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| author | Alon Zakai <alonzakai@gmail.com> | 2015-11-05 10:15:31 -0800 |
|---|---|---|
| committer | Alon Zakai <alonzakai@gmail.com> | 2015-11-05 10:15:31 -0800 |
| commit | f50602c3b20810a6f83fc178145b99aaba478766 (patch) | |
| tree | 79f90149522c7cb7e599417514e6139b38b1974b /src/wasm-interpreter.h | |
| parent | 2266390bc8055693b26438ddd3544a8cb20d0db0 (diff) | |
| download | binaryen-f50602c3b20810a6f83fc178145b99aaba478766.tar.gz binaryen-f50602c3b20810a6f83fc178145b99aaba478766.tar.bz2 binaryen-f50602c3b20810a6f83fc178145b99aaba478766.zip | |
fix overflow check
Diffstat (limited to 'src/wasm-interpreter.h')
| -rw-r--r-- | src/wasm-interpreter.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/wasm-interpreter.h b/src/wasm-interpreter.h index b8fcf2509..55eb2e269 100644 --- a/src/wasm-interpreter.h +++ b/src/wasm-interpreter.h @@ -367,8 +367,9 @@ public: if (val > (double)INT_MAX || val < (double)INT_MIN) instance.externalInterface->trap(); return Flow(Literal(int32_t(val))); } else { - if (val > (double)LLONG_MAX || val < (double)LLONG_MIN) instance.externalInterface->trap(); - return Flow(Literal(int64_t(val))); + int64_t converted = val; + if ((val > 0 && converted <= 0) || val < (double)LLONG_MIN) instance.externalInterface->trap(); + return Flow(Literal(converted)); } } case TruncUFloat32: |