diff options
| author | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-05-14 18:28:52 +0000 |
|---|---|---|
| committer | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-05-14 18:28:52 +0000 |
| commit | a1f652317c4e057de194dce5bf00b1ecf94a866b (patch) | |
| tree | a5b106189fcd25d5ba455399b48c0d0a33b8c00d | |
| parent | f318018c5844696ec6d63ab7c2a694e5b6ab7470 (diff) | |
| download | gcc-a1f652317c4e057de194dce5bf00b1ecf94a866b.tar.gz | |
Increase base_name alignment only if base_name is a variable.
gcc/
2010-05-14 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/44144
* tree-vect-data-refs.c (vect_create_data_ref_ptr): Increase
base_name alignment only if base_name is a variable.
gcc/testsuite/
2010-05-14 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/44144
* gcc.target/i386/pr44144.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/vect256@159404 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog.vect256 | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog.vect256 | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr44144.c | 11 | ||||
| -rw-r--r-- | gcc/tree-vect-data-refs.c | 3 |
4 files changed, 24 insertions, 1 deletions
diff --git a/gcc/ChangeLog.vect256 b/gcc/ChangeLog.vect256 index cc6273568a9..06dcb1d17ea 100644 --- a/gcc/ChangeLog.vect256 +++ b/gcc/ChangeLog.vect256 @@ -1,3 +1,9 @@ +2010-05-14 H.J. Lu <hongjiu.lu@intel.com> + + PR middle-end/44144 + * tree-vect-data-refs.c (vect_create_data_ref_ptr): Increase + base_name alignment only if base_name is a variable. + 2010-05-13 H.J. Lu <hongjiu.lu@intel.com> PR middle-end/44130 diff --git a/gcc/testsuite/ChangeLog.vect256 b/gcc/testsuite/ChangeLog.vect256 index ff173c77195..1c53bc7223d 100644 --- a/gcc/testsuite/ChangeLog.vect256 +++ b/gcc/testsuite/ChangeLog.vect256 @@ -1,3 +1,8 @@ +2010-05-14 H.J. Lu <hongjiu.lu@intel.com> + + PR middle-end/44144 + * gcc.target/i386/pr44144.c: New. + 2010-05-13 H.J. Lu <hongjiu.lu@intel.com> PR middle-end/44130 diff --git a/gcc/testsuite/gcc.target/i386/pr44144.c b/gcc/testsuite/gcc.target/i386/pr44144.c new file mode 100644 index 00000000000..0bb95eefb16 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr44144.c @@ -0,0 +1,11 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-vectorize -mavx" } */ + +void +foo (char * dest, int xcount, int ycount) +{ + int x, y; + for (y = 0; y < ycount; y++) + for (x = 0; x < xcount; x++) + dest[x + y*2] = 0; +} diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c index 3f3bb718b60..c67743090c5 100644 --- a/gcc/tree-vect-data-refs.c +++ b/gcc/tree-vect-data-refs.c @@ -2571,7 +2571,8 @@ vect_create_data_ref_ptr (gimple stmt, struct loop *at_loop, in LOOP. */ base_name = build_fold_indirect_ref (unshare_expr (DR_BASE_ADDRESS (dr))); - if (DECL_ALIGN (base_name) < TYPE_ALIGN (vectype)) + if (TREE_CODE (base_name) == VAR_DECL + && DECL_ALIGN (base_name) < TYPE_ALIGN (vectype)) { DECL_ALIGN (base_name) = TYPE_ALIGN (vectype); DECL_USER_ALIGN (base_name) = 1; |