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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.
23a5b65a 2 Copyright (C) 2000-2014 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);
847535b6 34extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
ef4bddc2
RS		 35extern bool macho_lo_sum_memory_operand (rtx, machine_mode);
36extern int num_insns_constant (rtx, machine_mode);
48d72335 37extern int num_insns_constant_wide (HOST_WIDE_INT);
ef4bddc2
RS		 38extern int small_data_operand (rtx, machine_mode);
39extern bool mem_operand_gpr (rtx, machine_mode);
8afc3636 40extern bool toc_relative_expr_p (const_rtx, bool);
ef4bddc2
RS		 41extern bool invalid_e500_subreg (rtx, machine_mode);
42extern void validate_condition_mode (enum rtx_code, machine_mode);
43extern bool legitimate_constant_pool_address_p (const_rtx, machine_mode,
77b0791e 44 bool);
48d72335 45extern bool legitimate_indirect_address_p (rtx, int);
6fb5fa3c 46extern bool legitimate_indexed_address_p (rtx, int);
ef4bddc2 47extern bool avoiding_indexed_address_p (machine_mode);
48d72335 48
9390387d
AM		 49extern rtx rs6000_got_register (rtx);
50extern rtx find_addr_reg (rtx);
66180ff3 51extern rtx gen_easy_altivec_constant (rtx);
a2369ed3 52extern const char *output_vec_const_move (rtx *);
19be72ab 53extern const char *rs6000_output_move_128bit (rtx *);
a16a872d
MM		 54extern bool rs6000_move_128bit_ok_p (rtx []);
55extern bool rs6000_split_128bit_ok_p (rtx []);
7a4eca66 56extern void rs6000_expand_vector_init (rtx, rtx);
f5027409 57extern void paired_expand_vector_init (rtx, rtx);
7a4eca66
DE		 58extern void rs6000_expand_vector_set (rtx, rtx, int);
59extern void rs6000_expand_vector_extract (rtx, rtx, int);
5aebfdad 60extern bool altivec_expand_vec_perm_const (rtx op[4]);
f200869a 61extern void altivec_expand_vec_perm_le (rtx op[4]);
5aebfdad 62extern bool rs6000_expand_vec_perm_const (rtx op[4]);
ef4bddc2
RS		 63extern void altivec_expand_lvx_be (rtx, rtx, machine_mode, unsigned);
64extern void altivec_expand_stvx_be (rtx, rtx, machine_mode, unsigned);
65extern void altivec_expand_stvex_be (rtx, rtx, machine_mode, unsigned);
5aebfdad
RH		 66extern void rs6000_expand_extract_even (rtx, rtx, rtx);
67extern void rs6000_expand_interleave (rtx, rtx, rtx, bool);
70f0f8b2 68extern void rs6000_scale_v2df (rtx, rtx, int);
a2369ed3 69extern void build_mask64_2_operands (rtx, rtx *);
fba73eb1 70extern int expand_block_clear (rtx[]);
a2369ed3 71extern int expand_block_move (rtx[]);
a2369ed3 72extern const char * rs6000_output_load_multiple (rtx[]);
a2369ed3
DJ		 73extern int includes_lshift_p (rtx, rtx);
74extern int includes_rshift_p (rtx, rtx);
75extern int includes_rldic_lshift_p (rtx, rtx);
76extern int includes_rldicr_lshift_p (rtx, rtx);
11ac38b2 77extern int insvdi_rshift_rlwimi_p (rtx, rtx, rtx);
a2369ed3 78extern int registers_ok_for_quad_peep (rtx, rtx);
90f81f99 79extern int mems_ok_for_quad_peep (rtx, rtx);
3a1f863f 80extern bool gpr_or_gpr_p (rtx, rtx);
19be72ab
MM		 81extern bool direct_move_p (rtx, rtx);
82extern bool quad_load_store_p (rtx, rtx);
3f99b061 83extern bool fusion_gpr_load_p (rtx, rtx, rtx, rtx);
f758f299 84extern void expand_fusion_gpr_load (rtx *);
3f99b061 85extern const char *emit_fusion_gpr_load (rtx, rtx);
8beb65e3
MM		 86extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx,
87 enum reg_class);
88extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
ef4bddc2 89 machine_mode,
8beb65e3
MM		 90 rtx);
91extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class,
92 enum reg_class,
ef4bddc2
RS		 93 machine_mode);
94extern bool (*rs6000_cannot_change_mode_class_ptr) (machine_mode,
95 machine_mode,
8beb65e3
MM		 96 enum reg_class);
97extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool);
d32d6b75 98extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool);
e2e95f45
RE		 99extern int paired_emit_vector_cond_expr (rtx, rtx, rtx,
100 rtx, rtx, rtx);
101extern void paired_expand_vector_move (rtx operands[]);
102
103
a2369ed3
DJ		 104extern int ccr_bit (rtx, int);
105extern int extract_MB (rtx);
106extern int extract_ME (rtx);
85b776df 107extern void rs6000_output_function_entry (FILE *, const char *);
a2369ed3
DJ		 108extern void print_operand (FILE *, rtx, int);
109extern void print_operand_address (FILE *, rtx);
ef4bddc2 110extern enum rtx_code rs6000_reverse_condition (machine_mode,
3a1f863f 111 enum rtx_code);
ef4bddc2
RS		 112extern void rs6000_emit_sISEL (machine_mode, rtx[]);
113extern void rs6000_emit_sCOND (machine_mode, rtx[]);
114extern void rs6000_emit_cbranch (machine_mode, rtx[]);
e64e631b 115extern char * output_cbranch (rtx, const char *, int, rtx_insn *);
64022b5d 116extern char * output_e500_flip_gt_bit (rtx, rtx);
39acb18f 117extern const char * output_probe_stack_range (rtx, rtx);
bfe51f42 118extern bool rs6000_emit_set_const (rtx, rtx);
a2369ed3 119extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
21213b4c 120extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);
a2369ed3 121extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
2747a046
RH		 122extern void rs6000_expand_atomic_compare_and_swap (rtx op[]);
123extern void rs6000_expand_atomic_exchange (rtx op[]);
124extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
92902797
MM		 125extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool);
126extern void rs6000_emit_swrsqrt (rtx, rtx);
ef4bddc2 127extern void output_toc (FILE *, rtx, int, machine_mode);
9390387d 128extern rtx rs6000_longcall_ref (rtx);
a2369ed3 129extern void rs6000_fatal_bad_address (rtx);
070b27da 130extern rtx create_TOC_reference (rtx, rtx);
a9baceb1 131extern void rs6000_split_multireg_move (rtx, rtx);
ef4bddc2
RS		 132extern void rs6000_emit_le_vsx_move (rtx, rtx, machine_mode);
133extern void rs6000_emit_move (rtx, rtx, machine_mode);
134extern rtx rs6000_secondary_memory_needed_rtx (machine_mode);
135extern machine_mode rs6000_secondary_memory_needed_mode (enum
01b1efaa 136 machine_mode);
ef4bddc2 137extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, machine_mode,
8beb65e3 138 int, int, int, int *);
ef4bddc2 139extern bool rs6000_legitimate_offset_address_p (machine_mode, rtx,
d32d6b75 140 bool, bool);
944258eb 141extern rtx rs6000_find_base_term (rtx);
a2369ed3
DJ		 142extern rtx rs6000_return_addr (int, rtx);
143extern void rs6000_output_symbol_ref (FILE*, rtx);
d1d0c603 144extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
565ef4ba
RS		 145extern void rs6000_emit_popcount (rtx, rtx);
146extern void rs6000_emit_parity (rtx, rtx);
a2369ed3 147
ef4bddc2 148extern rtx rs6000_machopic_legitimize_pic_address (rtx, machine_mode,
fa5b0972 149 rtx);
7042fe5e 150extern rtx rs6000_address_for_fpconvert (rtx);
c9485473 151extern rtx rs6000_address_for_altivec (rtx);
ef4bddc2 152extern rtx rs6000_allocate_stack_temp (machine_mode, bool, bool);
58082ff6 153extern int rs6000_loop_align (rtx);
44c3a8bb 154extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool);
9ebbca7d
GK		 155#endif /* RTX_CODE */
156
157#ifdef TREE_CODE
69eff9da 158extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align);
98326512 159extern bool rs6000_special_adjust_field_align_p (tree, unsigned int);
fa5b0972
AM		 160extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
161 unsigned int);
58182de3
GK		 162extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
163 unsigned int);
4b29c5e5 164extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *);
ef4bddc2 165extern rtx rs6000_libcall_value (machine_mode);
9390387d 166extern rtx rs6000_va_arg (tree, tree);
a2369ed3 167extern int function_ok_for_sibcall (tree);
ddbb449f 168extern int rs6000_reg_parm_stack_space (tree, bool);
b36e833f 169extern void rs6000_xcoff_declare_function_name (FILE *, const char *, tree);
9af46873 170extern void rs6000_xcoff_declare_object_name (FILE *, const char *, tree);
a2369ed3 171extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
3101faab 172extern bool rs6000_elf_in_small_data_p (const_tree);
9ebbca7d
GK		 173#ifdef ARGS_SIZE_RTX
174/* expr.h defines ARGS_SIZE_RTX and `enum direction' */
ef4bddc2 175extern enum direction function_arg_padding (machine_mode, const_tree);
9ebbca7d 176#endif /* ARGS_SIZE_RTX */
ee890fe2 177
9ebbca7d
GK		 178#endif /* TREE_CODE */
179
a2369ed3 180extern int direct_return (void);
a2369ed3
DJ		 181extern int first_reg_to_save (void);
182extern int first_fp_reg_to_save (void);
a2369ed3
DJ		 183extern void output_ascii (FILE *, const char *, int);
184extern void rs6000_gen_section_name (char **, const char *, const char *);
185extern void output_function_profiler (FILE *, int);
186extern void output_profile_hook (int);
187extern int rs6000_trampoline_size (void);
4862826d 188extern alias_set_type get_TOC_alias_set (void);
a2369ed3
DJ		 189extern void rs6000_emit_prologue (void);
190extern void rs6000_emit_load_toc_table (int);
3d36d470 191extern unsigned int rs6000_dbx_register_number (unsigned int, unsigned int);
a2369ed3 192extern void rs6000_emit_epilogue (int);
d1d0c603 193extern void rs6000_emit_eh_reg_restore (rtx, rtx);
a2369ed3 194extern const char * output_isel (rtx *);
f90f960c
UW		 195extern void rs6000_call_aix (rtx, rtx, rtx, rtx);
196extern void rs6000_sibcall_aix (rtx, rtx, rtx, rtx);
7e49a4b3 197extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
be26142a 198extern void get_ppc476_thunk_name (char name[32]);
7fa14a01 199extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins);
b85aed95 200extern HOST_WIDE_INT rs6000_builtin_mask_calculate (void);
7e49a4b3 201
4c4eb375
GK		 202/* Declare functions in rs6000-c.c */
203
a2369ed3
DJ		 204extern void rs6000_pragma_longcall (struct cpp_reader *);
205extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
fd438373
MM		 206#ifdef TREE_CODE
207extern bool rs6000_pragma_target_parse (tree, tree);
208#endif
b85aed95
MM		 209extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT, HOST_WIDE_INT);
210extern void (*rs6000_target_modify_macros_ptr) (bool, HOST_WIDE_INT,
211 HOST_WIDE_INT);
a5c76ee6 212
efdba735 213#if TARGET_MACHO
a1950df3 214char *output_call (rtx_insn *, rtx *, int, int);
efdba735
SH		 215#endif
216
ee06c6a5
DE		 217#ifdef NO_DOLLAR_IN_LABEL
218const char * rs6000_xcoff_strip_dollar (const char *);
219#endif
220
e64e631b 221void rs6000_final_prescan_insn (rtx_insn *, rtx *operand, int num_operands);
c921bad8 222
0d1fbc8c 223extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER];
cacf1ca8
MM		 224extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES];
225extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER];
9193fb05
JM		 226
227extern bool rs6000_linux_float_exceptions_rounding_supported_p (void);
a5c76ee6 228#endif /* rs6000-protos.h */
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