gcc/config/pru/pru-protos.h

   1 /* Subroutine declarations for TI PRU target support.
   2    Copyright (C) 2014-2019 Free Software Foundation, Inc.
   3    Contributed by Dimitar Dimitrov <dimitar@dinux.eu>
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published
   9    by the Free Software Foundation; either version 3, or (at your
  10    option) any later version.
  11
  12    GCC is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    License for more details.
  16
  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/>.  */
  20
  21 #ifndef GCC_PRU_PROTOS_H
  22 #define GCC_PRU_PROTOS_H
  23
  24 struct pru_ctable_entry {
  25     bool valid;
  26     unsigned HOST_WIDE_INT base;
  27 };
  28
  29 extern struct pru_ctable_entry pru_ctable[32];
  30
  31 extern int pru_initial_elimination_offset (int, int);
  32 extern int pru_can_use_return_insn (void);
  33 extern void pru_expand_prologue (void);
  34 extern void pru_expand_epilogue (bool);
  35 extern void pru_function_profiler (FILE *, int);
  36
  37 void pru_register_pragmas (void);
  38
  39 #ifdef RTX_CODE
  40 extern rtx pru_get_return_address (int);
  41 extern int pru_hard_regno_rename_ok (unsigned int, unsigned int);
  42
  43 extern const char *pru_output_sign_extend (rtx *);
  44 extern const char *pru_output_signed_cbranch (rtx *, bool);
  45 extern const char *pru_output_signed_cbranch_ubyteop2 (rtx *, bool);
  46 extern const char *pru_output_signed_cbranch_zeroop2 (rtx *, bool);
  47
  48 extern rtx pru_expand_fp_compare (rtx comparison, machine_mode mode);
  49
  50 extern void pru_emit_doloop (rtx *, int);
  51
  52 extern bool pru_regno_ok_for_base_p (int, bool);
  53
  54 static inline bool
  55 pru_regno_ok_for_index_p (int regno, bool strict_p)
  56 {
  57   /* Selection logic is the same - PRU instructions are quite orthogonal.  */
  58   return pru_regno_ok_for_base_p (regno, strict_p);
  59 }
  60
  61 extern int pru_get_ctable_exact_base_index (unsigned HOST_WIDE_INT caddr);
  62 extern int pru_get_ctable_base_index (unsigned HOST_WIDE_INT caddr);
  63 extern int pru_get_ctable_base_offset (unsigned HOST_WIDE_INT caddr);
  64
  65 extern void pru_register_abicheck_pass (void);
  66 #endif /* RTX_CODE */
  67
  68 #ifdef TREE_CODE
  69 extern bool pru_return_in_memory (const_tree type, const_tree fntype);
  70 #endif /* TREE_CODE */
  71
  72 #endif /* GCC_PRU_PROTOS_H */