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      1 /* Default macros to initialize an rtl_hooks data structure.
      2    Copyright (C) 2004-2022 Free Software Foundation, Inc.
      3 
      4 This file is part of GCC.
      5 
      6 GCC is free software; you can redistribute it and/or modify
      7 it under the terms of the GNU General Public License as published by
      8 the Free Software Foundation; either version 3, or (at your option)
      9 any later version.
     10 
     11 GCC is distributed in the hope that it will be useful,
     12 but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14 GNU General Public License for more details.
     15 
     16 You should have received a copy of the GNU General Public License
     17 along with GCC; see the file COPYING3.  If not see
     18 <http://www.gnu.org/licenses/>.  */
     19 
     20 #ifndef GCC_RTL_HOOKS_DEF_H
     21 #define GCC_RTL_HOOKS_DEF_H
     22 
     23 #include "rtl.h"
     24 
     25 #define RTL_HOOKS_GEN_LOWPART gen_lowpart_general
     26 #define RTL_HOOKS_GEN_LOWPART_NO_EMIT gen_lowpart_if_possible
     27 #define RTL_HOOKS_REG_NONZERO_REG_BITS reg_nonzero_bits_general
     28 #define RTL_HOOKS_REG_NUM_SIGN_BIT_COPIES reg_num_sign_bit_copies_general
     29 #define RTL_HOOKS_REG_TRUNCATED_TO_MODE reg_truncated_to_mode_general
     30 
     31 /* The structure is defined in rtl.h.  */
     32 #define RTL_HOOKS_INITIALIZER {			\
     33   RTL_HOOKS_GEN_LOWPART,			\
     34   RTL_HOOKS_GEN_LOWPART_NO_EMIT,		\
     35   RTL_HOOKS_REG_NONZERO_REG_BITS,		\
     36   RTL_HOOKS_REG_NUM_SIGN_BIT_COPIES,		\
     37   RTL_HOOKS_REG_TRUNCATED_TO_MODE		\
     38 }
     39 
     40 extern rtx gen_lowpart_general (machine_mode, rtx);
     41 extern rtx reg_nonzero_bits_general (const_rtx, scalar_int_mode,
     42 				     scalar_int_mode,
     43 				     unsigned HOST_WIDE_INT *);
     44 extern rtx reg_num_sign_bit_copies_general (const_rtx, scalar_int_mode,
     45 					    scalar_int_mode, unsigned int *);
     46 extern bool reg_truncated_to_mode_general (machine_mode, const_rtx);
     47 
     48 #endif /* GCC_RTL_HOOKS_DEF_H */
     49