re PR target/78688 (PowerPC fails bootstrap)

2016-12-05  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/78688
	* config/rs6000/rs6000.h (FUNCTION_VALUE_REGNO_P): Use IN_RANGE
	instead of ((N) >= (X) && (N) <= (Y-X)) to silence warnings about
	comparing signed to unsigned values.
	(FUNCTION_ARG_REGNO_P): Likewise.

From-SVN: r243278

gcc/ChangeLog

+2016-12-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+	PR target/78688
+	* config/rs6000/rs6000.h (FUNCTION_VALUE_REGNO_P): Use IN_RANGE
+	instead of ((N) >= (X) && (N) <= (Y-X)) to silence warnings about
+	comparing signed to unsigned values.
+	(FUNCTION_ARG_REGNO_P): Likewise.
+
 2016-12-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 	    Stefan Freudenberger  <stefan@reservoir.com>
 

gcc/config/rs6000/rs6000.h

@@ -1866,19 +1866,19 @@ extern enum reg_class rs6000_constraints[RS6000_CONSTRAINT_MAX];
    On RS/6000, this is r3, fp1, and v2 (for AltiVec).  */
 #define FUNCTION_VALUE_REGNO_P(N)					\
   ((N) == GP_ARG_RETURN							\
-   || ((N) >= FP_ARG_RETURN && (N) <= FP_ARG_MAX_RETURN			\
+   || (IN_RANGE ((N), FP_ARG_RETURN, FP_ARG_MAX_RETURN)			\
        && TARGET_HARD_FLOAT && TARGET_FPRS)				\
-   || ((N) >= ALTIVEC_ARG_RETURN && (N) <= ALTIVEC_ARG_MAX_RETURN	\
+   || (IN_RANGE ((N), ALTIVEC_ARG_RETURN, ALTIVEC_ARG_MAX_RETURN)	\
        && TARGET_ALTIVEC && TARGET_ALTIVEC_ABI))
 
 /* 1 if N is a possible register number for function argument passing.
    On RS/6000, these are r3-r10 and fp1-fp13.
    On AltiVec, v2 - v13 are used for passing vectors.  */
 #define FUNCTION_ARG_REGNO_P(N)						\
-  ((unsigned) (N) - GP_ARG_MIN_REG < GP_ARG_NUM_REG			\
-   || ((unsigned) (N) - ALTIVEC_ARG_MIN_REG < ALTIVEC_ARG_NUM_REG	\
+  (IN_RANGE ((N), GP_ARG_MIN_REG, GP_ARG_MAX_REG)			\
+   || (IN_RANGE ((N), ALTIVEC_ARG_MIN_REG, ALTIVEC_ARG_MAX_REG)		\
        && TARGET_ALTIVEC && TARGET_ALTIVEC_ABI)				\
-   || ((unsigned) (N) - FP_ARG_MIN_REG < FP_ARG_NUM_REG			\
+   || (IN_RANGE ((N), FP_ARG_MIN_REG, FP_ARG_MAX_REG)			\
        && TARGET_HARD_FLOAT && TARGET_FPRS))
 
 /* Define a data type for recording info about an argument list