[PATCH] D51706: ARM64: improve non-zero memset isel by ~2x

Eli Friedman via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Sep 5 16:44:33 PDT 2018


efriedma added a comment.

If I'm understanding correctly, the reason the f128 operations aren't efficient is that float immediate lowering doesn't know how to use movi?  That seems like it would be more straightforward to solve by fixing the float immediate lowering, rather than messing with memset lowering.


Repository:
  rL LLVM

https://reviews.llvm.org/D51706





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