[Bug target/95969] Use of __builtin_aarch64_im_lane_boundsi in AArch64 arm_neon.h interferes with gimple optimisation

ktkachov at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Sep 2 08:28:43 GMT 2021


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95969

ktkachov at gcc dot gnu.org changed:

           What    |Removed                     |Added
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                 CC|                            |ktkachov at gcc dot gnu.org

--- Comment #4 from ktkachov at gcc dot gnu.org ---
(In reply to Andrew Pinski from comment #3)
> Created attachment 51396 [details]
> Patch
> 
> Simple patch which adds both generic and gimple level folding for
> __builtin_aarch64_im_lane_boundsi.
> In this case (and most likely others), __builtin_aarch64_im_lane_boundsi is
> removed during early inlining so it will fix the majority of the issue.

looks like the wrong patch was attached?


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