gcc/config/riscv/riscv-protos.h

   1 /* Definition of RISC-V target for GNU compiler.
   2    Copyright (C) 2011-2019 Free Software Foundation, Inc.
   3    Contributed by Andrew Waterman (andrew@sifive.com).
   4    Based on MIPS target for GNU compiler.
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21
  22 #ifndef GCC_RISCV_PROTOS_H
  23 #define GCC_RISCV_PROTOS_H
  24
  25 /* Symbol types we understand.  The order of this list must match that of
  26    the unspec enum in riscv.md, subsequent to UNSPEC_ADDRESS_FIRST.  */
  27 enum riscv_symbol_type {
  28   SYMBOL_ABSOLUTE,
  29   SYMBOL_PCREL,
  30   SYMBOL_GOT_DISP,
  31   SYMBOL_TLS,
  32   SYMBOL_TLS_LE,
  33   SYMBOL_TLS_IE,
  34   SYMBOL_TLS_GD
  35 };
  36 #define NUM_SYMBOL_TYPES (SYMBOL_TLS_GD + 1)
  37
  38 /* Routines implemented in riscv.c.  */
  39 extern enum riscv_symbol_type riscv_classify_symbolic_expression (rtx);
  40 extern bool riscv_symbolic_constant_p (rtx, enum riscv_symbol_type *);
  41 extern int riscv_regno_mode_ok_for_base_p (int, machine_mode, bool);
  42 extern int riscv_address_insns (rtx, machine_mode, bool);
  43 extern int riscv_const_insns (rtx);
  44 extern int riscv_split_const_insns (rtx);
  45 extern int riscv_load_store_insns (rtx, rtx_insn *);
  46 extern rtx riscv_emit_move (rtx, rtx);
  47 extern bool riscv_split_symbol (rtx, rtx, machine_mode, rtx *, bool);
  48 extern bool riscv_split_symbol_type (enum riscv_symbol_type);
  49 extern rtx riscv_unspec_address (rtx, enum riscv_symbol_type);
  50 extern void riscv_move_integer (rtx, rtx, HOST_WIDE_INT, machine_mode, bool);
  51 extern bool riscv_legitimize_move (machine_mode, rtx, rtx);
  52 extern rtx riscv_subword (rtx, bool);
  53 extern bool riscv_split_64bit_move_p (rtx, rtx);
  54 extern void riscv_split_doubleword_move (rtx, rtx);
  55 extern const char *riscv_output_move (rtx, rtx);
  56 extern const char *riscv_output_gpr_save (unsigned);
  57 extern const char *riscv_output_return ();
  58 #ifdef RTX_CODE
  59 extern void riscv_expand_int_scc (rtx, enum rtx_code, rtx, rtx);
  60 extern void riscv_expand_float_scc (rtx, enum rtx_code, rtx, rtx);
  61 extern void riscv_expand_conditional_branch (rtx, enum rtx_code, rtx, rtx);
  62 extern void riscv_expand_conditional_move (rtx, rtx, rtx, rtx_code, rtx, rtx);
  63 #endif
  64 extern rtx riscv_legitimize_call_address (rtx);
  65 extern void riscv_set_return_address (rtx, rtx);
  66 extern bool riscv_expand_block_move (rtx, rtx, rtx);
  67 extern rtx riscv_return_addr (int, rtx);
  68 extern HOST_WIDE_INT riscv_initial_elimination_offset (int, int);
  69 extern void riscv_expand_prologue (void);
  70 extern void riscv_expand_epilogue (int);
  71 extern bool riscv_epilogue_uses (unsigned int);
  72 extern bool riscv_can_use_return_insn (void);
  73 extern rtx riscv_function_value (const_tree, const_tree, enum machine_mode);
  74 extern bool riscv_expand_block_move (rtx, rtx, rtx);
  75 extern bool riscv_store_data_bypass_p (rtx_insn *, rtx_insn *);
  76
  77 /* Routines implemented in riscv-c.c.  */
  78 void riscv_cpu_cpp_builtins (cpp_reader *);
  79
  80 /* Routines implemented in riscv-d.c  */
  81 extern void riscv_d_target_versions (void);
  82
  83 /* Routines implemented in riscv-builtins.c.  */
  84 extern void riscv_atomic_assign_expand_fenv (tree *, tree *, tree *);
  85 extern rtx riscv_expand_builtin (tree, rtx, rtx, machine_mode, int);
  86 extern tree riscv_builtin_decl (unsigned int, bool);
  87 extern void riscv_init_builtins (void);
  88
  89 /* Routines implemented in riscv-common.c.  */
  90 extern std::string riscv_arch_str ();
  91
  92 #endif /* ! GCC_RISCV_PROTOS_H */