[PATCH] D23583: [AArch64] Add feature has-fast-fma

Matthias Braun via llvm-commits llvm-commits at lists.llvm.org
Tue Aug 16 15:15:03 PDT 2016


MatzeB added a subscriber: MatzeB.
MatzeB added a comment.

Can you explain in more detail what this is about? I would expect FMA to be as fast or faster than FMUL+FADD pretty much everywhere (oterhwise why would we bother with an extra instruction).


Repository:
  rL LLVM

https://reviews.llvm.org/D23583





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