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authorDorit Naishlos <dorit@il.ibm.com>2004-11-22 13:41:57 +0000
committerDorit Nuzman <dorit@gcc.gnu.org>2004-11-22 13:41:57 +0000
commit2fa2d802da69601c9945dbb988aa29e5567bd8d5 (patch)
treeebe95a30cedf7676f2ce0a09da0fd04aa5d65946 /gcc/tree-vectorizer.c
parentb94d4fe027fdcba6d1ffb48fb9b07e3b11de2670 (diff)
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re PR tree-optimization/18544 (ICE with -ftree-vectorize)
PR tree-opt/18544 * tree-vectorizer.c (vect_analyze_data_refs): Fail if memtag not found. From-SVN: r91011
Diffstat (limited to 'gcc/tree-vectorizer.c')
-rw-r--r--gcc/tree-vectorizer.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c
index 7793b0b..61c22e8 100644
--- a/gcc/tree-vectorizer.c
+++ b/gcc/tree-vectorizer.c
@@ -5057,10 +5057,15 @@ vect_analyze_data_refs (loop_vec_info loop_vinfo)
case ARRAY_REF:
dr = analyze_array (stmt, TREE_OPERAND (symbl, 0),
DR_IS_READ(dr));
- STMT_VINFO_MEMTAG (stmt_info) =
- vect_get_base_and_bit_offset (dr, DR_BASE_NAME (dr), NULL_TREE,
- loop_vinfo, &offset,
- &base_aligned_p);
+ tag = vect_get_base_and_bit_offset (dr, DR_BASE_NAME (dr),
+ NULL_TREE, loop_vinfo, &offset, &base_aligned_p);
+ if (!tag)
+ {
+ if (vect_debug_stats (loop) || vect_debug_details (loop))
+ fprintf (dump_file, "not vectorized: no memtag for ref.");
+ return false;
+ }
+ STMT_VINFO_MEMTAG (stmt_info) = tag;
break;
case VAR_DECL: