[PATCH] D25722: Improved cost model for FDIV and FSQRT

Andrew V. Tischenko via llvm-commits llvm-commits at lists.llvm.org
Tue Oct 25 03:06:58 PDT 2016


avt77 updated this revision to Diff 75679.
avt77 added a comment.

I changed everything except the issue with ymm FDIV. As I wrote in my answer on the comment I'm using Block Throughput from IACA tool. If I'm wrong please say me about and I'll recollect all numbers.


https://reviews.llvm.org/D25722

Files:
  lib/Target/X86/X86TargetTransformInfo.cpp
  test/Analysis/CostModel/X86/arith-fp.ll

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