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/* Prototype declarations for the C-SKY back end.
Copyright (C) 2018-2021 Free Software Foundation, Inc.
Contributed by C-SKY Microsystems and Mentor Graphics.
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
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
<>. */
extern bool csky_simple_addr_operand_p (rtx);
extern bool csky_symbolic_address_p (rtx);
extern bool csky_legitimate_pic_operand_p (rtx);
extern void csky_cpu_cpp_builtins (cpp_reader *);
extern bool csky_inlinable_constant (HOST_WIDE_INT value);
extern bool csky_shifted_imm8_constant (unsigned HOST_WIDE_INT,
unsigned int *, unsigned int *);
extern bool csky_valid_mem_constraint_operand (rtx, const char*);
extern bool csky_minipool_load_p (rtx_insn *);
extern const char *csky_output_move (rtx insn, rtx *, machine_mode);
extern const char *csky_output_movedouble (rtx *, machine_mode);
extern const char *csky_output_ck801_move (rtx, rtx *, machine_mode);
extern const char *csky_output_ck801_movedouble (rtx *, machine_mode);
extern char *csky_output_call (rtx *, int);
extern const char *csky_output_casesi (rtx *);
extern bool csky_split_and (rtx *);
extern bool csky_split_ior (rtx *);
extern bool csky_split_xor (rtx *);
#ifdef RTX_CODE
extern bool csky_emit_compare (enum rtx_code, rtx, rtx);
extern bool csky_emit_compare_float (enum rtx_code, rtx, rtx);
#endif /* RTX_CODE */
extern rtx csky_return_addr (int, rtx);
extern void csky_init_expanders (void);
extern HOST_WIDE_INT csky_initial_elimination_offset (int, int);
extern void csky_expand_prologue (void);
extern void csky_expand_epilogue (void);
extern const char *csky_output_return_instruction (void);
extern void csky_set_eh_return_address (rtx, rtx);
extern bool csky_symbol_mentioned_p (rtx);
extern bool csky_label_mentioned_p (rtx);
extern rtx csky_legitimize_pic_address (rtx, rtx, bool);
extern bool csky_tls_referenced_p (rtx);
extern rtx csky_legitimize_tls_address (rtx, rtx);
extern int csky_compute_pushpop_length (rtx *);
extern int csky_default_branch_cost (bool, bool);
extern bool csky_default_logical_op_non_short_circuit (void);
extern void csky_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree);
extern int csky_get_movedouble_length(rtx operands[]);
/* The functions was used for fpuv3. */
extern const char *fpuv3_output_move (rtx *operands);
extern int fpuv3_const_double_rtx (rtx);
#endif /* GCC_CSKY_PROTOS_H */