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authorebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4>2016-06-13 07:40:47 +0000
committerebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4>2016-06-13 07:40:47 +0000
commit615e1c3100bd94e1c7da0583c07ad553c19f6ec2 (patch)
tree70240d79883f69a05aa99c9a6f4a65e134090a55 /gcc
parent249865a031091a7a544cfe3e51c8bc9fefbe1d74 (diff)
* gcc-interface/utils2.c (known_alignment) <CALL_EXPR>: Deal specially
with calls to malloc. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@237356 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ada/ChangeLog5
-rw-r--r--gcc/ada/gcc-interface/utils2.c4
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 6f2fda6004bf..41a6c619fe28 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,8 @@
+2016-06-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gcc-interface/utils2.c (known_alignment) <CALL_EXPR>: Deal specially
+ with calls to malloc.
+
2016-06-11 Eric Botcazou <ebotcazou@adacore.com>
* gcc-interface/trans.c (build_binary_op_trapv): If no operand is a
diff --git a/gcc/ada/gcc-interface/utils2.c b/gcc/ada/gcc-interface/utils2.c
index a0804e8e86df..aeb6cc3a3f73 100644
--- a/gcc/ada/gcc-interface/utils2.c
+++ b/gcc/ada/gcc-interface/utils2.c
@@ -171,6 +171,10 @@ known_alignment (tree exp)
case CALL_EXPR:
{
+ tree func = get_callee_fndecl (exp);
+ if (func && DECL_IS_MALLOC (func))
+ return get_target_system_allocator_alignment () * BITS_PER_UNIT;
+
tree t = maybe_inline_call_in_expr (exp);
if (t)
return known_alignment (t);