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re PR tree-optimization/33833 (ICE in build2_stat, at tree.c:3110 at -O3, tree-vectorizer) 

PR tree-optimization/33833
	* tree-vect-analyze.c (vect_analyze_data_refs): Use POINTER_PLUS_EXPR
	and convert init to sizetype in inner_base construction.

From-SVN: r129628
This commit is contained in:
Ira Rosen 2007-10-25 16:41:45 +00:00
parent 7f1d67caa7
commit 8d358a4aae
4 changed files with 48 additions and 4 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2007-10-25 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/33833
* tree-vect-analyze.c (vect_analyze_data_refs): Use POINTER_PLUS_EXPR
and convert init to sizetype in inner_base construction.
2007-10-25 Richard Guenther <rguenther@suse.de>
* tree-flow.h (mem_sym_stats): Remove.

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2007-10-25 Martin Michlmayr <tbm@cyrius.com>
Ira Rosen <irar@il.ibm.com>
PR tree-optimization/33833
* gcc.dg/vect/pr33833.c: New testcase.
2007-10-25 David Daney <ddaney@avtrex.com>
* gcc.dg/tree-ssa/20040204-1.c: Un-xfail for mips*-*-*.

31
gcc/testsuite/gcc.dg/vect/pr33833.c Normal file
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@ -0,0 +1,31 @@
/* Testcase by Martin Michlmayr <tbm@cyrius.com> */
/* { dg-do compile } */
struct list_head
{
struct list_head *prev;
};
struct prio_array
{
struct list_head queue[100];
};
struct rq
{
struct prio_array *active, arrays[2];
} per_cpu__runqueues;
void sched_init (unsigned long __ptr)
{
int j, k;
struct prio_array *array;
struct rq *rq;
rq = (&(*( { (typeof (&per_cpu__runqueues)) (__ptr); } )));
for (j = 0; j < 2; j++)
{
array = rq->arrays + j;
for (k = 0; k < 100; k++)
(array->queue + k)->prev = array->queue;
}
}
/* { dg-final { cleanup-tree-dump "vect" } } */

9
gcc/tree-vect-analyze.c
View File

@ -3287,10 +3287,11 @@ vect_analyze_data_refs (loop_vec_info loop_vinfo)
/* Build a reference to the first location accessed by the
inner-loop: *(BASE+INIT). (The first location is actually
BASE+INIT+OFFSET, but we add OFFSET separately later. */
tree inner_base = build_fold_indirect_ref
(fold_build2 (PLUS_EXPR,
TREE_TYPE (base), base, init));
BASE+INIT+OFFSET, but we add OFFSET separately later). */
tree inner_base = build_fold_indirect_ref
(fold_build2 (POINTER_PLUS_EXPR,
TREE_TYPE (base), base,
fold_convert (sizetype, init)));
if (vect_print_dump_info (REPORT_DETAILS))
{