[all-commits] [llvm/llvm-project] e89b4b: [X86] Remove SlowDivide tuning from GRTTuning (#84...

[Phoebe Wang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e89b4bcf32b8f6ddce9d7e95659e9f092a55c021
      https://github.com/llvm/llvm-project/commit/e89b4bcf32b8f6ddce9d7e95659e9f092a55c021
  Author: Phoebe Wang <phoebe.wang at intel.com>
  Date:   2024-03-12 (Tue, 12 Mar 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86.td
    M llvm/test/CodeGen/X86/bypass-slow-division-tune.ll

  Log Message:
  -----------
  [X86] Remove SlowDivide tuning from GRTTuning (#84676)

The DIV32/64 throughput was improved since Goldmont in the Atom
architecture. The Alder Lake-E shows similar number too. So we shouldn't
add such tunings to Gracemont and later products.

Checked from Agner Fog's table and uops.info.



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