builtin-bswap-8.c: Compile at -O2.

	* gcc.dg/builtin-bswap-8.c: Compile at -O2.
	* gcc.dg/builtin-bswap-9.c: Likewise.

From-SVN: r199372

gcc/testsuite/ChangeLog

 2013-05-28  Eric Botcazou  <ebotcazou@adacore.com>
 
+	* gcc.dg/builtin-bswap-8.c: Compile at -O2.
+	* gcc.dg/builtin-bswap-9.c: Likewise.
+
+2013-05-28  Eric Botcazou  <ebotcazou@adacore.com>
+
 	* gcc.target/sparc/bmaskbshuf.c: Remove superfluous options.
 
 2013-05-27  Richard Biener  <rguenther@suse.de>

gcc/testsuite/gcc.dg/builtin-bswap-8.c

 /* { dg-do compile { target arm*-*-* alpha*-*-* i?86-*-* powerpc*-*-* rs6000-*-* x86_64-*-* s390*-*-* } } */
 /* { dg-require-effective-target stdint_types } */
-/* { dg-options "-O -fdump-rtl-combine" } */
-/* { dg-options "-O -fdump-rtl-combine -march=z900" { target s390-*-* } } */
+/* { dg-options "-O2 -fdump-rtl-combine" } */
+/* { dg-options "-O2 -fdump-rtl-combine -march=z900" { target s390-*-* } } */
 
 #include <stdint.h>
 

gcc/testsuite/gcc.dg/builtin-bswap-9.c

 /* { dg-do compile { target arm*-*-* alpha*-*-* ia64*-*-* x86_64-*-* s390x-*-* powerpc*-*-* rs6000-*-* } } */
 /* { dg-require-effective-target stdint_types } */
 /* { dg-require-effective-target lp64 } */
-/* { dg-options "-O -fdump-rtl-combine" } */
+/* { dg-options "-O2 -fdump-rtl-combine" } */
 
 #include <stdint.h>