/* Prototypes of target machine for GNU compiler. MIPS version.
Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+ 1999, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009
+ Free Software Foundation, Inc.
Contributed by A. Lichnewsky (lich@inria.inria.fr).
Changed by Michael Meissner (meissner@osf.org).
64-bit r4000 support by Ian Lance Taylor (ian@cygnus.com) and
struct mips16e_save_restore_info;
+/* Classifies a type of call.
+
+ MIPS_CALL_NORMAL
+ A normal call or call_value pattern.
+
+ MIPS_CALL_SIBCALL
+ A sibcall or sibcall_value pattern.
+
+ MIPS_CALL_EPILOGUE
+ A call inserted in the epilogue. */
+enum mips_call_type {
+ MIPS_CALL_NORMAL,
+ MIPS_CALL_SIBCALL,
+ MIPS_CALL_EPILOGUE
+};
+
extern bool mips_symbolic_constant_p (rtx, enum mips_symbol_context,
enum mips_symbol_type *);
-extern int mips_regno_mode_ok_for_base_p (int, enum machine_mode, int);
+extern int mips_regno_mode_ok_for_base_p (int, enum machine_mode, bool);
extern bool mips_stack_address_p (rtx, enum machine_mode);
extern int mips_address_insns (rtx, enum machine_mode, bool);
extern int mips_const_insns (rtx);
+extern int mips_split_const_insns (rtx);
extern int mips_load_store_insns (rtx, rtx);
extern int mips_idiv_insns (void);
-extern int fp_register_operand (rtx, enum machine_mode);
-extern int lo_operand (rtx, enum machine_mode);
-extern bool mips_legitimate_address_p (enum machine_mode, rtx, int);
extern rtx mips_emit_move (rtx, rtx);
+extern rtx mips_pic_base_register (rtx);
+extern rtx mips_got_load (rtx, rtx, enum mips_symbol_type);
extern bool mips_split_symbol (rtx, rtx, enum machine_mode, rtx *);
extern rtx mips_unspec_address (rtx, enum mips_symbol_type);
-extern bool mips_legitimize_address (rtx *, enum machine_mode);
extern void mips_move_integer (rtx, rtx, unsigned HOST_WIDE_INT);
extern bool mips_legitimize_move (enum machine_mode, rtx, rtx);
extern int m16_simm8_8 (rtx, enum machine_mode);
extern int m16_nsimm8_8 (rtx, enum machine_mode);
-extern rtx mips_subword (rtx, int);
+extern rtx mips_subword (rtx, bool);
extern bool mips_split_64bit_move_p (rtx, rtx);
extern void mips_split_doubleword_move (rtx, rtx);
extern const char *mips_output_move (rtx, rtx);
-extern void mips_restore_gp (void);
+extern bool mips_cfun_has_cprestore_slot_p (void);
+extern bool mips_cprestore_address_p (rtx, bool);
+extern void mips_save_gp_to_cprestore_slot (rtx, rtx, rtx, rtx);
+extern void mips_restore_gp_from_cprestore_slot (rtx);
#ifdef RTX_CODE
-extern bool mips_emit_scc (enum rtx_code, rtx);
-extern void gen_conditional_branch (rtx *, enum rtx_code);
+extern void mips_expand_scc (rtx *);
+extern void mips_expand_conditional_branch (rtx *);
extern void mips_expand_vcondv2sf (rtx, rtx, rtx, enum rtx_code, rtx, rtx);
+extern void mips_expand_conditional_move (rtx *);
+extern void mips_expand_conditional_trap (rtx);
#endif
-extern void gen_conditional_move (rtx *);
-extern void mips_gen_conditional_trap (rtx *);
-extern void mips_expand_call (rtx, rtx, rtx, rtx, int);
-extern void mips_emit_fcc_reload (rtx, rtx, rtx);
+extern bool mips_use_pic_fn_addr_reg_p (const_rtx);
+extern rtx mips_expand_call (enum mips_call_type, rtx, rtx, rtx, rtx, bool);
+extern void mips_split_call (rtx, rtx);
+extern bool mips_get_pic_call_symbol (rtx *, int);
+extern void mips_expand_fcc_reload (rtx, rtx, rtx);
extern void mips_set_return_address (rtx, rtx);
extern bool mips_expand_block_move (rtx, rtx, rtx);
extern void mips_expand_synci_loop (rtx, rtx);
-extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx);
-extern void function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
- tree, int);
-extern struct rtx_def *function_arg (const CUMULATIVE_ARGS *,
- enum machine_mode, tree, int);
-extern int function_arg_boundary (enum machine_mode, tree);
+extern void mips_init_cumulative_args (CUMULATIVE_ARGS *, tree);
+extern void mips_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
+ tree, int);
+extern rtx mips_function_arg (const CUMULATIVE_ARGS *,
+ enum machine_mode, tree, int);
+extern int mips_function_arg_boundary (enum machine_mode, tree);
extern bool mips_pad_arg_upward (enum machine_mode, const_tree);
extern bool mips_pad_reg_upward (enum machine_mode, tree);
-extern void mips_va_start (tree, rtx);
-extern bool mips_expand_unaligned_load (rtx, rtx, unsigned int, int);
-extern bool mips_expand_unaligned_store (rtx, rtx, unsigned int, int);
+extern bool mips_expand_ext_as_unaligned_load (rtx, rtx, HOST_WIDE_INT,
+ HOST_WIDE_INT);
+extern bool mips_expand_ins_as_unaligned_store (rtx, rtx, HOST_WIDE_INT,
+ HOST_WIDE_INT);
extern bool mips_mem_fits_mode_p (enum machine_mode mode, rtx x);
-extern void override_options (void);
+extern void mips_override_options (void);
extern void mips_conditional_register_usage (void);
extern void mips_order_regs_for_local_alloc (void);
extern HOST_WIDE_INT mips_debugger_offset (rtx, HOST_WIDE_INT);
-extern void print_operand (FILE *, rtx, int);
-extern void print_operand_address (FILE *, rtx);
+extern void mips_push_asm_switch (struct mips_asm_switch *);
+extern void mips_pop_asm_switch (struct mips_asm_switch *);
+extern void mips_print_operand (FILE *, rtx, int);
+extern void mips_print_operand_address (FILE *, rtx);
extern void mips_output_external (FILE *, tree, const char *);
extern void mips_output_filename (FILE *, const char *);
-extern void mips_output_ascii (FILE *, const char *, size_t, const char *);
-extern void mips_output_aligned_bss (FILE *, tree, const char *,
- unsigned HOST_WIDE_INT, int);
+extern void mips_output_ascii (FILE *, const char *, size_t);
extern void mips_output_aligned_decl_common (FILE *, tree, const char *,
unsigned HOST_WIDE_INT,
unsigned int);
extern bool mips_small_data_pattern_p (rtx);
extern rtx mips_rewrite_small_data (rtx);
-extern bool mips_frame_pointer_required (void);
extern HOST_WIDE_INT mips_initial_elimination_offset (int, int);
extern rtx mips_return_addr (int, rtx);
+extern bool mips_must_initialize_gp_p (void);
extern enum mips_loadgp_style mips_current_loadgp_style (void);
+extern void mips_emit_save_slot_move (rtx, rtx, rtx);
extern void mips_expand_prologue (void);
-extern void mips_expand_epilogue (int);
-extern int mips_can_use_return_insn (void);
-extern struct rtx_def *mips_function_value (const_tree, const_tree, enum machine_mode);
+extern void mips_expand_before_return (void);
+extern void mips_expand_epilogue (bool);
+extern bool mips_can_use_return_insn (void);
+extern rtx mips_function_value (const_tree, const_tree, enum machine_mode);
extern bool mips_cannot_change_mode_class (enum machine_mode,
enum machine_mode, enum reg_class);
extern bool mips_dangerous_for_la25_p (rtx);
+extern bool mips_modes_tieable_p (enum machine_mode, enum machine_mode);
extern enum reg_class mips_preferred_reload_class (rtx, enum reg_class);
extern enum reg_class mips_secondary_reload_class (enum reg_class,
enum machine_mode,
- rtx, int);
+ rtx, bool);
extern int mips_class_max_nregs (enum reg_class, enum machine_mode);
-extern int build_mips16_call_stub (rtx, rtx, rtx, int);
extern int mips_register_move_cost (enum machine_mode, enum reg_class,
enum reg_class);
extern int mips_adjust_insn_length (rtx, int);
-extern const char *mips_output_load_label (void);
+extern void mips_output_load_label (rtx);
extern const char *mips_output_conditional_branch (rtx, rtx *, const char *,
const char *);
extern const char *mips_output_order_conditional_branch (rtx, rtx *, bool);
+extern const char *mips_output_sync (void);
+extern const char *mips_output_sync_loop (rtx, rtx *);
+extern unsigned int mips_sync_loop_insns (rtx, rtx *);
extern const char *mips_output_division (const char *, rtx *);
extern unsigned int mips_hard_regno_nregs (int, enum machine_mode);
extern bool mips_linked_madd_p (rtx, rtx);
-extern int mips_store_data_bypass_p (rtx, rtx);
+extern bool mips_store_data_bypass_p (rtx, rtx);
extern rtx mips_prefetch_cookie (rtx, rtx);
extern void irix_asm_output_align (FILE *, unsigned);
extern const char *current_section_name (void);
extern unsigned int current_section_flags (void);
-extern bool mips_use_ins_ext_p (rtx, rtx, rtx);
+extern bool mips_use_ins_ext_p (rtx, HOST_WIDE_INT, HOST_WIDE_INT);
extern const char *mips16e_output_save_restore (rtx, HOST_WIDE_INT);
extern bool mips16e_save_restore_pattern_p (rtx, HOST_WIDE_INT,
struct mips16e_save_restore_info *);
+extern bool mask_low_and_shift_p (enum machine_mode, rtx, rtx, int);
+extern int mask_low_and_shift_len (enum machine_mode, rtx, rtx);
+extern bool and_operands_ok (enum machine_mode, rtx, rtx);
+
+union mips_gen_fn_ptrs
+{
+ rtx (*fn_6) (rtx, rtx, rtx, rtx, rtx, rtx);
+ rtx (*fn_5) (rtx, rtx, rtx, rtx, rtx);
+ rtx (*fn_4) (rtx, rtx, rtx, rtx);
+};
+
+extern void mips_expand_atomic_qihi (union mips_gen_fn_ptrs,
+ rtx, rtx, rtx, rtx);
+
+extern void mips_expand_vector_init (rtx, rtx);
+
+extern bool mips_eh_uses (unsigned int);
+extern bool mips_epilogue_uses (unsigned int);
+extern void mips_final_prescan_insn (rtx, rtx *, int);
+extern int mips_trampoline_code_size (void);
+extern void mips_function_profiler (FILE *);
+
+typedef rtx (*mulsidi3_gen_fn) (rtx, rtx, rtx);
+#ifdef RTX_CODE
+extern mulsidi3_gen_fn mips_mulsidi3_gen_fn (enum rtx_code);
+#endif
+
#endif /* ! GCC_MIPS_PROTOS_H */
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