#endif
#endif
+#if defined (HAVE_AS_TLS) && !defined (ASM_OUTPUT_TLS_COMMON)
+#define ASM_OUTPUT_TLS_COMMON(FILE, DECL, NAME, SIZE) \
+ do \
+ { \
+ fprintf ((FILE), "\t.tls_common\t"); \
+ assemble_name ((FILE), (NAME)); \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
+ (SIZE), DECL_ALIGN (DECL) / BITS_PER_UNIT); \
+ } \
+ while (0)
+#endif
+
/* Decide whether to defer emitting the assembler output for an equate
of two values. The default is to not defer output. */
#ifndef TARGET_DEFERRED_OUTPUT_DEFS
#define TARGET_FLOAT_FORMAT IEEE_FLOAT_FORMAT
#endif
-/* Some macros can be defined by the backend in either a mode-dependent
- or mode-independent form. The compiler proper should only use the
- mode-dependent form, providing VOIDmode when the mode is unknown.
- We can't poison the macros because the backend may reference them. */
-
-#ifndef REGNO_MODE_OK_FOR_BASE_P
-#define REGNO_MODE_OK_FOR_BASE_P(REGNO, MODE) REGNO_OK_FOR_BASE_P (REGNO)
-#endif
-
-#ifndef REG_MODE_OK_FOR_BASE_P
-#define REG_MODE_OK_FOR_BASE_P(REG, MODE) REG_OK_FOR_BASE_P (REG)
-#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
-
-/* Some machines require a different base register class if the index
- is a register. By default, assume that a base register is acceptable. */
-#ifndef MODE_BASE_REG_REG_CLASS
-#define MODE_BASE_REG_REG_CLASS(MODE) MODE_BASE_REG_CLASS(MODE)
-#endif
-
-#ifndef REGNO_MODE_OK_FOR_REG_BASE_P
-#define REGNO_MODE_OK_FOR_REG_BASE_P(REGNO, MODE) REGNO_MODE_OK_FOR_BASE_P (REGNO, MODE)
-#endif
-
-#ifndef REG_MODE_OK_FOR_REG_BASE_P
-#define REG_MODE_OK_FOR_REG_BASE_P(REGNO, MODE) REG_MODE_OK_FOR_BASE_P (REGNO, MODE)
-#endif
-
#ifndef LARGEST_EXPONENT_IS_NORMAL
#define LARGEST_EXPONENT_IS_NORMAL(SIZE) 0
#endif
#define DEFAULT_USE_CXA_ATEXIT 0
#endif
+/* If none of these macros are defined, the port must use the new
+ technique of defining constraints in the machine description.
+ tm_p.h will define those macros that machine-independent code
+ still uses. */
+#if !defined CONSTRAINT_LEN \
+ && !defined REG_CLASS_FROM_LETTER \
+ && !defined REG_CLASS_FROM_CONSTRAINT \
+ && !defined CONST_OK_FOR_LETTER_P \
+ && !defined CONST_OK_FOR_CONSTRAINT_P \
+ && !defined CONST_DOUBLE_OK_FOR_LETTER_P \
+ && !defined CONST_DOUBLE_OK_FOR_CONSTRAINT_P \
+ && !defined EXTRA_CONSTRAINT \
+ && !defined EXTRA_CONSTRAINT_STR \
+ && !defined EXTRA_MEMORY_CONSTRAINT \
+ && !defined EXTRA_ADDRESS_CONSTRAINT
+
+#define USE_MD_CONSTRAINTS
+
+#if GCC_VERSION >= 3000 && defined IN_GCC
+/* These old constraint macros shouldn't appear anywhere in a
+ configuration using MD constraint definitions. */
+#pragma GCC poison REG_CLASS_FROM_LETTER CONST_OK_FOR_LETTER_P \
+ CONST_DOUBLE_OK_FOR_LETTER_P EXTRA_CONSTRAINT
+#endif
+
+#else /* old constraint mechanism in use */
+
/* Determine whether extra constraint letter should be handled
via address reload (like 'o'). */
#ifndef EXTRA_MEMORY_CONSTRAINT
#define EXTRA_CONSTRAINT_STR(OP, C,STR) EXTRA_CONSTRAINT (OP, C)
#endif
+#endif /* old constraint mechanism in use */
+
#ifndef REGISTER_MOVE_COST
#define REGISTER_MOVE_COST(m, x, y) 2
#endif
#define ARG_POINTER_CFA_OFFSET(FNDECL) FIRST_PARM_OFFSET (FNDECL)
#endif
+/* On most machines, we use the CFA as DW_AT_frame_base. */
+#ifndef CFA_FRAME_BASE_OFFSET
+#define CFA_FRAME_BASE_OFFSET(FNDECL) 0
+#endif
+
/* The offset from the incoming value of %sp to the top of the stack frame
for the current function. */
#ifndef INCOMING_FRAME_SP_OFFSET