[PATCH][GCC][SLP][testsuite] Turn off vect-epilogue-nomask for slp-rect-3

[Richard Biener]

On Thu, 28 Nov 2019, Tamar Christina wrote:

> Hi All,
> 
> This patch turns off vect-epilogue-nomask for slp-reduc-3 as it seems that
> the epiloque in this loop is vectorizable using SLP and smaller VF.  Since this
> test expects there to be no SLP vectorization at all the testcase then fails
> for arm targets.

Actually we do expect SLP vectorization, just the counting might go wrong.

What's the actual FAIL for arm?

Disabling epilogue vect is of course OK if it simplifies things.

> Regtested on arm-none-eabi and no issues.
> 
> Ok for trunk?

> Thanks,
> Tamar
> 
> gcc/testsuite/ChangeLog:
> 
> 2019-11-28  Tamar Christina  <tamar.christina@arm.com>
> 
> 	* gcc.dg/vect/slp-reduc-3.c: Turn off epilogue-nomask.
> 
> 

-- 
Richard Biener <rguenther@suse.de>
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