[Bug c/47809] New: ICE in gimplify_expr, at gimplify.c:7291 [4.6]

[Bug c/47809] New: ICE in gimplify_expr, at gimplify.c:7291 [4.6]

[svfuerst at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47809

           Summary: ICE in gimplify_expr, at gimplify.c:7291 [4.6]
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: svfuerst@gmail.com


gcc-4.6 --version 
gcc-4.6.real (Debian 4.6-20110216-1) 4.6.0 20110216 (experimental) [trunk
revision 170225]


gcc-4.6 test_ice.c -lm -o test_ice
test_ice.c: In function 'foo':
test_ice.c:8:4: internal compiler error: in gimplify_expr, at gimplify.c:7291


double pow(double, double);
typedef long long __m128i __attribute__ ((__vector_size__ (16),
__may_alias__));
typedef double __m128d __attribute__ ((__vector_size__ (16), __may_alias__));

__m128d foo(__m128d x)
{
    x *= (__m128d) {pow(1.0, 1.0), 0.0};

    return (__m128d) ((__m128i) x ^ (__m128i) {0, 0});
}

[Bug c/47809] [4.5/4.6 Regression] ICE in gimplify_expr, at gimplify.c:7291

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47809

Uros Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.02.19 15:36:33
   Target Milestone|---                         |4.5.3
            Summary|ICE in gimplify_expr, at    |[4.5/4.6 Regression] ICE in
                   |gimplify.c:7291 [4.6]       |gimplify_expr, at
                   |                            |gimplify.c:7291
     Ever Confirmed|0                           |1

--- Comment #1 from Uros Bizjak <ubizjak at gmail dot com> 2011-02-19 15:36:33 UTC ---
Confirmed on x86_64-pc-linux-gnu, 4.5/4.6 regression.

[Bug c/47809] [4.5/4.6 Regression] ICE in gimplify_expr, at gimplify.c:7291

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47809

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |jakub at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-19 17:31:43 UTC ---
Created attachment 23405
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23405
gcc46-pr47809.patch

Untested fix.

[Bug c/47809] [4.5/4.6 Regression] ICE in gimplify_expr, at gimplify.c:7291

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47809

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-19 20:57:15 UTC ---
Author: jakub
Date: Sat Feb 19 20:57:12 2011
New Revision: 170323

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170323
Log:
    PR c/47809
    * c-common.c (c_fully_fold_internal): Handle VIEW_CONVERT_EXPR.

    * gcc.target/i386/pr47809.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr47809.c
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.c
    trunk/gcc/testsuite/ChangeLog

[Bug c/47809] [4.5 Regression] ICE in gimplify_expr, at gimplify.c:7291

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47809

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |4.6.0
            Summary|[4.5/4.6 Regression] ICE in |[4.5 Regression] ICE in
                   |gimplify_expr, at           |gimplify_expr, at
                   |gimplify.c:7291             |gimplify.c:7291
      Known to fail|                            |4.5.2

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-19 21:09:35 UTC ---
Fixed on the trunk so far.

[Bug c/47809] [4.5 Regression] ICE in gimplify_expr, at gimplify.c:7291

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47809

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2

[Bug c/47809] [4.5 Regression] ICE in gimplify_expr, at gimplify.c:7291

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47809

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-04-07 18:25:53 UTC ---
Author: jakub
Date: Thu Apr  7 18:25:50 2011
New Revision: 172114

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172114
Log:
    Backported from mainline
    2011-02-19  Jakub Jelinek  <jakub@redhat.com>

    PR c/47809
    * c-common.c (c_fully_fold_internal): Handle VIEW_CONVERT_EXPR.

    * gcc.target/i386/pr47809.c: New test.

Added:
    branches/gcc-4_5-branch/gcc/testsuite/gcc.target/i386/pr47809.c
Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/c-common.c
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog

[Bug c/47809] [4.5 Regression] ICE in gimplify_expr, at gimplify.c:7291

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47809

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-04-07 18:40:31 UTC ---
Fixed.