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| author | Ira Rosen <irar@gcc.gnu.org> | 2007-10-25 16:41:45 +0000 |
|---|---|---|
| committer | Ira Rosen <irar@gcc.gnu.org> | 2007-10-25 16:41:45 +0000 |
| commit | 8d358a4aae876bfa44501f8d2830564fbe6f1cdd (patch) | |
| tree | b66ef1223115922be5631a7da7e510310407e428 /gcc | |
| parent | 7f1d67caa75b80cf8d187b7612cb2c717774000c (diff) | |
| download | gcc-8d358a4aae876bfa44501f8d2830564fbe6f1cdd.zip gcc-8d358a4aae876bfa44501f8d2830564fbe6f1cdd.tar.gz gcc-8d358a4aae876bfa44501f8d2830564fbe6f1cdd.tar.bz2 | |
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
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/pr33833.c | 31 | ||||
| -rw-r--r-- | gcc/tree-vect-analyze.c | 9 |
4 files changed, 48 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7c4c706..2a3ca69 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 781a541..5551ed5 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -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*-*-*. diff --git a/gcc/testsuite/gcc.dg/vect/pr33833.c b/gcc/testsuite/gcc.dg/vect/pr33833.c new file mode 100644 index 0000000..f862a91 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr33833.c @@ -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" } } */ diff --git a/gcc/tree-vect-analyze.c b/gcc/tree-vect-analyze.c index 8975e64..2bb28da 100644 --- a/gcc/tree-vect-analyze.c +++ b/gcc/tree-vect-analyze.c @@ -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)) { |