change internal representation of addressmode offset to long

diff --git a/ir/be/ia32/ia32_new_nodes.c b/ir/be/ia32/ia32_new_nodes.c
index 5c15272..ba1e3a6 100644 (file)
--- a/ir/be/ia32/ia32_new_nodes.c
+++ b/ir/be/ia32/ia32_new_nodes.c
@@ -543,63 +543,43 @@ void set_ia32_am_flavour(ir_node *node, ia32_am_flavour_t am_flavour) {
 char *get_ia32_am_offs(const ir_node *node) {
        ia32_attr_t *attr = get_ia32_attr(node);
        char        *res  = NULL;
-       int          size;
 
        if (! attr->am_offs) {
                return NULL;
        }
 
-       if (! attr->plain_offs)
-               attr->plain_offs = (struct obstack *)_new_arr_d(get_irg_obstack(get_irn_irg(node)), 1, sizeof(*(attr->plain_offs)));
-       else
-               obstack_free(attr->plain_offs, NULL);
-
-       obstack_init(attr->plain_offs);
-
-       size = obstack_object_size(attr->am_offs);
-       if (size > 0) {
-               res = obstack_alloc(attr->plain_offs, size + 2);
-               res[0] = attr->data.offs_sign ? '-' : '+';
-               memcpy(&res[1], obstack_base(attr->am_offs), size);
-               res[size + 1] = '\0';
-       }
+       res = obstack_alloc(get_irg_obstack(get_irn_irg(node)), 64);
+       snprintf(res, 64, "%+ld", attr->am_offs);
 
        return res;
 }
 
+/**
+ * Gets the addressmode offset as long.
+ */
+long get_ia32_am_offs_long(const ir_node *node) {
+       ia32_attr_t *attr = get_ia32_attr(node);
+       return attr->am_offs;
+}
+
 /**
  * Add an offset for addrmode.
  */
 static void extend_ia32_am_offs(ir_node *node, char *offset, char op) {
        ia32_attr_t *attr = get_ia32_attr(node);
+       int o;
 
        if (! offset || strlen(offset) < 1)
                return;
 
-       /* offset could already have an explicit sign */
-       /* -> supersede op if necessary               */
-       if (offset[0] == '-' || offset[0] == '+') {
-               if (offset[0] == '-') {
-                       op = (op == '-') ? '+' : '-';
-               }
-
-               /* skip explicit sign */
-               offset++;
-       }
+       sscanf(offset, "%d", &o);
 
-       if (! attr->am_offs) {
-               /* obstack is not initialized */
-               attr->am_offs = (struct obstack *)_new_arr_d(get_irg_obstack(get_irn_irg(node)), 1, sizeof(*(attr->am_offs)));
-               obstack_init(attr->am_offs);
-
-               attr->data.offs_sign = (op == '-') ? 1 : 0;
-       }
-       else {
-               /* If obstack is initialized, connect the new offset with op */
-               obstack_printf(attr->am_offs, "%c", op);
-       }
-
-       obstack_printf(attr->am_offs, "%s", offset);
+       if (op == '-')
+               attr->am_offs -= o;
+       else if (op == '+')
+               attr->am_offs -= o;
+       else
+               assert(0);
 }
 
 /**
@@ -1369,5 +1349,30 @@ int ia32_compare_conv_attr(ia32_attr_t *a, ia32_attr_t *b) {
        return !equ;
 }
 
+/* Copy attribute function not needed any more, but might be of use later. */
+#if 0
+/* copies the ia32 attributes */
+static void ia32_copy_attr(const ir_node *old_node, ir_node *new_node) {
+       ia32_attr_t    *attr_old = get_ia32_attr(old_node);
+       ia32_attr_t    *attr_new = get_ia32_attr(new_node);
+       int             n_res    = get_ia32_n_res(old_node);
+
+       /* copy the attributes */
+       memcpy(attr_new, attr_old, sizeof(*attr_new));
+}
+
+/**
+ * Registers the ia32_copy_attr function for all ia32 opcodes.
+ */
+void ia32_register_copy_attr_func(void) {
+       unsigned i, f = get_ia32_opcode_first(), l = get_ia32_opcode_last();
+
+       for (i = f; i < l; i++) {
+               ir_op *op = get_irp_opcode(i);
+               op->ops.copy_attr = ia32_copy_attr;
+       }
+}
+#endif
+
 /* Include the generated constructor functions */
 #include "gen_ia32_new_nodes.c.inl"

diff --git a/ir/be/ia32/ia32_new_nodes.h b/ir/be/ia32/ia32_new_nodes.h
index 514852f..5852c96 100644 (file)
--- a/ir/be/ia32/ia32_new_nodes.h
+++ b/ir/be/ia32/ia32_new_nodes.h
@@ -71,6 +71,11 @@ void set_ia32_am_flavour(ir_node *node, ia32_am_flavour_t am_flavour);
  */
 char *get_ia32_am_offs(const ir_node *node);
 
+/**
+ * Gets the addressmode offset as long.
+ */
+long get_ia32_am_offs_long(const ir_node *node);
+
 /**
  * Adds an offset for addrmode.
  */