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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.
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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
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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
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21#ifndef GCC_RS6000_PROTOS_H
22#define GCC_RS6000_PROTOS_H
23
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24/* Declare functions in rs6000.c */
25
26#ifdef RTX_CODE
27
28#ifdef TREE_CODE
617718f7
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29extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,
30 tree, enum machine_mode);
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31#endif /* TREE_CODE */
32
66180ff3 33extern bool easy_altivec_constant (rtx, enum machine_mode);
847535b6 34extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
48d72335
DE
35extern bool macho_lo_sum_memory_operand (rtx, enum machine_mode);
36extern int num_insns_constant (rtx, enum machine_mode);
37extern int num_insns_constant_wide (HOST_WIDE_INT);
38extern int small_data_operand (rtx, enum machine_mode);
d32d6b75 39extern bool mem_operand_gpr (rtx, enum machine_mode);
8afc3636 40extern bool toc_relative_expr_p (const_rtx, bool);
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41extern bool invalid_e500_subreg (rtx, enum machine_mode);
42extern void validate_condition_mode (enum rtx_code, enum machine_mode);
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43extern bool legitimate_constant_pool_address_p (const_rtx, enum machine_mode,
44 bool);
48d72335 45extern bool legitimate_indirect_address_p (rtx, int);
6fb5fa3c 46extern bool legitimate_indexed_address_p (rtx, int);
001b9eb6 47extern bool avoiding_indexed_address_p (enum machine_mode);
48d72335 48
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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 *);
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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);
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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]);
4b3a6bcb
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63extern void altivec_expand_lvx_be (rtx, rtx, enum machine_mode, unsigned);
64extern void altivec_expand_stvx_be (rtx, rtx, enum machine_mode, unsigned);
a6eecdc1 65extern void altivec_expand_stvex_be (rtx, rtx, enum machine_mode, unsigned);
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66extern void rs6000_expand_extract_even (rtx, rtx, rtx);
67extern void rs6000_expand_interleave (rtx, rtx, rtx, bool);
a2369ed3 68extern void build_mask64_2_operands (rtx, rtx *);
fba73eb1 69extern int expand_block_clear (rtx[]);
a2369ed3 70extern int expand_block_move (rtx[]);
a2369ed3 71extern const char * rs6000_output_load_multiple (rtx[]);
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72extern int includes_lshift_p (rtx, rtx);
73extern int includes_rshift_p (rtx, rtx);
74extern int includes_rldic_lshift_p (rtx, rtx);
75extern int includes_rldicr_lshift_p (rtx, rtx);
11ac38b2 76extern int insvdi_rshift_rlwimi_p (rtx, rtx, rtx);
a2369ed3 77extern int registers_ok_for_quad_peep (rtx, rtx);
90f81f99 78extern int mems_ok_for_quad_peep (rtx, rtx);
3a1f863f 79extern bool gpr_or_gpr_p (rtx, rtx);
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80extern bool direct_move_p (rtx, rtx);
81extern bool quad_load_store_p (rtx, rtx);
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82extern bool fusion_gpr_load_p (rtx *, bool);
83extern void expand_fusion_gpr_load (rtx *);
84extern const char *emit_fusion_gpr_load (rtx *);
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85extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx,
86 enum reg_class);
87extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
88 enum machine_mode,
89 rtx);
90extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class,
91 enum reg_class,
92 enum machine_mode);
93extern bool (*rs6000_cannot_change_mode_class_ptr) (enum machine_mode,
94 enum machine_mode,
95 enum reg_class);
96extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool);
d32d6b75 97extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool);
e2e95f45
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98extern int paired_emit_vector_cond_expr (rtx, rtx, rtx,
99 rtx, rtx, rtx);
100extern void paired_expand_vector_move (rtx operands[]);
101
102
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103extern int ccr_bit (rtx, int);
104extern int extract_MB (rtx);
105extern int extract_ME (rtx);
85b776df 106extern void rs6000_output_function_entry (FILE *, const char *);
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107extern void print_operand (FILE *, rtx, int);
108extern void print_operand_address (FILE *, rtx);
109extern enum rtx_code rs6000_reverse_condition (enum machine_mode,
3a1f863f 110 enum rtx_code);
b17f98b1 111extern void rs6000_emit_sISEL (enum machine_mode, rtx[]);
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112extern void rs6000_emit_sCOND (enum machine_mode, rtx[]);
113extern void rs6000_emit_cbranch (enum machine_mode, rtx[]);
a2369ed3 114extern char * output_cbranch (rtx, const char *, int, rtx);
64022b5d 115extern char * output_e500_flip_gt_bit (rtx, rtx);
39acb18f 116extern const char * output_probe_stack_range (rtx, rtx);
bfe51f42 117extern bool rs6000_emit_set_const (rtx, rtx);
a2369ed3 118extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
21213b4c 119extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);
a2369ed3 120extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
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121extern void rs6000_expand_atomic_compare_and_swap (rtx op[]);
122extern void rs6000_expand_atomic_exchange (rtx op[]);
123extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
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124extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool);
125extern void rs6000_emit_swrsqrt (rtx, rtx);
a2369ed3 126extern void output_toc (FILE *, rtx, int, enum machine_mode);
9390387d 127extern rtx rs6000_longcall_ref (rtx);
a2369ed3 128extern void rs6000_fatal_bad_address (rtx);
070b27da 129extern rtx create_TOC_reference (rtx, rtx);
a9baceb1 130extern void rs6000_split_multireg_move (rtx, rtx);
0cf68694 131extern void rs6000_emit_le_vsx_move (rtx, rtx, enum machine_mode);
a2369ed3 132extern void rs6000_emit_move (rtx, rtx, enum machine_mode);
e41b2a33 133extern rtx rs6000_secondary_memory_needed_rtx (enum machine_mode);
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134extern enum machine_mode rs6000_secondary_memory_needed_mode (enum
135 machine_mode);
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136extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, enum machine_mode,
137 int, int, int, int *);
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138extern bool rs6000_legitimate_offset_address_p (enum machine_mode, rtx,
139 bool, bool);
944258eb 140extern rtx rs6000_find_base_term (rtx);
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141extern rtx rs6000_return_addr (int, rtx);
142extern void rs6000_output_symbol_ref (FILE*, rtx);
d1d0c603 143extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
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144extern void rs6000_emit_popcount (rtx, rtx);
145extern void rs6000_emit_parity (rtx, rtx);
a2369ed3 146
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147extern rtx rs6000_machopic_legitimize_pic_address (rtx, enum machine_mode,
148 rtx);
7042fe5e 149extern rtx rs6000_address_for_fpconvert (rtx);
c9485473 150extern rtx rs6000_address_for_altivec (rtx);
7042fe5e 151extern rtx rs6000_allocate_stack_temp (enum machine_mode, bool, bool);
58082ff6 152extern int rs6000_loop_align (rtx);
dd7a40e1 153extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool, rtx);
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154#endif /* RTX_CODE */
155
156#ifdef TREE_CODE
69eff9da 157extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align);
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158extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
159 unsigned int);
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160extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
161 unsigned int);
4b29c5e5 162extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *);
ded9bf77 163extern rtx rs6000_libcall_value (enum machine_mode);
9390387d 164extern rtx rs6000_va_arg (tree, tree);
a2369ed3 165extern int function_ok_for_sibcall (tree);
b54214fe 166extern int rs6000_reg_parm_stack_space (tree);
a2369ed3 167extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
3101faab 168extern bool rs6000_elf_in_small_data_p (const_tree);
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169#ifdef ARGS_SIZE_RTX
170/* expr.h defines ARGS_SIZE_RTX and `enum direction' */
586de218 171extern enum direction function_arg_padding (enum machine_mode, const_tree);
9ebbca7d 172#endif /* ARGS_SIZE_RTX */
ee890fe2 173
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174#endif /* TREE_CODE */
175
a2369ed3 176extern int direct_return (void);
a2369ed3
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177extern int first_reg_to_save (void);
178extern int first_fp_reg_to_save (void);
a2369ed3
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179extern void output_ascii (FILE *, const char *, int);
180extern void rs6000_gen_section_name (char **, const char *, const char *);
181extern void output_function_profiler (FILE *, int);
182extern void output_profile_hook (int);
183extern int rs6000_trampoline_size (void);
4862826d 184extern alias_set_type get_TOC_alias_set (void);
a2369ed3
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185extern void rs6000_emit_prologue (void);
186extern void rs6000_emit_load_toc_table (int);
93c9d1ba 187extern unsigned int rs6000_dbx_register_number (unsigned int);
a2369ed3 188extern void rs6000_emit_epilogue (int);
d1d0c603 189extern void rs6000_emit_eh_reg_restore (rtx, rtx);
a2369ed3 190extern const char * output_isel (rtx *);
f90f960c
UW
191extern void rs6000_call_aix (rtx, rtx, rtx, rtx);
192extern void rs6000_sibcall_aix (rtx, rtx, rtx, rtx);
7e49a4b3 193extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
be26142a 194extern void get_ppc476_thunk_name (char name[32]);
7fa14a01 195extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins);
b85aed95 196extern HOST_WIDE_INT rs6000_builtin_mask_calculate (void);
7e49a4b3 197
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198/* Declare functions in rs6000-c.c */
199
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200extern void rs6000_pragma_longcall (struct cpp_reader *);
201extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
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202#ifdef TREE_CODE
203extern bool rs6000_pragma_target_parse (tree, tree);
204#endif
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205extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT, HOST_WIDE_INT);
206extern void (*rs6000_target_modify_macros_ptr) (bool, HOST_WIDE_INT,
207 HOST_WIDE_INT);
a5c76ee6 208
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209#if TARGET_MACHO
210char *output_call (rtx, rtx *, int, int);
211#endif
212
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213#ifdef NO_DOLLAR_IN_LABEL
214const char * rs6000_xcoff_strip_dollar (const char *);
215#endif
216
c921bad8
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217void rs6000_final_prescan_insn (rtx, rtx *operand, int num_operands);
218
0d1fbc8c 219extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER];
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220extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES];
221extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER];
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222
223extern bool rs6000_linux_float_exceptions_rounding_supported_p (void);
a5c76ee6 224#endif /* rs6000-protos.h */