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| author | Craig Topper <craig.topper@gmail.com> | 2013-09-08 00:47:31 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2013-09-08 00:47:31 +0000 |
| commit | 0a63e1da92b608fe8638c66efd07bd50804eb5fe (patch) | |
| tree | f828ca59aa5341f1eef975e3e5d3f2a779e4ea97 | |
| parent | 37c921e354265c833956877d9ad235a50828f61a (diff) | |
| download | bcm5719-llvm-0a63e1da92b608fe8638c66efd07bd50804eb5fe.tar.gz bcm5719-llvm-0a63e1da92b608fe8638c66efd07bd50804eb5fe.zip | |
Using popcount should check the popcount feature flag not the SSE41 feature flag.
llvm-svn: 190258
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetTransformInfo.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp index 5f81d338720..935a6da5d55 100644 --- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp +++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp @@ -127,8 +127,8 @@ X86TTI::PopcntSupportKind X86TTI::getPopcntSupport(unsigned TyWidth) const { assert(isPowerOf2_32(TyWidth) && "Ty width must be power of 2"); // TODO: Currently the __builtin_popcount() implementation using SSE3 // instructions is inefficient. Once the problem is fixed, we should - // call ST->hasSSE3() instead of ST->hasSSE4(). - return ST->hasSSE41() ? PSK_FastHardware : PSK_Software; + // call ST->hasSSE3() instead of ST->hasPOPCNT(). + return ST->hasPOPCNT() ? PSK_FastHardware : PSK_Software; } unsigned X86TTI::getNumberOfRegisters(bool Vector) const { |
