[Bug middle-end/40244] New: [4.5 Regression] Revision147829 caused extra failures

[Bug middle-end/40244] New: [4.5 Regression] Revision147829 caused extra failures

[hjl dot tools at gmail dot com]

On Linux/ia64, revision 147829:

http://gcc.gnu.org/ml/gcc-cvs/2009-05/msg00806.html

caused:

FAIL: Matrix4f -O3 compilation from source
FAIL: gcc.dg/vect/bb-slp-10.c scan-tree-dump-times slp "unsupported alignment
in basic block." 1
FAIL: gcc.dg/vect/bb-slp-4.c scan-tree-dump-times slp "basic block vectorized
using SLP" 0


-- 
           Summary: [4.5 Regression]  Revision147829 caused extra failures
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hjl dot tools at gmail dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40244

[Bug middle-end/40244] [4.5 Regression] Revision147829 caused extra failures

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 GCC target triplet|                            |ia64-*-*
   Target Milestone|---                         |4.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40244

[Bug middle-end/40244] [4.5 Regression] Revision147829 caused extra failures

[irar at il dot ibm dot com]

------- Comment #1 from irar at il dot ibm dot com  2009-05-26 08:58 -------
(In reply to comment #0)
> On Linux/ia64, revision 147829:
> http://gcc.gnu.org/ml/gcc-cvs/2009-05/msg00806.html
> caused:
> FAIL: Matrix4f -O3 compilation from source

Could you please provide some information, it doesn't fail on x86_64...

> FAIL: gcc.dg/vect/bb-slp-10.c scan-tree-dump-times slp "unsupported alignment
> in basic block." 1
> FAIL: gcc.dg/vect/bb-slp-4.c scan-tree-dump-times slp "basic block vectorized
> using SLP" 0

I think they can be fixed as following. Could you please check?

Index: testsuite/gcc.dg/vect/bb-slp-4.c
===================================================================
--- testsuite/gcc.dg/vect/bb-slp-4.c    (revision 147862)
+++ testsuite/gcc.dg/vect/bb-slp-4.c    (working copy)
@@ -18,14 +18,10 @@ main1 ()

   *pout++ = *pin++;
   *pout++ = *pin++;
-  *pout++ = *pin++;
-  *pout++ = *pin++;

   /* Check results.  */
   if (out[0] != in[0]
-      || out[1] != in[1]
-      || out[2] != in[2]
-      || out[3] != in[3])
+      || out[1] != in[1])
     abort();

   return 0;
Index: testsuite/gcc.dg/vect/bb-slp-10.c
===================================================================
--- testsuite/gcc.dg/vect/bb-slp-10.c   (revision 147862)
+++ testsuite/gcc.dg/vect/bb-slp-10.c   (working copy)
@@ -14,7 +14,7 @@ main1 (unsigned int x, unsigned int y)
 {
   int i;
   unsigned int *pin = &in[0];
-  unsigned int *pout = &out[2];
+  unsigned int *pout = &out[1];
   unsigned int a0, a1, a2, a3;

   /* Misaligned store.  */
@@ -29,10 +29,10 @@ main1 (unsigned int x, unsigned int y)
   *pout++ = a3 * y;

   /* Check results.  */
-  if (out[2] != (in[0] + 23) * x
-      || out[3] != (in[1] + 142) * y
-      || out[4] != (in[2] + 2) * x
-      || out[5] != (in[3] + 31) * y)
+  if (out[1] != (in[0] + 23) * x
+      || out[2] != (in[1] + 142) * y
+      || out[3] != (in[2] + 2) * x
+      || out[4] != (in[3] + 31) * y)
     abort();

   return 0;

Thanks,
Ira


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40244

[Bug middle-end/40244] [4.5 Regression] Revision147829 caused extra failures

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2009-05-28 14:53 -------
Waiting for HJ.


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40244

[Bug middle-end/40244] [4.5 Regression] Revision147829 caused extra failures

[hjl dot tools at gmail dot com]

------- Comment #3 from hjl dot tools at gmail dot com  2009-05-28 15:43 -------
(In reply to comment #1)
> (In reply to comment #0)
> > On Linux/ia64, revision 147829:
> > http://gcc.gnu.org/ml/gcc-cvs/2009-05/msg00806.html
> > caused:
> > FAIL: Matrix4f -O3 compilation from source
> 
> Could you please provide some information, it doesn't fail on x86_64...
> 
> > FAIL: gcc.dg/vect/bb-slp-10.c scan-tree-dump-times slp "unsupported alignment
> > in basic block." 1
> > FAIL: gcc.dg/vect/bb-slp-4.c scan-tree-dump-times slp "basic block vectorized
> > using SLP" 0
> 
> I think they can be fixed as following. Could you please check?
> 

Please provide a patch as an attachment. Thanks.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40244

[Bug middle-end/40244] [4.5 Regression] Revision147829 caused extra failures

[hjl dot tools at gmail dot com]

------- Comment #4 from hjl dot tools at gmail dot com  2009-05-28 23:59 -------
(In reply to comment #1)
> (In reply to comment #0)
> > On Linux/ia64, revision 147829:
> > http://gcc.gnu.org/ml/gcc-cvs/2009-05/msg00806.html
> > caused:
> > FAIL: Matrix4f -O3 compilation from source
> 
> Could you please provide some information, it doesn't fail on x86_64...
> 
> > FAIL: gcc.dg/vect/bb-slp-10.c scan-tree-dump-times slp "unsupported alignment
> > in basic block." 1
> > FAIL: gcc.dg/vect/bb-slp-4.c scan-tree-dump-times slp "basic block vectorized
> > using SLP" 0
> 
> I think they can be fixed as following. Could you please check?
> 

Yes, it fixed the problem. Thanks.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40244

[Bug middle-end/40244] [4.5 Regression] Revision 147829 caused extra failures

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-05-29 07:52:46
               date|                            |
            Summary|[4.5 Regression]            |[4.5 Regression]  Revision
                   |Revision147829 caused extra |147829 caused extra failures
                   |failures                    |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40244

[Bug middle-end/40244] [4.5 Regression] Revision 147829 caused extra failures

[irar at il dot ibm dot com]

------- Comment #5 from irar at il dot ibm dot com  2009-05-30 16:53 -------
(In reply to comment #4)
> (In reply to comment #1)
> > (In reply to comment #0)
> > > On Linux/ia64, revision 147829:
> > > http://gcc.gnu.org/ml/gcc-cvs/2009-05/msg00806.html
> > > caused:
> > > FAIL: Matrix4f -O3 compilation from source
> > 
> > Could you please provide some information, it doesn't fail on x86_64...
> > 
> > > FAIL: gcc.dg/vect/bb-slp-10.c scan-tree-dump-times slp "unsupported alignment
> > > in basic block." 1
> > > FAIL: gcc.dg/vect/bb-slp-4.c scan-tree-dump-times slp "basic block vectorized
> > > using SLP" 0
> > 
> > I think they can be fixed as following. Could you please check?
> > 
> Yes, it fixed the problem. Thanks.

Thanks.
Is Matrix4f OK now too?


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40244

[Bug middle-end/40244] [4.5 Regression] Revision 147829 caused extra failures

[hjl dot tools at gmail dot com]

------- Comment #6 from hjl dot tools at gmail dot com  2009-05-30 16:57 -------
(In reply to comment #5)
> Is Matrix4f OK now too?
> 

Yes.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40244

[Bug testsuite/40244] [4.5 Regression] Revision 147829 caused extra failures

[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|NEW                         |ASSIGNED
          Component|middle-end                  |testsuite
   Last reconfirmed|2009-05-29 07:52:46         |2009-05-31 06:45:04
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40244

[Bug testsuite/40244] [4.5 Regression] Revision 147829 caused extra failures

[irar at gcc dot gnu dot org]

------- Comment #7 from irar at gcc dot gnu dot org  2009-05-31 06:55 -------
Subject: Bug 40244

Author: irar
Date: Sun May 31 06:55:37 2009
New Revision: 148010

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=148010
Log:

        PR testsuite/40244
        * gcc.dg/vect/bb-slp-4.c: Change the number of data accesses to 2.
        * gcc.dg/vect/bb-slp-10.c: Change the store misalignment to 1.


Modified:
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/vect/bb-slp-10.c
    trunk/gcc/testsuite/gcc.dg/vect/bb-slp-4.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40244

[Bug testsuite/40244] [4.5 Regression] Revision 147829 caused extra failures

[irar at il dot ibm dot com]

------- Comment #8 from irar at il dot ibm dot com  2009-05-31 09:04 -------
Fixed.


-- 

irar at il dot ibm dot com changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40244