[Bug c++/39607] New: internal compiler error: in emit_swap_insn, at reg-stack.c:827

[Bug c++/39607] New: internal compiler error: in emit_swap_insn, at reg-stack.c:827

[mario-baumann at web dot de]

> g++ -c foo.cpp -m32 -O2
foo.cpp: In member function 'AbcIval1d
AbcCone::GetLinearParamIval(AbcSurfType*) const':
foo.cpp:81: internal compiler error: in emit_swap_insn, at reg-stack.c:827

NOTES:
(1) g++ -c foo.cpp -m32 -O1 ................ works
(2) g++ -c foo.cpp -m64 -O2 ................ works
(3) comment out line 31 AND
    g++ -c foo.cpp -m32 -O2 ................ works

==============================================================================

> uname -a
Linux yoda.intec.dom 2.6.18-92.1.22.el5 #1 SMP Tue Dec 16 11:57:43 EST 2008
x86_64 x86_64 x86_64 GNU/Linux

> rpm -qa "glibc*" | grep -e 'glibc-[0-9]' | sort -u
glibc-2.5-24.el5_2.2

> g++ -v
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: /projects/tob/gcc-trunk-checkout/configure
--with-gmp-lib=/projects/tob/gcc-build/lib-aux
--with-mpfr-lib=/projects/tob/gcc-build/lib-aux
--enable-languages=c,fortran,c++ --prefix=/projects/tob/gcc-trunk
Thread model: posix
gcc version 4.5.0 20090331 (experimental) [trunk revision 145331] (GCC) 

> ld -v
GNU ld (GNU Binutils) 2.19


-- 
           Summary: internal compiler error: in emit_swap_insn, at reg-
                    stack.c:827
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: mario-baumann at web dot de
 GCC build triplet: x86_64-unknown-linux-gnu
GCC target triplet: i?86-*-*


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39607

[Bug c++/39607] internal compiler error: in emit_swap_insn, at reg-stack.c:827

[mario-baumann at web dot de]

------- Comment #1 from mario-baumann at web dot de  2009-04-01 07:58 -------
Created an attachment (id=17574)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17574&action=view)
bzipped foo.cpp file


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39607

[Bug rtl-optimization/39607] [4.5 Regression] Revision 145309 caused ICE in emit_swap_insn, at reg-stack.c:827

[hjl dot tools at gmail dot com]

------- Comment #2 from hjl dot tools at gmail dot com  2009-04-01 14:53 -------
This is caused by revision 145309:

http://gcc.gnu.org/ml/gcc-cvs/2009-03/msg00816.html


-- 

hjl dot tools at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |vmakarov at redhat dot com
             Status|UNCONFIRMED                 |NEW
          Component|c++                         |rtl-optimization
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-04-01 14:53:20
               date|                            |
            Summary|internal compiler error: in |[4.5 Regression] Revision
                   |emit_swap_insn, at reg-     |145309 caused ICE in
                   |stack.c:827                 |emit_swap_insn, at reg-
                   |                            |stack.c:827
   Target Milestone|---                         |4.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39607

[Bug rtl-optimization/39607] [4.5 Regression] Revision 145309 caused ICE in emit_swap_insn, at reg-stack.c:827

[hjl dot tools at gmail dot com]

------- Comment #3 from hjl dot tools at gmail dot com  2009-04-02 18:28 -------
Revert this change:

---
Index: ira-lives.c
===================================================================
--- ira-lives.c (revision 145308)
+++ ira-lives.c (revision 145309)
@@ -838,7 +838,7 @@ process_bb_node_lives (ira_loop_tree_nod
          high_pressure_start_point[ira_reg_class_cover[i]] = -1;
        }
       curr_bb_node = loop_tree_node;
-      reg_live_out = DF_LR_OUT (bb);
+      reg_live_out = df_get_live_out (bb);
       sparseset_clear (allocnos_live);
       REG_SET_TO_HARD_REG_SET (hard_regs_live, reg_live_out);
       AND_COMPL_HARD_REG_SET (hard_regs_live, eliminable_regset);
---

fixed ICE.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39607

[Bug rtl-optimization/39607] [4.5 Regression] Revision 145309 caused ICE in emit_swap_insn, at reg-stack.c:827

[hjl at gcc dot gnu dot org]

------- Comment #4 from hjl at gcc dot gnu dot org  2009-04-03 22:25 -------
Subject: Bug 39607

Author: hjl
Date: Fri Apr  3 22:25:32 2009
New Revision: 145522

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=145522
Log:
Mention

        PR rtl-optimization/39607
        PR rtl-optimization/39631

in ChangeLog for revision 145521.

Modified:
    trunk/gcc/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39607

[Bug rtl-optimization/39607] [4.5 Regression] Revision 145309 caused ICE in emit_swap_insn, at reg-stack.c:827

[hjl at gcc dot gnu dot org]

------- Comment #5 from hjl at gcc dot gnu dot org  2009-04-03 22:35 -------
Subject: Bug 39607

Author: hjl
Date: Fri Apr  3 22:34:29 2009
New Revision: 145525

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=145525
Log:
Mention PR rtl-optimization/39607.

Modified:
    trunk/gcc/testsuite/ChangeLog


------- Comment #6 from hjl at gcc dot gnu dot org  2009-04-03 22:35 -------
Subject: Bug 39607

Author: hjl
Date: Fri Apr  3 22:34:57 2009
New Revision: 145526

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=145526
Log:
Mention PR rtl-optimization/39607.

Modified:
    branches/gcc-4_4-branch/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39607

[Bug rtl-optimization/39607] [4.5 Regression] Revision 145309 caused ICE in emit_swap_insn, at reg-stack.c:827

[hjl at gcc dot gnu dot org]

------- Comment #5 from hjl at gcc dot gnu dot org  2009-04-03 22:35 -------
Subject: Bug 39607

Author: hjl
Date: Fri Apr  3 22:34:29 2009
New Revision: 145525

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=145525
Log:
Mention PR rtl-optimization/39607.

Modified:
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39607

[Bug rtl-optimization/39607] [4.5 Regression] Revision 145309 caused ICE in emit_swap_insn, at reg-stack.c:827

[hjl dot tools at gmail dot com]

------- Comment #7 from hjl dot tools at gmail dot com  2009-04-03 22:36 -------
Fixed.


-- 

hjl dot tools at gmail dot com changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39607