https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112935
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
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See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=111126
--- Comment #18 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Xi Ruoyao from comment #16)
> BTW is it possible to get the value range info of (x) and combine (and y,
> (neg x)) back to maskeqz in LoongArch backend? It will further improve the
> performance. Or maybe expr.cc should invoke a target hook to see if (mul x,
> y) should be expanded to (if_then_else x, y, 0) instead when x is in {0, 1}.
That would be PR 111126 because RISCV backend has the same issue. I will be
fixing that but most likely for GCC 15 as I am going to fix the regression
here.
