2002-03-03 Aldy Hernandez <aldyh@redhat.com>

[pf3gnuchains/gcc-fork.git] / gcc / defaults.h

diff --git a/gcc/defaults.h b/gcc/defaults.h
index 91962d4..fe46740 100644 (file)
--- a/gcc/defaults.h
+++ b/gcc/defaults.h
@@ -1,5 +1,5 @@
 /* Definitions of various defaults for tm.h macros.
-   Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001
+   Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002
    Free Software Foundation, Inc.
    Contributed by Ron Guilmette (rfg@monkeys.com)
 
@@ -158,7 +158,7 @@ do { ASM_OUTPUT_LABEL(FILE,LABEL_ALTERNATE_NAME (INSN)); } while (0)
 
 /* This determines whether or not we support weak symbols.  */
 #ifndef SUPPORTS_WEAK
-#ifdef ASM_WEAKEN_LABEL
+#if defined (ASM_WEAKEN_LABEL) || defined (ASM_WEAKEN_DECL)
 #define SUPPORTS_WEAK 1
 #else
 #define SUPPORTS_WEAK 0
@@ -281,6 +281,14 @@ do {                                                               \
    your target, you should override these values by defining the
    appropriate symbols in your tm.h file.  */
 
+#ifndef BITS_PER_UNIT
+#define BITS_PER_UNIT 8
+#endif
+
+#ifndef BITS_PER_WORD
+#define BITS_PER_WORD (BITS_PER_UNIT * UNITS_PER_WORD)
+#endif
+
 #ifndef CHAR_TYPE_SIZE
 #define CHAR_TYPE_SIZE BITS_PER_UNIT
 #endif
@@ -450,4 +458,11 @@ You Lose!  You must define PREFERRED_DEBUGGING_TYPE!
 #define FUNCTION_ARG_REG_LITTLE_ENDIAN 0
 #endif
 
+/* Determine the register class for registers suitable to be the base
+   address register in a MEM.  Allow the choice to be dependent upon
+   the mode of the memory access.  */
+#ifndef MODE_BASE_REG_CLASS
+#define MODE_BASE_REG_CLASS(MODE) BASE_REG_CLASS
+#endif
+
 #endif  /* ! GCC_DEFAULTS_H */