ok for backport to 11?
________________________________
From: Richard Sandiford <richard.sandif...@arm.com>
Sent: 10 December 2021 10:22
To: Joel Hutton <joel.hut...@arm.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>; Richard Biener <rguent...@suse.de>
Subject: Re: pr103523: Check for PLUS/MINUS support
Joel Hutton <joel.hut...@arm.com> writes:
> Hi all,
>
> This is to address pr103523.
>
> bootstrapped and regression tested on aarch64.
>
> Check for PLUS_EXPR/MINUS_EXPR support in vectorizable_induction.
> PR103523 is an ICE on valid code:
>
> void d(float *a, float b, int c) {
> float e;
> for (; c; c--, e += b)
> a[c] = e;
> }
>
> This is due to not checking for PLUS_EXPR support, which is missing in
> VNx2sf mode. This causes an ICE at expand time. This patch adds a check
> for support in vectorizable_induction.
>
> gcc/ChangeLog:
>
> PR tree-optimization/PR103523
The bugzilla hook expects: PR tree-optimization/103523
> * tree-vect-loop.c (vectorizable_induction): Check for
> PLUS_EXPR/MINUS_EXPR support.
OK, thanks.
Richard
