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gcc/gcc ChangeLog config/rs6000/rs6000-protos. ...

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	2004-11-14 20:28:59

Modified files:
	gcc            : ChangeLog 
	gcc/config/rs6000: rs6000-protos.h rs6000.c rs6000.h 

Log message:
	Basic ABI changes for passing structs by value in 64-bit Darwin.
	* config/rs6000/rs6000.c (rs6000_darwin64_abi): New flag.
	(rs6000_override_options): Set it for 64-bit Darwin.
	(rs6000_parse_abi_options): Add testing options to change it.
	(rs6000_return_in_memory): Test whether the type is one
	that can be passed in registers.
	(darwin64_function_arg_advance): New.
	(function_arg_advance): Call it, plus add recursion depth
	argument and test when counting off arguments.
	(rs6000_darwin64_function_arg): New.
	(function_arg): Call it.
	(setup_incoming_varargs): Add argument to function_arg_advance.
	(rs6000_darwin64_function_value): New.
	(rs6000_function_value): Call it.
	* config/rs6000/rs6000.h (FUNCTION_ARG_ADVANCE): Pass depth arg.
	* config/rs6000/rs6000-protos.h: Update decl of


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