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authorJakub Jelinek <jakub@redhat.com>2011-06-30 12:43:59 +0200
committerJakub Jelinek <jakub@gcc.gnu.org>2011-06-30 12:43:59 +0200
commitd9048d168c11c7be8c2be3f38fde4abd273e7f20 (patch)
treea324449ae52eb12d31dd116b7902b37e76a323d1 /gcc/tree-ssa-structalias.c
parentf60f32b35695eb05d36b83a78f26b833ccb04edf (diff)
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tree-ssa-structalias.c (find_func_aliases_for_builtin_call): Fix handling of BUILT_IN_ASSUME_ALIGNED.
* tree-ssa-structalias.c (find_func_aliases_for_builtin_call): Fix handling of BUILT_IN_ASSUME_ALIGNED. From-SVN: r175695
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
-rw-r--r--gcc/tree-ssa-structalias.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c
index f786207..dba8b01 100644
--- a/gcc/tree-ssa-structalias.c
+++ b/gcc/tree-ssa-structalias.c
@@ -4002,7 +4002,6 @@ find_func_aliases_for_builtin_call (gimple t)
case BUILT_IN_STPCPY_CHK:
case BUILT_IN_STRCAT_CHK:
case BUILT_IN_STRNCAT_CHK:
- case BUILT_IN_ASSUME_ALIGNED:
{
tree res = gimple_call_lhs (t);
tree dest = gimple_call_arg (t, (DECL_FUNCTION_CODE (fndecl)
@@ -4068,6 +4067,20 @@ find_func_aliases_for_builtin_call (gimple t)
VEC_free (ce_s, heap, lhsc);
return true;
}
+ case BUILT_IN_ASSUME_ALIGNED:
+ {
+ tree res = gimple_call_lhs (t);
+ tree dest = gimple_call_arg (t, 0);
+ if (res != NULL_TREE)
+ {
+ get_constraint_for (res, &lhsc);
+ get_constraint_for (dest, &rhsc);
+ process_all_all_constraints (lhsc, rhsc);
+ VEC_free (ce_s, heap, lhsc);
+ VEC_free (ce_s, heap, rhsc);
+ }
+ return true;
+ }
/* All the following functions do not return pointers, do not
modify the points-to sets of memory reachable from their
arguments and do not add to the ESCAPED solution. */