Re: Register parameters & m68k-unknown-coff

• Date: Mon, 27 Jan 1997 09:11:46 -0800
• From:
  Doug Evans <dje@cygnus.com>
• Reply-To:
  Doug Evans <dje@cygnus.com>
• CC: crossgcc@cygnus.com
• In-reply-to: <Pine.LNX.3.93.970126102240.209K-100000@linray.ray.fi> (message from Iso-H on Sun, 26 Jan 1997 16:22:35 +0200 (EET))

   Date: Sun, 26 Jan 1997 16:22:35 +0200 (EET)
   From: Iso-H <jd@ray.fi>

    I have problems with mixed register/stack parameter passing.

    I am using registers d0 and d1 for passing first and second parameter
    and stack for the rest.

    To get register parameter passing to work I added these 
    two macro to file "config/m68k/m68k-coff.h":

	  #undef TARGET_REGPARM
	  #define TARGET_REGPARM (1)

	  #undef  FUNCTION_ARG_REGNO_P
	  #define FUNCTION_ARG_REGNO_P(N) ((N)==0 || (N)==1)

    Everything seems to be ok until I used varargs; stack
    parameters works (actually everything works just ok, 
    if I use more than two fixed parameter!) , but register
    parameters not. 

• Register parameters & m68k-unknown-coff
• From: Iso-H <jd@ray.fi>

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