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From: "ro at CeBiTec dot Uni-Bielefeld.DE" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/62283] basic-block vectorization fails
Date: Mon, 01 Sep 2014 14:29:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62283

--- Comment #14 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> ---
> --- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> ---
> (In reply to Rainer Orth from comment #12)
>> Created attachment 33426 [details]
>> vect dump
>> 
>> Sure, I meant to but forgot...
>
> Ok:
>
> /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/vect/vect-33.c:19:3: note:
> vectorization factor = 8
>
> so we have a vector of 8 chars, v8qi but vect64 is not enabled for SPARC?
> (target-supports.exp).  The { ! vect64 } / && vect64 cases were supposed
> to catch the case where vectorization uses v8qi (instead of the more
> common v16qi).
>
> So ... can you test enabling vect64 for sparc?

While it works for the test at hand, the two other tests using vect64
(bb-slp-11.c and bb-slp-26.c) now FAIL:

FAIL: gcc.dg/vect/bb-slp-11.c scan-tree-dump-times slp2 "basic block
vectorized" 1
FAIL: gcc.dg/vect/bb-slp-26.c scan-tree-dump-times slp1 "basic block
vectorized" 1

    Rainer