rs6000-protos.h revision 146895 
1/* Definitions of target machine for GNU compiler, for IBM RS/6000.
2   Copyright (C) 2000, 2001, 2002, 2003, 2004
3   Free Software Foundation, Inc.
4   Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
5
6   This file is part of GCC.
7
8   GCC is free software; you can redistribute it and/or modify it
9   under the terms of the GNU General Public License as published
10   by the Free Software Foundation; either version 2, or (at your
11   option) any later version.
12
13   GCC is distributed in the hope that it will be useful, but WITHOUT
14   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
16   License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with GCC; see the file COPYING.  If not, write to the
20   Free Software Foundation, 59 Temple Place - Suite 330, Boston,
21   MA 02111-1307, USA.  */
22
23#ifndef GCC_RS6000_PROTOS_H
24#define GCC_RS6000_PROTOS_H
25
26/* Declare functions in rs6000.c */
27
28#ifdef RTX_CODE
29
30#ifdef TREE_CODE
31extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int);
32extern void rs6000_va_start (tree, rtx);
33#endif /* TREE_CODE */
34
35extern struct rtx_def *rs6000_got_register (rtx);
36extern struct rtx_def *find_addr_reg (rtx);
37extern int any_operand (rtx, enum machine_mode);
38extern int short_cint_operand (rtx, enum machine_mode);
39extern int u_short_cint_operand (rtx, enum machine_mode);
40extern int non_short_cint_operand (rtx, enum machine_mode);
41extern int exact_log2_cint_operand (rtx, enum machine_mode);
42extern int gpc_reg_operand (rtx, enum machine_mode);
43extern int cc_reg_operand (rtx, enum machine_mode);
44extern int cc_reg_not_cr0_operand (rtx, enum machine_mode);
45extern int reg_or_short_operand (rtx, enum machine_mode);
46extern int reg_or_neg_short_operand (rtx, enum machine_mode);
47extern int reg_or_aligned_short_operand (rtx, enum machine_mode);
48extern int reg_or_u_short_operand (rtx, enum machine_mode);
49extern int reg_or_cint_operand (rtx, enum machine_mode);
50extern int reg_or_arith_cint_operand (rtx, enum machine_mode);
51extern int reg_or_add_cint64_operand (rtx, enum machine_mode);
52extern int reg_or_sub_cint64_operand (rtx, enum machine_mode);
53extern int reg_or_logical_cint_operand (rtx, enum machine_mode);
54extern int got_operand (rtx, enum machine_mode);
55extern int word_offset_memref_operand (rtx, enum machine_mode);
56extern int got_no_const_operand (rtx, enum machine_mode);
57extern int num_insns_constant (rtx, enum machine_mode);
58extern int easy_fp_constant (rtx, enum machine_mode);
59extern int easy_vector_constant (rtx, enum machine_mode);
60extern rtx gen_easy_vector_constant_add_self (rtx);
61extern const char *output_vec_const_move (rtx *);
62extern int zero_fp_constant (rtx, enum machine_mode);
63extern int zero_constant (rtx, enum machine_mode);
64extern int volatile_mem_operand (rtx, enum machine_mode);
65extern int offsettable_mem_operand (rtx, enum machine_mode);
66extern int mem_or_easy_const_operand (rtx, enum machine_mode);
67extern int add_operand (rtx, enum machine_mode);
68extern int non_add_cint_operand (rtx, enum machine_mode);
69extern int non_logical_cint_operand (rtx, enum machine_mode);
70extern int logical_operand (rtx, enum machine_mode);
71extern int mask_operand (rtx, enum machine_mode);
72extern int mask_operand_wrap (rtx, enum machine_mode);
73extern int mask64_operand (rtx, enum machine_mode);
74extern int mask64_2_operand (rtx, enum machine_mode);
75extern void build_mask64_2_operands (rtx, rtx *);
76extern int and64_operand (rtx, enum machine_mode);
77extern int and64_2_operand (rtx, enum machine_mode);
78extern int and_operand (rtx, enum machine_mode);
79extern int count_register_operand (rtx, enum machine_mode);
80extern int xer_operand (rtx, enum machine_mode);
81extern int reg_or_mem_operand (rtx, enum machine_mode);
82extern int lwa_operand (rtx, enum machine_mode);
83extern int call_operand (rtx, enum machine_mode);
84extern int current_file_function_operand (rtx, enum machine_mode);
85extern int input_operand (rtx, enum machine_mode);
86extern int small_data_operand (rtx, enum machine_mode);
87extern int s8bit_cint_operand (rtx, enum machine_mode);
88extern bool legitimate_constant_pool_address_p (rtx);
89extern int expand_block_move (rtx[]);
90extern int load_multiple_operation (rtx, enum machine_mode);
91extern const char * rs6000_output_load_multiple (rtx[]);
92extern int store_multiple_operation (rtx, enum machine_mode);
93extern int branch_comparison_operator (rtx, enum machine_mode);
94extern int branch_positive_comparison_operator (rtx, enum machine_mode);
95extern int scc_comparison_operator (rtx, enum machine_mode);
96extern int trap_comparison_operator (rtx, enum machine_mode);
97extern int boolean_operator (rtx, enum machine_mode);
98extern int boolean_or_operator (rtx, enum machine_mode);
99extern int min_max_operator (rtx, enum machine_mode);
100extern int includes_lshift_p (rtx, rtx);
101extern int includes_rshift_p (rtx, rtx);
102extern int includes_rldic_lshift_p (rtx, rtx);
103extern int includes_rldicr_lshift_p (rtx, rtx);
104extern int registers_ok_for_quad_peep (rtx, rtx);
105extern int addrs_ok_for_quad_peep (rtx, rtx);
106extern bool gpr_or_gpr_p (rtx, rtx);
107extern enum reg_class secondary_reload_class (enum reg_class,
108					      enum machine_mode, rtx, int);
109extern int ccr_bit (rtx, int);
110extern int extract_MB (rtx);
111extern int extract_ME (rtx);
112extern void print_operand (FILE *, rtx, int);
113extern void print_operand_address (FILE *, rtx);
114extern enum rtx_code rs6000_reverse_condition (enum machine_mode,
115					       enum rtx_code);
116extern void rs6000_emit_sCOND (enum rtx_code, rtx);
117extern void rs6000_emit_cbranch (enum rtx_code, rtx);
118extern char * output_cbranch (rtx, const char *, int, rtx);
119extern char * output_e500_flip_eq_bit (rtx, rtx);
120extern rtx rs6000_emit_set_const (rtx, enum machine_mode, rtx, int);
121extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
122extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
123extern void output_toc (FILE *, rtx, int, enum machine_mode);
124extern void rs6000_initialize_trampoline (rtx, rtx, rtx);
125extern struct rtx_def *rs6000_longcall_ref (rtx);
126extern void rs6000_fatal_bad_address (rtx);
127extern int stmw_operation (rtx, enum machine_mode);
128extern int mfcr_operation (rtx, enum machine_mode);
129extern int mtcrf_operation (rtx, enum machine_mode);
130extern int lmw_operation (rtx, enum machine_mode);
131extern struct rtx_def *create_TOC_reference (rtx);
132extern void rs6000_split_multireg_move (rtx, rtx);
133extern void rs6000_emit_move (rtx, rtx, enum machine_mode);
134extern rtx rs6000_legitimize_address (rtx, rtx, enum machine_mode);
135extern rtx rs6000_legitimize_reload_address (rtx, enum machine_mode,
136			    int, int, int, int *);
137extern int rs6000_legitimate_address (enum machine_mode, rtx, int);
138extern bool rs6000_mode_dependent_address (rtx);
139extern rtx rs6000_return_addr (int, rtx);
140extern void rs6000_output_symbol_ref (FILE*, rtx);
141extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
142
143extern rtx rs6000_machopic_legitimize_pic_address (rtx orig,
144                            enum machine_mode mode, rtx reg);
145
146#endif /* RTX_CODE */
147
148#ifdef TREE_CODE
149extern unsigned int rs6000_special_round_type_align (tree, int, int);
150extern void function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
151					  tree, int);
152extern int function_arg_boundary (enum machine_mode, tree);
153extern struct rtx_def *function_arg (CUMULATIVE_ARGS *,
154					     enum machine_mode, tree, int);
155extern int function_arg_partial_nregs (CUMULATIVE_ARGS *,
156					       enum machine_mode, tree, int);
157extern int function_arg_pass_by_reference (CUMULATIVE_ARGS *,
158						   enum machine_mode,
159						   tree, int);
160extern rtx rs6000_function_value (tree, tree);
161extern rtx rs6000_libcall_value (enum machine_mode);
162extern struct rtx_def *rs6000_va_arg (tree, tree);
163extern int function_ok_for_sibcall (tree);
164extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
165#ifdef ARGS_SIZE_RTX
166/* expr.h defines ARGS_SIZE_RTX and `enum direction' */
167extern enum direction function_arg_padding (enum machine_mode, tree);
168#endif /* ARGS_SIZE_RTX */
169
170#endif /* TREE_CODE */
171
172extern void optimization_options (int, int);
173extern void rs6000_override_options (const char *);
174extern int direct_return (void);
175extern int first_reg_to_save (void);
176extern int first_fp_reg_to_save (void);
177extern void output_ascii (FILE *, const char *, int);
178extern void rs6000_gen_section_name (char **, const char *, const char *);
179extern void output_function_profiler (FILE *, int);
180extern void output_profile_hook  (int);
181extern int rs6000_trampoline_size (void);
182extern void toc_section (void);
183extern void sdata_section (void);
184extern void sdata2_section (void);
185extern void sbss_section (void);
186extern void private_data_section (void);
187extern void read_only_data_section (void);
188extern void read_only_private_data_section (void);
189extern int get_TOC_alias_set (void);
190extern void rs6000_emit_prologue (void);
191extern void rs6000_emit_load_toc_table (int);
192extern void rs6000_aix_emit_builtin_unwind_init (void);
193extern unsigned int rs6000_dbx_register_number (unsigned int);
194extern void rs6000_emit_epilogue (int);
195extern void rs6000_emit_eh_reg_restore (rtx, rtx);
196extern const char * output_isel (rtx *);
197extern int vrsave_operation (rtx, enum machine_mode);
198extern int rs6000_register_move_cost (enum machine_mode,
199					      enum reg_class, enum reg_class);
200extern int rs6000_memory_move_cost (enum machine_mode, enum reg_class, int);
201extern bool rs6000_tls_referenced_p (rtx);
202extern int rs6000_tls_symbol_ref (rtx, enum machine_mode);
203extern void rs6000_output_dwarf_dtprel (FILE*, int, rtx);
204
205/* Declare functions in rs6000-c.c */
206
207extern void rs6000_pragma_longcall (struct cpp_reader *);
208extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
209
210#if TARGET_MACHO
211char *output_call (rtx, rtx *, int, int);
212#endif
213
214#endif  /* rs6000-protos.h */
215