1 /* Prototypes of target machine for GNU compiler. MIPS version.
2 Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
3 1999, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
4 Contributed by A. Lichnewsky (lich@inria.inria.fr).
5 Changed by Michael Meissner (meissner@osf.org).
6 64-bit r4000 support by Ian Lance Taylor (ian@cygnus.com) and
7 Brendan Eich (brendan@microunity.com).
9 This file is part of GCC.
11 GCC is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2, or (at your option)
16 GCC is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with GCC; see the file COPYING. If not, write to
23 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
24 Boston, MA 02110-1301, USA. */
26 #ifndef GCC_MIPS_PROTOS_H
27 #define GCC_MIPS_PROTOS_H
29 /* Classifies a SYMBOL_REF, LABEL_REF or UNSPEC address.
32 Used when none of the below apply.
35 The symbol refers to something in a small data section.
38 The symbol refers to something in the mips16 constant pool.
41 The symbol's value will be calculated by loading an address
42 from the GOT and then applying a 16-bit offset.
45 The symbol's value will be loaded directly from the GOT.
48 An UNSPEC wrapper around a SYMBOL_GOT_PAGE_OFST. It represents the
49 offset from _gp of the GOT entry.
52 An UNSPEC wrapper around a SYMBOL_GOT_DISP. It represents the
53 the offset from _gp of the symbol's GOT entry.
56 Like SYMBOL_GOTOFF_DISP, but used when calling a global function.
57 The GOT entry is allowed to point to a stub rather than to the
61 An UNSPEC wrapper around a function's address. It represents the
62 offset of _gp from the start of the function.
65 A thread-local symbol.
72 UNSPEC wrappers around SYMBOL_TLS, corresponding to the
73 thread-local storage relocation operators.
76 For a 64-bit symbolic address X, this is the value of
77 (%highest(X) << 16) + %higher(X).
80 For a 64-bit symbolic address X, this is the value of
81 (%higher(X) << 16) + %hi(X).
84 For a 64-bit symbolic address X, this is the value of
85 (%hi(X) << 16) + %lo(X). */
86 enum mips_symbol_type
{
106 #define NUM_SYMBOL_TYPES (SYMBOL_64_LOW + 1)
108 /* Identifiers a style of $gp initialization sequence.
111 No initialization sequence is needed.
114 The o32 and o64 PIC sequence (the kind traditionally generated
118 The n32 and n64 PIC sequence (the kind traditionally generated
122 The GNU absolute sequence, as generated by loadgp_noshared. */
123 enum mips_loadgp_style
{
130 extern bool mips_symbolic_constant_p (rtx
, enum mips_symbol_type
*);
131 extern int mips_regno_mode_ok_for_base_p (int, enum machine_mode
, int);
132 extern bool mips_stack_address_p (rtx
, enum machine_mode
);
133 extern int mips_address_insns (rtx
, enum machine_mode
);
134 extern int mips_const_insns (rtx
);
135 extern int mips_fetch_insns (rtx
);
136 extern int mips_idiv_insns (void);
137 extern int fp_register_operand (rtx
, enum machine_mode
);
138 extern int lo_operand (rtx
, enum machine_mode
);
139 extern bool mips_legitimate_address_p (enum machine_mode
, rtx
, int);
140 extern rtx
mips_split_symbol (rtx
, rtx
);
141 extern rtx
mips_unspec_address (rtx
, enum mips_symbol_type
);
142 extern bool mips_legitimize_address (rtx
*, enum machine_mode
);
143 extern void mips_move_integer (rtx
, rtx
, unsigned HOST_WIDE_INT
);
144 extern bool mips_legitimize_move (enum machine_mode
, rtx
, rtx
);
146 extern int m16_uimm3_b (rtx
, enum machine_mode
);
147 extern int m16_simm4_1 (rtx
, enum machine_mode
);
148 extern int m16_nsimm4_1 (rtx
, enum machine_mode
);
149 extern int m16_simm5_1 (rtx
, enum machine_mode
);
150 extern int m16_nsimm5_1 (rtx
, enum machine_mode
);
151 extern int m16_uimm5_4 (rtx
, enum machine_mode
);
152 extern int m16_nuimm5_4 (rtx
, enum machine_mode
);
153 extern int m16_simm8_1 (rtx
, enum machine_mode
);
154 extern int m16_nsimm8_1 (rtx
, enum machine_mode
);
155 extern int m16_uimm8_1 (rtx
, enum machine_mode
);
156 extern int m16_nuimm8_1 (rtx
, enum machine_mode
);
157 extern int m16_uimm8_m1_1 (rtx
, enum machine_mode
);
158 extern int m16_uimm8_4 (rtx
, enum machine_mode
);
159 extern int m16_nuimm8_4 (rtx
, enum machine_mode
);
160 extern int m16_simm8_8 (rtx
, enum machine_mode
);
161 extern int m16_nsimm8_8 (rtx
, enum machine_mode
);
163 extern rtx
mips_subword (rtx
, int);
164 extern bool mips_split_64bit_move_p (rtx
, rtx
);
165 extern void mips_split_64bit_move (rtx
, rtx
);
166 extern const char *mips_output_move (rtx
, rtx
);
167 extern void mips_restore_gp (void);
169 extern bool mips_emit_scc (enum rtx_code
, rtx
);
170 extern void gen_conditional_branch (rtx
*, enum rtx_code
);
171 extern void mips_expand_vcondv2sf (rtx
, rtx
, rtx
, enum rtx_code
, rtx
, rtx
);
173 extern void gen_conditional_move (rtx
*);
174 extern void mips_gen_conditional_trap (rtx
*);
175 extern void mips_expand_call (rtx
, rtx
, rtx
, rtx
, int);
176 extern void mips_emit_fcc_reload (rtx
, rtx
, rtx
);
177 extern void mips_set_return_address (rtx
, rtx
);
178 extern bool mips_expand_block_move (rtx
, rtx
, rtx
);
180 extern void init_cumulative_args (CUMULATIVE_ARGS
*, tree
, rtx
);
181 extern void function_arg_advance (CUMULATIVE_ARGS
*, enum machine_mode
,
183 extern struct rtx_def
*function_arg (const CUMULATIVE_ARGS
*,
184 enum machine_mode
, tree
, int);
185 extern int function_arg_boundary (enum machine_mode
, tree
);
186 extern bool mips_pad_arg_upward (enum machine_mode
, tree
);
187 extern bool mips_pad_reg_upward (enum machine_mode
, tree
);
188 extern void mips_va_start (tree
, rtx
);
190 extern bool mips_expand_unaligned_load (rtx
, rtx
, unsigned int, int);
191 extern bool mips_expand_unaligned_store (rtx
, rtx
, unsigned int, int);
192 extern bool mips_mem_fits_mode_p (enum machine_mode mode
, rtx x
);
193 extern void override_options (void);
194 extern void mips_conditional_register_usage (void);
195 extern void mips_order_regs_for_local_alloc (void);
196 extern HOST_WIDE_INT
mips_debugger_offset (rtx
, HOST_WIDE_INT
);
198 extern void print_operand (FILE *, rtx
, int);
199 extern void print_operand_address (FILE *, rtx
);
200 extern void mips_output_external (FILE *, tree
, const char *);
201 extern void mips_output_filename (FILE *, const char *);
202 extern void mips_output_ascii (FILE *, const char *, size_t, const char *);
203 extern void mips_output_aligned_bss (FILE *, tree
, const char *,
204 unsigned HOST_WIDE_INT
, int);
205 extern void mips_output_aligned_decl_common (FILE *, tree
, const char *,
206 unsigned HOST_WIDE_INT
,
208 extern void mips_declare_common_object (FILE *, const char *,
209 const char *, unsigned HOST_WIDE_INT
,
211 extern void mips_declare_object (FILE *, const char *, const char *,
212 const char *, ...) ATTRIBUTE_PRINTF_4
;
213 extern void mips_declare_object_name (FILE *, const char *, tree
);
214 extern void mips_finish_declare_object (FILE *, tree
, int, int);
216 extern bool mips_small_data_pattern_p (rtx
);
217 extern rtx
mips_rewrite_small_data (rtx
);
218 extern HOST_WIDE_INT
compute_frame_size (HOST_WIDE_INT
);
219 extern HOST_WIDE_INT
mips_initial_elimination_offset (int, int);
220 extern rtx
mips_return_addr (int, rtx
);
221 extern enum mips_loadgp_style
mips_current_loadgp_style (void);
222 extern void mips_expand_prologue (void);
223 extern void mips_expand_epilogue (int);
224 extern int mips_can_use_return_insn (void);
225 extern struct rtx_def
*mips_function_value (tree
, tree
, enum machine_mode
);
227 extern bool mips_cannot_change_mode_class (enum machine_mode
,
228 enum machine_mode
, enum reg_class
);
229 extern bool mips_dangerous_for_la25_p (rtx
);
230 extern enum reg_class
mips_preferred_reload_class (rtx
, enum reg_class
);
231 extern enum reg_class
mips_secondary_reload_class (enum reg_class
,
234 extern int mips_class_max_nregs (enum reg_class
, enum machine_mode
);
235 extern int build_mips16_call_stub (rtx
, rtx
, rtx
, int);
236 extern int mips_register_move_cost (enum machine_mode
, enum reg_class
,
239 extern int mips_adjust_insn_length (rtx
, int);
240 extern const char *mips_output_load_label (void);
241 extern const char *mips_output_conditional_branch (rtx
, rtx
*, const char *,
243 extern const char *mips_output_order_conditional_branch (rtx
, rtx
*, bool);
244 extern const char *mips_output_division (const char *, rtx
*);
245 extern unsigned int mips_hard_regno_nregs (int, enum machine_mode
);
246 extern bool mips_linked_madd_p (rtx
, rtx
);
247 extern int mips_store_data_bypass_p (rtx
, rtx
);
248 extern rtx
mips_prefetch_cookie (rtx
, rtx
);
250 extern void irix_asm_output_align (FILE *, unsigned);
251 extern const char *current_section_name (void);
252 extern unsigned int current_section_flags (void);
253 extern bool mips_use_ins_ext_p (rtx
, rtx
, rtx
);
255 #endif /* ! GCC_MIPS_PROTOS_H */