diff options
| author | Ira Rosen <irar@il.ibm.com> | 2009-03-24 12:18:19 +0000 |
|---|---|---|
| committer | Ira Rosen <irar@il.ibm.com> | 2009-03-24 12:18:19 +0000 |
| commit | 468a2e716d8d090fa636ca3a7988909350f98dbd (patch) | |
| tree | 87a8945de71076faf1d2221f88a968f9792198f6 | |
| parent | deacb9c6ba376cd0ca1a04c6fff6611d8d7b4f1b (diff) | |
PR tree-optimization/39529
* tree-vect-transform.c (vect_create_data_ref_ptr): Call
mark_sym_for_renaming for the tag copied to the new vector
pointer.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@145029 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/pr39529.c | 21 | ||||
| -rw-r--r-- | gcc/tree-vect-transform.c | 5 |
4 files changed, 37 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6974b1f802a..c7aeb48743a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2009-03-24 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/39529 + * tree-vect-transform.c (vect_create_data_ref_ptr): Call + mark_sym_for_renaming for the tag copied to the new vector + pointer. + 2009-03-24 Arthur Loiret <aloiret@debian.org> * config.host (alpha*-*-linux*): Use driver-alpha.o and diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 4f869a0e3e3..196a040acfe 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2009-03-24 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/39529 + * gcc.dg/vect/pr39529.c: New test. + 2009-03-24 Dodji Seketeli <dodji@redhat.com> Jakub Jelinek <jakub@redhat.com> diff --git a/gcc/testsuite/gcc.dg/vect/pr39529.c b/gcc/testsuite/gcc.dg/vect/pr39529.c new file mode 100644 index 00000000000..4853c13503f --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr39529.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ + +void +foo (void) +{ + char a[1024]; + char *p = &a[0]; + char *p2; + + p2 = p + 1024; + do + { + p += 2; + *(p-2) = 1; + *(p-1) = 1; + } while (p < p2); +} + +/* { dg-final { cleanup-tree-dump "vect" } } */ + + diff --git a/gcc/tree-vect-transform.c b/gcc/tree-vect-transform.c index 2afd4e03394..a048342d8be 100644 --- a/gcc/tree-vect-transform.c +++ b/gcc/tree-vect-transform.c @@ -1099,7 +1099,10 @@ vect_create_data_ref_ptr (gimple stmt, struct loop *at_loop, if (!MTAG_P (tag)) new_type_alias (vect_ptr, tag, DR_REF (dr)); else - set_symbol_mem_tag (vect_ptr, tag); + { + set_symbol_mem_tag (vect_ptr, tag); + mark_sym_for_renaming (tag); + } /** Note: If the dataref is in an inner-loop nested in LOOP, and we are vectorizing LOOP (i.e. outer-loop vectorization), we need to create two |