target/8343: m68k-elf/rtems ICE at instantiate_virtual_regs_1

[Jan Hubicka]

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