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| author | Richard Biener <rguenther@suse.de> | 2022-10-28 13:50:57 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2022-10-28 15:07:02 +0200 |
| commit | 084128583212bd64308f50c2ab5f4c03be40e48c (patch) | |
| tree | bc8dafad8ec688878a9a6fc072c96710e5a08396 /gcc | |
| parent | 89999f2358724fa4e71c7c3b4de340582c0e43da (diff) | |
| download | gcc-084128583212bd64308f50c2ab5f4c03be40e48c.zip gcc-084128583212bd64308f50c2ab5f4c03be40e48c.tar.gz gcc-084128583212bd64308f50c2ab5f4c03be40e48c.tar.bz2 | |
tree-optimization/107435 - ICE with recurrence vectorization
This implements the missed conversion from pointer to integer.
PR tree-optimization/107435
* tree-vect-loop.cc (vectorizable_recurr): Convert initial
value to vector component type.
* gcc.dg/torture/pr107435.c: New testcase.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr107435.c | 23 | ||||
| -rw-r--r-- | gcc/tree-vect-loop.cc | 6 |
2 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr107435.c b/gcc/testsuite/gcc.dg/torture/pr107435.c new file mode 100644 index 0000000..1012896 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr107435.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-additional-options "-mavx2" { target x86_64-*-* i?86-*-* } } */ + +struct qlist_head { + struct qlist_head *next; +}; +void +qlist_add (struct qlist_head *new, struct qlist_head *head) +{ + struct qlist_head *prev = head; + new->next = head->next; + prev->next = new; +} +struct { + struct qlist_head queue_link; +} free_list, prealloc[64]; +void +dbpf_open_cache_initialize() +{ + int i = 0; + for (; i < 64; i++) + qlist_add(&prealloc[i].queue_link, &free_list.queue_link); +} diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc index d5c2bff..aacbb12 100644 --- a/gcc/tree-vect-loop.cc +++ b/gcc/tree-vect-loop.cc @@ -8469,6 +8469,12 @@ vectorizable_recurr (loop_vec_info loop_vinfo, stmt_vec_info stmt_info, edge pe = loop_preheader_edge (LOOP_VINFO_LOOP (loop_vinfo)); basic_block bb = gimple_bb (phi); tree preheader = PHI_ARG_DEF_FROM_EDGE (phi, pe); + if (!useless_type_conversion_p (TREE_TYPE (vectype), TREE_TYPE (preheader))) + { + gimple_seq stmts = NULL; + preheader = gimple_convert (&stmts, TREE_TYPE (vectype), preheader); + gsi_insert_seq_on_edge_immediate (pe, stmts); + } tree vec_init = build_vector_from_val (vectype, preheader); vec_init = vect_init_vector (loop_vinfo, stmt_info, vec_init, vectype, NULL); |