i386-protos.h revision 132718 
1/* Definitions of target machine for GCC for IA-32.
2   Copyright (C) 1988, 1992, 1994, 1995, 1996, 1996, 1997, 1998, 1999,
3   2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING.  If not, write to
19the Free Software Foundation, 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA.  */
21
22/* Functions in i386.c */
23extern void override_options (void);
24extern void optimization_options (int, int);
25
26extern int ix86_can_use_return_insn_p (void);
27extern int ix86_frame_pointer_required (void);
28extern void ix86_setup_frame_addresses (void);
29
30extern void ix86_file_end (void);
31extern HOST_WIDE_INT ix86_initial_elimination_offset (int, int);
32extern void ix86_expand_prologue (void);
33extern void ix86_expand_epilogue (int);
34
35extern void ix86_output_addr_vec_elt (FILE *, int);
36extern void ix86_output_addr_diff_elt (FILE *, int, int);
37
38#ifdef RTX_CODE
39extern int ix86_aligned_p (rtx);
40
41extern int standard_80387_constant_p (rtx);
42extern const char *standard_80387_constant_opcode (rtx);
43extern rtx standard_80387_constant_rtx (int);
44extern int standard_sse_constant_p (rtx);
45extern int symbolic_reference_mentioned_p (rtx);
46extern bool extended_reg_mentioned_p (rtx);
47extern bool x86_extended_QIreg_mentioned_p (rtx);
48extern bool x86_extended_reg_mentioned_p (rtx);
49
50extern int any_fp_register_operand (rtx, enum machine_mode);
51extern int register_and_not_any_fp_reg_operand (rtx, enum machine_mode);
52
53extern int fp_register_operand (rtx, enum machine_mode);
54extern int register_and_not_fp_reg_operand (rtx, enum machine_mode);
55
56extern int x86_64_general_operand (rtx, enum machine_mode);
57extern int x86_64_szext_general_operand (rtx, enum machine_mode);
58extern int x86_64_nonmemory_operand (rtx, enum machine_mode);
59extern int x86_64_szext_nonmemory_operand (rtx, enum machine_mode);
60extern int x86_64_immediate_operand (rtx, enum machine_mode);
61extern int x86_64_zext_immediate_operand (rtx, enum machine_mode);
62extern int symbolic_operand (rtx, enum machine_mode);
63extern int tls_symbolic_operand (rtx, enum machine_mode);
64extern int global_dynamic_symbolic_operand (rtx, enum machine_mode);
65extern int local_dynamic_symbolic_operand (rtx, enum machine_mode);
66extern int initial_exec_symbolic_operand (rtx, enum machine_mode);
67extern int local_exec_symbolic_operand (rtx, enum machine_mode);
68extern int pic_symbolic_operand (rtx, enum machine_mode);
69extern int call_insn_operand (rtx, enum machine_mode);
70extern int sibcall_insn_operand (rtx, enum machine_mode);
71extern int constant_call_address_operand (rtx, enum machine_mode);
72extern int const0_operand (rtx, enum machine_mode);
73extern int const1_operand (rtx, enum machine_mode);
74extern int const248_operand (rtx, enum machine_mode);
75extern int incdec_operand (rtx, enum machine_mode);
76extern int reg_no_sp_operand (rtx, enum machine_mode);
77extern int mmx_reg_operand (rtx, enum machine_mode);
78extern int general_no_elim_operand (rtx, enum machine_mode);
79extern int nonmemory_no_elim_operand (rtx, enum machine_mode);
80extern int q_regs_operand (rtx, enum machine_mode);
81extern int non_q_regs_operand (rtx, enum machine_mode);
82extern int sse_comparison_operator (rtx, enum machine_mode);
83extern int fcmov_comparison_operator (rtx, enum machine_mode);
84extern int cmp_fp_expander_operand (rtx, enum machine_mode);
85extern int ix86_comparison_operator (rtx, enum machine_mode);
86extern int ext_register_operand (rtx, enum machine_mode);
87extern int binary_fp_operator (rtx, enum machine_mode);
88extern int mult_operator (rtx, enum machine_mode);
89extern int div_operator (rtx, enum machine_mode);
90extern int arith_or_logical_operator (rtx, enum machine_mode);
91extern int promotable_binary_operator (rtx, enum machine_mode);
92extern int memory_displacement_operand (rtx, enum machine_mode);
93extern int cmpsi_operand (rtx, enum machine_mode);
94extern int long_memory_operand (rtx, enum machine_mode);
95extern int aligned_operand (rtx, enum machine_mode);
96extern enum machine_mode ix86_cc_mode (enum rtx_code, rtx, rtx);
97
98extern int ix86_expand_movstr (rtx, rtx, rtx, rtx);
99extern int ix86_expand_clrstr (rtx, rtx, rtx);
100extern int ix86_expand_strlen (rtx, rtx, rtx, rtx);
101
102extern bool legitimate_constant_p (rtx);
103extern bool constant_address_p (rtx);
104extern bool legitimate_pic_operand_p (rtx);
105extern int legitimate_pic_address_disp_p (rtx);
106extern int legitimate_address_p (enum machine_mode, rtx, int);
107extern rtx legitimize_pic_address (rtx, rtx);
108extern rtx legitimize_address (rtx, rtx, enum machine_mode);
109
110extern void print_reg (rtx, int, FILE*);
111extern void print_operand (FILE*, rtx, int);
112extern void print_operand_address (FILE*, rtx);
113extern bool output_addr_const_extra (FILE*, rtx);
114
115extern void split_di (rtx[], int, rtx[], rtx[]);
116extern void split_ti (rtx[], int, rtx[], rtx[]);
117
118extern const char *output_set_got (rtx);
119extern const char *output_387_binary_op (rtx, rtx*);
120extern const char *output_fix_trunc (rtx, rtx*);
121extern const char *output_fp_compare (rtx, rtx*, int, int);
122
123extern void i386_dwarf_output_addr_const (FILE*, rtx);
124extern void i386_output_dwarf_dtprel (FILE*, int, rtx);
125
126extern void ix86_expand_clear (rtx);
127extern void ix86_expand_move (enum machine_mode, rtx[]);
128extern void ix86_expand_vector_move (enum machine_mode, rtx[]);
129extern void ix86_expand_binary_operator (enum rtx_code,
130					 enum machine_mode, rtx[]);
131extern int ix86_binary_operator_ok (enum rtx_code, enum machine_mode, rtx[]);
132extern void ix86_expand_unary_operator (enum rtx_code, enum machine_mode,
133					rtx[]);
134extern int ix86_unary_operator_ok (enum rtx_code, enum machine_mode, rtx[]);
135extern int ix86_match_ccmode (rtx, enum machine_mode);
136extern rtx ix86_expand_compare (enum rtx_code, rtx *, rtx *);
137extern int ix86_use_fcomi_compare (enum rtx_code);
138extern void ix86_expand_branch (enum rtx_code, rtx);
139extern int ix86_expand_setcc (enum rtx_code, rtx);
140extern int ix86_expand_int_movcc (rtx[]);
141extern int ix86_expand_fp_movcc (rtx[]);
142extern int ix86_expand_int_addcc (rtx[]);
143extern void ix86_expand_call (rtx, rtx, rtx, rtx, rtx, int);
144extern void x86_initialize_trampoline (rtx, rtx, rtx);
145extern rtx ix86_zero_extend_to_Pmode (rtx);
146extern void ix86_split_long_move (rtx[]);
147extern void ix86_split_ashldi (rtx *, rtx);
148extern void ix86_split_ashrdi (rtx *, rtx);
149extern void ix86_split_lshrdi (rtx *, rtx);
150extern rtx ix86_find_base_term (rtx);
151extern int ix86_check_movabs (rtx, int);
152
153extern rtx assign_386_stack_local (enum machine_mode, int);
154extern int ix86_attr_length_immediate_default (rtx, int);
155extern int ix86_attr_length_address_default (rtx);
156
157extern enum machine_mode ix86_fp_compare_mode (enum rtx_code);
158
159extern int x86_64_sign_extended_value (rtx);
160extern int x86_64_zero_extended_value (rtx);
161extern rtx ix86_libcall_value (enum machine_mode);
162extern bool ix86_function_value_regno_p (int);
163extern bool ix86_function_arg_regno_p (int);
164extern int ix86_function_arg_boundary (enum machine_mode, tree);
165extern int ix86_return_in_memory (tree);
166extern void ix86_va_start (tree, rtx);
167extern rtx ix86_va_arg (tree, tree);
168extern void ix86_setup_incoming_varargs (CUMULATIVE_ARGS *,
169					 enum machine_mode, tree, int *, int);
170
171extern rtx ix86_force_to_memory (enum machine_mode, rtx);
172extern void ix86_free_from_memory (enum machine_mode);
173extern void ix86_split_fp_branch (enum rtx_code code, rtx, rtx, rtx, rtx, rtx);
174extern int ix86_hard_regno_mode_ok (int, enum machine_mode);
175extern int ix86_register_move_cost (enum machine_mode, enum reg_class,
176				    enum reg_class);
177extern int ix86_secondary_memory_needed (enum reg_class, enum reg_class,
178					 enum machine_mode, int);
179extern enum reg_class ix86_preferred_reload_class (rtx, enum reg_class);
180extern int ix86_memory_move_cost (enum machine_mode, enum reg_class, int);
181extern void emit_i387_cw_initialization (rtx, rtx);
182extern bool ix86_fp_jump_nontrivial_p (enum rtx_code);
183extern void x86_order_regs_for_local_alloc (void);
184extern void x86_function_profiler (FILE *, int);
185extern void x86_emit_floatuns (rtx [2]);
186
187
188#ifdef TREE_CODE
189extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree);
190extern rtx function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
191extern int function_arg_pass_by_reference (CUMULATIVE_ARGS *,
192					   enum machine_mode, tree, int);
193extern void function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
194				  tree, int);
195extern rtx ix86_function_value (tree);
196extern void ix86_init_builtins (void);
197extern rtx ix86_expand_builtin (tree, rtx, rtx, enum machine_mode, int);
198#endif
199
200#endif
201
202#ifdef TREE_CODE
203extern int ix86_return_pops_args (tree, tree, int);
204
205extern int ix86_data_alignment (tree, int);
206extern int ix86_local_alignment (tree, int);
207extern int ix86_constant_alignment (tree, int);
208extern tree ix86_handle_dll_attribute (tree *, tree, tree, int, bool *);
209extern tree ix86_handle_shared_attribute (tree *, tree, tree, int, bool *);
210
211extern unsigned int i386_pe_section_type_flags (tree, const char *, int);
212extern void i386_pe_asm_named_section (const char *, unsigned int);
213extern int x86_field_alignment (tree, int);
214#endif
215
216extern rtx ix86_tls_get_addr (void);
217extern bool ix86_must_pass_in_stack (enum machine_mode mode, tree);
218
219extern void ix86_expand_vector_init (rtx, rtx);
220/* In winnt.c  */
221extern int i386_pe_dllexport_name_p (const char *);
222extern int i386_pe_dllimport_name_p (const char *);
223extern void i386_pe_unique_section (tree, int);
224extern void i386_pe_declare_function_type (FILE *, const char *, int);
225extern void i386_pe_record_external_function (const char *);
226extern void i386_pe_record_exported_symbol (const char *, int);
227extern void i386_pe_asm_file_end (FILE *);
228extern void i386_pe_encode_section_info (tree, rtx, int);
229extern const char *i386_pe_strip_name_encoding (const char *);
230extern const char *i386_pe_strip_name_encoding_full (const char *);
231extern void i386_pe_output_labelref (FILE *, const char *);
232