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[AMDGPU] Tweak VOP3_INTERP16 profile

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Set the output register class based on the output type, instead of
hard-coding VGPR_32. I think this is more correct. It doesn't make any
difference at the moment because we use the same class for 16- and
32-bit results, but it might in future if we make more use of true
16-bit register classes.

Differential Revision: https://reviews.llvm.org/D102622
This commit is contained in:
Jay Foad 2021-05-14 13:38:47 +01:00
parent 6af6b413bf
commit 257b9bc0d9
1 changed files with 1 additions and 1 deletions
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2
lib/Target/AMDGPU/VOP3Instructions.td
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@ -264,7 +264,7 @@ class VOP3_INTERP16 <list<ValueType> ArgVT> : VOPProfile<ArgVT> {
let HasOMod = !ne(DstVT.Value, f16.Value);
let HasHigh = 1;
let Outs64 = (outs VGPR_32:$vdst);
let Outs64 = (outs DstRC.RegClass:$vdst);
let Ins64 = getInterp16Ins<HasSrc2, HasOMod, Src0Mod, Src2Mod>.ret;
let Asm64 = getInterp16Asm<HasSrc2, HasOMod>.ret;
}