[llvm] 83503ad - [X86] Remove FeatureSSE3 from the implies list of HasFastHorizontalOps.

Craig Topper via llvm-commits llvm-commits at lists.llvm.org
Fri Nov 1 23:18:08 PDT 2019


Author: Craig Topper
Date: 2019-11-01T23:17:53-07:00
New Revision: 83503ad1196549ee6cc6d43e7f8db7eaaa6afbc6

URL: https://github.com/llvm/llvm-project/commit/83503ad1196549ee6cc6d43e7f8db7eaaa6afbc6
DIFF: https://github.com/llvm/llvm-project/commit/83503ad1196549ee6cc6d43e7f8db7eaaa6afbc6.diff

LOG: [X86] Remove FeatureSSE3 from the implies list of HasFastHorizontalOps.

HasFastHorizontalOps is a tuning flag. It shouldn't imply an ISA flag.

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86.td

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/X86/X86.td b/llvm/lib/Target/X86/X86.td
index e7611616d10b..44be46ef41c4 100644
--- a/llvm/lib/Target/X86/X86.td
+++ b/llvm/lib/Target/X86/X86.td
@@ -443,7 +443,7 @@ def FeatureFastHorizontalOps
     : SubtargetFeature<
         "fast-hops", "HasFastHorizontalOps", "true",
         "Prefer horizontal vector math instructions (haddp, phsub, etc.) over "
-        "normal vector instructions with shuffles", [FeatureSSE3]>;
+        "normal vector instructions with shuffles">;
 
 def FeatureFastScalarShiftMasks
     : SubtargetFeature<


        


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