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Re: builtin_return_addr vs frame_pointer_needed vs -O3

To: rth at redhat dot com
Subject: Re: builtin_return_addr vs frame_pointer_needed vs -O3
From: DJ Delorie <dj at redhat dot com>
Date: Wed, 31 Jan 2001 21:22:44 -0500
CC: gcc at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
References: <200101312226.RAA29943@greed.delorie.com> <20010131170452.A13854@redhat.com>


It does fix 20010122-1, though :-)

> 	* config/i386/i386.c (ix86_frame_pointer_required): New.
> 	(ix86_setup_frame_addresses): New.
> 	(struct machine_funciton): Add accesses_prev_frame.
> 	* config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
> 	ix86_frame_pointer_required.
> 	(SUBTARGET_FRAME_POINTER_REQUIRED): New.
> 	(SETUP_FRAME_ADDRESSES): New.
> 	* config/i386/i386-protos.h: Update.
> 	* config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
> 	from FRAME_POINTER_REQUIRED.
> 	* config/i386/svr3gas.h: Likewise.
> 	* config/i386/sysv3.h: Likewise.
> 	* config/i386/v3gas.h: Likewise.

References:
- builtin_return_addr vs frame_pointer_needed vs -O3
  - From: DJ Delorie
- Re: builtin_return_addr vs frame_pointer_needed vs -O3
  - From: Richard Henderson

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