c-common.c (type_for_mode): Handle unsigned vectors.

2001-12-10  Aldy Hernandez  <aldyh@redhat.com>

	* c-common.c (type_for_mode): Handle unsigned vectors.
	(type_for_mode): Remove redundant calls to TYPE_MODE.

	* tree.c (make_vector): New.
	(build_common_tree_nodes_2): Use make_vector for vector types.
	Add unsigned vector types.

	* tree.h (tree_index): Add unsigned types for vectors.
	(unsigned_V16QI_type_node): New.
	(unsigned_V4SI_type_node): New.
	(unsigned_V8QI_type_node): New.
	(unsigned_V8HI_type_node): New.
	(unsigned_V4HI_type_node): New.
	(unsigned_V2SI_type_node): New.

From-SVN: r47889

4 files changed, 103 insertions, 59 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index eb1fbff..e6a8d64 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,20 @@
+2001-12-11  Aldy Hernandez  <aldyh@redhat.com>
+
+	* c-common.c (type_for_mode): Handle unsigned vectors.
+	(type_for_mode): Remove redundant calls to TYPE_MODE.
+
+	* tree.c (make_vector): New.
+	(build_common_tree_nodes_2): Use make_vector for vector types.
+	Add unsigned vector types.
+
+	* tree.h (tree_index): Add unsigned types for vectors.
+	(unsigned_V16QI_type_node): New.
+	(unsigned_V4SI_type_node): New.
+	(unsigned_V8QI_type_node): New.
+	(unsigned_V8HI_type_node): New.
+	(unsigned_V4HI_type_node): New.
+	(unsigned_V2SI_type_node): New.
+
 2001-12-11  Stan Shebs  <shebs@apple.com>
 
 	* objc/objc-act.c (finish_message_expr): Fix misplaced parens in a
diff --git a/gcc/c-common.c b/gcc/c-common.c
index 29bb059..ad58594 100644
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -1315,16 +1315,16 @@ type_for_mode (mode, unsignedp)
     return unsignedp ? widest_unsigned_literal_type_node
                      : widest_integer_literal_type_node;
 
-  if (mode == TYPE_MODE (intQI_type_node))
+  if (mode == QImode)
     return unsignedp ? unsigned_intQI_type_node : intQI_type_node;
 
-  if (mode == TYPE_MODE (intHI_type_node))
+  if (mode == HImode)
     return unsignedp ? unsigned_intHI_type_node : intHI_type_node;
 
-  if (mode == TYPE_MODE (intSI_type_node))
+  if (mode == SImode)
     return unsignedp ? unsigned_intSI_type_node : intSI_type_node;
 
-  if (mode == TYPE_MODE (intDI_type_node))
+  if (mode == DImode)
     return unsignedp ? unsigned_intDI_type_node : intDI_type_node;
 
 #if HOST_BITS_PER_WIDE_INT >= 64
@@ -1348,22 +1348,30 @@ type_for_mode (mode, unsignedp)
     return build_pointer_type (integer_type_node);
 
 #ifdef VECTOR_MODE_SUPPORTED_P
-  if (mode == TYPE_MODE (V16QI_type_node) && VECTOR_MODE_SUPPORTED_P (mode))
-    return V16QI_type_node;
-  if (mode == TYPE_MODE (V8HI_type_node) && VECTOR_MODE_SUPPORTED_P (mode))
-    return V8HI_type_node;
-  if (mode == TYPE_MODE (V4SF_type_node) && VECTOR_MODE_SUPPORTED_P (mode))
-    return V4SF_type_node;
-  if (mode == TYPE_MODE (V4SI_type_node) && VECTOR_MODE_SUPPORTED_P (mode))
-    return V4SI_type_node;
-  if (mode == TYPE_MODE (V2SI_type_node) && VECTOR_MODE_SUPPORTED_P (mode))
-    return V2SI_type_node;
-  if (mode == TYPE_MODE (V4HI_type_node) && VECTOR_MODE_SUPPORTED_P (mode))
-    return V4HI_type_node;
-  if (mode == TYPE_MODE (V8QI_type_node) && VECTOR_MODE_SUPPORTED_P (mode))
-    return V8QI_type_node;
-  if (mode == TYPE_MODE (V2SF_type_node) && VECTOR_MODE_SUPPORTED_P (mode))
-    return V2SF_type_node;
+  if (VECTOR_MODE_SUPPORTED_P (mode))
+    {
+      switch (mode)
+	{
+	case V16QImode:
+	  return unsignedp ? unsigned_V16QI_type_node : V16QI_type_node;
+	case V8HImode:
+	  return unsignedp ? unsigned_V8HI_type_node : V8HI_type_node;
+	case V4SImode:
+	  return unsignedp ? unsigned_V4SI_type_node : V4SI_type_node;
+	case V2SImode:
+	  return unsignedp ? unsigned_V2SI_type_node : V2SI_type_node;
+	case V4HImode:
+	  return unsignedp ? unsigned_V4HI_type_node : V4HI_type_node;
+	case V8QImode:
+	  return unsignedp ? unsigned_V8QI_type_node : V8QI_type_node;
+	case V4SFmode:
+	  return V4SF_type_node;
+	case V2SFmode:
+	  return V2SF_type_node;
+	default:
+	  break;
+	}
+    }
 #endif
 
   return 0;
diff --git a/gcc/tree.c b/gcc/tree.c
index 45d18f6..a267fd7 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -162,6 +162,7 @@ static int type_hash_eq PARAMS ((const void*, const void*));
 static unsigned int type_hash_hash PARAMS ((const void*));
 static void print_type_hash_statistics PARAMS((void));
 static void finish_vector_type PARAMS((tree));
+static tree make_vector PARAMS ((enum machine_mode, tree, int));
 static int type_hash_marked_p PARAMS ((const void *));
 static void type_hash_mark PARAMS ((const void *));
 static int mark_tree_hashtable_entry PARAMS((void **, void *));
@@ -4874,43 +4875,45 @@ build_common_tree_nodes_2 (short_double)
     va_list_type_node = t;
   }
 
-  V4SF_type_node = make_node (VECTOR_TYPE);
-  TREE_TYPE (V4SF_type_node) = float_type_node;
-  TYPE_MODE (V4SF_type_node) = V4SFmode;
-  finish_vector_type (V4SF_type_node);
-
-  V4SI_type_node = make_node (VECTOR_TYPE);
-  TREE_TYPE (V4SI_type_node) = intSI_type_node;
-  TYPE_MODE (V4SI_type_node) = V4SImode;
-  finish_vector_type (V4SI_type_node);
-
-  V2SI_type_node = make_node (VECTOR_TYPE);
-  TREE_TYPE (V2SI_type_node) = intSI_type_node;
-  TYPE_MODE (V2SI_type_node) = V2SImode;
-  finish_vector_type (V2SI_type_node);
-
-  V4HI_type_node = make_node (VECTOR_TYPE);
-  TREE_TYPE (V4HI_type_node) = intHI_type_node;
-  TYPE_MODE (V4HI_type_node) = V4HImode;
-  finish_vector_type (V4HI_type_node);
-
-  V8QI_type_node = make_node (VECTOR_TYPE);
-  TREE_TYPE (V8QI_type_node) = intQI_type_node;
-  TYPE_MODE (V8QI_type_node) = V8QImode;
-  finish_vector_type (V8QI_type_node);
-
-  V8HI_type_node = make_node (VECTOR_TYPE);
-  TREE_TYPE (V8HI_type_node) = intHI_type_node;
-  TYPE_MODE (V8HI_type_node) = V8HImode;
-  finish_vector_type (V8HI_type_node);
-
-  V2SF_type_node = make_node (VECTOR_TYPE);
-  TREE_TYPE (V2SF_type_node) = float_type_node;
-  TYPE_MODE (V2SF_type_node) = V2SFmode;
-  finish_vector_type (V2SF_type_node);
-
-  V16QI_type_node = make_node (VECTOR_TYPE);
-  TREE_TYPE (V16QI_type_node) = intQI_type_node;
-  TYPE_MODE (V16QI_type_node) = V16QImode;
-  finish_vector_type (V16QI_type_node);
+  unsigned_V4SI_type_node
+    = make_vector (V4SImode, unsigned_intSI_type_node, 1);
+  unsigned_V2SI_type_node
+    = make_vector (V2SImode, unsigned_intSI_type_node, 1);
+  unsigned_V4HI_type_node
+    = make_vector (V4HImode, unsigned_intHI_type_node, 1);
+  unsigned_V8QI_type_node
+    = make_vector (V8QImode, unsigned_intQI_type_node, 1);
+  unsigned_V8HI_type_node
+    = make_vector (V8HImode, unsigned_intHI_type_node, 1);
+  unsigned_V16QI_type_node
+    = make_vector (V16QImode, unsigned_intQI_type_node, 1);
+
+  V4SF_type_node = make_vector (V4SFmode, float_type_node, 0);
+  V4SI_type_node = make_vector (V4SImode, intSI_type_node, 0);
+  V2SI_type_node = make_vector (V2SImode, intSI_type_node, 0);
+  V4HI_type_node = make_vector (V4HImode, intHI_type_node, 0);
+  V8QI_type_node = make_vector (V8QImode, intQI_type_node, 0);
+  V8HI_type_node = make_vector (V8HImode, intHI_type_node, 0);
+  V2SF_type_node = make_vector (V2SFmode, float_type_node, 0);
+  V16QI_type_node = make_vector (V16QImode, intQI_type_node, 0);
+}
+
+/* Returns a vector tree node given a vector mode, the inner type, and
+   the signness.  */
+
+static tree
+make_vector (mode, innertype, unsignedp)
+     enum machine_mode mode;
+     tree innertype;
+     int unsignedp;
+{
+  tree t;
+
+  t = make_node (VECTOR_TYPE);
+  TREE_TYPE (t) = innertype;
+  TYPE_MODE (t) = mode;
+  TREE_UNSIGNED (TREE_TYPE (t)) = unsignedp;
+  finish_vector_type (t);
+
+  return t;
 }
diff --git a/gcc/tree.h b/gcc/tree.h
index ce2bcb9..c905324 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -1888,6 +1888,15 @@ enum tree_index
 
   TI_VOID_LIST_NODE,
 
+  TI_UV4SF_TYPE,
+  TI_UV4SI_TYPE,
+  TI_UV8HI_TYPE,
+  TI_UV8QI_TYPE,
+  TI_UV4HI_TYPE,
+  TI_UV2SI_TYPE,
+  TI_UV2SF_TYPE,
+  TI_UV16QI_TYPE,
+
   TI_V4SF_TYPE,
   TI_V4SI_TYPE,
   TI_V8HI_TYPE,
@@ -1956,6 +1965,13 @@ extern tree global_trees[TI_MAX];
 #define main_identifier_node		global_trees[TI_MAIN_IDENTIFIER]
 #define MAIN_NAME_P(NODE) (IDENTIFIER_NODE_CHECK (NODE) == main_identifier_node)
 
+#define unsigned_V16QI_type_node	global_trees[TI_UV16QI_TYPE]
+#define unsigned_V4SI_type_node		global_trees[TI_UV4SI_TYPE]
+#define unsigned_V8QI_type_node		global_trees[TI_UV8QI_TYPE]
+#define unsigned_V8HI_type_node		global_trees[TI_UV8HI_TYPE]
+#define unsigned_V4HI_type_node		global_trees[TI_UV4HI_TYPE]
+#define unsigned_V2SI_type_node		global_trees[TI_UV2SI_TYPE]
+
 #define V16QI_type_node			global_trees[TI_V16QI_TYPE]
 #define V4SF_type_node			global_trees[TI_V4SF_TYPE]
 #define V4SI_type_node			global_trees[TI_V4SI_TYPE]