Abs: return Literal(value.reinterpreti64() & 0x7fffffffffffffffUL).castToF64(); break; case Ceil: ret = std::ceil(v); break; case Floor: ret = std::floor(v); break; case Trunc: ret = std::trunc(v); break; |