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* [Bug tree-optimization/33987] New: [4.3 regression] internal compiler error: in get_initial_def_for_reduction, at tree-vect-transform.c:2110 with -O3 -msse2
@ 2007-11-03 1:54 bero at arklinux dot org
2007-11-03 1:59 ` [Bug tree-optimization/33987] " bero at arklinux dot org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: bero at arklinux dot org @ 2007-11-03 1:54 UTC (permalink / raw)
To: gcc-bugs
$ gcc -O3 -msse2 -c concurrentMarkSweepGeneration.ii
/usr/src/ark/BUILD/icedtea/openjdk/hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp:7235:
internal compiler error: in get_initial_def_for_reduction, at
tree-vect-transform.c:2110
Please submit a full bug report,
with preprocessed source if appropriate.
--
Summary: [4.3 regression] internal compiler error: in
get_initial_def_for_reduction, at tree-vect-
transform.c:2110 with -O3 -msse2
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: bero at arklinux dot org
GCC build triplet: i586-pc-linux-gnu
GCC host triplet: i586-pc-linux-gnu
GCC target triplet: i586-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33987
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/33987] [4.3 regression] internal compiler error: in get_initial_def_for_reduction, at tree-vect-transform.c:2110 with -O3 -msse2
2007-11-03 1:54 [Bug tree-optimization/33987] New: [4.3 regression] internal compiler error: in get_initial_def_for_reduction, at tree-vect-transform.c:2110 with -O3 -msse2 bero at arklinux dot org
@ 2007-11-03 1:59 ` bero at arklinux dot org
2007-11-03 3:35 ` dorit at gcc dot gnu dot org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bero at arklinux dot org @ 2007-11-03 1:59 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from bero at arklinux dot org 2007-11-03 01:59 -------
Created an attachment (id=14477)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14477&action=view)
bzip2-ed preprocessed source
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33987
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/33987] [4.3 regression] internal compiler error: in get_initial_def_for_reduction, at tree-vect-transform.c:2110 with -O3 -msse2
2007-11-03 1:54 [Bug tree-optimization/33987] New: [4.3 regression] internal compiler error: in get_initial_def_for_reduction, at tree-vect-transform.c:2110 with -O3 -msse2 bero at arklinux dot org
2007-11-03 1:59 ` [Bug tree-optimization/33987] " bero at arklinux dot org
@ 2007-11-03 3:35 ` dorit at gcc dot gnu dot org
2007-11-03 4:06 ` dorit at gcc dot gnu dot org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: dorit at gcc dot gnu dot org @ 2007-11-03 3:35 UTC (permalink / raw)
To: gcc-bugs
--
dorit 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 |2007-11-03 03:35:30
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33987
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/33987] [4.3 regression] internal compiler error: in get_initial_def_for_reduction, at tree-vect-transform.c:2110 with -O3 -msse2
2007-11-03 1:54 [Bug tree-optimization/33987] New: [4.3 regression] internal compiler error: in get_initial_def_for_reduction, at tree-vect-transform.c:2110 with -O3 -msse2 bero at arklinux dot org
2007-11-03 1:59 ` [Bug tree-optimization/33987] " bero at arklinux dot org
2007-11-03 3:35 ` dorit at gcc dot gnu dot org
@ 2007-11-03 4:06 ` dorit at gcc dot gnu dot org
2007-11-04 3:49 ` dorit at gcc dot gnu dot org
2007-11-19 4:32 ` pinskia at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: dorit at gcc dot gnu dot org @ 2007-11-03 4:06 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from dorit at gcc dot gnu dot org 2007-11-03 04:06 -------
testing this fix:
Index: tree-vect-transform.c
===================================================================
*** tree-vect-transform.c (revision 129763)
--- tree-vect-transform.c (working copy)
*************** get_initial_def_for_reduction (tree stmt
*** 2107,2113 ****
tree vector_type;
bool nested_in_vect_loop = false;
! gcc_assert (INTEGRAL_TYPE_P (type) || SCALAR_FLOAT_TYPE_P (type));
if (nested_in_vect_loop_p (loop, stmt))
nested_in_vect_loop = true;
else
--- 2107,2113 ----
tree vector_type;
bool nested_in_vect_loop = false;
! gcc_assert (POINTER_TYPE_P (type) || INTEGRAL_TYPE_P (type) ||
SCALAR_FLOAT_TYPE_P (type));
if (nested_in_vect_loop_p (loop, stmt))
nested_in_vect_loop = true;
else
*************** get_initial_def_for_reduction (tree stmt
*** 2120,2136 ****
case WIDEN_SUM_EXPR:
case DOT_PROD_EXPR:
case PLUS_EXPR:
! if (nested_in_vect_loop)
! *adjustment_def = vecdef;
! else
! *adjustment_def = init_val;
! /* Create a vector of zeros for init_def. */
! if (INTEGRAL_TYPE_P (type))
! def_for_init = build_int_cst (type, 0);
else
def_for_init = build_real (type, dconst0);
! for (i = nunits - 1; i >= 0; --i)
! t = tree_cons (NULL_TREE, def_for_init, t);
vector_type = get_vectype_for_scalar_type (TREE_TYPE (def_for_init));
gcc_assert (vector_type);
init_def = build_vector (vector_type, t);
--- 2120,2136 ----
case WIDEN_SUM_EXPR:
case DOT_PROD_EXPR:
case PLUS_EXPR:
! if (nested_in_vect_loop)
! *adjustment_def = vecdef;
else
+ *adjustment_def = init_val;
+ /* Create a vector of zeros for init_def. */
+ if (SCALAR_FLOAT_TYPE_P (type))
def_for_init = build_real (type, dconst0);
! else
! def_for_init = build_int_cst (type, 0);
! for (i = nunits - 1; i >= 0; --i)
! t = tree_cons (NULL_TREE, def_for_init, t);
vector_type = get_vectype_for_scalar_type (TREE_TYPE (def_for_init));
gcc_assert (vector_type);
init_def = build_vector (vector_type, t);
*************** vectorizable_reduction (tree stmt, block
*** 2716,2721 ****
--- 2716,2724 ----
return false;
scalar_dest = GIMPLE_STMT_OPERAND (stmt, 0);
scalar_type = TREE_TYPE (scalar_dest);
+ if (!POINTER_TYPE_P (scalar_type) && !INTEGRAL_TYPE_P (scalar_type)
+ && !SCALAR_FLOAT_TYPE_P (scalar_type))
+ return false;
/* All uses but the last are expected to be defined in the loop.
The last use is the reduction variable. */
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33987
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/33987] [4.3 regression] internal compiler error: in get_initial_def_for_reduction, at tree-vect-transform.c:2110 with -O3 -msse2
2007-11-03 1:54 [Bug tree-optimization/33987] New: [4.3 regression] internal compiler error: in get_initial_def_for_reduction, at tree-vect-transform.c:2110 with -O3 -msse2 bero at arklinux dot org
` (2 preceding siblings ...)
2007-11-03 4:06 ` dorit at gcc dot gnu dot org
@ 2007-11-04 3:49 ` dorit at gcc dot gnu dot org
2007-11-19 4:32 ` pinskia at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: dorit at gcc dot gnu dot org @ 2007-11-04 3:49 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from dorit at gcc dot gnu dot org 2007-11-04 03:49 -------
Subject: Bug 33987
Author: dorit
Date: Sun Nov 4 03:48:58 2007
New Revision: 129880
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129880
Log:
PR tree-optimization/33987
* tree-vect-transform.c (get_initial_def_for_reduction): Fix assert.
Fix indentation.
(vectorizable_reduction): Add type check.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-vect-transform.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33987
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/33987] [4.3 regression] internal compiler error: in get_initial_def_for_reduction, at tree-vect-transform.c:2110 with -O3 -msse2
2007-11-03 1:54 [Bug tree-optimization/33987] New: [4.3 regression] internal compiler error: in get_initial_def_for_reduction, at tree-vect-transform.c:2110 with -O3 -msse2 bero at arklinux dot org
` (3 preceding siblings ...)
2007-11-04 3:49 ` dorit at gcc dot gnu dot org
@ 2007-11-19 4:32 ` pinskia at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2007-11-19 4:32 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from pinskia at gcc dot gnu dot org 2007-11-19 04:32 -------
Fixed.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
Target Milestone|--- |4.3.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33987
^ permalink raw reply [flat|nested] 6+ messages in thread
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2007-11-03 1:54 [Bug tree-optimization/33987] New: [4.3 regression] internal compiler error: in get_initial_def_for_reduction, at tree-vect-transform.c:2110 with -O3 -msse2 bero at arklinux dot org
2007-11-03 1:59 ` [Bug tree-optimization/33987] " bero at arklinux dot org
2007-11-03 3:35 ` dorit at gcc dot gnu dot org
2007-11-03 4:06 ` dorit at gcc dot gnu dot org
2007-11-04 3:49 ` dorit at gcc dot gnu dot org
2007-11-19 4:32 ` pinskia at gcc dot gnu dot org
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