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| author | Richard Biener <rguenther@suse.de> | 2021-06-18 12:20:22 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2021-06-18 13:43:21 +0200 |
| commit | 17a4bee01c3b29c5ccdd39f34384521e5d44135b (patch) | |
| tree | 27ee5016855198e66453a453353b8d1132718a79 /gcc | |
| parent | 92edc4a7684cdad5d30e197b976c35b2257f7bed (diff) | |
| download | gcc-17a4bee01c3b29c5ccdd39f34384521e5d44135b.zip gcc-17a4bee01c3b29c5ccdd39f34384521e5d44135b.tar.gz gcc-17a4bee01c3b29c5ccdd39f34384521e5d44135b.tar.bz2 | |
tree-optimization/101112 - fix pattern stmt def lookup in SLP reassoc
This fixes the lookup of a pattern stmt def operand.
2021-06-18 Richard Biener <rguenther@suse.de>
PR tree-optimization/101112
* tree-vect-slp.c (vect_slp_linearize_chain): Fix condition
to lookup a pattern stmt def.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/tree-vect-slp.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c index 0c1f85b..f9c33c0 100644 --- a/gcc/tree-vect-slp.c +++ b/gcc/tree-vect-slp.c @@ -1482,13 +1482,9 @@ vect_slp_linearize_chain (vec_info *vinfo, stmt_vec_info def_stmt_info; bool res = vect_is_simple_use (op, vinfo, &dt, &def_stmt_info); gcc_assert (res); - if (dt == vect_internal_def) - { - stmt_vec_info orig_def_stmt_info = def_stmt_info; - def_stmt_info = vect_stmt_to_vectorize (def_stmt_info); - if (def_stmt_info != orig_def_stmt_info) - op = gimple_get_lhs (def_stmt_info->stmt); - } + if (dt == vect_internal_def + && is_pattern_stmt_p (def_stmt_info)) + op = gimple_get_lhs (def_stmt_info->stmt); gimple *use_stmt; use_operand_p use_p; if (dt == vect_internal_def |