arm.h (TARGET_CPU_CPP_BUILTINS): Add __ARM_FEATURE_DSP.

2011-07-06  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Add
	__ARM_FEATURE_DSP.

From-SVN: r175925

gcc/ChangeLog

+2011-07-06  James Greenhalgh  <james.greenhalgh@arm.com>
+
+	* config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Add
+	__ARM_FEATURE_DSP.
+
 2011-07-06  Basile Starynkevitch  <basile@starynkevitch.net>
 
 	* configure.ac (plugin-version.h): Generate

gcc/config/arm/arm.h

@@ -45,6 +45,8 @@ extern char arm_arch_name[];
 #define TARGET_CPU_CPP_BUILTINS()			\
   do							\
     {							\
+	if (TARGET_DSP_MULTIPLY)			\
+	   builtin_define ("__ARM_FEATURE_DSP");	\
 	/* Define __arm__ even when in thumb mode, for	\
 	   consistency with armcc.  */			\
 	builtin_define ("__arm__");			\