[PATCH] D130832: [X86][BF16] Make backend type bf16 to follow the psABI
Phoebe Wang via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Aug 4 22:38:36 PDT 2022
pengfei added inline comments.
================
Comment at: llvm/lib/Target/X86/X86ISelLowering.cpp:2440
+ VT.getVectorElementType() == MVT::bf16)
+ return TypeSoftenFloat;
+
----------------
craig.topper wrote:
> craig.topper wrote:
> > What does it mean to Soften a vector?
> It doesn't appear in the switch in TargetLoweringBase::computeRegisterProperties right after the call to getPreferredVectorAction
Good question. I think I tried this way but found it doesn't work currently and there're lots work to do to go this way. I must forget to delete it.
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CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D130832/new/
https://reviews.llvm.org/D130832
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