[all-commits] [llvm/llvm-project] e5abaf: [X86] Fix SLM uops counts for WriteBitTestSetRegRM...
Simon Pilgrim via All-commits
all-commits at lists.llvm.org
Mon Dec 19 10:21:51 PST 2022
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: e5abaf8decf26c0b07340e819b75070d24986fd1
https://github.com/llvm/llvm-project/commit/e5abaf8decf26c0b07340e819b75070d24986fd1
Author: Simon Pilgrim <llvm-dev at redking.me.uk>
Date: 2022-12-19 (Mon, 19 Dec 2022)
Changed paths:
M llvm/lib/Target/X86/X86ScheduleSLM.td
M llvm/test/tools/llvm-mca/X86/SLM/resources-x86_64.s
Log Message:
-----------
[X86] Fix SLM uops counts for WriteBitTestSetRegRMW instructions
The set/reset/complement RMW variants use +1uop compared to the BT read-only instructions
Based off llvm-exegesis captures, confirmed with Agner + uops.info
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