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authorJF Bastien <jfb@chromium.org>2015-12-23 16:15:28 -0800
committerJF Bastien <jfb@chromium.org>2015-12-23 16:15:28 -0800
commit686551ec7012aa293730c4836edfe3003b519d95 (patch)
tree12cefd6c30de265532452e4edc74c7af51689f7c /src/wasm-interpreter.h
parentfa3d3bab09730f7bbce4e6d6889ebda3be3795d6 (diff)
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clz32: handle 0 as with ctz
Diffstat (limited to 'src/wasm-interpreter.h')
-rw-r--r--src/wasm-interpreter.h4
1 files changed, 3 insertions, 1 deletions
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));