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| author | Alon Zakai <alonzakai@gmail.com> | 2015-12-23 16:10:06 -0800 |
|---|---|---|
| committer | Alon Zakai <alonzakai@gmail.com> | 2015-12-23 16:10:06 -0800 |
| commit | fa3d3bab09730f7bbce4e6d6889ebda3be3795d6 (patch) | |
| tree | 60c61e360e5bbfd2d80862f93f5bec23372174bb | |
| parent | cef89df8e5ad80a0fb881af31804eef854909552 (diff) | |
| parent | d049ae31248fd3db11717a3ea006c5d1f59c913d (diff) | |
| download | binaryen-fa3d3bab09730f7bbce4e6d6889ebda3be3795d6.tar.gz binaryen-fa3d3bab09730f7bbce4e6d6889ebda3be3795d6.tar.bz2 binaryen-fa3d3bab09730f7bbce4e6d6889ebda3be3795d6.zip | |
Merge pull request #42 from WebAssembly/bits-ub
bits: return 32 on ctz32/clz32 of 0 instead of -1
| -rw-r--r-- | src/bits.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/bits.h b/src/bits.h index 0ae83db3f..98bb96a4f 100644 --- a/src/bits.h +++ b/src/bits.h @@ -81,7 +81,7 @@ template<> inline int CountTrailingZeroes<uint32_t>(uint32_t v) { }; return v ? (int)tbl[((uint32_t)((v & -(int32_t)v) * 0x077CB531U)) >> 27] : - -1; + 32; } template<> inline int CountLeadingZeroes<uint32_t>(uint32_t v) { @@ -99,7 +99,7 @@ template<> inline int CountLeadingZeroes<uint32_t>(uint32_t v) { v = v | (v >> 16); return v ? (int)tbl[((uint32_t)(v * 0x07C4ACDDU)) >> 27] : - -1; + 32; } } // namespace wasm |