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/* Subroutine declarations for TI PRU target support.
Copyright (C) 2014-2022 Free Software Foundation, Inc.
Contributed by Dimitar Dimitrov <dimitar@dinux.eu>
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/>. */
#ifndef GCC_PRU_PROTOS_H
#define GCC_PRU_PROTOS_H
struct pru_ctable_entry {
bool valid;
unsigned HOST_WIDE_INT base;
};
extern struct pru_ctable_entry pru_ctable[32];
extern int pru_initial_elimination_offset (int, int);
extern int pru_can_use_return_insn (void);
extern void pru_expand_prologue (void);
extern void pru_expand_epilogue (bool);
extern void pru_function_profiler (FILE *, int);
void pru_register_pragmas (void);
#ifdef RTX_CODE
extern rtx pru_get_return_address (int);
extern int pru_hard_regno_rename_ok (unsigned int, unsigned int);
struct pru_byterange {
int start; /* Starting byte number. */
int nbytes; /* Number of consecutive bytes. */
};
extern pru_byterange pru_calc_byterange (HOST_WIDE_INT cval,
machine_mode mode);
extern const char *pru_output_signed_cbranch (rtx *, bool);
extern const char *pru_output_signed_cbranch_ubyteop2 (rtx *, bool);
extern const char *pru_output_signed_cbranch_zeroop2 (rtx *, bool);
extern rtx pru_expand_fp_compare (rtx comparison, machine_mode mode);
extern void pru_emit_doloop (rtx *, int);
extern bool pru_regno_ok_for_base_p (int, bool);
static inline bool
pru_regno_ok_for_index_p (int regno, bool strict_p)
{
/* Selection logic is the same - PRU instructions are quite orthogonal. */
return pru_regno_ok_for_base_p (regno, strict_p);
}
extern int pru_get_ctable_exact_base_index (unsigned HOST_WIDE_INT caddr);
extern int pru_get_ctable_base_index (unsigned HOST_WIDE_INT caddr);
extern int pru_get_ctable_base_offset (unsigned HOST_WIDE_INT caddr);
extern int pru_symref2ioregno (rtx op);
extern void pru_register_abicheck_pass (void);
#endif /* RTX_CODE */
#ifdef TREE_CODE
extern bool pru_return_in_memory (const_tree type, const_tree fntype);
#endif /* TREE_CODE */
#endif /* GCC_PRU_PROTOS_H */
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