[patch i386 windows]: Introduce call-abi for 32-bit mingw and make callee_pop_aggregate_return attribute by default on for 32-bit mingw target

[Richard Henderson]

On 03/24/2011 10:35 AM, Kai Tietz wrote:
> 	* config/i386/cygming.h (DWARF_FRAME_REGISTERS): Adjust comment.
> 	(STACK_BOUNDARY): Check for bit-ness in case of MS_ABI.
> 	* config/i386/i386.c (ix86_conditional_register_usage): Adjust
> 	comment and use macro TARGET_64BIT_MS_ABI instead.
> 	(ix86_keep_aggregate_return_pointer): Optimize for 64-bit case
> 	and change default behavior for 32-bit MS_ABI.
> 	(ix86_reg_parm_stack_space): Check additionally for bit-ness.
> 	(ix86_function_type_abi): Allow check for ms_abi/sysv_abi for
> 	32-bit, too.
> 	(ix86_cfun_abi): Likewise.
> 	(ix86_maybe_switch_abi): Adjust comment.
> 	(init_cumulative_args): Check for bit-ness in MS_ABI case.
> 	(ix86_gimplify_va_arg): Check just for not TARGET_64BIT_MS_ABI
> 	instead of checking for SYSV_ABI.
> 	(ix86_nsaved_sseregs): Likewise.
> 	(ix86_compute_frame_layout): Set only for 64-bit MS_ABI alignment
> 	to 16 bytes.
> 	(ix86_expand_call): Use TARGET_64BIT_MS_ABI macro.
> 	* config/i386.h (TARGET_32BIT_MS_ABI): New macro.
> 	(ACCUMULATE_OUTGOING_ARGS): Check explicit for 64-bit MS_ABI.
> 	(OUTGOING_REG_PARM_STACK_SPACE): Likewise.
> 	* config/mingw32.h (DEFAULT_ABI): Change default always to MS_ABI.

Ok.


r~