1 /* Prototypes for exported functions defined in avr.c
3 Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
4 Contributed by Denis Chertykov (denisc@overta.ru)
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 GCC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to
20 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA. */
24 extern int function_arg_regno_p (int r
);
25 extern void avr_init_once (void);
26 extern void avr_override_options (void);
27 extern void avr_optimization_options (int level
, int size
);
28 extern char *avr_change_section (char *sect_name
);
29 extern int avr_ret_register (void);
30 extern enum reg_class
class_likely_spilled_p (int c
);
31 extern enum reg_class
avr_regno_reg_class (int r
);
32 extern enum reg_class
avr_reg_class_from_letter (int c
);
33 extern int frame_pointer_required_p (void);
34 extern void asm_globalize_label (FILE *file
, const char *name
);
35 extern void order_regs_for_local_alloc (void);
36 extern int initial_elimination_offset (int from
, int to
);
37 extern int avr_simple_epilogue (void);
38 extern void progmem_section (void);
39 extern int mask_one_bit_p (HOST_WIDE_INT mask
);
40 extern void gas_output_limited_string (FILE *file
, const char *str
);
41 extern void gas_output_ascii (FILE *file
, const char *str
, size_t length
);
44 extern void asm_output_external (FILE *file
, tree decl
, char *name
);
45 extern int avr_progmem_p (tree decl
, tree attributes
);
47 #ifdef RTX_CODE /* inside TREE_CODE */
48 extern rtx
avr_function_value (tree type
, tree func
);
49 extern void init_cumulative_args (CUMULATIVE_ARGS
*cum
, tree fntype
,
50 rtx libname
, tree fndecl
);
51 extern rtx
function_arg (CUMULATIVE_ARGS
*cum
, enum machine_mode mode
,
52 tree type
, int named
);
53 #endif /* RTX_CODE inside TREE_CODE */
55 #ifdef HAVE_MACHINE_MODES /* inside TREE_CODE */
56 extern void function_arg_advance (CUMULATIVE_ARGS
*cum
,
57 enum machine_mode mode
, tree type
,
59 #endif /* HAVE_MACHINE_MODES inside TREE_CODE*/
60 #endif /* TREE_CODE */
63 extern void asm_output_external_libcall (FILE *file
, rtx symref
);
64 extern int legitimate_address_p (enum machine_mode mode
, rtx x
, int strict
);
65 extern int compare_diff_p (rtx insn
);
66 extern const char *output_movqi (rtx insn
, rtx operands
[], int *l
);
67 extern const char *output_movhi (rtx insn
, rtx operands
[], int *l
);
68 extern const char *out_movqi_r_mr (rtx insn
, rtx op
[], int *l
);
69 extern const char *out_movqi_mr_r (rtx insn
, rtx op
[], int *l
);
70 extern const char *out_movhi_r_mr (rtx insn
, rtx op
[], int *l
);
71 extern const char *out_movhi_mr_r (rtx insn
, rtx op
[], int *l
);
72 extern const char *out_movsi_r_mr (rtx insn
, rtx op
[], int *l
);
73 extern const char *out_movsi_mr_r (rtx insn
, rtx op
[], int *l
);
74 extern const char *output_movsisf (rtx insn
, rtx operands
[], int *l
);
75 extern const char *out_tstsi (rtx insn
, int *l
);
76 extern const char *out_tsthi (rtx insn
, int *l
);
77 extern const char *ret_cond_branch (rtx x
, int len
, int reverse
);
79 extern const char *ashlqi3_out (rtx insn
, rtx operands
[], int *len
);
80 extern const char *ashlhi3_out (rtx insn
, rtx operands
[], int *len
);
81 extern const char *ashlsi3_out (rtx insn
, rtx operands
[], int *len
);
83 extern const char *ashrqi3_out (rtx insn
, rtx operands
[], int *len
);
84 extern const char *ashrhi3_out (rtx insn
, rtx operands
[], int *len
);
85 extern const char *ashrsi3_out (rtx insn
, rtx operands
[], int *len
);
87 extern const char *lshrqi3_out (rtx insn
, rtx operands
[], int *len
);
88 extern const char *lshrhi3_out (rtx insn
, rtx operands
[], int *len
);
89 extern const char *lshrsi3_out (rtx insn
, rtx operands
[], int *len
);
91 extern void avr_output_bld (rtx operands
[], int bit_nr
);
92 extern void avr_output_addr_vec_elt (FILE *stream
, int value
);
93 extern const char *avr_out_sbxx_branch (rtx insn
, rtx operands
[]);
95 extern enum reg_class
preferred_reload_class (rtx x
, enum reg_class
class);
96 extern int extra_constraint (rtx x
, int c
);
97 extern rtx
legitimize_address (rtx x
, rtx oldx
, enum machine_mode mode
);
98 extern int adjust_insn_length (rtx insn
, int len
);
99 extern rtx
avr_libcall_value (enum machine_mode mode
);
100 extern const char *output_reload_inhi (rtx insn
, rtx
*operands
, int *len
);
101 extern const char *output_reload_insisf (rtx insn
, rtx
*operands
, int *len
);
102 extern enum reg_class
secondary_input_reload_class (enum reg_class
,
105 extern void notice_update_cc (rtx body
, rtx insn
);
106 extern void print_operand (FILE *file
, rtx x
, int code
);
107 extern void print_operand_address (FILE *file
, rtx addr
);
108 extern int reg_unused_after (rtx insn
, rtx reg
);
109 extern int _reg_unused_after (rtx insn
, rtx reg
);
110 extern int avr_jump_mode (rtx x
, rtx insn
);
111 extern int byte_immediate_operand (rtx op
, enum machine_mode mode
);
112 extern int test_hard_reg_class (enum reg_class
class, rtx x
);
113 extern int jump_over_one_insn_p (rtx insn
, rtx dest
);
115 extern int avr_hard_regno_mode_ok (int regno
, enum machine_mode mode
);
116 extern int call_insn_operand (rtx op
, enum machine_mode mode
);
117 extern void final_prescan_insn (rtx insn
, rtx
*operand
, int num_operands
);
118 extern int avr_simplify_comparison_p (enum machine_mode mode
,
119 RTX_CODE
operator, rtx x
);
120 extern RTX_CODE
avr_normalize_condition (RTX_CODE condition
);
121 extern int compare_eq_p (rtx insn
);
122 extern void out_shift_with_cnt (const char *template, rtx insn
,
123 rtx operands
[], int *len
, int t_len
);
124 extern int avr_io_address_p (rtx x
, int size
);
125 extern int const_int_pow2_p (rtx x
);
126 extern int avr_peep2_scratch_safe (rtx reg_rtx
);
127 #endif /* RTX_CODE */
129 #ifdef HAVE_MACHINE_MODES
130 extern int class_max_nregs (enum reg_class
class, enum machine_mode mode
);
131 #endif /* HAVE_MACHINE_MODES */
133 #ifdef REAL_VALUE_TYPE
134 extern void asm_output_float (FILE *file
, REAL_VALUE_TYPE n
);