| Issue |
143679
|
| Summary |
[X86] VPTERNLOG asm comments don't discriminate between full / broadcast memory loads
|
| Labels |
good first issue,
backend:X86
|
| Assignees |
|
| Reporter |
RKSimon
|
The printPTERNLOGComments helper in X86InstComments.cpp print "mem" for any folded memory load
https://github.com/llvm/llvm-project/blob/79a72c47d09c2e2cee645430f9d290c20d2618f1/llvm/lib/Target/X86/MCTargetDesc/X86InstComments.cpp#L915-L948
It would be very useful if instead they use "mem" just for full width loads and "bst32" / "bst64" for 32-bit (D) / 64-bit (Q) broadcasts.
This requires some minor tweaks to the switch statement to split the D/Q cases and an adjustment in the Src3Name handling.
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