[all-commits] [llvm/llvm-project] 896557: [X86] Adjust fadd costs to match SoG

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 896557e129c2ca74c8f87ed56e4fc37958eaa130
      https://github.com/llvm/llvm-project/commit/896557e129c2ca74c8f87ed56e4fc37958eaa130
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-05-15 (Sun, 15 May 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86ScheduleZnver1.td
    M llvm/lib/Target/X86/X86ScheduleZnver2.td
    M llvm/test/tools/llvm-mca/X86/Znver1/resources-avx1.s
    M llvm/test/tools/llvm-mca/X86/Znver1/resources-sse1.s
    M llvm/test/tools/llvm-mca/X86/Znver1/resources-sse2.s
    M llvm/test/tools/llvm-mca/X86/Znver1/resources-sse3.s
    M llvm/test/tools/llvm-mca/X86/Znver1/resources-x87.s
    M llvm/test/tools/llvm-mca/X86/Znver2/resources-avx1.s
    M llvm/test/tools/llvm-mca/X86/Znver2/resources-sse1.s
    M llvm/test/tools/llvm-mca/X86/Znver2/resources-sse2.s
    M llvm/test/tools/llvm-mca/X86/Znver2/resources-sse3.s
    M llvm/test/tools/llvm-mca/X86/Znver2/resources-x87.s
    M llvm/test/tools/llvm-mca/X86/fma3-read-after-ld-1.s
    M llvm/test/tools/llvm-mca/X86/fma3-read-after-ld-2.s
    M llvm/test/tools/llvm-mca/X86/variable-blend-read-after-ld-1.s
    M llvm/test/tools/llvm-mca/X86/variable-blend-read-after-ld-2.s

  Log Message:
  -----------
  [X86] Adjust fadd costs to match SoG

znver1/2 models were incorrectly modelling these on fpupipe 0 instead of 2/3 and znver1 ymm variants also require double pumping.

Now matches AMD SoG, Agner and instlatx64 numbers.

Thanks to @fabian-r for the report