Re: c/7082: ICE in copy_to_mode_reg, at explow.c:711

Re: c/7082: ICE in copy_to_mode_reg, at explow.c:711

[hubicka]

Synopsis: ICE in copy_to_mode_reg, at explow.c:711

State-Changed-From-To: open->closed
State-Changed-By: hubicka
State-Changed-When: Wed Dec  4 15:23:13 2002
State-Changed-Why:
    No longer reproduces on mainline

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7082

Re: c/7082: ICE in copy_to_mode_reg, at explow.c:711

[Christian Ehrhardt]

The following reply was made to PR c/7082; it has been noted by GNATS.

From: "Christian Ehrhardt" <ehrhardt@mathematik.uni-ulm.de>
To: gcc-gnats@gcc.gnu.org, gcc-prs@gcc.gnu.org, aj@suse.de, meissner@suse.de,
  gcc-bugs@gcc.gnu.org, nobody@gcc.gnu.org
Cc:  
Subject: Re: c/7082: ICE in copy_to_mode_reg, at explow.c:711
Date: Wed, 4 Dec 2002 15:33:00 +0100

 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7082
 
 Hi,
 
 for what it's worth: I can confirm this on sparc with -m64. Setting any
 -O switch makes it go away, -da doesn't open a single debugging file,
 not even .00.rtl.
 
    regards  Christian
 
 -- 
 THAT'S ALL FOLKS!

c/7082: ICE in copy_to_mode_reg, at explow.c:711

[meissner]

>Number:         7082
>Category:       c
>Synopsis:       ICE in copy_to_mode_reg, at explow.c:711
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-legal-code
>Submitter-Id:   net
>Arrival-Date:   Thu Jun 20 03:06:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Marcus Meissner <meissner@suse.de>
>Release:        gcc version 3.1.1 20020610 (prerelease)
>Organization:
>Environment:
64bit arch
>Description:
On 64bit architectures (ia64, x86_64, ppc64), the following code snippet ices:
$ gcc -O2 xx.c  
xx.c: In function `f':
xx.c:7: Internal compiler error in copy_to_mode_reg, at explow.c:711
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
$ 
(included in how-to-repeat section)

Further reduction of the testcase appears not possible.

Ciao, Marcus
>How-To-Repeat:
extern int b;
extern short int *a;

extern void g(short int*);

void f() {
        g(a+((8*(b==1||b==3))+(b==2||b==3)));
}
>Fix:
no clue
>Release-Note:
>Audit-Trail:
>Unformatted: