1 /* Definitions of target machine for GNU compiler, for IBM RS/6000.
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
4 Free Software Foundation, Inc.
5 Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
7 This file is part of GCC.
9 GCC is free software; you can redistribute it and/or modify it
10 under the terms of the GNU General Public License as published
11 by the Free Software Foundation; either version 3, or (at your
12 option) any later version.
14 GCC is distributed in the hope that it will be useful, but WITHOUT
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
17 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_RS6000_PROTOS_H
24 #define GCC_RS6000_PROTOS_H
26 /* Declare functions in rs6000.c */
31 extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,
32 tree, enum machine_mode);
33 #endif /* TREE_CODE */
35 extern bool easy_altivec_constant (rtx, enum machine_mode);
36 extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
37 extern bool macho_lo_sum_memory_operand (rtx, enum machine_mode);
38 extern int num_insns_constant (rtx, enum machine_mode);
39 extern int num_insns_constant_wide (HOST_WIDE_INT);
40 extern int small_data_operand (rtx, enum machine_mode);
41 extern bool toc_relative_expr_p (rtx);
42 extern bool invalid_e500_subreg (rtx, enum machine_mode);
43 extern void validate_condition_mode (enum rtx_code, enum machine_mode);
44 extern bool legitimate_constant_pool_address_p (const_rtx, enum machine_mode,
46 extern bool legitimate_indirect_address_p (rtx, int);
47 extern bool legitimate_indexed_address_p (rtx, int);
48 extern bool avoiding_indexed_address_p (enum machine_mode);
50 extern rtx rs6000_got_register (rtx);
51 extern rtx find_addr_reg (rtx);
52 extern rtx gen_easy_altivec_constant (rtx);
53 extern const char *output_vec_const_move (rtx *);
54 extern void rs6000_expand_vector_init (rtx, rtx);
55 extern void paired_expand_vector_init (rtx, rtx);
56 extern void rs6000_expand_vector_set (rtx, rtx, int);
57 extern void rs6000_expand_vector_extract (rtx, rtx, int);
58 extern bool altivec_expand_vec_perm_const (rtx op[4]);
59 extern bool rs6000_expand_vec_perm_const (rtx op[4]);
60 extern void rs6000_expand_extract_even (rtx, rtx, rtx);
61 extern void rs6000_expand_interleave (rtx, rtx, rtx, bool);
62 extern void build_mask64_2_operands (rtx, rtx *);
63 extern int expand_block_clear (rtx[]);
64 extern int expand_block_move (rtx[]);
65 extern const char * rs6000_output_load_multiple (rtx[]);
66 extern int includes_lshift_p (rtx, rtx);
67 extern int includes_rshift_p (rtx, rtx);
68 extern int includes_rldic_lshift_p (rtx, rtx);
69 extern int includes_rldicr_lshift_p (rtx, rtx);
70 extern int insvdi_rshift_rlwimi_p (rtx, rtx, rtx);
71 extern int registers_ok_for_quad_peep (rtx, rtx);
72 extern int mems_ok_for_quad_peep (rtx, rtx);
73 extern bool gpr_or_gpr_p (rtx, rtx);
74 extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx,
76 extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
79 extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class,
82 extern bool (*rs6000_cannot_change_mode_class_ptr) (enum machine_mode,
85 extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool);
86 extern void rs6000_secondary_reload_ppc64 (rtx, rtx, rtx, bool);
87 extern int paired_emit_vector_cond_expr (rtx, rtx, rtx,
89 extern void paired_expand_vector_move (rtx operands[]);
92 extern int ccr_bit (rtx, int);
93 extern int extract_MB (rtx);
94 extern int extract_ME (rtx);
95 extern void rs6000_output_function_entry (FILE *, const char *);
96 extern void print_operand (FILE *, rtx, int);
97 extern void print_operand_address (FILE *, rtx);
98 extern enum rtx_code rs6000_reverse_condition (enum machine_mode,
100 extern void rs6000_emit_sISEL (enum machine_mode, rtx[]);
101 extern void rs6000_emit_sCOND (enum machine_mode, rtx[]);
102 extern void rs6000_emit_cbranch (enum machine_mode, rtx[]);
103 extern char * output_cbranch (rtx, const char *, int, rtx);
104 extern char * output_e500_flip_gt_bit (rtx, rtx);
105 extern const char * output_probe_stack_range (rtx, rtx);
106 extern rtx rs6000_emit_set_const (rtx, enum machine_mode, rtx, int);
107 extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
108 extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);
109 extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
110 extern void rs6000_expand_atomic_compare_and_swap (rtx op[]);
111 extern void rs6000_expand_atomic_exchange (rtx op[]);
112 extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
113 extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool);
114 extern void rs6000_emit_swrsqrt (rtx, rtx);
115 extern void output_toc (FILE *, rtx, int, enum machine_mode);
116 extern rtx rs6000_longcall_ref (rtx);
117 extern void rs6000_fatal_bad_address (rtx);
118 extern rtx create_TOC_reference (rtx, rtx);
119 extern void rs6000_split_multireg_move (rtx, rtx);
120 extern void rs6000_emit_move (rtx, rtx, enum machine_mode);
121 extern rtx rs6000_secondary_memory_needed_rtx (enum machine_mode);
122 extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, enum machine_mode,
123 int, int, int, int *);
124 extern bool rs6000_legitimate_offset_address_p (enum machine_mode, rtx, int);
125 extern rtx rs6000_find_base_term (rtx);
126 extern bool rs6000_offsettable_memref_p (rtx);
127 extern rtx rs6000_return_addr (int, rtx);
128 extern void rs6000_output_symbol_ref (FILE*, rtx);
129 extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
130 extern void rs6000_emit_popcount (rtx, rtx);
131 extern void rs6000_emit_parity (rtx, rtx);
133 extern rtx rs6000_machopic_legitimize_pic_address (rtx, enum machine_mode,
135 extern rtx rs6000_address_for_fpconvert (rtx);
136 extern rtx rs6000_address_for_altivec (rtx);
137 extern rtx rs6000_allocate_stack_temp (enum machine_mode, bool, bool);
138 extern int rs6000_loop_align (rtx);
139 #endif /* RTX_CODE */
142 extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
144 extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
146 extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *);
147 extern rtx rs6000_libcall_value (enum machine_mode);
148 extern rtx rs6000_va_arg (tree, tree);
149 extern int function_ok_for_sibcall (tree);
150 extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
151 extern bool rs6000_elf_in_small_data_p (const_tree);
153 /* expr.h defines ARGS_SIZE_RTX and `enum direction' */
154 extern enum direction function_arg_padding (enum machine_mode, const_tree);
155 #endif /* ARGS_SIZE_RTX */
157 #endif /* TREE_CODE */
159 extern int direct_return (void);
160 extern int first_reg_to_save (void);
161 extern int first_fp_reg_to_save (void);
162 extern void output_ascii (FILE *, const char *, int);
163 extern void rs6000_gen_section_name (char **, const char *, const char *);
164 extern void output_function_profiler (FILE *, int);
165 extern void output_profile_hook (int);
166 extern int rs6000_trampoline_size (void);
167 extern alias_set_type get_TOC_alias_set (void);
168 extern void rs6000_emit_prologue (void);
169 extern void rs6000_emit_load_toc_table (int);
170 extern unsigned int rs6000_dbx_register_number (unsigned int);
171 extern void rs6000_emit_epilogue (int);
172 extern void rs6000_emit_eh_reg_restore (rtx, rtx);
173 extern const char * output_isel (rtx *);
174 extern void rs6000_call_indirect_aix (rtx, rtx, rtx);
175 extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
176 extern void get_ppc476_thunk_name (char name[32]);
177 extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins);
178 extern unsigned rs6000_builtin_mask_calculate (void);
180 /* Declare functions in rs6000-c.c */
182 extern void rs6000_pragma_longcall (struct cpp_reader *);
183 extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
185 extern bool rs6000_pragma_target_parse (tree, tree);
187 extern void rs6000_target_modify_macros (bool, int, unsigned);
188 extern void (*rs6000_target_modify_macros_ptr) (bool, int, unsigned);
191 char *output_call (rtx, rtx *, int, int);
194 #ifdef NO_DOLLAR_IN_LABEL
195 const char * rs6000_xcoff_strip_dollar (const char *);
198 void rs6000_final_prescan_insn (rtx, rtx *operand, int num_operands);
200 extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER];
201 extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES];
202 extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER];
203 #endif /* rs6000-protos.h */