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Re: target/8343: m68k-elf/rtems ICE at instantiate_virtual_regs_1
- From: Jan Hubicka <jh at suse dot cz>
- To: hubicka at gcc dot gnu dot org
- Cc: gcc-prs at gcc dot gnu dot org,
- Date: 25 Oct 2002 23:46:02 -0000
- Subject: Re: target/8343: m68k-elf/rtems ICE at instantiate_virtual_regs_1
- Reply-to: Jan Hubicka <jh at suse dot cz>
The following reply was made to PR target/8343; it has been noted by GNATS.
From: Jan Hubicka <jh@suse.cz>
To: joel@gcc.gnu.org, ccj@acm.org, gcc-bugs@gcc.gnu.org,
gcc-prs@gcc.gnu.org, hubicka@gcc.gnu.org, joel@OARcorp.com,
nobody@gcc.gnu.org, pbarada@mail.wm.sps.mot.com,
gcc-gnats@gcc.gnu.org
Cc:
Subject: Re: target/8343: m68k-elf/rtems ICE at instantiate_virtual_regs_1
Date: Sat, 26 Oct 2002 01:38:57 +0200
> Synopsis: m68k-elf/rtems ICE at instantiate_virtual_regs_1
>
> Responsible-Changed-From-To: unassigned->hubicka
> Responsible-Changed-By: joel
> Responsible-Changed-When: Fri Oct 25 14:05:18 2002
> Responsible-Changed-Why:
> Tracked to patch you committed. :)
That just adds check for bugs elsewhere... OK I will check at monday.
Honza
> ===================================
> FInal feedback from Peter.
>
> 'cvs update -D "2001/05/19 04:24:49" gcc' works
> 'cvs update -D "2001/05/19 04:29:50" gcc' fails
>
> The only thing of interest changing is gcc/gcc/recog.c, from version
> 1.102 to version 1.103.
>
> The log for gcc/gcc/recog.c looks like:
>
> revision 1.103
> date: 2001/05/19 08:24:50; author: hubicka; state: Exp; lines: +85 -150
> * recog.c (general_operand): Prohibit nonzero subreg bytes on
> subregs containing mem.
>
>
> This was with the following testcase:
>
> extern unsigned foo;
> unsigned long long
> bar (void)
> {
> unsigned long long t = foo;
> return t * foo;
> }
>
>
> ===================================
>
> http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8343