2005-02-13 Ira Rosen <irar@il.ibm.com>

        * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
        to base_address.
        * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
        stmt_vec_info.
        (vect_get_base_and_offset): Always return an address.
        (vect_create_addr_base_for_vector_ref): Remove treatment for
        different data reference types.
        (vect_compute_data_ref_alignment): Rename base to base_address in
        stmt_vec_info. Get the object in order to force its alignment.
        (vect_get_memtag_and_dr): Rename base to base_address in
        stmt_vec_info. Extract the object for memtag analysis.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94930 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 12 insertions, 7 deletions

diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h
index 3d540596b66..7876cb6d7cb 100644
--- a/gcc/tree-vectorizer.h
+++ b/gcc/tree-vectorizer.h
@@ -174,20 +174,25 @@ typedef struct _stmt_vec_info {
   tree memtag;
 
   /** The following fields are used to store the information about 
-      data-reference. {base + initial_offset} is the first location accessed by
-      data-ref in the loop, and step is the stride of data-ref in the loop;
+      data-reference. {base_address + initial_offset} is the first location 
+      accessed by data-ref in the loop, and step is the stride of data-ref in 
+      the loop in bytes;
       e.g.:
     
                        Example 1                      Example 2
       data-ref         a[j].b[i][j]                   a + 4B (a is int*)
-
-      base             a                              a
+      
+      base_address     &a                             a
       initial_offset   j_0*D_j + i_0*D_i + C          4
       step             D_j                            4
 
+      data-reference structure info:
+      base_name        a                              NULL
+      access_fn        <access_fns of indexes of b>   (0, +, 1)
+
   **/
-  /* The above base, offset and step.  */
-  tree base;
+  /* The above base_address, offset and step.  */
+  tree base_address;
   tree initial_offset;
   tree step;
 
@@ -208,7 +213,7 @@ typedef struct _stmt_vec_info {
 #define STMT_VINFO_VEC_STMT(S)            (S)->vectorized_stmt
 #define STMT_VINFO_DATA_REF(S)            (S)->data_ref_info
 #define STMT_VINFO_MEMTAG(S)              (S)->memtag
-#define STMT_VINFO_VECT_DR_BASE(S)        (S)->base
+#define STMT_VINFO_VECT_DR_BASE_ADDRESS(S)(S)->base_address
 #define STMT_VINFO_VECT_INIT_OFFSET(S)    (S)->initial_offset
 #define STMT_VINFO_VECT_STEP(S)           (S)->step
 #define STMT_VINFO_VECT_BASE_ALIGNED_P(S) (S)->base_aligned_p