[Bug tree-optimization/43074] New: [4.4/4.5 Regression] ICE in vectorizable_reduction, at tree-vect-loop.c:3491

[Bug tree-optimization/43074] New: [4.4/4.5 Regression] ICE in vectorizable_reduction, at tree-vect-loop.c:3491

[rguenth at gcc dot gnu dot org]

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
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float
pvslockprocess(float *fout, float *fin, int framesize)
{
  int i;
  float mag=0.0f, diff;
  for (i = 0; i < framesize; i += 2) {
      mag += fin[i];
      fout[i] = fin[i];
      fout[i+1] = fin[i+1];
  }
  return mag;
}

> gcc-4.5 -O3 -ffast-math t.3.3.i
t.3.3.i: In function 'pvslockprocess':
t.3.3.i:2:1: internal compiler error: in vectorizable_reduction, at
tree-vect-loop.c:3491
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

> gcc-4.4 -O3 -ffast-math t.3.3.i
t.3.3.i: In function ‘pvslockprocess’:
t.3.3.i:2: internal compiler error: in vect_get_vec_def_for_operand, at
tree-vect-transform.c:1999
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://bugs.opensuse.org/> for instructions.


-- 
           Summary: [4.4/4.5 Regression] ICE in vectorizable_reduction, at
                    tree-vect-loop.c:3491
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rguenth at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43074

[Bug tree-optimization/43074] [4.4/4.5 Regression] ICE in vectorizable_reduction, at tree-vect-loop.c:3491

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |irar at gcc dot gnu dot org
   Target Milestone|---                         |4.4.4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43074

[Bug tree-optimization/43074] [4.4/4.5 Regression] ICE in vectorizable_reduction, at tree-vect-loop.c:3491

[irar at il dot ibm dot com]

-- 

irar at il dot ibm dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |irar at il dot ibm dot com
                   |dot org                     |
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2010-02-15 12:39:54
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43074

[Bug tree-optimization/43074] [4.4/4.5 Regression] ICE in vectorizable_reduction, at tree-vect-loop.c:3491

[irar at gcc dot gnu dot org]

------- Comment #1 from irar at gcc dot gnu dot org  2010-02-16 11:35 -------
Subject: Bug 43074

Author: irar
Date: Tue Feb 16 11:35:03 2010
New Revision: 156800

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=156800
Log:

        PR tree-optimization/43074
        * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
        * tree-vect-loop.c (vect_analyze_loop_operations): Add
        vectorizable cycles in hybrid SLP check.
        * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/fast-math-pr43074.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c
    trunk/gcc/tree-vect-slp.c
    trunk/gcc/tree-vectorizer.h


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43074

[Bug tree-optimization/43074] [4.4/4.5 Regression] ICE in vectorizable_reduction, at tree-vect-loop.c:3491

[irar at gcc dot gnu dot org]

------- Comment #2 from irar at gcc dot gnu dot org  2010-02-16 11:42 -------
Subject: Bug 43074

Author: irar
Date: Tue Feb 16 11:41:55 2010
New Revision: 156802

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=156802
Log:

        PR tree-optimization/43074
        * tree-vect-analyze.c (vect_detect_hybrid_slp_stmts): Add
        vectorizable cycles in hybrid SLP check.


Added:
    branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/vect/fast-math-pr43074.c
Modified:
    branches/gcc-4_4-branch/gcc/ChangeLog
    branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_4-branch/gcc/tree-vect-analyze.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43074

[Bug tree-optimization/43074] [4.4/4.5 Regression] ICE in vectorizable_reduction, at tree-vect-loop.c:3491

[mmitchel at gcc dot gnu dot org]

------- Comment #3 from mmitchel at gcc dot gnu dot org  2010-02-17 17:42 -------
Richard, is this fixed now?


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43074

[Bug tree-optimization/43074] [4.4/4.5 Regression] ICE in vectorizable_reduction, at tree-vect-loop.c:3491

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2010-02-18 09:43 -------
Yep.  Fixed.  Thanks Ira.


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
      Known to fail|                            |4.4.3
      Known to work|                            |4.4.4 4.5.0
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43074