[r12-2789 Regression] FAIL: gcc.dg/tree-ssa/gen-vect-11b.c scan-tree-dump-times vect "vectorized 0 loops" 1 on Linux/x86_64

Jeff Law jeffreyalaw@gmail.com
Sat Aug 7 22:58:04 GMT 2021



On 8/6/2021 11:24 PM, Jeff Law wrote:
>
>
> On 8/6/2021 2:59 PM, sunil.k.pandey via Gcc-patches wrote:
>> On Linux/x86_64,
>>
>> f31da42e047e8018ca6ad9809273bc7efb6ffcaf is the first bad commit
>> commit f31da42e047e8018ca6ad9809273bc7efb6ffcaf
>> Author: Richard Biener <rguenther@suse.de>
>> Date:   Fri Aug 6 14:39:05 2021 +0200
>>
>>      tree-optimization/101801 - remove vect_worthwhile_without_simd_p
>>
>> caused
>>
>> FAIL: gcc.dg/tree-ssa/gen-vect-11b.c scan-tree-dump-times vect 
>> "vectorized 0 loops" 1
> Note I'm seeing this on some of the embedded targets as well. Just to 
> pick one, xstormy16-elf.  There are certainly others though.
This change is also causing execution errors for gcc.dg/sabd_1.c on 
bfin-elf, cris-elf, and rx-elf.

Jeff



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