arm.c (arm_pcs_default): Remove static.

	* config/arm/arm.c (arm_pcs_default): Remove static.
	* config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_PCS or
	__ARM_PCS_VFP to indicate soft/hard-float calling convention.
	(arm_pcs_default): Declare.

From-SVN: r162637

gcc/ChangeLog

+2010-07-28  Chung-Lin Tang  <cltang@codesourcery.com>
+
+	* config/arm/arm.c (arm_pcs_default): Remove static.
+	* config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_PCS or
+	__ARM_PCS_VFP to indicate soft/hard-float calling convention.
+	(arm_pcs_default): Declare.
+
 2010-07-28  Iain Sandoe  <iains@gcc.gnu.org>
 
 	* config/rs6000/rs6000.c (rs6000_override_options): 

gcc/config/arm/arm.c

@@ -712,7 +712,7 @@ unsigned arm_pic_register = INVALID_REGNUM;
    the next function.  */
 static int after_arm_reorg = 0;
 
-static enum arm_pcs arm_pcs_default;
+enum arm_pcs arm_pcs_default;
 
 /* For an explanation of these variables, see final_prescan_insn below.  */
 int arm_ccfsm_state;

gcc/config/arm/arm.h

@@ -94,7 +94,13 @@ extern char arm_arch_name[];
 	if (arm_arch_iwmmxt)				\
 	  builtin_define ("__IWMMXT__");		\
 	if (TARGET_AAPCS_BASED)				\
-	  builtin_define ("__ARM_EABI__");		\
+	  {						\
+	    if (arm_pcs_default == ARM_PCS_AAPCS_VFP)	\
+	      builtin_define ("__ARM_PCS_VFP");		\
+	    else if (arm_pcs_default == ARM_PCS_AAPCS)	\
+	      builtin_define ("__ARM_PCS");		\
+	    builtin_define ("__ARM_EABI__");		\
+	  }						\
     } while (0)
 
 /* The various ARM cores.  */
@@ -1641,6 +1647,9 @@ enum arm_pcs
   ARM_PCS_UNKNOWN
 };
 
+/* Default procedure calling standard of current compilation unit. */
+extern enum arm_pcs arm_pcs_default;
+
 /* A C type for declaring a variable that is used as the first argument of
    `FUNCTION_ARG' and other related values.  */
 typedef struct