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Re: target/8343: m68k-elf/rtems ICE at instantiate_virtual_regs_1
- From: Graham Stott <graham dot stott at btinternet dot com>
- To: joel at gcc dot gnu dot org, ccj at acm dot org, gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, joel at OARcorp dot com, nobody at gcc dot gnu dot org, pbarada at mail dot wm dot sps dot mot dot com, gcc-gnats at gcc dot gnu dot org
- Date: Fri, 25 Oct 2002 18:18:53 +0100
- Subject: Re: target/8343: m68k-elf/rtems ICE at instantiate_virtual_regs_1
- References: <20021025125946.32168.qmail@sources.redhat.com>
joel@gcc.gnu.org wrote:
Synopsis: m68k-elf/rtems ICE at instantiate_virtual_regs_1
State-Changed-From-To: open->feedback
State-Changed-By: joel
State-Changed-When: Fri Oct 25 05:59:45 2002
State-Changed-Why:
Peter Barada has this important piece of information which
should be a big clue to fixing it:
Ok, I've narrowed your ICE down to between two version, one 525 days
ago(where it worked) and 523 days ago (where it failed).
The verion from each is:
Fail: version 3.1 20010519
Work: version 3.1 20010517
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8343
The original test case can be cut down to the following
which fails at -O0 on cvs head
----------------------------------------------------------
extern unsigned foo;
unsigned long long
bar (void)
{
unsigned long long t = foo;
return t * foo;
}
----------------------------------------------------------