[Bug target/44948] -mavx changes ABI

[hjl dot tools at gmail dot com]

------- Comment #9 from hjl dot tools at gmail dot com  2010-07-15 16:05 -------
How about this patch?

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 4fd2aab..65e13a3 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -6594,8 +6594,8 @@ ix86_function_arg_boundary (enum machine_mode mode, tree
t
ype)
            align = PARM_BOUNDARY;
        }
     }
-  if (align > BIGGEST_ALIGNMENT)
-    align = BIGGEST_ALIGNMENT;
+  else if (!contains_aligned_value_p (type))
+    align = PARM_BOUNDARY;
   return align;
 }


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44948