* config/mips/mips.h (struct mips_args): Clarify comments.
	* config/mips/mips.c (struct mips_arg_info): Likewise.
	(mips_arg_info): Don't allow fpr_p to affect the register or
	stack alignment.  Remove o64 silliness.
	(function_arg): Deal with the o32 float,float case specially.

From-SVN: r88090