[PATCH][ARM]Add ACLE 2.0 predefined marco __ARM_FEATURE_IDIV

[Renlin Li]

Hi all,

This is a simple patch to add missing __ARM_FEATURE_IDIV__ predefined 
marco(ACLE 2.0) into TARGET_CPU_CPP_BUILTINS.
Is it Okay to commit?


gcc/ChangeLog:

2014-10-13  Renlin Li  <renlin...@arm.com>

    * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Add ACLE 2.0 predefined
    marco __ARM_FEATURE_IDIV__.

diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h
index 3623c70..941d1b4 100644
--- a/gcc/config/arm/arm.h
+++ b/gcc/config/arm/arm.h
@@ -164,7 +164,10 @@ extern char arm_arch_name[];
 	    builtin_define ("__ARM_EABI__");		\
 	  }						\
 	if (TARGET_IDIV)				\
-	  builtin_define ("__ARM_ARCH_EXT_IDIV__");	\
+         {                                              \
+            builtin_define ("__ARM_ARCH_EXT_IDIV__");	\
+            builtin_define ("__ARM_FEATURE_IDIV__");	\
+         }
     } while (0)
 
 #include "config/arm/arm-opts.h"