Account for TARGET_VXWORKS64 in default SIZE/PTRDIFF_TYPE for vxworks

2018-09-21  Olivier Hainque  <hainque@adacore.com>

	* config/vxworks.h (SIZE_TYPE): Account for TARGET_VXWORKS64.
	(PTRDIFF_TYPE): Likewise.

From-SVN: r264475

gcc/ChangeLog

 2018-09-21  Olivier Hainque  <hainque@adacore.com>
 
+	* config/vxworks.h (SIZE_TYPE): Account for TARGET_VXWORKS64.
+	(PTRDIFF_TYPE): Likewise.
+
+2018-09-21  Olivier Hainque  <hainque@adacore.com>
+
 	* config.gcc: Enforce def of TARGET_VXWORKS64 to 1 from
 	triplet, similar to support for VxWorks7.
 	* config/vxworks-dummy.h: Provide a default definition

gcc/config/vxworks.h

@@ -164,10 +164,10 @@ extern void vxworks_asm_out_destructor (rtx symbol, int priority);
 #define VXWORKS_GOTT_INDEX "__GOTT_INDEX__"
 
 #undef PTRDIFF_TYPE
-#define PTRDIFF_TYPE "int"
+#define PTRDIFF_TYPE (TARGET_VXWORKS64 ? "long int" : "int")
 
 #undef SIZE_TYPE
-#define SIZE_TYPE "unsigned int"
+#define SIZE_TYPE (TARGET_VXWORKS64 ? "long unsigned int" : "unsigned int")
 
 #undef TARGET_LIBC_HAS_FUNCTION
 #define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function