1 /* Prototypes for Blackfin functions used in the md file & elsewhere.
2 Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc.
4 This file is part of GNU CC.
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)
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.
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/>. */
20 /* Function prototypes that cannot exist in bfin.h due to dependency
22 #ifndef GCC_BFIN_PROTOS_H
23 #define GCC_BFIN_PROTOS_H
26 typedef enum bfin_cpu_type
51 extern bfin_cpu_t bfin_cpu_type;
53 /* Value of -msi-revision= */
54 extern int bfin_si_revision;
56 extern unsigned int bfin_workarounds;
58 /* For the anomaly 05-00-0245 */
59 #define WA_SPECULATIVE_LOADS 0x00000001
60 #define ENABLE_WA_SPECULATIVE_LOADS \
61 (bfin_workarounds & WA_SPECULATIVE_LOADS)
63 /* For the anomaly 05-00-0244 */
64 #define WA_SPECULATIVE_SYNCS 0x00000002
65 #define ENABLE_WA_SPECULATIVE_SYNCS \
66 (bfin_workarounds & WA_SPECULATIVE_SYNCS)
68 /* For the anomaly 05-00-0371 */
69 #define WA_RETS 0x00000004
70 #define ENABLE_WA_RETS \
71 (bfin_workarounds & WA_RETS)
74 #define Mmode enum machine_mode
76 extern rtx function_arg (CUMULATIVE_ARGS *, Mmode, tree, int);
77 extern void function_arg_advance (CUMULATIVE_ARGS *, Mmode, tree, int);
78 extern bool function_arg_regno_p (int);
80 extern const char *output_load_immediate (rtx *);
81 extern const char *output_casesi_internal (rtx *);
82 extern char *bfin_asm_long (void);
83 extern char *bfin_asm_short (void);
84 extern int log2constp (unsigned HOST_WIDE_INT);
86 extern rtx legitimize_address (rtx, rtx, Mmode);
87 extern bool bfin_legitimate_constant_p (rtx);
88 extern int hard_regno_mode_ok (int, Mmode);
89 extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx);
90 extern int bfin_frame_pointer_required (void);
91 extern HOST_WIDE_INT bfin_initial_elimination_offset (int, int);
93 extern int effective_address_32bit_p (rtx, Mmode);
94 extern int symbolic_reference_mentioned_p (rtx);
95 extern rtx bfin_gen_compare (rtx, Mmode);
96 extern bool expand_move (rtx *, Mmode);
97 extern void bfin_expand_call (rtx, rtx, rtx, rtx, int);
98 extern bool bfin_longcall_p (rtx, int);
99 extern bool bfin_dsp_memref_p (rtx);
100 extern bool bfin_expand_movmem (rtx, rtx, rtx, rtx);
102 extern void conditional_register_usage (void);
103 extern int bfin_register_move_cost (enum machine_mode, enum reg_class,
105 extern int bfin_memory_move_cost (enum machine_mode, enum reg_class, int in);
106 extern enum reg_class secondary_input_reload_class (enum reg_class, Mmode,
108 extern enum reg_class secondary_output_reload_class (enum reg_class, Mmode,
110 extern char *section_asm_op_1 (SECT_ENUM_T);
111 extern char *section_asm_op (SECT_ENUM_T);
112 extern void override_options (void);
113 extern void print_operand (FILE *, rtx, char);
114 extern void print_address_operand (FILE *, rtx);
115 extern void split_di (rtx [], int, rtx [], rtx []);
116 extern int split_load_immediate (rtx []);
117 extern void emit_pic_move (rtx *, Mmode);
118 extern void override_options (void);
119 extern void asm_conditional_branch (rtx, rtx *, int, int);
120 extern rtx bfin_gen_compare (rtx, Mmode);
122 extern int bfin_local_alignment (tree, int);
123 extern int bfin_return_in_memory (const_tree, const_tree);
124 extern void initialize_trampoline (rtx, rtx, rtx);
125 extern bool bfin_legitimate_address_p (Mmode, rtx, int);
126 extern rtx bfin_va_arg (tree, tree);
128 extern void bfin_expand_prologue (void);
129 extern void bfin_expand_epilogue (int, int, bool);
130 extern int push_multiple_operation (rtx, Mmode);
131 extern int pop_multiple_operation (rtx, Mmode);
132 extern void output_push_multiple (rtx, rtx *);
133 extern void output_pop_multiple (rtx, rtx *);
134 extern int bfin_hard_regno_rename_ok (unsigned int, unsigned int);
135 extern rtx bfin_return_addr_rtx (int);
136 extern void bfin_hardware_loop (void);