evandro added inline comments.

================
Comment at: llvm/lib/Target/RISCV/RISCVInstrFormats.td:56
+def NoConstraint : RISCVVConstraint<0>;
+def WidenV       : RISCVVConstraint<1>;
+def WidenW       : RISCVVConstraint<2>;
----------------
HsiangKai wrote:
> evandro wrote:
> > Methinks that these constraints `WidenV`, `WidenW`, `WidenCvt`, should be 
> > split up by their components.  IOW, into `Widen`, `Wide` (input), `Cvt`.  
> > This way, it's easier to test for specific constraints.
> Do you mean
> 
> WidenV = Widen;
> WidenW = Widen | WideInput;
> WidenCvt = Widen | Cvt;
Yes.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69987/new/

https://reviews.llvm.org/D69987



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