[Bug rtl-optimization/29924] New: [4.3 Regression] pr24626-4.c fails on powerpc-aix and others

[Bug rtl-optimization/29924] New: [4.3 Regression] pr24626-4.c fails on powerpc-aix and others

[pinskia at gcc dot gnu dot org]

pr24626-4.c fails on powerpc-aix and also on powerpc-darwin with the following
options: " -fmodulo-sched -O2 -mcpu=970 -mno-powerpc64".
pr24626-4.c: In function 'foo':
pr24626-4.c:12: internal compiler error: in split_edge_and_insert, at
loop-unroll.c:908
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.


Testcase:
int foo(short* vec1, short* vec2, short* vec3,int len )
{
        int temp,i;
        for (i=0; i<len; i++) {
                 temp = vec1[i] * 2;
                 temp += vec2[i] * 3 ;
                 vec3[i] = temp;
        }
}


-- 
           Summary: [4.3 Regression] pr24626-4.c fails on powerpc-aix and
                    others
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: pinskia at gcc dot gnu dot org
GCC target triplet: powerpc-*


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29924

[Bug rtl-optimization/29924] [4.3 Regression] pr24626-4.c fails on powerpc-aix and others

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2006-11-21 07:07 -------
Caused by:
        * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
        loop_split_edge_with.


http://gcc.gnu.org/ml/gcc-testresults/2006-11/msg00922.html


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rakdver at gcc dot gnu dot
                   |                            |org
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2006-11-21 07:07:31
               date|                            |
   Target Milestone|---                         |4.3.0
            Version|unknown                     |4.3.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29924

[Bug rtl-optimization/29924] [4.3 Regression] pr24626-4.c fails on powerpc-aix and others

[rakdver at gcc dot gnu dot org]

-- 

rakdver at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |rakdver at gcc dot gnu dot
                   |dot org                     |org
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2006-11-21 07:07:31         |2006-11-21 08:43:33
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29924

[Bug rtl-optimization/29924] [4.3 Regression] pr24626-4.c fails on powerpc-aix and others

[rakdver at gcc dot gnu dot org]

------- Comment #2 from rakdver at gcc dot gnu dot org  2006-11-22 00:13 -------
Subject: Bug 29924

Author: rakdver
Date: Wed Nov 22 00:12:52 2006
New Revision: 119078

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=119078
Log:
        PR rtl-optimization/29924
        * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
        (unroll_loop_runtime_iterations): Assert that the argument passed to
        split_edge_and_insert is not NULL.
        * loop-doloop.c (add_test): Ditto.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/loop-doloop.c
    trunk/gcc/loop-unroll.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29924

[Bug rtl-optimization/29924] [4.3 Regression] pr24626-4.c fails on powerpc-aix and others

[pinskia at gcc dot gnu dot org]

------- Comment #3 from pinskia at gcc dot gnu dot org  2006-11-23 03:13 -------
Fixed.


-- 

pinskia at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29924