[all-commits] [llvm/llvm-project] a305d8: [X86] Adjust fsetcc/fmin/fmax costs to match SoG (...
Simon Pilgrim via All-commits
all-commits at lists.llvm.org
Thu Apr 14 05:28:30 PDT 2022
Author: Simon Pilgrim <llvm-dev at redking.me.uk>
Date: 2022-04-14 (Thu, 14 Apr 2022)
[X86] Adjust fsetcc/fmin/fmax costs to match SoG (Issue #54889)
znver1/2 models were incorrectly modelling these as 3 cycle latency instructions on the wrong pipe and znver1 ymm variants also require double pumping.
Now matches AMD SoG, Agner and instlatx64 numbers.
Thanks to @fabian-r for the report
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