[PATCH] D127253: [AMDGPU] Use v_mad_u64_u32 for IMAD32
Stanislav Mekhanoshin via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jun 8 09:56:29 PDT 2022
rampitec added inline comments.
================
Comment at: llvm/test/CodeGen/AMDGPU/mad_u64_u32.ll:46
+; GFX9-NEXT: s_mov_b32 s0, 42
+; GFX9-NEXT: v_mad_u64_u32 v[0:1], s[0:1], v0, v1, s[0:1]
+; GFX9-NEXT: ; return to shader part epilog
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foad wrote:
> As a follow up it would be nice if we could fold the "42" into the mad as an inline src2.
Sure. I will take a look why didn't it fold in a followup.
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https://reviews.llvm.org/D127253/new/
https://reviews.llvm.org/D127253
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