[Bug rtl-optimization/26725] New: ICE in check_reg_live, at haifa-sched.c:4645 with -O2 at IPF

[Bug rtl-optimization/26725] New: ICE in check_reg_live, at haifa-sched.c:4645 with -O2 at IPF

[grigory_zagorodnev at linux dot intel dot com]

GCC 4.2 revision 112135 failed to compile SPEC cpu2000/197.parser.
Here is the minimal reproducer:

struct Exp_struct {
    char type;
    unsigned char cost;
};
extern void foo();
void print_expression(struct Exp_struct * n)
{
  int i;
  if (n->type == 2)
  {
    for (i=0; i<n->cost; i++) foo();
    foo();
  } else {
    for (i=0; i<n->cost; i++) foo();
    if (n->cost == 0) foo();
  }
}

$ gcc-42 -c -O2 par.c                                          
par.c: In function 'print_expression':
par.c:17: internal compiler error: in check_reg_live, at haifa-sched.c:4645
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: ICE in check_reg_live, at haifa-sched.c:4645 with -O2 at
                    IPF
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: grigory_zagorodnev at linux dot intel dot com
 GCC build triplet: ia64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26725

[Bug rtl-optimization/26725] [4.2 Regression] ICE in check_reg_live, at haifa-sched.c:4645 with -O2 on ia64

[pinskia at gcc dot gnu dot org]

-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 GCC target triplet|                            |ia64-unknown-linux-gnu
           Keywords|                            |ice-on-valid-code
            Summary|ICE in check_reg_live, at   |[4.2 Regression] ICE in
                   |haifa-sched.c:4645 with -O2 |check_reg_live, at haifa-
                   |at IPF                      |sched.c:4645 with -O2 on
                   |                            |ia64
   Target Milestone|---                         |4.2.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26725

[Bug rtl-optimization/26725] [4.2 Regression] ICE in check_reg_live, at haifa-sched.c:4645 with -O2 on ia64

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2006-03-22 04:16 -------
Confirmed,
the patch which was submitted was here:
http://gcc.gnu.org/ml/gcc-patches/2006-03/msg01127.html


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2006-03-22 04:16:48
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26725

[Bug rtl-optimization/26725] [4.2 Regression] ICE in check_reg_live, at haifa-sched.c:4645 with -O2 on ia64

[mkuvyrkov at gcc dot gnu dot org]

-- 

mkuvyrkov at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |mkuvyrkov at gcc dot gnu dot
                   |dot org                     |org
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2006-03-22 04:16:48         |2006-03-30 15:11:46
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26725

[Bug rtl-optimization/26725] [4.2 Regression] ICE in check_reg_live, at haifa-sched.c:4645 with -O2 on ia64

[tbm at cyrius dot com]

------- Comment #2 from tbm at cyrius dot com  2006-04-17 18:29 -------
What's the status of this bug?  Did nobody comment on the proposed patch?


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26725

[Bug rtl-optimization/26725] [4.2 Regression] ICE in check_reg_live, at haifa-sched.c:4645 with -O2 on ia64

[tbm at cyrius dot com]

------- Comment #3 from tbm at cyrius dot com  2006-04-21 15:49 -------
This is a very common bug (seen when compiling the Debian archive).  Please set
priority to P1.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26725

[Bug rtl-optimization/26725] [4.2 Regression] ICE in check_reg_live, at haifa-sched.c:4645 with -O2 on ia64

[tbm at cyrius dot com]

------- Comment #4 from tbm at cyrius dot com  2006-04-24 08:29 -------
Richard, what's the status of your patch?


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26725

[Bug rtl-optimization/26725] [4.2 Regression] ICE in check_reg_live, at haifa-sched.c:4645 with -O2 on ia64

[rsandifo at gcc dot gnu dot org]

------- Comment #5 from rsandifo at gcc dot gnu dot org  2006-04-25 21:34 -------
Subject: Bug 26725

Author: rsandifo
Date: Tue Apr 25 21:34:48 2006
New Revision: 113257

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=113257
Log:
gcc/
        PR rtl-optimization/26725
        * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
        block's BB_DIRTY flag.

gcc/testsuite/
        * gcc.c-torture/compile/pr26725.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr26725.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgrtl.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26725

[Bug rtl-optimization/26725] [4.2 Regression] ICE in check_reg_live, at haifa-sched.c:4645 with -O2 on ia64

[rsandifo at gcc dot gnu dot org]

------- Comment #6 from rsandifo at gcc dot gnu dot org  2006-04-25 21:36 -------
Patch applied to trunk.


-- 

rsandifo at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26725