re PR target/56256 (inline asm with {|} alternatives in it no longer accepted)

	PR target/56256
	* config/rs6000/rs6000.h (ASSEMBLER_DIALECT): Define.

	* gcc.target/powerpc/pr56256.c: New test.

From-SVN: r195913

gcc/ChangeLog

+2013-02-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/56256
+	* config/rs6000/rs6000.h (ASSEMBLER_DIALECT): Define.
+
 2013-02-08  Vladimir Makarov  <vmakarov@redhat.com>
 
 	PR rtl-optimization/56246

gcc/config/rs6000/rs6000.h

@@ -356,6 +356,12 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
 #define PROCESSOR_DEFAULT   PROCESSOR_PPC603
 #define PROCESSOR_DEFAULT64 PROCESSOR_RS64A
 
+/* Specify the dialect of assembler to use.  Only new mnemonics are supported
+   starting with GCC 4.8, i.e. just one dialect, but for backwards
+   compatibility with older inline asm ASSEMBLER_DIALECT needs to be
+   defined.  */
+#define ASSEMBLER_DIALECT 1
+
 /* Debug support */
 #define MASK_DEBUG_STACK	0x01	/* debug stack applications */
 #define	MASK_DEBUG_ARG		0x02	/* debug argument handling */

gcc/testsuite/ChangeLog

+2013-02-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/56256
+	* gcc.target/powerpc/pr56256.c: New test.
+
 2013-02-08  Ian Lance Taylor  <iant@google.com>
 
 	* lib/go.exp: Load timeout.exp.

gcc/testsuite/gcc.target/powerpc/pr56256.c

+/* PR target/56256 */
+/* { dg-do assemble } */
+/* { dg-options "-O2" } */
+
+int
+foo (void)
+{
+  int a;
+  __asm__ ("{lil|li} %0,%1" : "=r" (a) : "I" (26));
+  return a;
+}