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/* Definitions of target machine for GNU compiler, EPIPHANY cpu.
Copyright (C) 2000-2013 Free Software Foundation, Inc.
Contributed by Embecosm on behalf of Adapteva, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifdef RTX_CODE
extern enum machine_mode epiphany_select_cc_mode (enum rtx_code, rtx, rtx);
/* Define the function that build the compare insn for scc and bcc. */
extern struct rtx_def *gen_compare_reg (enum machine_mode, enum rtx_code,
enum machine_mode, rtx, rtx);
#endif
/* Declarations for various fns used in the .md file. */
extern void epiphany_final_prescan_insn (rtx, rtx *, int);
extern bool epiphany_is_long_call_p (rtx);
extern bool epiphany_small16 (rtx);
bool epiphany_uninterruptible_p (tree decl);
bool epiphany_call_uninterruptible_p (rtx mem);
extern rtx sfunc_symbol (const char *name);
extern void epiphany_expand_prologue (void);
extern void epiphany_expand_epilogue (int);
extern int epiphany_initial_elimination_offset (int, int);
extern void epiphany_init_expanders (void);
extern int hard_regno_mode_ok (int regno, enum machine_mode mode);
#ifdef HARD_CONST
extern void emit_set_fp_mode (int entity, int mode, HARD_REG_SET regs_live);
#endif
extern void epiphany_insert_mode_switch_use (rtx insn, int, int);
extern void epiphany_expand_set_fp_mode (rtx *operands);
extern int epiphany_mode_needed (int entity, rtx insn);
extern int epiphany_mode_entry_exit (int entity, bool);
extern int epiphany_mode_after (int entity, int last_mode, rtx insn);
extern int epiphany_mode_priority_to_mode (int entity, unsigned priority);
extern bool epiphany_epilogue_uses (int regno);
extern bool epiphany_optimize_mode_switching (int entity);
extern bool epiphany_is_interrupt_p (tree);
extern unsigned epiphany_special_round_type_align (tree, unsigned, unsigned);
extern unsigned epiphany_adjust_field_align (tree, unsigned);
extern void epiphany_start_function (FILE *f, const char *name, tree decl);
extern bool epiphany_regno_rename_ok (unsigned src, unsigned dst);
/* Also declared in insn-attr.h, but files generated from epiphany.md
can't / won't include that. In particular:
PR other/55523: gencondmd file includes / dependencies are messed up,
it uses peephole2 predicates without having all the necessary headers. */
extern int get_attr_sched_use_fpu (rtx);
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