From 686551ec7012aa293730c4836edfe3003b519d95 Mon Sep 17 00:00:00 2001 From: JF Bastien Date: Wed, 23 Dec 2015 16:15:28 -0800 Subject: clz32: handle 0 as with ctz --- src/wasm-interpreter.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/wasm-interpreter.h') diff --git a/src/wasm-interpreter.h b/src/wasm-interpreter.h index 0d32dcf52..9e4f38d1a 100644 --- a/src/wasm-interpreter.h +++ b/src/wasm-interpreter.h @@ -360,7 +360,9 @@ private: if (value.type == i32) { int32_t v = value.geti32(); switch (curr->op) { - case Clz: return Literal(CountLeadingZeroes((uint32_t)v)); + case Clz: + if (v == 0) return Literal(32); + return Literal(CountLeadingZeroes((uint32_t)v)); case Ctz: { if (v == 0) return Literal(32); return Literal(CountTrailingZeroes((uint32_t)v)); -- cgit v1.2.3