diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-vectorizer.c | 13 |
2 files changed, 14 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7e130c9..a1666ee 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-11-22 Dorit Naishlos <dorit@il.ibm.com> + + PR tree-opt/18544 + * tree-vectorizer.c (vect_analyze_data_refs): Fail if memtag not found. + 2004-11-22 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com> * config.gcc: Use t-slibgcc-elf to build libgcc_s.so on 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: |