[PATCH] D53671: [X86] Remove some uarch tuning flags from KNL that look to have been inherited from SNB/IVB incorrectly

Phabricator via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Oct 25 10:31:53 PDT 2018


This revision was automatically updated to reflect the committed changes.
Closed by commit rL345285: [X86] Remove some uarch tuning flags from KNL that look to have been inherited… (authored by ctopper, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D53671?vs=170981&id=171139#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D53671

Files:
  llvm/trunk/lib/Target/X86/X86.td
  llvm/trunk/test/CodeGen/X86/avx512-select.ll


Index: llvm/trunk/test/CodeGen/X86/avx512-select.ll
===================================================================
--- llvm/trunk/test/CodeGen/X86/avx512-select.ll
+++ llvm/trunk/test/CodeGen/X86/avx512-select.ll
@@ -16,8 +16,8 @@
 ;
 ; X64-LABEL: select00:
 ; X64:       # %bb.0:
-; X64-NEXT:    vpxor %xmm1, %xmm1, %xmm1
 ; X64-NEXT:    cmpl $255, %edi
+; X64-NEXT:    vpxor %xmm1, %xmm1, %xmm1
 ; X64-NEXT:    je .LBB0_2
 ; X64-NEXT:  # %bb.1:
 ; X64-NEXT:    vmovdqa64 %zmm0, %zmm1
@@ -44,8 +44,8 @@
 ;
 ; X64-LABEL: select01:
 ; X64:       # %bb.0:
-; X64-NEXT:    vpxor %xmm1, %xmm1, %xmm1
 ; X64-NEXT:    cmpl $255, %edi
+; X64-NEXT:    vpxor %xmm1, %xmm1, %xmm1
 ; X64-NEXT:    je .LBB1_2
 ; X64-NEXT:  # %bb.1:
 ; X64-NEXT:    vmovdqa64 %zmm0, %zmm1
Index: llvm/trunk/lib/Target/X86/X86.td
===================================================================
--- llvm/trunk/lib/Target/X86/X86.td
+++ llvm/trunk/lib/Target/X86/X86.td
@@ -823,11 +823,7 @@
   FeatureXSAVEOPT,
   FeatureLAHFSAHF,
   FeatureSlow3OpsLEA,
-  FeatureFastScalarFSQRT,
-  FeatureFastSHLDRotate,
   FeatureSlowIncDec,
-  FeatureMergeToThreeWayBranch,
-  FeatureMacroFusion,
   FeatureRDRAND,
   FeatureF16C,
   FeatureFSGSBase,


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