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feeeff5c 1/* Definitions of target machine for GNU compiler, EPIPHANY cpu.
23a5b65a 2 Copyright (C) 2000-2014 Free Software Foundation, Inc.
feeeff5c
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3 Contributed by Embecosm on behalf of Adapteva, 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 3, 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 COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
20
21#ifdef RTX_CODE
22extern enum machine_mode epiphany_select_cc_mode (enum rtx_code, rtx, rtx);
23
24/* Define the function that build the compare insn for scc and bcc. */
25extern struct rtx_def *gen_compare_reg (enum machine_mode, enum rtx_code,
26 enum machine_mode, rtx, rtx);
27#endif
28
29/* Declarations for various fns used in the .md file. */
30extern void epiphany_final_prescan_insn (rtx, rtx *, int);
31extern bool epiphany_is_long_call_p (rtx);
32extern bool epiphany_small16 (rtx);
33bool epiphany_uninterruptible_p (tree decl);
34bool epiphany_call_uninterruptible_p (rtx mem);
35extern rtx sfunc_symbol (const char *name);
36
37extern void epiphany_expand_prologue (void);
38extern void epiphany_expand_epilogue (int);
39extern int epiphany_initial_elimination_offset (int, int);
40extern void epiphany_init_expanders (void);
41extern int hard_regno_mode_ok (int regno, enum machine_mode mode);
42#ifdef HARD_CONST
43extern void emit_set_fp_mode (int entity, int mode, HARD_REG_SET regs_live);
44#endif
45extern void epiphany_insert_mode_switch_use (rtx insn, int, int);
46extern void epiphany_expand_set_fp_mode (rtx *operands);
47extern int epiphany_mode_needed (int entity, rtx insn);
48extern int epiphany_mode_entry_exit (int entity, bool);
49extern int epiphany_mode_after (int entity, int last_mode, rtx insn);
50extern int epiphany_mode_priority_to_mode (int entity, unsigned priority);
51extern bool epiphany_epilogue_uses (int regno);
52extern bool epiphany_optimize_mode_switching (int entity);
53extern bool epiphany_is_interrupt_p (tree);
54extern unsigned epiphany_special_round_type_align (tree, unsigned, unsigned);
55extern unsigned epiphany_adjust_field_align (tree, unsigned);
188b7e23 56extern void epiphany_start_function (FILE *f, const char *name, tree decl);
ffcc7caf 57extern bool epiphany_regno_rename_ok (unsigned src, unsigned dst);
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58
59/* Also declared in insn-attr.h, but files generated from epiphany.md
60 can't / won't include that. In particular:
61 PR other/55523: gencondmd file includes / dependencies are messed up,
62 it uses peephole2 predicates without having all the necessary headers. */
63extern int get_attr_sched_use_fpu (rtx);
64