[PATCH] D153544: [AMDGPU] Use V_FMA_MIX* more often

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added inline comments.


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Comment at: llvm/lib/Target/AMDGPU/SIInstructions.td:2574
+  (f16 (fadd (f16 (fpround (f32 (fmul f32:$src0, f32:$src1)))), f16:$src2)),
+  (V_FMA_MIXLO_F16 0, $src0, 0, $src1, 0, $src2, 0, $src0, 0, 0)
+>;
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arsenm wrote:
> Does the pattern import in globalisel if you add register class annotations to the output operands?
Also handle the mad_mix case?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D153544/new/

https://reviews.llvm.org/D153544