[PATCH] D64119: [PowerPC] Support constraint code "ww"

[Fangrui Song via Phabricator via cfe-commits]

MaskRay marked an inline comment as done.
MaskRay added inline comments.


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Comment at: llvm/lib/Target/PowerPC/PPCISelLowering.cpp:14080
     return std::make_pair(0U, &PPC::VSRCRegClass);
-  } else if (Constraint == "ws" && Subtarget.hasVSX()) {
+  } else if ((Constraint == "ws" || Constraint == "ww") && Subtarget.hasVSX()) {
     if (VT == MVT::f32 && Subtarget.hasP8Vector())
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jsji wrote:
> Should we exclude `FP` for `ws` and return `VFRCRegClass` instead of `VSFRCRegClass` ?
Can you elaborate on what I should do? I'm not familiar with the register info stuff...


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  https://reviews.llvm.org/D64119/new/

https://reviews.llvm.org/D64119