mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_synci if TARGET_SYNCI.

gcc/
	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_synci
	if TARGET_SYNCI.

gcc/testsuite/
	* gcc.target/mips/mips.exp: Work out default -msynci setting.

From-SVN: r190784

gcc/ChangeLog

+2012-08-29  Richard Sandiford  <rdsandiford@googlemail.com>
+
+	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_synci
+	if TARGET_SYNCI.
+
 2012-08-29  Oleg Endo  <olegendo@gcc.gnu.org>
 
 	* config/sh/sh.opt (menable-tas): Rename to mtas.

gcc/config/mips/mips.h

@@ -517,6 +517,9 @@ struct mips_cpu_info {
       if (TARGET_OCTEON)						\
 	builtin_define ("__OCTEON__");					\
 									\
+      if (TARGET_SYNCI)							\
+	builtin_define ("__mips_synci");				\
+									\
       /* Macros dependent on the C dialect.  */				\
       if (preprocessing_asm_p ())					\
 	{								\

gcc/testsuite/ChangeLog

+2012-08-29  Richard Sandiford  <rdsandiford@googlemail.com>
+
+	* gcc.target/mips/mips.exp: Work out default -msynci setting.
+
 2012-08-28  Joey Ye  <joey.ye@arm.com>
 
 	* gcc.dg/tree-ssa/ssa-dom-thread-3.c: Add -fno-short-enums.

gcc/testsuite/gcc.target/mips/mips.exp

@@ -767,6 +767,12 @@ proc mips-dg-init {} {
 	    "-mno-smartmips",
 	    #endif
 
+	    #ifdef __mips_synci
+	    "-msynci",
+	    #else
+	    "-mno-synci",
+	    #endif
+
 	    0
 	};
     }]