1 /* Definitions of target machine for GNU compiler, EPIPHANY cpu.
2 Copyright (C) 2000-2013 Free Software Foundation, Inc.
3 Contributed by Embecosm on behalf of Adapteva, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
22 extern enum machine_mode
epiphany_select_cc_mode (enum rtx_code
, rtx
, rtx
);
24 /* Define the function that build the compare insn for scc and bcc. */
25 extern struct rtx_def
*gen_compare_reg (enum machine_mode
, enum rtx_code
,
26 enum machine_mode
, rtx
, rtx
);
29 /* Declarations for various fns used in the .md file. */
30 extern void epiphany_final_prescan_insn (rtx
, rtx
*, int);
31 extern bool epiphany_is_long_call_p (rtx
);
32 extern bool epiphany_small16 (rtx
);
33 bool epiphany_uninterruptible_p (tree decl
);
34 bool epiphany_call_uninterruptible_p (rtx mem
);
35 extern rtx
sfunc_symbol (const char *name
);
37 extern void epiphany_expand_prologue (void);
38 extern void epiphany_expand_epilogue (int);
39 extern int epiphany_initial_elimination_offset (int, int);
40 extern void epiphany_init_expanders (void);
41 extern int hard_regno_mode_ok (int regno
, enum machine_mode mode
);
43 extern void emit_set_fp_mode (int entity
, int mode
, HARD_REG_SET regs_live
);
45 extern void epiphany_insert_mode_switch_use (rtx insn
, int, int);
46 extern void epiphany_expand_set_fp_mode (rtx
*operands
);
47 extern int epiphany_mode_needed (int entity
, rtx insn
);
48 extern int epiphany_mode_entry_exit (int entity
, bool);
49 extern int epiphany_mode_after (int entity
, int last_mode
, rtx insn
);
50 extern int epiphany_mode_priority_to_mode (int entity
, unsigned priority
);
51 extern bool epiphany_epilogue_uses (int regno
);
52 extern bool epiphany_optimize_mode_switching (int entity
);
53 extern bool epiphany_is_interrupt_p (tree
);
54 extern unsigned epiphany_special_round_type_align (tree
, unsigned, unsigned);
55 extern unsigned epiphany_adjust_field_align (tree
, unsigned);
56 extern void epiphany_start_function (FILE *f
, const char *name
, tree decl
);
57 extern bool epiphany_regno_rename_ok (unsigned src
, unsigned dst
);
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. */
63 extern int get_attr_sched_use_fpu (rtx
);