xref: /netbsd-src/external/gpl3/gcc/dist/gcc/config/i386/i386-d.cc (revision b1e838363e3c6fc78a55519254d99869742dd33c)
1 /* Subroutines for the D front end on the x86 architecture.
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 x86 targets.  */
29 
30 void
ix86_d_target_versions(void)31 ix86_d_target_versions (void)
32 {
33   if (TARGET_64BIT)
34     {
35       d_add_builtin_version ("X86_64");
36 
37       if (TARGET_X32)
38 	d_add_builtin_version ("D_X32");
39     }
40   else
41     d_add_builtin_version ("X86");
42 
43   if (TARGET_80387)
44     d_add_builtin_version ("D_HardFloat");
45   else
46     d_add_builtin_version ("D_SoftFloat");
47 }
48 
49 /* Handle a call to `__traits(getTargetInfo, "floatAbi")'.  */
50 
51 static tree
ix86_d_handle_target_float_abi(void)52 ix86_d_handle_target_float_abi (void)
53 {
54   const char *abi;
55 
56   if (! (TARGET_80387 || TARGET_FLOAT_RETURNS_IN_80387))
57     abi = "soft";
58   else
59     abi = "hard";
60 
61   return build_string_literal (strlen (abi) + 1, abi);
62 }
63 
64 /* Handle a call to `__traits(getTargetInfo, "objectFormat")'.  */
65 
66 static tree
ix86_d_handle_target_object_format(void)67 ix86_d_handle_target_object_format (void)
68 {
69   const char *objfmt = NULL;
70 
71   if (TARGET_MACHO)
72     objfmt = "macho";
73   else if (TARGET_COFF || TARGET_PECOFF)
74     objfmt = "coff";
75 
76   if (objfmt == NULL)
77     return NULL_TREE;
78 
79   return build_string_literal (strlen (objfmt) + 1, objfmt);
80 }
81 
82 /* Implement TARGET_D_REGISTER_CPU_TARGET_INFO.  */
83 
84 void
ix86_d_register_target_info(void)85 ix86_d_register_target_info (void)
86 {
87   const struct d_target_info_spec handlers[] = {
88     { "floatAbi", ix86_d_handle_target_float_abi },
89     { "objectFormat", ix86_d_handle_target_object_format },
90     { NULL, NULL },
91   };
92 
93   d_add_target_info_handlers (handlers);
94 }
95 
96 /* Implement TARGET_D_HAS_STDCALL_CONVENTION for x86 targets.  */
97 
98 bool
ix86_d_has_stdcall_convention(unsigned int * link_system,unsigned int * link_windows)99 ix86_d_has_stdcall_convention (unsigned int *link_system,
100 			       unsigned int *link_windows)
101 {
102   if (ix86_abi == MS_ABI)
103     {
104       *link_system = 1;
105       *link_windows = (!TARGET_64BIT) ? 1 : 0;
106     }
107   else
108     {
109       *link_system = 0;
110       *link_windows = 0;
111     }
112 
113   return true;
114 }
115