diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-10-21 12:27:25 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-10-21 12:27:25 +0000 |
| commit | a5028f748e79f774033e35d10a4af4d650c2b63a (patch) | |
| tree | f8347f8c6ccee066dbaca10d552b25a9c762aeb5 | |
| parent | 606da49c0843b670b6216153c1165816fc844a49 (diff) | |
| download | ppe42-gcc-a5028f748e79f774033e35d10a4af4d650c2b63a.tar.gz ppe42-gcc-a5028f748e79f774033e35d10a4af4d650c2b63a.zip | |
PR tree-optimization/63563
* tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Bail out
if either dra or drb stmts are not normal loads/stores.
* gcc.target/i386/pr63563.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@216508 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr63563.c | 17 | ||||
| -rw-r--r-- | gcc/tree-vect-data-refs.c | 7 |
4 files changed, 33 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 32ba5954eb9..779fef7f241 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-10-21 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/63563 + * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Bail out + if either dra or drb stmts are not normal loads/stores. + 2014-10-17 Jakub Jelinek <jakub@redhat.com> * asan.c (instrument_derefs): Allow instrumentation of odd-sized diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index f38e280bc26..5d07e6e762e 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2014-10-21 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/63563 + * gcc.target/i386/pr63563.c: New test. + 2014-10-20 Yury Gribov <y.gribov@samsung.com> Backported from mainline diff --git a/gcc/testsuite/gcc.target/i386/pr63563.c b/gcc/testsuite/gcc.target/i386/pr63563.c new file mode 100644 index 00000000000..ce3e4658e75 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr63563.c @@ -0,0 +1,17 @@ +/* PR tree-optimization/63563 */ +/* { dg-do compile } */ +/* { dg-options "-O3 -mavx2" } */ + +struct A { unsigned long a, b, c, d; } a[1024] = { { 0, 1, 2, 3 } }, b; + +void +foo (void) +{ + int i; + for (i = 0; i < 1024; i++) + { + a[i].a = a[i].b = a[i].c = b.c; + if (a[i].d) + a[i].d = b.d; + } +} diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c index a1096fdfcc1..7a222bd209e 100644 --- a/gcc/tree-vect-data-refs.c +++ b/gcc/tree-vect-data-refs.c @@ -2530,11 +2530,14 @@ vect_analyze_data_ref_accesses (loop_vec_info loop_vinfo, bb_vec_info bb_vinfo) over them. The we can just skip ahead to the next DR here. */ /* Check that the data-refs have same first location (except init) - and they are both either store or load (not load and store). */ + and they are both either store or load (not load and store, + not masked loads or stores). */ if (DR_IS_READ (dra) != DR_IS_READ (drb) || !operand_equal_p (DR_BASE_ADDRESS (dra), DR_BASE_ADDRESS (drb), 0) - || !dr_equal_offsets_p (dra, drb)) + || !dr_equal_offsets_p (dra, drb) + || !gimple_assign_single_p (DR_STMT (dra)) + || !gimple_assign_single_p (DR_STMT (drb))) break; /* Check that the data-refs have the same constant size and step. */ |
