[ ChangeLog ]

[deliverable/binutils-gdb.git] / gas / expr.h

diff --git a/gas/expr.h b/gas/expr.h
index e3764092970fac535f0223b24970682ebff46cf8..3a4c931673501d3af618d52ba0712353572ac012 100644 (file)
--- a/gas/expr.h
+++ b/gas/expr.h
@@ -1,5 +1,6 @@
 /* expr.h -> header file for expr.c
-   Copyright (C) 1987, 92-98, 1999 Free Software Foundation, Inc.
+   Copyright 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
+   Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
 
@@ -39,8 +40,7 @@
 
    NOTE: This enumeration must match the op_rank array in expr.c.  */
 
-typedef enum
-{
+typedef enum {
   /* An illegal expression.  */
   O_illegal,
   /* A nonexistent expression.  */
@@ -104,44 +104,55 @@ typedef enum
   O_logical_or,
   /* X_op_symbol [ X_add_symbol ] */
   O_index,
+  /* machine dependent operators */
+  O_md1,  O_md2,  O_md3,  O_md4,  O_md5,  O_md6,  O_md7,  O_md8,
+  O_md9,  O_md10, O_md11, O_md12, O_md13, O_md14, O_md15, O_md16,
+  O_md17, O_md18, O_md19, O_md20, O_md21, O_md22, O_md23, O_md24,
+  O_md25, O_md26, O_md27, O_md28, O_md29, O_md30, O_md31, O_md32,
   /* this must be the largest value */
   O_max
 } operatorT;
 
-typedef struct expressionS
-{
+typedef struct expressionS {
   /* The main symbol.  */
   symbolS *X_add_symbol;
   /* The second symbol, if needed.  */
   symbolS *X_op_symbol;
   /* A number to add.  */
   offsetT X_add_number;
+
   /* The type of the expression.  We can't assume that an arbitrary
      compiler can handle a bitfield of enum type.  FIXME: We could
      check this using autoconf.  */
 #ifdef __GNUC__
-  operatorT X_op : 7;
+  operatorT X_op : 8;
 #else
-  unsigned X_op : 7;
+  unsigned char X_op;
 #endif
+
   /* Non-zero if X_add_number should be regarded as unsigned.  This is
      only valid for O_constant expressions.  It is only used when an
      O_constant must be extended into a bignum (i.e., it is not used
      when performing arithmetic on these values).
      FIXME: This field is not set very reliably.  */
   unsigned int X_unsigned : 1;
+
+  /* 7 additional bits can be defined if needed.  */
+
+  /* Machine dependent field */
+  unsigned short X_md;
 } expressionS;
 
-/* "result" should be type (expressionS *). */
+/* "result" should be type (expressionS *).  */
 #define expression(result) expr (0, result)
 
 /* If an expression is O_big, look here for its value. These common
-   data may be clobbered whenever expr() is called. */
-/* Flonums returned here.  Big enough to hold most precise flonum. */
+   data may be clobbered whenever expr() is called.  */
+/* Flonums returned here.  Big enough to hold most precise flonum.  */
 extern FLONUM_TYPE generic_floating_point_number;
-/* Bignums returned here. */
+/* Bignums returned here.  */
 extern LITTLENUM_TYPE generic_bignum[];
-/* Number of littlenums in above. */
+/* Number of littlenums in above.  */
 #define SIZE_OF_LARGE_NUMBER (20)
 
 typedef char operator_rankT;
@@ -159,5 +170,3 @@ extern symbolS *expr_build_uconstant PARAMS ((offsetT));
 extern symbolS *expr_build_unary PARAMS ((operatorT, symbolS *));
 extern symbolS *expr_build_binary PARAMS ((operatorT, symbolS *, symbolS *));
 extern symbolS *expr_build_dot PARAMS ((void));
-
-/* end of expr.h */