1 /* Prototypes for exported functions defined in arm.c and pe.c
2 Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
3 2009, 2010, 2012 Free Software Foundation, Inc.
4 Contributed by Richard Earnshaw (rearnsha@arm.com)
5 Minor hacks by Nick Clifton (nickc@cygnus.com)
7 This file is part of GCC.
9 GCC is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3, or (at your option)
14 GCC is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with GCC; see the file COPYING3. If not see
21 <http://www.gnu.org/licenses/>. */
23 #ifndef GCC_ARM_PROTOS_H
24 #define GCC_ARM_PROTOS_H
26 extern enum unwind_info_type
arm_except_unwind_info (struct gcc_options
*);
27 extern int use_return_insn (int, rtx
);
28 extern enum reg_class
arm_regno_class (int);
29 extern void arm_load_pic_register (unsigned long);
30 extern int arm_volatile_func (void);
31 extern void arm_expand_prologue (void);
32 extern void arm_expand_epilogue (bool);
33 extern void thumb2_expand_return (void);
34 extern const char *arm_strip_name_encoding (const char *);
35 extern void arm_asm_output_labelref (FILE *, const char *);
36 extern void thumb2_asm_output_opcode (FILE *);
37 extern unsigned long arm_current_func_type (void);
38 extern HOST_WIDE_INT
arm_compute_initial_elimination_offset (unsigned int,
40 extern HOST_WIDE_INT
thumb_compute_initial_elimination_offset (unsigned int,
42 extern unsigned int arm_dbx_register_number (unsigned int);
43 extern void arm_output_fn_unwind (FILE *, bool);
47 extern bool arm_vector_mode_supported_p (enum machine_mode
);
48 extern bool arm_small_register_classes_for_mode_p (enum machine_mode
);
49 extern int arm_hard_regno_mode_ok (unsigned int, enum machine_mode
);
50 extern bool arm_modes_tieable_p (enum machine_mode
, enum machine_mode
);
51 extern int const_ok_for_arm (HOST_WIDE_INT
);
52 extern int const_ok_for_op (HOST_WIDE_INT
, enum rtx_code
);
53 extern int const_ok_for_dimode_op (HOST_WIDE_INT
, enum rtx_code
);
54 extern int arm_split_constant (RTX_CODE
, enum machine_mode
, rtx
,
55 HOST_WIDE_INT
, rtx
, rtx
, int);
56 extern RTX_CODE
arm_canonicalize_comparison (RTX_CODE
, rtx
*, rtx
*);
57 extern int legitimate_pic_operand_p (rtx
);
58 extern rtx
legitimize_pic_address (rtx
, enum machine_mode
, rtx
);
59 extern rtx
legitimize_tls_address (rtx
, rtx
);
60 extern int arm_legitimate_address_outer_p (enum machine_mode
, rtx
, RTX_CODE
, int);
61 extern int thumb_legitimate_offset_p (enum machine_mode
, HOST_WIDE_INT
);
62 extern bool arm_legitimize_reload_address (rtx
*, enum machine_mode
, int, int,
64 extern rtx
thumb_legitimize_reload_address (rtx
*, enum machine_mode
, int, int,
66 extern int thumb1_legitimate_address_p (enum machine_mode
, rtx
, int);
67 extern bool ldm_stm_operation_p (rtx
, bool, enum machine_mode mode
,
69 extern int arm_const_double_rtx (rtx
);
70 extern int vfp3_const_double_rtx (rtx
);
71 extern int neon_immediate_valid_for_move (rtx
, enum machine_mode
, rtx
*, int *);
72 extern int neon_immediate_valid_for_logic (rtx
, enum machine_mode
, int, rtx
*,
74 extern int neon_immediate_valid_for_shift (rtx
, enum machine_mode
, rtx
*,
76 extern char *neon_output_logic_immediate (const char *, rtx
*,
77 enum machine_mode
, int, int);
78 extern char *neon_output_shift_immediate (const char *, char, rtx
*,
79 enum machine_mode
, int, bool);
80 extern void neon_pairwise_reduce (rtx
, rtx
, enum machine_mode
,
81 rtx (*) (rtx
, rtx
, rtx
));
82 extern rtx
neon_make_constant (rtx
);
83 extern void neon_expand_vector_init (rtx
, rtx
);
84 extern void neon_lane_bounds (rtx
, HOST_WIDE_INT
, HOST_WIDE_INT
);
85 extern void neon_const_bounds (rtx
, HOST_WIDE_INT
, HOST_WIDE_INT
);
86 extern HOST_WIDE_INT
neon_element_bits (enum machine_mode
);
87 extern void neon_reinterpret (rtx
, rtx
);
88 extern void neon_emit_pair_result_insn (enum machine_mode
,
89 rtx (*) (rtx
, rtx
, rtx
, rtx
),
91 extern void neon_disambiguate_copy (rtx
*, rtx
*, rtx
*, unsigned int);
92 extern void neon_split_vcombine (rtx op
[3]);
93 extern enum reg_class
coproc_secondary_reload_class (enum machine_mode
, rtx
,
95 extern bool arm_tls_referenced_p (rtx
);
97 extern int arm_coproc_mem_operand (rtx
, bool);
98 extern int neon_vector_mem_operand (rtx
, int);
99 extern int neon_struct_mem_operand (rtx
);
100 extern int arm_no_early_store_addr_dep (rtx
, rtx
);
101 extern int arm_early_store_addr_dep (rtx
, rtx
);
102 extern int arm_early_load_addr_dep (rtx
, rtx
);
103 extern int arm_no_early_alu_shift_dep (rtx
, rtx
);
104 extern int arm_no_early_alu_shift_value_dep (rtx
, rtx
);
105 extern int arm_no_early_mul_dep (rtx
, rtx
);
106 extern int arm_mac_accumulator_is_mul_result (rtx
, rtx
);
108 extern int tls_mentioned_p (rtx
);
109 extern int symbol_mentioned_p (rtx
);
110 extern int label_mentioned_p (rtx
);
111 extern RTX_CODE
minmax_code (rtx
);
112 extern bool arm_sat_operator_match (rtx
, rtx
, int *, bool *);
113 extern int adjacent_mem_locations (rtx
, rtx
);
114 extern bool gen_ldm_seq (rtx
*, int, bool);
115 extern bool gen_stm_seq (rtx
*, int);
116 extern bool gen_const_stm_seq (rtx
*, int);
117 extern rtx
arm_gen_load_multiple (int *, int, rtx
, int, rtx
, HOST_WIDE_INT
*);
118 extern rtx
arm_gen_store_multiple (int *, int, rtx
, int, rtx
, HOST_WIDE_INT
*);
119 extern bool offset_ok_for_ldrd_strd (HOST_WIDE_INT
);
120 extern bool operands_ok_ldrd_strd (rtx
, rtx
, rtx
, HOST_WIDE_INT
, bool, bool);
121 extern int arm_gen_movmemqi (rtx
*);
122 extern enum machine_mode
arm_select_cc_mode (RTX_CODE
, rtx
, rtx
);
123 extern enum machine_mode
arm_select_dominance_cc_mode (rtx
, rtx
,
125 extern rtx
arm_gen_compare_reg (RTX_CODE
, rtx
, rtx
, rtx
);
126 extern rtx
arm_gen_return_addr_mask (void);
127 extern void arm_reload_in_hi (rtx
*);
128 extern void arm_reload_out_hi (rtx
*);
129 extern int arm_const_double_inline_cost (rtx
);
130 extern bool arm_const_double_by_parts (rtx
);
131 extern bool arm_const_double_by_immediates (rtx
);
132 extern const char *fp_immediate_constant (rtx
);
133 extern void arm_emit_call_insn (rtx
, rtx
);
134 extern const char *output_call (rtx
*);
135 extern const char *output_call_mem (rtx
*);
136 void arm_emit_movpair (rtx
, rtx
);
137 extern const char *output_mov_long_double_arm_from_arm (rtx
*);
138 extern const char *output_move_double (rtx
*, bool, int *count
);
139 extern const char *output_move_quad (rtx
*);
140 extern int arm_count_output_move_double_insns (rtx
*);
141 extern const char *output_move_vfp (rtx
*operands
);
142 extern const char *output_move_neon (rtx
*operands
);
143 extern int arm_attr_length_move_neon (rtx
);
144 extern int arm_address_offset_is_imm (rtx
);
145 extern const char *output_add_immediate (rtx
*);
146 extern const char *arithmetic_instr (rtx
, int);
147 extern void output_ascii_pseudo_op (FILE *, const unsigned char *, int);
148 extern const char *output_return_instruction (rtx
, bool, bool, bool);
149 extern void arm_poke_function_name (FILE *, const char *);
150 extern void arm_final_prescan_insn (rtx
);
151 extern int arm_debugger_arg_offset (int, rtx
);
152 extern bool arm_is_long_call_p (tree
);
153 extern int arm_emit_vector_const (FILE *, rtx
);
154 extern void arm_emit_fp16_const (rtx c
);
155 extern const char * arm_output_load_gr (rtx
*);
156 extern const char *vfp_output_fstmd (rtx
*);
157 extern void arm_output_multireg_pop (rtx
*, bool, rtx
, bool, bool);
158 extern void arm_set_return_address (rtx
, rtx
);
159 extern int arm_eliminable_register (rtx
);
160 extern const char *arm_output_shift(rtx
*, int);
161 extern const char *arm_output_iwmmxt_shift_immediate (const char *, rtx
*, bool);
162 extern const char *arm_output_iwmmxt_tinsr (rtx
*);
163 extern unsigned int arm_sync_loop_insns (rtx
, rtx
*);
164 extern int arm_attr_length_push_multi(rtx
, rtx
);
165 extern void arm_expand_compare_and_swap (rtx op
[]);
166 extern void arm_split_compare_and_swap (rtx op
[]);
167 extern void arm_split_atomic_op (enum rtx_code
, rtx
, rtx
, rtx
, rtx
, rtx
, rtx
);
168 extern rtx
arm_load_tp (rtx
);
170 #if defined TREE_CODE
171 extern void arm_init_cumulative_args (CUMULATIVE_ARGS
*, tree
, rtx
, tree
);
172 extern bool arm_pad_arg_upward (enum machine_mode
, const_tree
);
173 extern bool arm_pad_reg_upward (enum machine_mode
, tree
, int);
175 extern int arm_apply_result_size (void);
177 #endif /* RTX_CODE */
179 /* Thumb functions. */
180 extern void arm_init_expanders (void);
181 extern const char *thumb1_unexpanded_epilogue (void);
182 extern void thumb1_expand_prologue (void);
183 extern void thumb1_expand_epilogue (void);
184 extern const char *thumb1_output_interwork (void);
186 extern int is_called_in_ARM_mode (tree
);
188 extern int thumb_shiftable_const (unsigned HOST_WIDE_INT
);
190 extern enum arm_cond_code
maybe_get_arm_condition_code (rtx
);
191 extern void thumb1_final_prescan_insn (rtx
);
192 extern void thumb2_final_prescan_insn (rtx
);
193 extern const char *thumb_load_double_from_address (rtx
*);
194 extern const char *thumb_output_move_mem_multiple (int, rtx
*);
195 extern const char *thumb_call_via_reg (rtx
);
196 extern void thumb_expand_movmemqi (rtx
*);
197 extern rtx
arm_return_addr (int, rtx
);
198 extern void thumb_reload_out_hi (rtx
*);
199 extern void thumb_reload_in_hi (rtx
*);
200 extern void thumb_set_return_address (rtx
, rtx
);
201 extern const char *thumb1_output_casesi (rtx
*);
202 extern const char *thumb2_output_casesi (rtx
*);
205 /* Defined in pe.c. */
206 extern int arm_dllexport_name_p (const char *);
207 extern int arm_dllimport_name_p (const char *);
210 extern void arm_pe_unique_section (tree
, int);
211 extern void arm_pe_encode_section_info (tree
, rtx
, int);
212 extern int arm_dllexport_p (tree
);
213 extern int arm_dllimport_p (tree
);
214 extern void arm_mark_dllexport (tree
);
215 extern void arm_mark_dllimport (tree
);
218 extern void arm_pr_long_calls (struct cpp_reader
*);
219 extern void arm_pr_no_long_calls (struct cpp_reader
*);
220 extern void arm_pr_long_calls_off (struct cpp_reader
*);
222 extern void arm_lang_object_attributes_init(void);
224 extern const char *arm_mangle_type (const_tree
);
226 extern void arm_order_regs_for_local_alloc (void);
229 /* This needs to be here because we need RTX_CODE and similar. */
233 bool (*rtx_costs
) (rtx
, RTX_CODE
, RTX_CODE
, int *, bool);
234 bool (*sched_adjust_cost
) (rtx
, rtx
, rtx
, int *);
236 /* Maximum number of instructions to conditionalise in
237 arm_final_prescan_insn. */
238 int max_insns_skipped
;
239 int num_prefetch_slots
;
241 int l1_cache_line_size
;
242 bool prefer_constant_pool
;
243 int (*branch_cost
) (bool, bool);
244 /* Prefer STRD/LDRD instructions over PUSH/POP/LDM/STM. */
245 bool prefer_ldrd_strd
;
246 /* The preference for non short cirtcuit operation when optimizing for
247 performance. The first element covers Thumb state and the second one
249 bool logical_op_non_short_circuit
[2];
252 extern const struct tune_params
*current_tune
;
253 extern int vfp3_const_double_for_fract_bits (rtx
);
255 extern void arm_emit_coreregs_64bit_shift (enum rtx_code
, rtx
, rtx
, rtx
, rtx
,
257 extern bool arm_validize_comparison (rtx
*, rtx
*, rtx
*);
258 #endif /* RTX_CODE */
260 extern void arm_expand_vec_perm (rtx target
, rtx op0
, rtx op1
, rtx sel
);
261 extern bool arm_expand_vec_perm_const (rtx target
, rtx op0
, rtx op1
, rtx sel
);
263 extern bool arm_autoinc_modes_ok_p (enum machine_mode
, enum arm_auto_incmodes
);
265 extern void arm_emit_eabi_attribute (const char *, int, int);
267 #endif /* ! GCC_ARM_PROTOS_H */