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| author | Martin Jambor <mjambor@suse.cz> | 2013-02-20 13:56:30 +0100 |
|---|---|---|
| committer | Martin Jambor <jamborm@gcc.gnu.org> | 2013-02-20 13:56:30 +0100 |
| commit | ec9c9d1b988928151b3f14ee06a95e0ef550dcc7 (patch) | |
| tree | 7778c60b5be761dc845a758ecd9c207b6166f0a2 /gcc/ipa-cp.c | |
| parent | e91c8ed63fa4d372a740ca8047bf42c0b86593c4 (diff) | |
| download | gcc-ec9c9d1b988928151b3f14ee06a95e0ef550dcc7.tar.gz | |
re PR tree-optimization/55334 (mgrid regression (ipa-cp disables vectorization))
2013-02-20 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/55334
* ipa-cp.c (initialize_node_lattices): Disable IPA-CP through and to
restricted pointers to arrays.
From-SVN: r196171
Diffstat (limited to 'gcc/ipa-cp.c')
| -rw-r--r-- | gcc/ipa-cp.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c index 6feb6b65574..c79f277d61b 100644 --- a/gcc/ipa-cp.c +++ b/gcc/ipa-cp.c @@ -730,6 +730,22 @@ initialize_node_lattices (struct cgraph_node *node) cgraph_node_name (node), node->uid, disable ? "BOTTOM" : "VARIABLE"); } + if (!disable) + for (i = 0; i < ipa_get_param_count (info) ; i++) + { + struct ipcp_param_lattices *plats = ipa_get_parm_lattices (info, i); + tree t = TREE_TYPE (ipa_get_param(info, i)); + + if (POINTER_TYPE_P (t) && TYPE_RESTRICT (t) + && TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE) + { + set_lattice_to_bottom (&plats->itself); + if (dump_file && (dump_flags & TDF_DETAILS) + && !node->alias && !node->thunk.thunk_p) + fprintf (dump_file, "Going to ignore param %i of of %s/%i.\n", + i, cgraph_node_name (node), node->uid); + } + } for (ie = node->indirect_calls; ie; ie = ie->next_callee) if (ie->indirect_info->polymorphic) |