Re: [patch i386]: Implementation for call abi switching via attribute.

[Kai Tietz <Kai dot Tietz at onevision dot com>]

Mark and Honza,

I modified the patch to use sysv_abi and SYSV_ABI again.

ChangeLog

2008-05-30  Kai Tietz  <kai.tietz@onevision.com>

        * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
        * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
        * function.c (allocate_struct_function): Use of
        OVERRIDE_ABI_FORMAT.
        * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
        of cfun and DEFAULT_ABI to deceide abi mode.
        (DEFAULT_ABI): New.
        (REG_PARM_STACK_SPACE): Removed.
        (OUTGOING_REG_PARM_STACK_SPACE): Removed.
        (STACK_BOUNDARY): Use default target to deceide stack boundary.
        * config/i386/i386-protos.h (ix86_cfun_abi): New.
        (ix86_function_abi): Likewise.
        (ix86_function_type_abi): Likewise.
        (ix86_call_abi_override): Likewise.
        * config/i386/i386.c (override_options): Replace 
TARGET_64BIT_MS_ABI.
        (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by 
abi
        specific defines.
        (X86_64_REGPARM_MAX): New.
        (X86_64_SSE_REGPARM_MAX): New.
        (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
        (ix86_function_regparm): Handle user calling abi.
        (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
        by DEFAULT_ABI versus SYSV_ABI check.
        (ix86_reg_parm_stack_space): New.
        (ix86_function_type_abi): New.
        (ix86_call_abi_override): New.
        (ix86_function_abi): New.
        (ix86_cfun_abi): New.
        (init_cumulative_args): Call abi specific initialization.
        (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
        (function_arg_64): Extend SSE_REGPARM_MAX check.
        (function_arg (): Remove TARGET_64BIT_MS_ABI.
        (ix86_pass_by_reference): Likewise.
        (ix86_function_value_regno_p): Likewise.
        (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
        (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
        (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
        (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
        (setup_incoming_varargs_64): Adjust regparm for call abi.
        (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
        (ix86_va_start): Likewise.
        (ix86_gimplify_va_arg): Likewise.
        (ix86_expand_prologue): Likewise.
        (output_pic_addr_const): Likewise.
        (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
        (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
        (x86_output_mi_thunk): Likewise.
        (x86_function_profiler): Likewise.
        * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
        (SYSV_ABI, MS_ABI): New constants.
        (DEFAULT_ABI): New.
        (init_regs): Add prototype of function in regclass.c file.
        (OVERRIDE_ABI_FORMAT): New.
        (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
        (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
        (OUTGOING_REG_PARM_STACK_SPACE): New.
        (ix86_reg_parm_stack_space): New prototype.
        (CUMULATIVE_ARGS): Add call_abi member.
        (machine_function): Add call_abi member.
        * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace 
TARGET_64BIT_MS_ABI
        by DEFAULT_ABI compare to MS_ABI.

Is this patch ok for apply on trunk?

Thanks in advance,
  Kai



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Attachment: amd64_abis_part2.txt
Description: Text document