[PATCH] D83937: [Power] Set the mayRaiseFPException for FCMPUS/FCMPUD

[Qing Shan Zhang via Phabricator via llvm-commits]

steven.zhang planned changes to this revision.
steven.zhang added a comment.

In D83937#2251316 <https://reviews.llvm.org/D83937#2251316>, @qiucf wrote:

>   define i32 @test(double %a, double %b) {
>   entry:
>     %r = fcmp ogt double %a, %b
>     %g = zext i1 %r to i32
>     ret i32 %g
>   }
>
> Print MIR:
>
>   renamable $cr0 = FCMPUD killed renamable $f1, killed renamable $f2 # Without mayRaise set
>   renamable $cr0 = nofpexcept FCMPUD killed renamable $f1, killed renamable $f2 # With mayRaise set
>
> You can create a dedicated test file for fp-exception bit, so that we can re-check all fp-exception bits in instruction definitions.

Thanks for the comments. I will update it.


Repository:
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  https://reviews.llvm.org/D83937/new/

https://reviews.llvm.org/D83937