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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/tree-vect-loop.c25
2 files changed, 21 insertions, 9 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index aa0aaea..1c33bf9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-04-28 Richard Guenther <rguenther@suse.de>
+
+ * tree-vect-loop.c (get_initial_def_for_induction): Use
+ correct types for pointer increment.
+
2009-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* toplev.c (print_version): Update GMP version string calculation.
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c
index a7c6cae..6c239db 100644
--- a/gcc/tree-vect-loop.c
+++ b/gcc/tree-vect-loop.c
@@ -2223,6 +2223,7 @@ get_initial_def_for_induction (gimple iv_phi)
tree loop_arg;
gimple_stmt_iterator si;
basic_block bb = gimple_bb (iv_phi);
+ tree stepvectype;
vectype = get_vectype_for_scalar_type (scalar_type);
gcc_assert (vectype);
@@ -2235,8 +2236,10 @@ get_initial_def_for_induction (gimple iv_phi)
/* Find the first insertion point in the BB. */
si = gsi_after_labels (bb);
- if (INTEGRAL_TYPE_P (scalar_type) || POINTER_TYPE_P (scalar_type))
+ if (INTEGRAL_TYPE_P (scalar_type))
step_expr = build_int_cst (scalar_type, 0);
+ else if (POINTER_TYPE_P (scalar_type))
+ step_expr = build_int_cst (sizetype, 0);
else
step_expr = build_real (scalar_type, dconst0);
@@ -2320,16 +2323,19 @@ get_initial_def_for_induction (gimple iv_phi)
{
/* iv_loop is the loop to be vectorized. Generate:
vec_step = [VF*S, VF*S, VF*S, VF*S] */
- expr = build_int_cst (scalar_type, vf);
- new_name = fold_build2 (MULT_EXPR, scalar_type, expr, step_expr);
+ expr = build_int_cst (TREE_TYPE (step_expr), vf);
+ new_name = fold_build2 (MULT_EXPR, TREE_TYPE (step_expr),
+ expr, step_expr);
}
t = NULL_TREE;
for (i = 0; i < nunits; i++)
t = tree_cons (NULL_TREE, unshare_expr (new_name), t);
gcc_assert (CONSTANT_CLASS_P (new_name));
- vec = build_vector (vectype, t);
- vec_step = vect_init_vector (iv_phi, vec, vectype, NULL);
+ stepvectype = get_vectype_for_scalar_type (TREE_TYPE (new_name));
+ gcc_assert (stepvectype);
+ vec = build_vector (stepvectype, t);
+ vec_step = vect_init_vector (iv_phi, vec, stepvectype, NULL);
/* Create the following def-use cycle:
@@ -2377,14 +2383,15 @@ get_initial_def_for_induction (gimple iv_phi)
gcc_assert (!nested_in_vect_loop);
/* Create the vector that holds the step of the induction. */
- expr = build_int_cst (scalar_type, nunits);
- new_name = fold_build2 (MULT_EXPR, scalar_type, expr, step_expr);
+ expr = build_int_cst (TREE_TYPE (step_expr), nunits);
+ new_name = fold_build2 (MULT_EXPR, TREE_TYPE (step_expr),
+ expr, step_expr);
t = NULL_TREE;
for (i = 0; i < nunits; i++)
t = tree_cons (NULL_TREE, unshare_expr (new_name), t);
gcc_assert (CONSTANT_CLASS_P (new_name));
- vec = build_vector (vectype, t);
- vec_step = vect_init_vector (iv_phi, vec, vectype, NULL);
+ vec = build_vector (stepvectype, t);
+ vec_step = vect_init_vector (iv_phi, vec, stepvectype, NULL);
vec_def = induc_def;
prev_stmt_vinfo = vinfo_for_stmt (induction_phi);