1/* Prototypes for pa.c functions used in the md file & elsewhere.
2   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation,
3   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, 51 Franklin Street, Fifth Floor,
20Boston, MA 02110-1301, USA.  */
21
22#ifdef RTX_CODE
23/* Prototype function used in various macros.  */
24extern int symbolic_operand (rtx, enum machine_mode);
25extern int tls_symbolic_operand (rtx);
26
27/* Used in insn-*.c.  */
28extern int following_call (rtx);
29extern int function_label_operand (rtx, enum machine_mode);
30extern int lhs_lshift_cint_operand (rtx, enum machine_mode);
31
32#ifdef TREE_CODE
33extern void hppa_va_start (tree, rtx);
34#endif /* TREE_CODE */
35extern rtx hppa_legitimize_address (rtx, rtx, enum machine_mode);
36
37/* Define functions in pa.c and used in insn-output.c.  */
38
39extern const char *output_and (rtx *);
40extern const char *output_ior (rtx *);
41extern const char *output_move_double (rtx *);
42extern const char *output_fp_move_double (rtx *);
43extern const char *output_block_move (rtx *, int);
44extern const char *output_block_clear (rtx *, int);
45extern const char *output_cbranch (rtx *, int, int, int, rtx);
46extern const char *output_lbranch (rtx, rtx);
47extern const char *output_bb (rtx *, int, int, int, rtx, int);
48extern const char *output_bvb (rtx *, int, int, int, rtx, int);
49extern const char *output_dbra (rtx *, rtx, int);
50extern const char *output_movb (rtx *, rtx, int, int);
51extern const char *output_parallel_movb (rtx *, int);
52extern const char *output_parallel_addb (rtx *, int);
53extern const char *output_call (rtx, rtx, int);
54extern const char *output_indirect_call (rtx, rtx);
55extern const char *output_millicode_call (rtx, rtx);
56extern const char *output_mul_insn (int, rtx);
57extern const char *output_div_insn (rtx *, int, rtx);
58extern const char *output_mod_insn (int, rtx);
59extern const char *singlemove_string (rtx *);
60extern void output_arg_descriptor (rtx);
61extern void output_global_address (FILE *, rtx, int);
62extern void print_operand (FILE *, rtx, int);
63extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);
64extern struct rtx_def *gen_cmp_fp (enum rtx_code, rtx, rtx);
65extern void hppa_encode_label (rtx);
66extern int arith11_operand (rtx, enum machine_mode);
67extern int adddi3_operand (rtx, enum machine_mode);
68extern int indexed_memory_operand (rtx, enum machine_mode);
69extern int symbolic_expression_p (rtx);
70extern int symbolic_memory_operand (rtx, enum machine_mode);
71extern bool pa_tls_referenced_p (rtx);
72extern int pa_adjust_insn_length (rtx, int);
73extern int int11_operand (rtx, enum machine_mode);
74extern int reg_or_cint_move_operand (rtx, enum machine_mode);
75extern int arith5_operand (rtx, enum machine_mode);
76extern int uint5_operand (rtx, enum machine_mode);
77extern int pic_label_operand (rtx, enum machine_mode);
78extern int plus_xor_ior_operator (rtx, enum machine_mode);
79extern int borx_reg_operand (rtx, enum machine_mode);
80extern int shadd_operand (rtx, enum machine_mode);
81extern int arith_operand (rtx, enum machine_mode);
82extern int read_only_operand (rtx, enum machine_mode);
83extern int move_dest_operand (rtx, enum machine_mode);
84extern int move_src_operand (rtx, enum machine_mode);
85extern int prefetch_cc_operand (rtx, enum machine_mode);
86extern int prefetch_nocc_operand (rtx, enum machine_mode);
87extern int and_operand (rtx, enum machine_mode);
88extern int ior_operand (rtx, enum machine_mode);
89extern int arith32_operand (rtx, enum machine_mode);
90extern int uint32_operand (rtx, enum machine_mode);
91extern int reg_before_reload_operand (rtx, enum machine_mode);
92extern int reg_or_0_operand (rtx, enum machine_mode);
93extern int reg_or_0_or_nonsymb_mem_operand (rtx, enum machine_mode);
94extern int pre_cint_operand (rtx, enum machine_mode);
95extern int post_cint_operand (rtx, enum machine_mode);
96extern int div_operand (rtx, enum machine_mode);
97extern int int5_operand (rtx, enum machine_mode);
98extern int movb_comparison_operator (rtx, enum machine_mode);
99extern int ireg_or_int5_operand (rtx, enum machine_mode);
100extern int fmpyaddoperands (rtx *);
101extern int fmpysuboperands (rtx *);
102extern int call_operand_address (rtx, enum machine_mode);
103extern int ior_operand (rtx, enum machine_mode);
104extern void emit_bcond_fp (enum rtx_code, rtx);
105extern int emit_move_sequence (rtx *, enum machine_mode, rtx);
106extern int emit_hpdiv_const (rtx *, int);
107extern int is_function_label_plus_const (rtx);
108extern int jump_in_call_delay (rtx);
109extern enum reg_class secondary_reload_class (enum reg_class,
110					      enum machine_mode, rtx);
111extern int hppa_fpstore_bypass_p (rtx, rtx);
112extern int attr_length_millicode_call (rtx);
113extern int attr_length_call (rtx, int);
114extern int attr_length_indirect_call (rtx);
115extern int attr_length_save_restore_dltp (rtx);
116
117/* Declare functions defined in pa.c and used in templates.  */
118
119extern struct rtx_def *return_addr_rtx (int, rtx);
120
121extern int fp_reg_operand (rtx, enum machine_mode);
122extern int arith_double_operand (rtx, enum machine_mode);
123extern int ireg_operand (rtx, enum machine_mode);
124extern int lhs_lshift_operand (rtx, enum machine_mode);
125extern int pc_or_label_operand (rtx, enum machine_mode);
126#ifdef ARGS_SIZE_RTX
127/* expr.h defines ARGS_SIZE_RTX and `enum direction' */
128#ifdef TREE_CODE
129extern enum direction function_arg_padding (enum machine_mode, tree);
130#endif
131#endif /* ARGS_SIZE_RTX */
132extern int non_hard_reg_operand (rtx, enum machine_mode);
133extern int eq_neq_comparison_operator (rtx, enum machine_mode);
134extern int insn_refs_are_delayed (rtx);
135extern rtx get_deferred_plabel (rtx);
136#endif /* RTX_CODE */
137
138/* Prototype function used in macro CONST_OK_FOR_LETTER_P.  */
139extern int zdepi_cint_p (unsigned HOST_WIDE_INT);
140
141extern void override_options (void);
142extern void output_ascii (FILE *, const char *, int);
143extern const char * som_text_section_asm_op (void);
144extern HOST_WIDE_INT compute_frame_size (HOST_WIDE_INT, int *);
145extern int and_mask_p (unsigned HOST_WIDE_INT);
146extern int cint_ok_for_move (HOST_WIDE_INT);
147extern void hppa_expand_prologue (void);
148extern void hppa_expand_epilogue (void);
149extern int hppa_can_use_return_insn_p (void);
150extern int ior_mask_p (unsigned HOST_WIDE_INT);
151extern void compute_zdepdi_operands (unsigned HOST_WIDE_INT,
152				     unsigned *);
153#ifdef RTX_CODE
154extern const char * output_64bit_and (rtx *);
155extern const char * output_64bit_ior (rtx *);
156extern int cmpib_comparison_operator (rtx, enum machine_mode);
157#endif
158
159
160/* Miscellaneous functions in pa.c.  */
161#ifdef TREE_CODE
162extern int reloc_needed (tree);
163#ifdef RTX_CODE
164extern rtx function_arg (CUMULATIVE_ARGS *, enum machine_mode,
165			 tree, int);
166extern rtx function_value (tree, tree);
167#endif
168extern bool pa_return_in_memory (tree, tree);
169#endif /* TREE_CODE */
170
171extern void pa_asm_output_aligned_bss (FILE *, const char *,
172				       unsigned HOST_WIDE_INT,
173				       unsigned int);
174extern void pa_asm_output_aligned_common (FILE *, const char *,
175					  unsigned HOST_WIDE_INT,
176					  unsigned int);
177extern void pa_asm_output_aligned_local (FILE *, const char *,
178					 unsigned HOST_WIDE_INT,
179					 unsigned int);
180extern void pa_hpux_asm_output_external (FILE *, tree, const char *);
181
182extern const int magic_milli[];
183extern int shadd_constant_p (int);
184
185/* Functions in varasm.c used by pa.c.  */
186extern void som_readonly_data_section (void);
187extern void som_one_only_readonly_data_section (void);
188extern void som_one_only_data_section (void);
189extern void forget_section (void);
190