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Make SSE42 and SSE4A not imply POPCNT. POPCNT should be able to be disabled on its own without disabling SSE4.2 or SSE4A. 

llvm-svn: 147339
This commit is contained in:
Craig Topper 2011-12-29 15:51:45 +00:00
parent d1c9c9bbfd
commit 7bd3305f3e
1 changed files with 2 additions and 3 deletions
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5
llvm/lib/Target/X86/X86.td
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@ -55,7 +55,7 @@ def FeatureSSE41 : SubtargetFeature<"sse41", "X86SSELevel", "SSE41",
[FeatureSSSE3]>;
def FeatureSSE42 : SubtargetFeature<"sse42", "X86SSELevel", "SSE42",
"Enable SSE 4.2 instructions",
[FeatureSSE41, FeaturePOPCNT]>;
[FeatureSSE41]>;
def Feature3DNow : SubtargetFeature<"3dnow", "X863DNowLevel", "ThreeDNow",
"Enable 3DNow! instructions",
[FeatureMMX]>;
@ -77,8 +77,7 @@ def FeatureFastUAMem : SubtargetFeature<"fast-unaligned-mem",
"IsUAMemFast", "true",
"Fast unaligned memory access">;
def FeatureSSE4A : SubtargetFeature<"sse4a", "HasSSE4A", "true",
"Support SSE 4a instructions",
[FeaturePOPCNT]>;
"Support SSE 4a instructions">;
def FeatureAVX : SubtargetFeature<"avx", "HasAVX", "true",
"Enable AVX instructions">;