ssa-dom-thread-4.c: Set -mbranch-cost=2 for s390 and s390x.

2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* gcc.dg/ssa-dom-thread-4.c: Set -mbranch-cost=2 for s390 and
          s390x.

From-SVN: r183557

gcc/testsuite/ChangeLog

 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 
+	* gcc.dg/ssa-dom-thread-4.c: Set -mbranch-cost=2 for s390 and
+          s390x.
+
+2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
 	* gcc.dg/pr46309.c: Set branch-cost to 2 for s390 and s390x.
 	* gcc.dg/pr44194-1.c: Disable since s390 returns structs always in
 	memory.

gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-4.c

 /* { dg-do compile } */ 
 /* { dg-options "-O2 -fdump-tree-dom1-details" } */
+/* { dg-additional-options "-mbranch-cost=2" { target s390*-*-* } } */
 struct bitmap_head_def;
 typedef struct bitmap_head_def *bitmap;
 typedef const struct bitmap_head_def *const_bitmap;