Re: target/10213: [3.4 regression] optimization problem with ix86 fast prologue with -O2 -fPIC

[Jan Hubicka <jh@suse.cz>]

The following reply was made to PR target/10213; it has been noted by GNATS.

From: Jan Hubicka <jh@suse.cz>
To: snyder <snyder@fnal.gov>
Cc: Jan Hubicka <jh@suse.cz>, bangerth@dealii.org,
	gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org,
	gcc-gnats@gcc.gnu.org
Subject: Re: target/10213: [3.4 regression] optimization problem with ix86 fast prologue with -O2 -fPIC
Date: Mon, 19 May 2003 15:51:43 +0200

 > 
 > hi -
 > 
 > >Jan Hubicka writes:
 > >Can you point me to the patch?  I was off for a while and missed the
 > >thread.  In case the fast prologues was disabled, I would like to fix
 > >the real problem instead.
 > 
 > I think this is the patch that i was remembering:
 > 
 > Thu Apr  3 00:18:49 CEST 2003  Jan Hubicka  <jh@suse.cz>
 > 
 >         * i386.c (override_options):  Disable red zone by default on i386.
 >         (compute_frame_layout, ix86_force_to_memory, ix86_free_from_memory):
 >         Do not test TARGET_64BIT together with TARGET_RED_ZONE
 > 
 > 
 > I admit i never looked at the actual code, though, to be sure
 > of what it was doing.  When i saw that appear in the changelog,
 > i thought that it was a reaction to the bug that i had reported...
 I see,
 that patch disable red zone on i386, where one can't use it but not for
 x86-64, so the code path is not dead.  The bugreport is ineed solved and
 can be closed.  Thanks!
 
 Honza
 > 
 > sss