[all-commits] [llvm/llvm-project] 05f56f: [X86] Fix VPPERM load folding latency
Simon Pilgrim via All-commits
all-commits at lists.llvm.org
Fri Sep 9 05:58:10 PDT 2022
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: 05f56f10ed84dc56bb4fb686c4630aeb4dcbca0b
https://github.com/llvm/llvm-project/commit/05f56f10ed84dc56bb4fb686c4630aeb4dcbca0b
Author: Simon Pilgrim <llvm-dev at redking.me.uk>
Date: 2022-09-09 (Fri, 09 Sep 2022)
Changed paths:
M llvm/lib/Target/X86/X86ScheduleBdVer2.td
M llvm/test/tools/llvm-mca/X86/BdVer2/resources-xop.s
Log Message:
-----------
[X86] Fix VPPERM load folding latency
Noticed while investigating BITREVERSE cost numbers with the D103695 script - VPPERM folded loads was using the WriteVarShuffleX defaults and was missing an override like the VPPERM reg-reg variants
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