diff options
| author | Aaron Ballman <aaron@aaronballman.com> | 2013-01-17 18:27:30 +0000 |
|---|---|---|
| committer | Aaron Ballman <aaron@aaronballman.com> | 2013-01-17 18:27:30 +0000 |
| commit | 67828056ddfcfe089f9b5448839137508e39ac32 (patch) | |
| tree | 12a0c0d6126a14cd0a7e9a15d5d31991ab1868d9 /include | |
| parent | 792b1233384da442e6c75cf580bd1927123a56f3 (diff) | |
Reverting back to the fallback instead of using popcnt; this instruction doesn't exist on all CPU architectures. Fixes PR14982
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172734 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/Support/MathExtras.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/include/llvm/Support/MathExtras.h b/include/llvm/Support/MathExtras.h index b8631a5697..340b7741b1 100644 --- a/include/llvm/Support/MathExtras.h +++ b/include/llvm/Support/MathExtras.h @@ -303,8 +303,6 @@ inline unsigned CountTrailingOnes_64(uint64_t Value) { inline unsigned CountPopulation_32(uint32_t Value) { #if __GNUC__ >= 4 return __builtin_popcount(Value); -#elif defined(_MSC_VER) - return __popcnt(Value); #else uint32_t v = Value - ((Value >> 1) & 0x55555555); v = (v & 0x33333333) + ((v >> 2) & 0x33333333); |