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[Bug tree-optimization/48290] FAIL: gcc.dg/vect/pr38529.c, ICE in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1072
- From: "rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 29 Mar 2011 09:22:17 +0000
- Subject: [Bug tree-optimization/48290] FAIL: gcc.dg/vect/pr38529.c, ICE in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1072
- Auto-submitted: auto-generated
- References: <bug-48290-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48290
--- Comment #7 from rguenther at suse dot de <rguenther at suse dot de> 2011-03-29 09:22:15 UTC ---
On Mon, 28 Mar 2011, dominiq at lps dot ens.fr wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48290
>
> --- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-03-28 18:26:52 UTC ---
> The patch in comment #3 fixes the ICE, but the test still fails:
>
> FAIL: gcc.dg/vect/pr38529.c scan-tree-dump-times vect "OUTER LOOP VECTORIZED" 1
>
> Compiling with -Ofast -ftree-vectorizer-verbose=2 I get
>
> /opt/gcc/_clean/gcc/testsuite/gcc.dg/vect/pr38529.c:11: note: not vectorized:
> unsupported data-type
> /opt/gcc/_clean/gcc/testsuite/gcc.dg/vect/pr38529.c:6: note: vectorized 0 loops
> in function.
That's expected. I suppose the testcase is no longer testing what it
was supposed to test (even before, as LIM was applying store-sinking to
the store).