1/* Prototypes for Blackfin functions used in the md file & elsewhere.
2   Copyright (C) 2005-2020 Free Software Foundation, Inc.
3
4   This file is part of GNU CC.
5
6   GNU CC is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 3, or (at your option)
9   any later version.
10
11   GNU CC is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with GCC; see the file COPYING3.  If not see
18   <http://www.gnu.org/licenses/>.  */
19
20/* Function prototypes that cannot exist in bfin.h due to dependency
21   complications.  */
22#ifndef GCC_BFIN_PROTOS_H
23#define GCC_BFIN_PROTOS_H
24
25/* For the anomaly 05-00-0245 */
26#define WA_SPECULATIVE_LOADS 0x00000001
27#define ENABLE_WA_SPECULATIVE_LOADS \
28  (bfin_workarounds & WA_SPECULATIVE_LOADS)
29
30/* For the anomaly 05-00-0244 */
31#define WA_SPECULATIVE_SYNCS 0x00000002
32#define ENABLE_WA_SPECULATIVE_SYNCS \
33  (bfin_workarounds & WA_SPECULATIVE_SYNCS)
34
35/* For the anomaly 05-00-0371 */
36#define WA_RETS 0x00000004
37#define ENABLE_WA_RETS \
38  (bfin_workarounds & WA_RETS)
39
40/* For the anomaly 05-00-0426 */
41#define WA_INDIRECT_CALLS 0x00000008
42#define ENABLE_WA_INDIRECT_CALLS \
43  ((bfin_workarounds & WA_INDIRECT_CALLS) && !TARGET_ICPLB)
44
45#define WA_05000257 0x00000010
46#define ENABLE_WA_05000257 \
47  (bfin_workarounds & WA_05000257)
48
49#define WA_05000283 0x00000020
50#define ENABLE_WA_05000283 \
51  (bfin_workarounds & WA_05000283)
52
53#define WA_05000315 0x00000040
54#define ENABLE_WA_05000315 \
55  (bfin_workarounds & WA_05000315)
56
57/* For the anomaly 05-00-0312 */
58#define WA_LOAD_LCREGS 0x00000080
59#define ENABLE_WA_LOAD_LCREGS \
60  (bfin_workarounds & WA_LOAD_LCREGS)
61
62#define WA_05000074 0x00000100
63#define ENABLE_WA_05000074 \
64  (bfin_workarounds & WA_05000074)
65
66extern bool function_arg_regno_p (int);
67
68extern const char *output_load_immediate (rtx *);
69extern const char *output_casesi_internal (rtx *);
70extern char *bfin_asm_long (void);
71extern char *bfin_asm_short (void);
72extern int log2constp (unsigned HOST_WIDE_INT);
73
74extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx);
75extern HOST_WIDE_INT bfin_initial_elimination_offset (int, int);
76
77extern int effective_address_32bit_p (rtx, machine_mode);
78extern int symbolic_reference_mentioned_p (rtx);
79extern rtx bfin_gen_compare (rtx, machine_mode);
80extern bool expand_move (rtx *, machine_mode);
81extern void bfin_expand_call (rtx, rtx, rtx, rtx, int);
82extern bool bfin_longcall_p (rtx, int);
83extern bool bfin_dsp_memref_p (rtx);
84extern bool bfin_expand_cpymem (rtx, rtx, rtx, rtx);
85
86extern enum reg_class secondary_input_reload_class (enum reg_class,
87						    machine_mode,
88						    rtx);
89extern enum reg_class secondary_output_reload_class (enum reg_class,
90						     machine_mode,
91						     rtx);
92extern char *section_asm_op_1 (SECT_ENUM_T);
93extern char *section_asm_op (SECT_ENUM_T);
94extern void print_operand (FILE *,  rtx, char);
95extern void print_address_operand (FILE *, rtx);
96extern void split_di (rtx [], int, rtx [], rtx []);
97extern int split_load_immediate (rtx []);
98extern void emit_pic_move (rtx *, machine_mode);
99extern void asm_conditional_branch (rtx_insn *, rtx *, int, int);
100extern rtx bfin_gen_compare (rtx, machine_mode);
101
102extern unsigned bfin_local_alignment (tree, unsigned);
103extern rtx bfin_va_arg (tree, tree);
104
105extern void bfin_expand_prologue (void);
106extern void bfin_expand_epilogue (int, int, bool);
107extern int analyze_push_multiple_operation (rtx);
108extern int analyze_pop_multiple_operation (rtx);
109extern void output_push_multiple (rtx, rtx *);
110extern void output_pop_multiple (rtx, rtx *);
111extern int bfin_hard_regno_rename_ok (unsigned int, unsigned int);
112extern rtx bfin_return_addr_rtx (int);
113extern void bfin_hardware_loop (void);
114
115#endif
116
117