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Attempt to fix Win32 build by avoiding a compiler intrinsic.

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TBR=mstarzinger@chromium.org
Review URL: https://chromiumcodereview.appspot.com/10198020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11428 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
fschneider@chromium.org 2012-04-24 16:37:43 +00:00
parent 6e713a269d
commit e07be0b068
1 changed files with 0 additions and 7 deletions
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7
src/compiler-intrinsics.h
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@ -76,11 +76,6 @@ int CompilerIntrinsics::CountLeadingZeros(uint32_t value) {
}
int CompilerIntrinsics::CountSetBits(uint32_t value) {
// __popcnt is only supported from VS2008.
#define _MSC_VER_VS2008 1500
#if _MSC_VER >= _MSC_VER_VS2008
return __popcnt(value);
#else
// Manually count set bits.
value = ((value >> 1) & 0x55555555) + (value & 0x55555555);
value = ((value >> 2) & 0x33333333) + (value & 0x33333333);
@ -88,8 +83,6 @@ int CompilerIntrinsics::CountSetBits(uint32_t value) {
value = ((value >> 8) & 0x00ff00ff) + (value & 0x00ff00ff);
value = ((value >> 16) & 0x0000ffff) + (value & 0x0000ffff);
return value;
#endif
#undef _MSC_VER_VS2008
}
#else