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

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Fri Oct 28 09:13:16 PDT 2016

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RKSimon added a comment.

I think this is almost done now - please can you add the AVX2/Haswell costs:

Haswell
FDIV f32/4f32 = 7, 8f32 = 14, f64/2f64 = 14, 4f64 = 28
FSQRT f32/4f32 = 7, 8f32 = 14, f64/2f64 = 14, 4f64 = 28

Other than that does anyone have any additional feedback?


https://reviews.llvm.org/D25722

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