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authormrs <mrs@138bc75d-0d04-0410-961f-82ee72b054a4>2014-02-10 18:07:31 +0000
committermrs <mrs@138bc75d-0d04-0410-961f-82ee72b054a4>2014-02-10 18:07:31 +0000
commitfe34354e72b674130ffcf5a67e2d0b3b7307383e (patch)
treeca6f19ee04949a3bcd2ab0374a056dcb46fc2056 /gcc/tree-ssa-structalias.c
parent8b3716ff7532ddf9cb6f3ae6beac038506b70941 (diff)
parentbf62ed7307453c4f8d35c952fba2c2a5d990b1a4 (diff)
downloadgcc-fe34354e72b674130ffcf5a67e2d0b3b7307383e.tar.gz
Merge in trunk.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@207666 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
-rw-r--r--gcc/tree-ssa-structalias.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c
index e887286c048..e1a9cfb9fea 100644
--- a/gcc/tree-ssa-structalias.c
+++ b/gcc/tree-ssa-structalias.c
@@ -3981,7 +3981,7 @@ handle_lhs_call (gimple stmt, tree lhs, int flags, vec<ce_s> rhsc,
struct constraint_expr tmpc;
rhsc.create (0);
vi = make_heapvar ("HEAP");
- /* We marking allocated storage local, we deal with it becoming
+ /* We are marking allocated storage local, we deal with it becoming
global by escaping and setting of vars_contains_escaped_heap. */
DECL_EXTERNAL (vi->decl) = 0;
vi->is_global_var = 0;
@@ -4230,6 +4230,26 @@ find_func_aliases_for_builtin_call (gimple t)
lhsc.release ();
return true;
}
+ case BUILT_IN_POSIX_MEMALIGN:
+ {
+ tree ptrptr = gimple_call_arg (t, 0);
+ get_constraint_for (ptrptr, &lhsc);
+ do_deref (&lhsc);
+ varinfo_t vi = make_heapvar ("HEAP");
+ /* We are marking allocated storage local, we deal with it becoming
+ global by escaping and setting of vars_contains_escaped_heap. */
+ DECL_EXTERNAL (vi->decl) = 0;
+ vi->is_global_var = 0;
+ struct constraint_expr tmpc;
+ tmpc.var = vi->id;
+ tmpc.offset = 0;
+ tmpc.type = ADDRESSOF;
+ rhsc.safe_push (tmpc);
+ process_all_all_constraints (lhsc, rhsc);
+ lhsc.release ();
+ rhsc.release ();
+ return true;
+ }
case BUILT_IN_ASSUME_ALIGNED:
{
tree res = gimple_call_lhs (t);
@@ -4959,6 +4979,7 @@ find_func_clobbers (gimple origt)
its argument. */
case BUILT_IN_MEMSET:
case BUILT_IN_MEMSET_CHK:
+ case BUILT_IN_POSIX_MEMALIGN:
{
tree dest = gimple_call_arg (t, 0);
unsigned i;