diff options
Diffstat (limited to 'gcc/tree-vect-slp.c')
| -rw-r--r-- | gcc/tree-vect-slp.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c index d248ce2..e93e9c7 100644 --- a/gcc/tree-vect-slp.c +++ b/gcc/tree-vect-slp.c @@ -544,12 +544,21 @@ vect_get_and_check_slp_defs (vec_info *vinfo, unsigned char swap, continue; } - if (def_stmt_info && is_pattern_stmt_p (def_stmt_info)) - oprnd_info->any_pattern = true; - oprnd_info->def_stmts.quick_push (def_stmt_info); oprnd_info->ops.quick_push (oprnd); + if (def_stmt_info + && is_pattern_stmt_p (def_stmt_info)) + { + if (STMT_VINFO_RELATED_STMT (vect_orig_stmt (def_stmt_info)) + != def_stmt_info) + oprnd_info->any_pattern = true; + else + /* If we promote this to external use the original stmt def. */ + oprnd_info->ops.last () + = gimple_get_lhs (vect_orig_stmt (def_stmt_info)->stmt); + } + /* If there's a extern def on a backedge make sure we can code-generate at the region start. ??? This is another case that could be fixed by adjusting |