From f50602c3b20810a6f83fc178145b99aaba478766 Mon Sep 17 00:00:00 2001 From: Alon Zakai Date: Thu, 5 Nov 2015 10:15:31 -0800 Subject: fix overflow check --- src/wasm-interpreter.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'src') 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: -- cgit v1.2.3