system.h: Poison SMALL_REGISTER_CLASSES

	* system.h: Poison SMALL_REGISTER_CLASSES
	* config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
	* config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.

From-SVN: r184319

gcc/ChangeLog

+2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
+
+	* system.h: Poison SMALL_REGISTER_CLASSES
+	* config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
+	* config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
+
 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/52285

gcc/config/rl78/rl78.h

@@ -258,7 +258,7 @@ enum reg_class
   { 0xff7fffff, 0x0000001f }	/* All registers.  */		\
 }
 
-#define SMALL_REGISTER_CLASSES 		1
+#define TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P hook_bool_mode_true
 #define N_REG_CLASSES			(int) LIM_REG_CLASSES
 #define CLASS_MAX_NREGS(CLASS, MODE)    ((GET_MODE_SIZE (MODE) \
 					  + UNITS_PER_WORD - 1) \

gcc/config/rx/rx.h

@@ -185,7 +185,6 @@ enum reg_class
   { 0x0000ffff }	/* All registers.  */		\
 }
 
-#define SMALL_REGISTER_CLASSES 		0
 #define N_REG_CLASSES			(int) LIM_REG_CLASSES
 #define CLASS_MAX_NREGS(CLASS, MODE)    ((GET_MODE_SIZE (MODE) \
 					  + UNITS_PER_WORD - 1) \

gcc/system.h

@@ -807,7 +807,7 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
 	LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP JUMP_ALIGN_MAX_SKIP 		\
 	CAN_DEBUG_WITHOUT_FP UNLIKELY_EXECUTED_TEXT_SECTION_NAME	\
 	HOT_TEXT_SECTION_NAME LEGITIMATE_CONSTANT_P ALWAYS_STRIP_DOTDOT	\
-	OUTPUT_ADDR_CONST_EXTRA
+	OUTPUT_ADDR_CONST_EXTRA SMALL_REGISTER_CLASSES
 
 /* Target macros only used for code built for the target, that have
    moved to libgcc-tm.h or have never been present elsewhere.  */