config:

[pf3gnuchains/gcc-fork.git] / gcc / tree.def

diff --git a/gcc/tree.def b/gcc/tree.def
index b4fb3ca..c61a5ff 100644 (file)
--- a/gcc/tree.def
+++ b/gcc/tree.def
@@ -1,6 +1,6 @@
 /* This file contains the definitions and documentation for the
    tree codes used in the GNU C compiler.
-   Copyright (C) 1987, 1988, 1993, 1995, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1988, 1993, 1995, 1997, 1998, 2000 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -82,7 +82,9 @@ DEFTREECODE (TREE_VEC, "tree_vec", 'x', 2)
    outermost scope of a particular inlining of a function).
    BLOCK_ABSTRACT is non-zero if the block represents an abstract
    instance of a block (i.e. one which is nested within an abstract
-   instance of an inline function). */
+   instance of an inline function). 
+   TREE_ASM_WRITTEN is non-zero if the block was actually referenced
+   in the generated assembly.  */
 DEFTREECODE (BLOCK, "block", 'b', 0)
 \f
 /* Each data type is represented by a tree node whose code is one of
@@ -148,6 +150,10 @@ DEFTREECODE (REAL_TYPE, "real_type", 't', 0)
    of the real and imaginary parts.  */
 DEFTREECODE (COMPLEX_TYPE, "complex_type", 't', 0)
 
+/* Vector types.  The TREE_TYPE field is the data type of the vector
+   elements.  */
+DEFTREECODE (VECTOR_TYPE, "vector_type", 't', 0)
+
 /* C enums.  The type node looks just like an INTEGER_TYPE node.
    The symbols for the values of the enum type are defined by
    CONST_DECL nodes, but the type does not point to them;
@@ -448,10 +454,8 @@ DEFTREECODE (BIND_EXPR, "bind_expr", 'e', 3)
 
 /* Function call.  Operand 0 is the function.
    Operand 1 is the argument list, a list of expressions
-   made out of a chain of TREE_LIST nodes.
-   There is no operand 2.  That slot is used for the
-   CALL_EXPR_RTL macro (see preexpand_calls).  */
-DEFTREECODE (CALL_EXPR, "call_expr", 'e', 3)
+   made out of a chain of TREE_LIST nodes.  */
+DEFTREECODE (CALL_EXPR, "call_expr", 'e', 2)
 
 /* Call a method.  Operand 0 is the method, whose type is a METHOD_TYPE.
    Operand 1 is the expression for "self".
@@ -600,8 +604,8 @@ DEFTREECODE (ABS_EXPR, "abs_expr", '1', 1)
 DEFTREECODE (FFS_EXPR, "ffs_expr", '1', 1)
 
 /* Shift operations for shift and rotate.
-   Shift is supposed to mean logical shift if done on an
-   unsigned type, arithmetic shift on a signed type.
+   Shift means logical shift if done on an
+   unsigned type, arithmetic shift if done on a signed type.
    The second operand is the number of bits to
    shift by; it need not be the same type as the first operand and result.  */
 DEFTREECODE (LSHIFT_EXPR, "lshift_expr", '2', 2)
@@ -651,7 +655,6 @@ DEFTREECODE (UNLE_EXPR, "unle_expr", '<', 2)
 DEFTREECODE (UNGT_EXPR, "ungt_expr", '<', 2)
 DEFTREECODE (UNGE_EXPR, "unge_expr", '<', 2)
 DEFTREECODE (UNEQ_EXPR, "uneq_expr", '<', 2)
-DEFTREECODE (UNNE_EXPR, "unne_expr", '<', 2)
 
 /* Operations for Pascal sets.  Not used now.  */
 DEFTREECODE (IN_EXPR, "in_expr", '2', 2)
@@ -685,10 +688,13 @@ DEFTREECODE (SAVE_EXPR, "save_expr", 'e', 3)
    but where we must re-expand.  */
 DEFTREECODE (UNSAVE_EXPR, "unsave_expr", 'e', 1)
 
-/* Represents something whose RTL has already been expanded
-   as a sequence which should be emitted when this expression is expanded.
-   The first operand is the RTL to emit.  It is the first of a chain of insns.
-   The second is the RTL expression for the result.  */
+/* Represents something whose RTL has already been expanded as a
+   sequence which should be emitted when this expression is expanded.
+   The first operand is the RTL to emit.  It is the first of a chain
+   of insns.  The second is the RTL expression for the result.  Any
+   temporaries created during the building of the RTL_EXPR can be
+   reused once the RTL_EXPR has been expanded, with the exception of
+   the RTL_EXPR_RTL.  */
 DEFTREECODE (RTL_EXPR, "rtl_expr", 'e', 2)
 
 /* & in C.  Value is the address at which the operand's value resides.