xref: /openbsd-src/gnu/gcc/gcc/rtlhooks-def.h (revision 404b540a9034ac75a6199ad1a32d1bbc7a0d4210)
1 /* Default macros to initialize an rtl_hooks data structure.
2    Copyright 2004, 2005 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 2, 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 COPYING.  If not, write to
18 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
19 Boston, MA 02110-1301, USA.  */
20 
21 #ifndef GCC_RTL_HOOKS_DEF_H
22 #define GCC_RTL_HOOKS_DEF_H
23 
24 #include "rtl.h"
25 
26 #define RTL_HOOKS_GEN_LOWPART gen_lowpart_general
27 #define RTL_HOOKS_GEN_LOWPART_NO_EMIT gen_lowpart_no_emit_general
28 #define RTL_HOOKS_REG_NONZERO_REG_BITS reg_nonzero_bits_general
29 #define RTL_HOOKS_REG_NUM_SIGN_BIT_COPIES reg_num_sign_bit_copies_general
30 #define RTL_HOOKS_REG_TRUNCATED_TO_MODE reg_truncated_to_mode_general
31 
32 /* The structure is defined in rtl.h.  */
33 #define RTL_HOOKS_INITIALIZER {			\
34   RTL_HOOKS_GEN_LOWPART,			\
35   RTL_HOOKS_GEN_LOWPART_NO_EMIT,		\
36   RTL_HOOKS_REG_NONZERO_REG_BITS,		\
37   RTL_HOOKS_REG_NUM_SIGN_BIT_COPIES,		\
38   RTL_HOOKS_REG_TRUNCATED_TO_MODE,		\
39 }
40 
41 extern rtx gen_lowpart_general (enum machine_mode, rtx);
42 extern rtx gen_lowpart_no_emit_general (enum machine_mode, rtx);
43 extern rtx reg_nonzero_bits_general (rtx, enum machine_mode, rtx,
44 				     enum machine_mode,
45 				     unsigned HOST_WIDE_INT,
46 				     unsigned HOST_WIDE_INT *);
47 extern rtx reg_num_sign_bit_copies_general (rtx, enum machine_mode, rtx,
48 					    enum machine_mode,
49 					    unsigned int, unsigned int *);
50 extern bool reg_truncated_to_mode_general (enum machine_mode, rtx);
51 
52 #endif /* GCC_RTL_HOOKS_DEF_H */
53