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| author | Richard Biener <rguenther@suse.de> | 2014-11-20 08:40:52 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-11-20 08:40:52 +0000 |
| commit | b00734dfd64b2014140f84b821d1fdcd4a53affe (patch) | |
| tree | 5d4a056252b3e804e9604d0f82ccc69c816b9ff2 /gcc/ada | |
| parent | 07dc4e8707bd1e631b42a7375e368505d107cc9d (diff) | |
| download | gcc-b00734dfd64b2014140f84b821d1fdcd4a53affe.zip gcc-b00734dfd64b2014140f84b821d1fdcd4a53affe.tar.gz gcc-b00734dfd64b2014140f84b821d1fdcd4a53affe.tar.bz2 | |
re PR tree-optimization/63677 (Failure to constant fold with vectorization.)
2014-11-20 Richard Biener <rguenther@suse.de>
PR tree-optimization/63677
* tree-ssa-dom.c: Include gimplify.h for unshare_expr.
(avail_exprs_stack): Make a vector of pairs.
(struct hash_expr_elt): Replace stmt member with vop member.
(expr_elt_hasher::equal): Simplify.
(initialize_hash_element): Adjust.
(initialize_hash_element_from_expr): Likewise.
(dom_opt_dom_walker::thread_across_edge): Likewise.
(record_cond): Likewise.
(dom_opt_dom_walker::before_dom_children): Likewise.
(print_expr_hash_elt): Likewise.
(remove_local_expressions_from_table): Restore previous state
if requested.
(record_equivalences_from_stmt): Record &x + CST as constant
&MEM[&x, CST] for further propagation.
(vuse_eq): New function.
(lookup_avail_expr): For loads use the alias oracle to see
whether a candidate from the expr hash is usable.
(avail_expr_hash): Do not hash VUSEs.
* gcc.dg/tree-ssa/ssa-dom-cse-2.c: New testcase.
* gcc.dg/tree-ssa/ssa-dom-cse-3.c: Likewise.
From-SVN: r217827
Diffstat (limited to 'gcc/ada')
0 files changed, 0 insertions, 0 deletions