[Bug middle-end/40328] New: internal compiler error: in set_ssa_val_to, at tree-ssa-sccvn.c:1811

[Bug middle-end/40328] New: internal compiler error: in set_ssa_val_to, at tree-ssa-sccvn.c:1811

[toon at moene dot org]

The attached Fortran source, when compiled with a recent version of the trunk,
gives the above ICE.

Compile options: -O3 -c.


-- 
           Summary:  internal compiler error: in set_ssa_val_to, at tree-
                    ssa-sccvn.c:1811
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: toon at moene dot org
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40328

[Bug middle-end/40328] internal compiler error: in set_ssa_val_to, at tree-ssa-sccvn.c:1811

[toon at moene dot org]

------- Comment #1 from toon at moene dot org  2009-06-03 08:50 -------
Created an attachment (id=17947)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17947&action=view)
Testcase

Attached the testcase.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40328

[Bug middle-end/40328] internal compiler error: in set_ssa_val_to, at tree-ssa-sccvn.c:1811

[toon at moene dot org]

------- Comment #2 from toon at moene dot org  2009-06-03 08:52 -------
The bug started to appear between revisions 147846 and 147982 of the trunk.


-- 

toon at moene dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-06-03 08:52:01
               date|                            |
            Summary| internal compiler error: in|internal compiler error: in
                   |set_ssa_val_to, at tree-ssa-|set_ssa_val_to, at tree-ssa-
                   |sccvn.c:1811                |sccvn.c:1811


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40328

[Bug middle-end/40328] internal compiler error: in set_ssa_val_to, at tree-ssa-sccvn.c:1811

[rguenth at gcc dot gnu dot org]

------- Comment #3 from rguenth at gcc dot gnu dot org  2009-06-03 11:25 -------
Mine.  We fail to fold COMPLEX_EXPR <0, 0> to COMPLEX_CST.


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40328

[Bug middle-end/40328] internal compiler error: in set_ssa_val_to, at tree-ssa-sccvn.c:1811

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2009-06-03 11:31 -------
I am testing the following:

Index: gcc/fold-const.c
===================================================================
--- gcc/fold-const.c    (revision 148119)
+++ gcc/fold-const.c    (working copy)
@@ -2643,9 +2643,10 @@ fold_convert (tree type, tree arg)
        case POINTER_TYPE: case REFERENCE_TYPE:
        case REAL_TYPE:
        case FIXED_POINT_TYPE:
-         return build2 (COMPLEX_EXPR, type,
-                        fold_convert (TREE_TYPE (type), arg),
-                        fold_convert (TREE_TYPE (type), integer_zero_node));
+         return fold_build2 (COMPLEX_EXPR, type,
+                             fold_convert (TREE_TYPE (type), arg),
+                             fold_convert (TREE_TYPE (type),
+                                           integer_zero_node));
        case COMPLEX_TYPE:
          {
            tree rpart, ipart;


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |rguenth at gcc dot gnu dot
                   |dot org                     |org
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2009-06-03 08:52:01         |2009-06-03 11:31:39
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40328

[Bug middle-end/40328] internal compiler error: in set_ssa_val_to, at tree-ssa-sccvn.c:1811

[toon at moene dot org]

------- Comment #5 from toon at moene dot org  2009-06-03 12:55 -------
It works for the testcase with your change (over revision 148127).


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40328

[Bug middle-end/40328] [4.5 Regression] internal compiler error: in set_ssa_val_to, at tree-ssa-sccvn.c:1811

[pinskia at gcc dot gnu dot org]

-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|internal compiler error: in |[4.5 Regression] internal
                   |set_ssa_val_to, at tree-ssa-|compiler error: in
                   |sccvn.c:1811                |set_ssa_val_to, at tree-ssa-
                   |                            |sccvn.c:1811
   Target Milestone|---                         |4.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40328

[Bug middle-end/40328] [4.5 Regression] internal compiler error: in set_ssa_val_to, at tree-ssa-sccvn.c:1811

[rguenth at gcc dot gnu dot org]

------- Comment #6 from rguenth at gcc dot gnu dot org  2009-06-03 15:31 -------
Subject: Bug 40328

Author: rguenth
Date: Wed Jun  3 15:30:52 2009
New Revision: 148134

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=148134
Log:
2009-06-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40328
        * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.

        * gcc.dg/torture/pr40328.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr40328.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40328

[Bug middle-end/40328] [4.5 Regression] internal compiler error: in set_ssa_val_to, at tree-ssa-sccvn.c:1811

[rguenth at gcc dot gnu dot org]

------- Comment #7 from rguenth at gcc dot gnu dot org  2009-06-03 15:44 -------
Fixed.


-- 

rguenth at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40328

[Bug middle-end/40328] [4.5 Regression] internal compiler error: in set_ssa_val_to, at tree-ssa-sccvn.c:1811

[hjl at gcc dot gnu dot org]

------- Comment #8 from hjl at gcc dot gnu dot org  2009-06-07 14:37 -------
Subject: Bug 40328

Author: hjl
Date: Sun Jun  7 14:36:55 2009
New Revision: 148248

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=148248
Log:
2009-06-07  H.J. Lu  <hongjiu.lu@intel.com>

        Backport from mainline:
        2009-06-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40328
        * gcc.dg/torture/pr40328.c: New testcase.

Added:
    branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/torture/pr40328.c
      - copied unchanged from r148247,
trunk/gcc/testsuite/gcc.dg/torture/pr40328.c
Modified:
    branches/gcc-4_4-branch/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40328

[Bug middle-end/40328] [4.5 Regression] internal compiler error: in set_ssa_val_to, at tree-ssa-sccvn.c:1811

[rguenth at gcc dot gnu dot org]

------- Comment #9 from rguenth at gcc dot gnu dot org  2009-07-07 12:44 -------
Subject: Bug 40328

Author: rguenth
Date: Tue Jul  7 12:44:32 2009
New Revision: 149321

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149321
Log:
2009-07-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40328
        PR tree-optimization/40669
        * tree-tailcall.c (adjust_accumulator_values): Properly
        set DECL_GIMPLE_REG_P.
        (adjust_return_value): Likewise.
        (tree_optimize_tail_calls_1): Likewise.
        * fold-const.c (fold_convert): Fold the built COMPLEX_EXPR.

        * gcc.dg/pr40669.c: New testcase.
        * gcc.dg/torture/pr40328.c: Likewise.

Added:
    branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/pr40669.c
    branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/torture/pr40328.c
Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/fold-const.c
    branches/gcc-4_3-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_3-branch/gcc/tree-tailcall.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40328

[Bug middle-end/40328] [4.5 Regression] internal compiler error: in set_ssa_val_to, at tree-ssa-sccvn.c:1811

[jakub at gcc dot gnu dot org]

------- Comment #10 from jakub at gcc dot gnu dot org  2009-07-07 14:07 -------
Subject: Bug 40328

Author: jakub
Date: Tue Jul  7 14:07:19 2009
New Revision: 149329

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149329
Log:
        PR middle-end/40669
        * tree-tailcall.c (adjust_return_value_with_ops,
        create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
        if it has complex or vector type.

        Backport from mainline:
        2009-06-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40328
        * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.

        * gcc.dg/pr40669.c: New test.

Added:
    branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/pr40669.c
Modified:
    branches/gcc-4_4-branch/gcc/ChangeLog
    branches/gcc-4_4-branch/gcc/fold-const.c
    branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_4-branch/gcc/tree-tailcall.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40328