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| author | Richard Biener <rguenther@suse.de> | 2016-09-21 07:37:18 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-09-21 07:37:18 +0000 |
| commit | f955c4c4837a491a8e8c3962867f276a94125dde (patch) | |
| tree | 911145e7d1623298e8ba595ddad6269fe773491f /gcc/tree-vect-data-refs.c | |
| parent | 096506bb6e4bea8d0f8beafb5eff866e4a7ce3fe (diff) | |
| download | gcc-f955c4c4837a491a8e8c3962867f276a94125dde.zip gcc-f955c4c4837a491a8e8c3962867f276a94125dde.tar.gz gcc-f955c4c4837a491a8e8c3962867f276a94125dde.tar.bz2 | |
re PR tree-optimization/77621 (Internal compiler error for mtune=atom + msse2)
2016-09-21 Richard Biener <rguenther@suse.de>
Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/77621
* tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Split
group at non-vectorizable stmts.
* gcc.dg/pr77621.c: New testcase.
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r240302
Diffstat (limited to 'gcc/tree-vect-data-refs.c')
| -rw-r--r-- | gcc/tree-vect-data-refs.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c index 03c4a66..7c5f101 100644 --- a/gcc/tree-vect-data-refs.c +++ b/gcc/tree-vect-data-refs.c @@ -2711,10 +2711,17 @@ vect_analyze_data_ref_accesses (vec_info *vinfo) data_reference_p dra = datarefs_copy[i]; stmt_vec_info stmtinfo_a = vinfo_for_stmt (DR_STMT (dra)); stmt_vec_info lastinfo = NULL; + if (! STMT_VINFO_VECTORIZABLE (stmtinfo_a)) + { + ++i; + continue; + } for (i = i + 1; i < datarefs_copy.length (); ++i) { data_reference_p drb = datarefs_copy[i]; stmt_vec_info stmtinfo_b = vinfo_for_stmt (DR_STMT (drb)); + if (! STMT_VINFO_VECTORIZABLE (stmtinfo_b)) + break; /* ??? Imperfect sorting (non-compatible types, non-modulo accesses, same accesses) can lead to a group to be artificially |