predcom-1.c: Explicitly turn on loop unroll and set max unroll times to 8.

2011-09-29  Jiangning Liu  <jiangning.liu@arm.com>

	* gcc/testsuite/gcc.dg/tree-ssa/predcom-1.c: Explicitly turn on
	loop unroll and set max unroll times to 8.
	* gcc/testsuite/gcc.dg/tree-ssa/predcom-2.c: Likewise.
	* gcc/testsuite/gcc.dg/tree-ssa/predcom-3.c: Likewise.
	* gcc/testsuite/gcc.dg/tree-ssa/predcom-4.c: Likewise.
	* gcc/testsuite/gcc.dg/tree-ssa/predcom-5.c: Likewise.

From-SVN: r179330

gcc/testsuite/ChangeLog

+2011-09-29  Jiangning Liu  <jiangning.liu@arm.com>
+
+	* gcc/testsuite/gcc.dg/tree-ssa/predcom-1.c: Explicitly turn on
+	loop unroll and set max unroll times to 8.
+	* gcc/testsuite/gcc.dg/tree-ssa/predcom-2.c: Likewise.
+	* gcc/testsuite/gcc.dg/tree-ssa/predcom-3.c: Likewise.
+	* gcc/testsuite/gcc.dg/tree-ssa/predcom-4.c: Likewise.
+	* gcc/testsuite/gcc.dg/tree-ssa/predcom-5.c: Likewise.
+
 2011-09-28  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/40145

gcc/testsuite/gcc.dg/tree-ssa/predcom-1.c

 /* { dg-do compile } */
 /* { dg-do run } */
-/* { dg-options "-O2 -fpredictive-commoning -fdump-tree-pcom-details" } */
+/* { dg-options "-O2 -funroll-loops --param max-unroll-times=8 -fpredictive-commoning -fdump-tree-pcom-details" } */
 
 void abort (void);
 

gcc/testsuite/gcc.dg/tree-ssa/predcom-2.c

 /* { dg-do compile } */
 /* { dg-do run } */
-/* { dg-options "-O2 -fpredictive-commoning -fdump-tree-pcom-details" } */
+/* { dg-options "-O2 -funroll-loops --param max-unroll-times=8 -fpredictive-commoning -fdump-tree-pcom-details" } */
 
 void abort (void);
 

gcc/testsuite/gcc.dg/tree-ssa/predcom-3.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fpredictive-commoning -fdump-tree-pcom-details" } */
+/* { dg-options "-O2 -funroll-loops --param max-unroll-times=8 -fpredictive-commoning -fdump-tree-pcom-details" } */
 
 int a[1000], b[1000];
 

gcc/testsuite/gcc.dg/tree-ssa/predcom-4.c

 /* { dg-do compile } */
 /* { dg-do run } */
-/* { dg-options "-O2 -fpredictive-commoning -fdump-tree-pcom-details" } */
+/* { dg-options "-O2 -funroll-loops --param max-unroll-times=8 -fpredictive-commoning -fdump-tree-pcom-details" } */
 
 /* Test for predictive commoning of expressions, without reassociation.  */
 

gcc/testsuite/gcc.dg/tree-ssa/predcom-5.c

 /* { dg-do compile } */
 /* { dg-do run } */
-/* { dg-options "-O2 -fpredictive-commoning -fdump-tree-pcom-details" } */
+/* { dg-options "-O2 -funroll-loops --param max-unroll-times=8 -fpredictive-commoning -fdump-tree-pcom-details" } */
 
 /* Test for predictive commoning of expressions, with reassociation.  */