xref: /netbsd-src/external/gpl3/gcc/dist/gcc/config/s390/s390-d.cc (revision b1e838363e3c6fc78a55519254d99869742dd33c)
1 /* Subroutines for the D front end on the IBM S/390 and zSeries architectures.
2    Copyright (C) 2017-2022 Free Software Foundation, Inc.
3 
4 GCC is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3, or (at your option)
7 any later version.
8 
9 GCC is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 GNU General Public License for more details.
13 
14 You should have received a copy of the GNU General Public License
15 along with GCC; see the file COPYING3.  If not see
16 <http://www.gnu.org/licenses/>.  */
17 
18 #define IN_TARGET_CODE 1
19 
20 #include "config.h"
21 #include "system.h"
22 #include "coretypes.h"
23 #include "tm.h"
24 #include "tm_d.h"
25 #include "d/d-target.h"
26 #include "d/d-target-def.h"
27 
28 /* Implement TARGET_D_CPU_VERSIONS for S/390 and zSeries targets.  */
29 
30 void
s390_d_target_versions(void)31 s390_d_target_versions (void)
32 {
33   if (TARGET_ZARCH)
34     d_add_builtin_version ("SystemZ");
35   else if (TARGET_64BIT)
36     d_add_builtin_version ("S390X");
37   else
38     d_add_builtin_version ("S390");
39 
40   if (TARGET_SOFT_FLOAT)
41     d_add_builtin_version ("D_SoftFloat");
42   else if (TARGET_HARD_FLOAT)
43     d_add_builtin_version ("D_HardFloat");
44 }
45 
46 /* Handle a call to `__traits(getTargetInfo, "floatAbi")'.  */
47 
48 static tree
s390_d_handle_target_float_abi(void)49 s390_d_handle_target_float_abi (void)
50 {
51   const char *abi;
52 
53   if (TARGET_HARD_FLOAT)
54     abi = "hard";
55   else if (TARGET_SOFT_FLOAT)
56     abi = "soft";
57   else
58     abi = "";
59 
60   return build_string_literal (strlen (abi) + 1, abi);
61 }
62 
63 /* Implement TARGET_D_REGISTER_CPU_TARGET_INFO.  */
64 
65 void
s390_d_register_target_info(void)66 s390_d_register_target_info (void)
67 {
68   const struct d_target_info_spec handlers[] = {
69     { "floatAbi", s390_d_handle_target_float_abi },
70     { NULL, NULL },
71   };
72 
73   d_add_target_info_handlers (handlers);
74 }
75