[PATCH] D44924: [X86] Add WriteFMOVMSK/WriteVecMOVMSK scheduler classes

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Mar 27 07:09:56 PDT 2018


RKSimon added inline comments.


================
Comment at: lib/Target/X86/X86SchedBroadwell.td:300
                                            "MMX_MOVD64grr",
-                                           "MMX_PMOVMSKBrr",
                                            "MMX_PSLLDri",
----------------
courbet wrote:
> I'm measuring a latency of 1 for MMX_PMOVMSKBrr, removing the override would break this.
Should I put the override back for Haswell/SandyBridge?


Repository:
  rL LLVM

https://reviews.llvm.org/D44924





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