arsenm added inline comments.
================
Comment at: llvm/tools/clang/lib/Basic/Targets.cpp:2114-2116
+ static bool hasFullSpeedFP32Denorms(StringRef GPUName) {
+ return parseAMDGCNName(GPUName) >= GK_GFX9;
+ }
----------------
kzhuravl wrote:
> arsenm wrote:
> > This is misleading since it was true on VI as well. I think just FMA rate
> > changed
> Yes, GFX8 supports f32 denorms at full speed too. However, it doesn't have a
> full speed fma, so we didh't enable it then since it caused too many
> mad-heavy apps to slow down.
Yes, so the name should refer to FMA rather than just fp32 denorms
https://reviews.llvm.org/D31482
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