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(parent: 4fb282f) | patch
[PowerPC] comment for different input register classes; nfc
authorChen Zheng <czhengsz@cn.ibm.com>
Mon, 8 Nov 2021 02:15:51 +0000 (02:15 +0000)
committerChen Zheng <czhengsz@cn.ibm.com>
Mon, 8 Nov 2021 02:21:30 +0000 (02:21 +0000)
commit7c6f5950f08d41017536575152fb765ba85a09a1
tree01a2b7658918a9960ad95110d8711e1c4da77ce1tree | snapshot
parent4fb282fec5ef34d807a88169e1f2a7b3f96bb0e3commit | diff
[PowerPC] comment for different input register classes; nfc

Add comments to explain why XXPERMDIs and XXPERMDI have different input register
classes, vsfrc for XXPERMDIs and vsrc for XXPERMDI.

This addresses the comments in abandoned patch D113178, we keep using `f0` instead
of using `vs0` for XXPERMDIs on purpose.
llvm/lib/Target/PowerPC/PPCInstrVSX.td diff | blob | history
Domain: System / Toolchain;