va_list: m32r

[Nick Clifton]

Hi Richard,

: 	* m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set 
:         for the register spill block.
:         (m32r_va_arg): New.
:         * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
: 	(EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
: 
: 	* m32r.h (INT8_P): Don't short-cut test with (unsigned).
: 	(INT16_P, CMP_INT16_P, UINT16_P): Likewise.
: 	(UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.

This is great Richard.  Thanks for doing it.

Please check it in.

Cheers
	Nick