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[X86] SSE4_A should only imply SSE3 not SSSE3 in the frontend.

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SSE4_1 and SSE4_2 due imply SSSE3. So I guess I got confused when
switching the code to being table based in D83273.

Fixes PR47464
This commit is contained in:
Craig Topper 2020-09-08 10:49:32 -07:00
parent 88dabfb171
commit 658b9fe735
1 changed files with 1 additions and 1 deletions
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lib/Support/X86TargetParser.cpp
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@ -529,7 +529,7 @@ static constexpr FeatureBitset ImpliedFeaturesAVX5124FMAPS = {};
static constexpr FeatureBitset ImpliedFeaturesAVX5124VNNIW = {};
// SSE4_A->FMA4->XOP chain.
static constexpr FeatureBitset ImpliedFeaturesSSE4_A = FeatureSSSE3;
static constexpr FeatureBitset ImpliedFeaturesSSE4_A = FeatureSSE3;
static constexpr FeatureBitset ImpliedFeaturesFMA4 = FeatureAVX | FeatureSSE4_A;
static constexpr FeatureBitset ImpliedFeaturesXOP = FeatureFMA4;