git: f5f773059e05 - stable/12 - Merge commit e6bb4c8e7 from llvm git (by Craig Topper):

The branch stable/12 has been updated by dim:

URL: https://cgit.FreeBSD.org/src/commit/?id=f5f773059e05823dfe7b92e659ba5f0218ba46a3

commit f5f773059e05823dfe7b92e659ba5f0218ba46a3
Author:     Dimitry Andric <dim@FreeBSD.org>
AuthorDate: 2020-09-09 18:11:04 +0000
Commit:     Dimitry Andric <dim@FreeBSD.org>
CommitDate: 2021-12-22 10:01:16 +0000

    Merge commit e6bb4c8e7 from llvm git (by Craig Topper):
    
      [X86] SSE4_A should only imply SSE3 not SSSE3 in the frontend.
    
      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 should fix builds with -march=amdfam10 emitting SSSE3 instructions
    such as pshufb, which lead to programs crashing with SIGILL on such
    processors.
    
    Reported by:    avg
    MFC after:      6 weeks
    X-MFC-With:     r364284
    
    (cherry picked from commit 9fc62ba649126f546c7d6bd09ab44d147b3d8ff6)
---
 contrib/llvm-project/llvm/lib/Support/X86TargetParser.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/llvm-project/llvm/lib/Support/X86TargetParser.cpp b/contrib/llvm-project/llvm/lib/Support/X86TargetParser.cpp
index c629f872df12..4c2d4efbfca8 100644
--- a/contrib/llvm-project/llvm/lib/Support/X86TargetParser.cpp
+++ b/contrib/llvm-project/llvm/lib/Support/X86TargetParser.cpp
@@ -522,7 +522,7 @@ 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;