java-tree.h (boolean_array_vtable, [...]): Declare.

	* java-tree.h (boolean_array_vtable, byte_array_vtable,
	char_array_vtable, short_array_vtable, int_array_vtable,
	long_array_vtable, float_array_vtable, double_array_vtable):
	Declare.
	* expr.c (get_primitive_array_vtable): New function.
	(create_primitive_vtable): New function.
	(java_lang_expand_expr): Enable code to statically generate
	arrays.
	* decl.c (init_decl_processing): Create primitive vtables.
	(boolean_array_vtable, byte_array_vtable, char_array_vtable,
	short_array_vtable, int_array_vtable, long_array_vtable,
	float_array_vtable, double_array_vtable): Define.

From-SVN: r34314

4 files changed, 98 insertions, 8 deletions

diff --git a/gcc/java/ChangeLog b/gcc/java/ChangeLog
index e124bce..ee9f6e9 100644
--- a/gcc/java/ChangeLog
+++ b/gcc/java/ChangeLog
@@ -1,3 +1,18 @@
+2000-05-31  Tom Tromey  <tromey@cygnus.com>
+
+	* java-tree.h (boolean_array_vtable, byte_array_vtable,
+	char_array_vtable, short_array_vtable, int_array_vtable,
+	long_array_vtable, float_array_vtable, double_array_vtable):
+	Declare.
+	* expr.c (get_primitive_array_vtable): New function.
+	(create_primitive_vtable): New function.
+	(java_lang_expand_expr): Enable code to statically generate
+	arrays.
+	* decl.c (init_decl_processing): Create primitive vtables.
+	(boolean_array_vtable, byte_array_vtable, char_array_vtable,
+	short_array_vtable, int_array_vtable, long_array_vtable,
+	float_array_vtable, double_array_vtable): Define.
+
 2000-05-26  Zack Weinberg  <zack@wolery.cumb.org>
 
 	* java/parse.y (find_applicable_accessible_methods_list):
diff --git a/gcc/java/decl.c b/gcc/java/decl.c
index c5008a0..7619d63 100644
--- a/gcc/java/decl.c
+++ b/gcc/java/decl.c
@@ -392,6 +392,16 @@ tree soft_irem_node;
 tree soft_ldiv_node;
 tree soft_lrem_node;
 
+/* Declarations for vtables for primitive arrays.  */
+tree boolean_array_vtable;
+tree byte_array_vtable;
+tree char_array_vtable;
+tree short_array_vtable;
+tree int_array_vtable;
+tree long_array_vtable;
+tree float_array_vtable;
+tree double_array_vtable;
+
 /* Build (and pushdecl) a "promoted type" for all standard
    types shorter than int.  */
 
@@ -451,6 +461,21 @@ builtin_function (name, type, function_code, class, library_name)
   return decl;
 }
 
+/* Return tree that represents a vtable for a primitive array.  */
+static tree
+create_primitive_vtable (name)
+     const char *name;
+{
+  tree r;
+  char buf[50];
+
+  sprintf (buf, "_Jv_%sVTable", name);
+  r = build_decl (VAR_DECL, get_identifier (buf), ptr_type_node);
+  DECL_EXTERNAL (r) = 1;
+  make_decl_rtl (r, buf, 1);
+  return r;
+}
+
 void
 init_decl_processing ()
 {
@@ -573,7 +598,17 @@ init_decl_processing ()
   float_zero_node = build_real (float_type_node, dconst0);
   double_zero_node = build_real (double_type_node, dconst0);
 
-  /* As your adding items here, please update the code right after
+  /* These are the vtables for arrays of primitives.  */
+  boolean_array_vtable = create_primitive_vtable ("boolean");
+  byte_array_vtable = create_primitive_vtable ("byte");
+  char_array_vtable = create_primitive_vtable ("char");
+  short_array_vtable = create_primitive_vtable ("short");
+  int_array_vtable = create_primitive_vtable ("int");
+  long_array_vtable = create_primitive_vtable ("long");
+  float_array_vtable = create_primitive_vtable ("float");
+  double_array_vtable = create_primitive_vtable ("double");
+
+  /* As you're adding items here, please update the code right after
      this section, so that the filename containing the source code of
      the pre-defined class gets registered correctly. */
   unqualified_object_id_node = get_identifier ("Object");
diff --git a/gcc/java/expr.c b/gcc/java/expr.c
index e1a5296..9a583b1 100644
--- a/gcc/java/expr.c
+++ b/gcc/java/expr.c
@@ -2251,6 +2251,33 @@ case_identity (t, v)
   return v;
 }
 
+/* Return the name of the vtable for an array of a given primitive
+   type.  */
+static tree
+get_primitive_array_vtable (tree elt)
+{
+  tree r;
+  if (elt == boolean_type_node)
+    r = boolean_array_vtable;
+  else if (elt == byte_type_node)
+    r = byte_array_vtable;
+  else if (elt == char_type_node)
+    r = char_array_vtable;
+  else if (elt == short_type_node)
+    r = short_array_vtable;
+  else if (elt == int_type_node)
+    r = int_array_vtable;
+  else if (elt == long_type_node)
+    r = long_array_vtable;
+  else if (elt == float_type_node)
+    r = float_array_vtable;
+  else if (elt == double_type_node)
+    r = double_array_vtable;
+  else
+    abort ();
+  return build_address_of (r);
+}
+
 struct rtx_def *
 java_lang_expand_expr (exp, target, tmode, modifier)
      register tree exp;
@@ -2272,22 +2299,25 @@ java_lang_expand_expr (exp, target, tmode, modifier)
 	tree length = build_int_2 (ilength, 0);
 	tree init = TREE_OPERAND (exp, 0);
 	tree array_decl;
-#if 0
-	/* Enable this once we can set the vtable field statically.  FIXME */
+
+	/* See if we can generate the array statically.  */
 	if (TREE_CONSTANT (init) && TREE_STATIC (exp)
 	    && JPRIMITIVE_TYPE_P (element_type))
 	  {
 	    tree temp, value, init_decl;
+	    struct rtx_def *r;
+	    push_obstacks (&permanent_obstack, &permanent_obstack);
 	    START_RECORD_CONSTRUCTOR (temp, object_type_node);
 	    PUSH_FIELD_VALUE (temp, "vtable",
-			      null_pointer_node /* FIXME */
-			      );
+			      get_primitive_array_vtable (element_type));
 	    if (! flag_hash_synchronization)
 	      PUSH_FIELD_VALUE (temp, "sync_info", null_pointer_node);
 	    FINISH_RECORD_CONSTRUCTOR (temp);
 	    START_RECORD_CONSTRUCTOR (value, array_type);
 	    PUSH_SUPER_VALUE (value, temp);
-	    PUSH_FIELD_VALUE (value, "length", length);
+	    /* FIXME: build a new `length' here to get it on the right
+	       obstack.  */
+	    PUSH_FIELD_VALUE (value, "length", build_int_2 (ilength, 0));
 	    PUSH_FIELD_VALUE (value, "data", init);
 	    FINISH_RECORD_CONSTRUCTOR (value);
 
@@ -2299,9 +2329,11 @@ java_lang_expand_expr (exp, target, tmode, modifier)
 	    TREE_READONLY (init_decl) = 1;
 	    make_decl_rtl (init_decl, NULL, 1);
 	    init = build1 (ADDR_EXPR, TREE_TYPE (exp), init_decl);
-	    return expand_expr (init, target, tmode, modifier);
+	    r = expand_expr (init, target, tmode, modifier);
+	    pop_obstacks ();
+	    return r;
 	  }
-#endif
+
 	array_decl = build_decl (VAR_DECL, NULL_TREE, TREE_TYPE (exp));
 	expand_decl (array_decl);
 	tmp = expand_assignment (array_decl,
diff --git a/gcc/java/java-tree.h b/gcc/java/java-tree.h
index 2b77434..a05573f 100644
--- a/gcc/java/java-tree.h
+++ b/gcc/java/java-tree.h
@@ -241,6 +241,14 @@ extern tree float_array_type_node;
 extern tree array_array_type_node;
 extern tree object_array_type_node;
 extern tree string_array_type_node;
+extern tree boolean_array_vtable;
+extern tree byte_array_vtable;
+extern tree char_array_vtable;
+extern tree short_array_vtable;
+extern tree int_array_vtable;
+extern tree long_array_vtable;
+extern tree float_array_vtable;
+extern tree double_array_vtable;
 extern tree TYPE_identifier_node;      /* "TYPE" */
 extern tree init_identifier_node;      /* "<init>" */
 extern tree clinit_identifier_node;      /* "<clinit>" */