[Bug target/47998] New: ICE of -O2

[Bug target/47998] New: ICE of -O2

[ysato at users dot sourceforge.jp]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47998

           Summary: ICE of -O2
           Product: gcc
           Version: 4.5.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: ysato@users.sourceforge.jp
            Target: h8300-elf


$ cat ice-test.c
unsigned char buf[2048];
unsigned char *ptr;

void test(void)
{
  ptr = buf + (32 - 1);
  ptr -= (unsigned long)ptr % 32;
}

$ h8300-elf-gcc-4.5.3 -mh -mint32 -g -O2 -S ice-test.c
ice-test.c: In function ‘test’:
ice-test.c:8:1: internal compiler error: in gen_lowpart_general, at
rtlhooks.c:59

-O0 or -O1 is no problem.

[Bug target/47998] ICE of -O2

[ysato at users dot sourceforge.jp]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47998

--- Comment #1 from Yoshinori Sato <ysato at users dot sourceforge.jp> 2011-03-06 08:11:08 UTC ---
Created attachment 23557
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23557
proposal fix

It mismatch of restriction rule.

[Bug target/47998] ICE of -O2

[ysato at users dot sourceforge.jp]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47998

Yoshinori Sato <ysato at users dot sourceforge.jp> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #23557|0                           |1
        is obsolete|                            |

--- Comment #2 from Yoshinori Sato <ysato at users dot sourceforge.jp> 2011-03-06 08:55:28 UTC ---
Created attachment 23558
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23558
proposal fix

Sorry. I mistake.
Update changes.

[Bug target/47998] ICE of -O2

[law at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47998

Jeffrey A. Law <law at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |law at redhat dot com
         Resolution|---                         |DUPLICATE

--- Comment #3 from Jeffrey A. Law <law at redhat dot com> ---
It's not obvious, but this is a duplicate of 45623 which was resolved years
ago.

*** This bug has been marked as a duplicate of bug 45633 ***