+#define EXTRA_ADDRESS_CONSTRAINT(C,STR) 0
+#endif
+
+/* When a port defines CONSTRAINT_LEN, it should use DEFAULT_CONSTRAINT_LEN
+ for all the characters that it does not want to change, so things like the
+ 'length' of a digit in a matching constraint is an implementation detail,
+ and not part of the interface. */
+#define DEFAULT_CONSTRAINT_LEN(C,STR) 1
+
+#ifndef CONSTRAINT_LEN
+#define CONSTRAINT_LEN(C,STR) DEFAULT_CONSTRAINT_LEN (C, STR)
+#endif
+
+#if defined (CONST_OK_FOR_LETTER_P) && ! defined (CONST_OK_FOR_CONSTRAINT_P)
+#define CONST_OK_FOR_CONSTRAINT_P(VAL,C,STR) CONST_OK_FOR_LETTER_P (VAL, C)
+#endif
+
+#if defined (CONST_DOUBLE_OK_FOR_LETTER_P) && ! defined (CONST_DOUBLE_OK_FOR_CONSTRAINT_P)
+#define CONST_DOUBLE_OK_FOR_CONSTRAINT_P(OP,C,STR) \
+ CONST_DOUBLE_OK_FOR_LETTER_P (OP, C)
+#endif
+
+#ifndef REG_CLASS_FROM_CONSTRAINT
+#define REG_CLASS_FROM_CONSTRAINT(C,STR) REG_CLASS_FROM_LETTER (C)
+#endif
+
+#if defined (EXTRA_CONSTRAINT) && ! defined (EXTRA_CONSTRAINT_STR)
+#define EXTRA_CONSTRAINT_STR(OP, C,STR) EXTRA_CONSTRAINT (OP, C)
+#endif
+
+#ifndef REGISTER_MOVE_COST
+#define REGISTER_MOVE_COST(m, x, y) 2
+#endif
+
+/* Determine whether the the entire c99 runtime
+ is present in the runtime library. */
+#ifndef TARGET_C99_FUNCTIONS
+#define TARGET_C99_FUNCTIONS 0
+#endif
+
+/* Indicate that CLZ and CTZ are undefined at zero. */
+#ifndef CLZ_DEFINED_VALUE_AT_ZERO
+#define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) 0
+#endif
+#ifndef CTZ_DEFINED_VALUE_AT_ZERO
+#define CTZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) 0
+#endif
+
+/* Provide a default value for STORE_FLAG_VALUE. */
+#ifndef STORE_FLAG_VALUE
+#define STORE_FLAG_VALUE 1
+#endif
+
+/* This macro is used to determine what the largest unit size that
+ move_by_pieces can use is. */
+
+/* MOVE_MAX_PIECES is the number of bytes at a time which we can
+ move efficiently, as opposed to MOVE_MAX which is the maximum
+ number of bytes we can move with a single instruction. */
+
+#ifndef MOVE_MAX_PIECES
+#define MOVE_MAX_PIECES MOVE_MAX
+#endif
+
+#ifndef STACK_POINTER_OFFSET
+#define STACK_POINTER_OFFSET 0
+#endif
+
+#ifndef LOCAL_REGNO
+#define LOCAL_REGNO(REGNO) 0
+#endif
+
+/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
+ the stack pointer does not matter. The value is tested only in
+ functions that have frame pointers. */
+#ifndef EXIT_IGNORE_STACK
+#define EXIT_IGNORE_STACK 0
+#endif
+
+/* Assume that case vectors are not pc-relative. */
+#ifndef CASE_VECTOR_PC_RELATIVE
+#define CASE_VECTOR_PC_RELATIVE 0
+#endif
+
+/* Assume that trampolines need function alignment. */
+#ifndef TRAMPOLINE_ALIGNMENT
+#define TRAMPOLINE_ALIGNMENT FUNCTION_BOUNDARY
+#endif
+
+/* Register mappings for target machines without register windows. */
+#ifndef INCOMING_REGNO
+#define INCOMING_REGNO(N) (N)
+#endif
+
+#ifndef OUTGOING_REGNO
+#define OUTGOING_REGNO(N) (N)
+#endif
+
+#ifndef SHIFT_COUNT_TRUNCATED
+#define SHIFT_COUNT_TRUNCATED 0
+#endif
+
+#ifndef LEGITIMIZE_ADDRESS
+#define LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN)
+#endif
+
+#ifndef REVERSIBLE_CC_MODE
+#define REVERSIBLE_CC_MODE(MODE) 0