[PATCH] D72814: [AArch64][GlobalISel] Change G_FCONSTANTs feeding into stores into G_CONSTANTS

[Amara Emerson via Phabricator via llvm-commits]

aemerson added a comment.

I think in cases where it's possible to use an fmov with immediate:

  fmov s0, #fpimm
  str s0, [x0]

We should do that over forcing going through GPR. When we go through gpr, there might be fp immediate values which cannot be represented with a single instruction GPR register materialization, instead requiring movk/movz.


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  https://reviews.llvm.org/D72814/new/

https://reviews.llvm.org/D72814