[PATCH] D43414: AMDGPU: Define FP_FAST_FMA{F} macros for amdgcn
Tony Tye via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Feb 16 14:54:28 PST 2018
t-tye added a subscriber: b-sumner.
t-tye added inline comments.
================
Comment at: lib/Basic/Targets/AMDGPU.cpp:345-348
+ if (getTriple().getArch() == llvm::Triple::amdgcn) {
+ Builder.defineMacro("FP_FAST_FMA");
+ Builder.defineMacro("FP_FAST_FMAF");
+ }
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Do all amdgcn targets have fast FMA? @b-sumner can you clarify?
https://reviews.llvm.org/D43414
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