va-mips.h patch

[Gavin Koch]

This is to avoid loosing when a pointer is wider than an int.

OK to push?

                                      -gavin...



	* ginclude/va-mips.h: Replace casts of pointers to int with
	casts of pointers to __PTRDIFF_TYPE__.


Index: va-mips.h
===================================================================
*** va-mips.h	1997/10/26 09:09:12	1.14
--- va-mips.h	1998/02/13 00:47:39
***************
*** 200,206 ****
  #define __va_next_addr(__AP, __type)					\
    (((__builtin_classify_type (* (__type *) 0) < __record_type_class	\
       && __alignof__ (__type) > 4)					\
!     ? __AP = (char *) (((int) __AP + 8 - 1) & -8)			\
      : (char *) 0),							\
     (__builtin_classify_type (* (__type *) 0) >= __record_type_class	\
      ? (__AP += __va_reg_size) - __va_reg_size				\
--- 200,206 ----
  #define __va_next_addr(__AP, __type)					\
    (((__builtin_classify_type (* (__type *) 0) < __record_type_class	\
       && __alignof__ (__type) > 4)					\
!     ? __AP = (char *) (((__PTRDIFF_TYPE__) __AP + 8 - 1) & -8)		\
      : (char *) 0),							\
     (__builtin_classify_type (* (__type *) 0) >= __record_type_class	\
      ? (__AP += __va_reg_size) - __va_reg_size				\
***************
*** 240,247 ****
  #ifdef __mips64
  #ifdef __MIPSEB__
  #define va_arg(__AP, __type)                                    \
!   ((__type *) (void *) (__AP = (char *) ((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \
! 					 + __va_rounded_size (__type))))[-1]
  #else
  #define va_arg(__AP, __type)                                    \
    ((__AP = (char *) ((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8)	\
--- 240,248 ----
  #ifdef __mips64
  #ifdef __MIPSEB__
  #define va_arg(__AP, __type)                                    \
!   ((__type *) (void *) (__AP = (char *)                         \ 
!                        ((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \
! 			   + __va_rounded_size (__type))))[-1]
  #else
  #define va_arg(__AP, __type)                                    \
    ((__AP = (char *) ((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8)	\
***************
*** 255,270 ****
  /* For big-endian machines.  */
  #define va_arg(__AP, __type)					\
    ((__AP = (char *) ((__alignof__ (__type) > 4			\
! 		      ? ((int)__AP + 8 - 1) & -8		\
! 		      : ((int)__AP + 4 - 1) & -4)		\
  		     + __va_rounded_size (__type))),		\
     *(__type *) (void *) (__AP - __va_rounded_size (__type)))
  #else
  /* For little-endian machines.  */
  #define va_arg(__AP, __type)						    \
    ((__type *) (void *) (__AP = (char *) ((__alignof__(__type) > 4	    \
! 					  ? ((int)__AP + 8 - 1) & -8	    \
! 					  : ((int)__AP + 4 - 1) & -4)	    \
  					 + __va_rounded_size(__type))))[-1]
  #endif
  #endif
--- 256,271 ----
  /* For big-endian machines.  */
  #define va_arg(__AP, __type)					\
    ((__AP = (char *) ((__alignof__ (__type) > 4			\
! 		      ? ((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8	\
! 		      : ((__PTRDIFF_TYPE__)__AP + 4 - 1) & -4)	\
  		     + __va_rounded_size (__type))),		\
     *(__type *) (void *) (__AP - __va_rounded_size (__type)))
  #else
  /* For little-endian machines.  */
  #define va_arg(__AP, __type)						    \
    ((__type *) (void *) (__AP = (char *) ((__alignof__(__type) > 4	    \
! 				? ((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8	    \
! 				: ((__PTRDIFF_TYPE__)__AP + 4 - 1) & -4)    \
  					 + __va_rounded_size(__type))))[-1]
  #endif
  #endif