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[thirdparty/gcc.git] / gcc / config / rs6000 / rs6000-protos.h
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9ebbca7d 1/* Definitions of target machine for GNU compiler, for IBM RS/6000.
a5544970 2 Copyright (C) 2000-2019 Free Software Foundation, Inc.
9ebbca7d
GK		 3 Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
4
5de601cf 5 This file is part of GCC.
9ebbca7d 6
5de601cf
NC		 7 GCC is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published
2f83c7d6 9 by the Free Software Foundation; either version 3, or (at your
5de601cf 10 option) any later version.
9ebbca7d 11
5de601cf
NC		 12 GCC is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 License for more details.
9ebbca7d 16
5de601cf 17 You should have received a copy of the GNU General Public License
2f83c7d6
NC		 18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
9ebbca7d 20
a5c76ee6
ZW		 21#ifndef GCC_RS6000_PROTOS_H
22#define GCC_RS6000_PROTOS_H
23
9ebbca7d
GK		 24/* Declare functions in rs6000.c */
25
26#ifdef RTX_CODE
27
28#ifdef TREE_CODE
617718f7 29extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,
ef4bddc2 30 tree, machine_mode);
9ebbca7d
GK		 31#endif /* TREE_CODE */
32
ef4bddc2 33extern bool easy_altivec_constant (rtx, machine_mode);
50c78b9a 34extern bool xxspltib_constant_p (rtx, machine_mode, int *, int *);
683be46f 35extern int vspltis_shifted (rtx);
847535b6 36extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
ef4bddc2
RS		 37extern bool macho_lo_sum_memory_operand (rtx, machine_mode);
38extern int num_insns_constant (rtx, machine_mode);
ef4bddc2
RS		 39extern int small_data_operand (rtx, machine_mode);
40extern bool mem_operand_gpr (rtx, machine_mode);
ad69178c 41extern bool mem_operand_ds_form (rtx, machine_mode);
f990f3a3 42extern bool toc_relative_expr_p (const_rtx, bool, const_rtx *, const_rtx *);
ef4bddc2
RS		 43extern void validate_condition_mode (enum rtx_code, machine_mode);
44extern bool legitimate_constant_pool_address_p (const_rtx, machine_mode,
77b0791e 45 bool);
48d72335 46extern bool legitimate_indirect_address_p (rtx, int);
6fb5fa3c 47extern bool legitimate_indexed_address_p (rtx, int);
ef4bddc2 48extern bool avoiding_indexed_address_p (machine_mode);
320314db 49extern rtx rs6000_force_indexed_or_indirect_mem (rtx x);
48d72335 50
9390387d
AM		 51extern rtx rs6000_got_register (rtx);
52extern rtx find_addr_reg (rtx);
66180ff3 53extern rtx gen_easy_altivec_constant (rtx);
a2369ed3 54extern const char *output_vec_const_move (rtx *);
19be72ab 55extern const char *rs6000_output_move_128bit (rtx *);
a16a872d
MM		 56extern bool rs6000_move_128bit_ok_p (rtx []);
57extern bool rs6000_split_128bit_ok_p (rtx []);
526303ec 58extern void rs6000_expand_float128_convert (rtx, rtx, bool);
7a4eca66
DE		 59extern void rs6000_expand_vector_init (rtx, rtx);
60extern void rs6000_expand_vector_set (rtx, rtx, int);
98060bbe 61extern void rs6000_expand_vector_extract (rtx, rtx, rtx);
e0d32185 62extern void rs6000_split_vec_extract_var (rtx, rtx, rtx, rtx, rtx);
d0047a25 63extern rtx rs6000_adjust_vec_address (rtx, rtx, rtx, rtx, machine_mode);
f200869a 64extern void altivec_expand_vec_perm_le (rtx op[4]);
5aebfdad
RH		 65extern void rs6000_expand_extract_even (rtx, rtx, rtx);
66extern void rs6000_expand_interleave (rtx, rtx, rtx, bool);
70f0f8b2 67extern void rs6000_scale_v2df (rtx, rtx, int);
be1418c7 68extern void rs6000_generate_float2_code (bool, rtx, rtx, rtx);
19d22f7c 69extern void rs6000_generate_float2_double_code (rtx, rtx, rtx);
e5898daf 70extern void rs6000_generate_vsigned2_code (bool, rtx, rtx, rtx);
fba73eb1 71extern int expand_block_clear (rtx[]);
a2369ed3 72extern int expand_block_move (rtx[]);
9f38dde2 73extern bool expand_block_compare (rtx[]);
0edd264d 74extern bool expand_strn_compare (rtx[], int);
7fc5cca3
SB		 75extern bool rs6000_is_valid_mask (rtx, int *, int *, machine_mode);
76extern bool rs6000_is_valid_and_mask (rtx, machine_mode);
77extern bool rs6000_is_valid_shift_mask (rtx, rtx, machine_mode);
78extern bool rs6000_is_valid_insert_mask (rtx, rtx, machine_mode);
79extern const char *rs6000_insn_for_and_mask (machine_mode, rtx *, bool);
80extern const char *rs6000_insn_for_shift_mask (machine_mode, rtx *, bool);
81extern const char *rs6000_insn_for_insert_mask (machine_mode, rtx *, bool);
82extern bool rs6000_is_valid_2insn_and (rtx, machine_mode);
a34f4f64 83extern void rs6000_emit_2insn_and (machine_mode, rtx *, bool, int);
a2369ed3 84extern int registers_ok_for_quad_peep (rtx, rtx);
90f81f99 85extern int mems_ok_for_quad_peep (rtx, rtx);
3a1f863f 86extern bool gpr_or_gpr_p (rtx, rtx);
19be72ab 87extern bool direct_move_p (rtx, rtx);
3fd2b007 88extern bool quad_address_p (rtx, machine_mode, bool);
19be72ab 89extern bool quad_load_store_p (rtx, rtx);
3f99b061 90extern bool fusion_gpr_load_p (rtx, rtx, rtx, rtx);
f758f299 91extern void expand_fusion_gpr_load (rtx *);
0bcd172e 92extern void emit_fusion_addis (rtx, rtx);
3f99b061 93extern const char *emit_fusion_gpr_load (rtx, rtx);
8beb65e3
MM		 94extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx,
95 enum reg_class);
96extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
ef4bddc2 97 machine_mode,
8beb65e3 98 rtx);
8beb65e3 99extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool);
d32d6b75 100extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool);
e2e95f45
RE		 101
102
a2369ed3 103extern int ccr_bit (rtx, int);
85b776df 104extern void rs6000_output_function_entry (FILE *, const char *);
a2369ed3
DJ		 105extern void print_operand (FILE *, rtx, int);
106extern void print_operand_address (FILE *, rtx);
ece3bca2
AM		 107extern const char *rs6000_call_template (rtx *, unsigned int);
108extern const char *rs6000_sibcall_template (rtx *, unsigned int);
ce83eeda
AM		 109extern const char *rs6000_indirect_call_template (rtx *, unsigned int);
110extern const char *rs6000_indirect_sibcall_template (rtx *, unsigned int);
3f79c0ad 111extern const char *rs6000_pltseq_template (rtx *, int);
ef4bddc2 112extern enum rtx_code rs6000_reverse_condition (machine_mode,
3a1f863f 113 enum rtx_code);
a935964d 114extern rtx rs6000_emit_eqne (machine_mode, rtx, rtx, rtx);
ef4bddc2
RS		 115extern void rs6000_emit_sCOND (machine_mode, rtx[]);
116extern void rs6000_emit_cbranch (machine_mode, rtx[]);
e64e631b 117extern char * output_cbranch (rtx, const char *, int, rtx_insn *);
af2c8a96 118extern const char * output_probe_stack_range (rtx, rtx, rtx);
8845cb37 119extern void rs6000_emit_dot_insn (rtx dst, rtx src, int dot, rtx ccreg);
bfe51f42 120extern bool rs6000_emit_set_const (rtx, rtx);
a2369ed3 121extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
d0481454 122extern int rs6000_emit_int_cmove (rtx, rtx, rtx, rtx);
21213b4c 123extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);
a2369ed3 124extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
2747a046 125extern void rs6000_expand_atomic_compare_and_swap (rtx op[]);
fc504349
CL		 126extern rtx swap_endian_selector_for_mode (machine_mode mode);
127
2747a046
RH		 128extern void rs6000_expand_atomic_exchange (rtx op[]);
129extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
92902797 130extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool);
4f0055bd 131extern void rs6000_emit_swsqrt (rtx, rtx, bool);
ef4bddc2 132extern void output_toc (FILE *, rtx, int, machine_mode);
a2369ed3 133extern void rs6000_fatal_bad_address (rtx);
070b27da 134extern rtx create_TOC_reference (rtx, rtx);
a9baceb1 135extern void rs6000_split_multireg_move (rtx, rtx);
02d3ba0e 136extern void rs6000_emit_le_vsx_permute (rtx, rtx, machine_mode);
ef4bddc2 137extern void rs6000_emit_le_vsx_move (rtx, rtx, machine_mode);
fba4b861 138extern bool valid_sf_si_move (rtx, rtx, machine_mode);
ef4bddc2 139extern void rs6000_emit_move (rtx, rtx, machine_mode);
ef4bddc2 140extern bool rs6000_legitimate_offset_address_p (machine_mode, rtx,
d32d6b75 141 bool, bool);
61ee0966 142extern void rs6000_output_tlsargs (rtx *);
944258eb 143extern rtx rs6000_find_base_term (rtx);
a2369ed3
DJ		 144extern rtx rs6000_return_addr (int, rtx);
145extern void rs6000_output_symbol_ref (FILE*, rtx);
d1d0c603 146extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
565ef4ba
RS		 147extern void rs6000_emit_popcount (rtx, rtx);
148extern void rs6000_emit_parity (rtx, rtx);
a2369ed3 149
ef4bddc2 150extern rtx rs6000_machopic_legitimize_pic_address (rtx, machine_mode,
fa5b0972 151 rtx);
ef4bddc2 152extern rtx rs6000_allocate_stack_temp (machine_mode, bool, bool);
e6de5335 153extern align_flags rs6000_loop_align (rtx);
44c3a8bb 154extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool);
91117603
BS		 155extern bool rs6000_pcrel_p (struct function *);
156extern bool rs6000_fndecl_pcrel_p (const_tree);
3f4ef678 157extern bool rs6000_prefixed_address_mode_p (rtx, machine_mode);
9ebbca7d
GK		 158#endif /* RTX_CODE */
159
160#ifdef TREE_CODE
69eff9da 161extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align);
98326512 162extern bool rs6000_special_adjust_field_align_p (tree, unsigned int);
fa5b0972
AM		 163extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
164 unsigned int);
58182de3
GK		 165extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
166 unsigned int);
4b29c5e5 167extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *);
ef4bddc2 168extern rtx rs6000_libcall_value (machine_mode);
9390387d 169extern rtx rs6000_va_arg (tree, tree);
a2369ed3 170extern int function_ok_for_sibcall (tree);
ddbb449f 171extern int rs6000_reg_parm_stack_space (tree, bool);
8d91472f 172extern void rs6000_asm_weaken_decl (FILE *, tree, const char *, const char *);
b36e833f 173extern void rs6000_xcoff_declare_function_name (FILE *, const char *, tree);
9af46873 174extern void rs6000_xcoff_declare_object_name (FILE *, const char *, tree);
8d91472f
DE		 175extern void rs6000_xcoff_asm_output_aligned_decl_common (FILE *, tree,
176 const char *,
177 unsigned HOST_WIDE_INT,
178 unsigned HOST_WIDE_INT);
a2369ed3 179extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
3101faab 180extern bool rs6000_elf_in_small_data_p (const_tree);
ee890fe2 181
9ebbca7d
GK		 182#endif /* TREE_CODE */
183
a2369ed3 184extern int direct_return (void);
a2369ed3
DJ		 185extern int first_reg_to_save (void);
186extern int first_fp_reg_to_save (void);
a2369ed3
DJ		 187extern void output_ascii (FILE *, const char *, int);
188extern void rs6000_gen_section_name (char **, const char *, const char *);
189extern void output_function_profiler (FILE *, int);
190extern void output_profile_hook (int);
191extern int rs6000_trampoline_size (void);
4862826d 192extern alias_set_type get_TOC_alias_set (void);
a2369ed3
DJ		 193extern void rs6000_emit_prologue (void);
194extern void rs6000_emit_load_toc_table (int);
3d36d470 195extern unsigned int rs6000_dbx_register_number (unsigned int, unsigned int);
a3d59ce9 196extern void rs6000_emit_epilogue (enum epilogue_type);
0f0fd745
AM		 197extern void rs6000_expand_split_stack_prologue (void);
198extern void rs6000_split_stack_space_check (rtx, rtx);
d1d0c603 199extern void rs6000_emit_eh_reg_restore (rtx, rtx);
f90f960c
UW		 200extern void rs6000_call_aix (rtx, rtx, rtx, rtx);
201extern void rs6000_sibcall_aix (rtx, rtx, rtx, rtx);
ece3bca2 202extern void rs6000_call_sysv (rtx, rtx, rtx, rtx);
3f79c0ad 203extern void rs6000_sibcall_sysv (rtx, rtx, rtx, rtx);
aa3a2eca
IS		 204extern void rs6000_call_darwin (rtx, rtx, rtx, rtx);
205extern void rs6000_sibcall_darwin (rtx, rtx, rtx, rtx);
7e49a4b3 206extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
be26142a 207extern void get_ppc476_thunk_name (char name[32]);
7fa14a01 208extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins);
48784b00 209extern bool rs6000_builtin_is_supported_p (enum rs6000_builtins);
e9e6d4f6 210extern const char *rs6000_overloaded_builtin_name (enum rs6000_builtins);
6ba86ba7 211extern int rs6000_store_data_bypass_p (rtx_insn *, rtx_insn *);
b85aed95 212extern HOST_WIDE_INT rs6000_builtin_mask_calculate (void);
e707a2dd
AD		 213extern void rs6000_asm_output_dwarf_pcrel (FILE *file, int size,
214 const char *label);
215extern void rs6000_asm_output_dwarf_datarel (FILE *file, int size,
216 const char *label);
7e49a4b3 217
4c4eb375
GK		 218/* Declare functions in rs6000-c.c */
219
a2369ed3
DJ		 220extern void rs6000_pragma_longcall (struct cpp_reader *);
221extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
fd438373
MM		 222#ifdef TREE_CODE
223extern bool rs6000_pragma_target_parse (tree, tree);
224#endif
20a7e14a 225extern void rs6000_activate_target_options (tree new_tree);
b85aed95
MM		 226extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT, HOST_WIDE_INT);
227extern void (*rs6000_target_modify_macros_ptr) (bool, HOST_WIDE_INT,
228 HOST_WIDE_INT);
a5c76ee6 229
b4c522fa
IB		 230/* Declare functions in rs6000-d.c */
231extern void rs6000_d_target_versions (void);
232
ee06c6a5
DE		 233#ifdef NO_DOLLAR_IN_LABEL
234const char * rs6000_xcoff_strip_dollar (const char *);
235#endif
236
e64e631b 237void rs6000_final_prescan_insn (rtx_insn *, rtx *operand, int num_operands);
c921bad8 238
cacf1ca8
MM		 239extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES];
240extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER];
9193fb05
JM		 241
242extern bool rs6000_linux_float_exceptions_rounding_supported_p (void);
5715e980
BS		 243
244/* Pass management. */
245namespace gcc { class context; }
246class rtl_opt_pass;
247
248extern rtl_opt_pass *make_pass_analyze_swaps (gcc::context *);
a3a821c9
KN		 249extern bool rs6000_sum_of_two_registers_p (const_rtx expr);
250extern bool rs6000_quadword_masked_address_p (const_rtx exp);
251extern rtx rs6000_gen_lvx (enum machine_mode, rtx, rtx);
252extern rtx rs6000_gen_stvx (enum machine_mode, rtx, rtx);
5715e980 253
a5c76ee6 254#endif /* rs6000-protos.h */
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