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5a3fe9b6 | 1 | /* XL compiler hardware transactional execution intrinsics |
a5544970 | 2 | Copyright (C) 2013-2019 Free Software Foundation, Inc. |
5a3fe9b6 AK |
3 | Contributed by Andreas Krebbel (Andreas.Krebbel@de.ibm.com) |
4 | ||
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it under | |
8 | the terms of the GNU General Public License as published by the Free | |
9 | Software Foundation; either version 3, or (at your option) any later | |
10 | version. | |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GCC; see the file COPYING3. If not see | |
19 | <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #ifndef _HTMXLINTRIN_H | |
22 | #define _HTMXLINTRIN_H | |
23 | ||
24 | #include <stdint.h> | |
25 | ||
26 | #include <htmintrin.h> | |
27 | ||
28 | #ifdef __cplusplus | |
29 | extern "C" { | |
30 | #endif | |
31 | ||
32 | /* These intrinsics are being made available for compatibility with | |
33 | the IBM XL compiler. For documentation please see the "z/OS XL | |
631b20a7 | 34 | C/C++ Programming Guide" publicly available on the web. */ |
5a3fe9b6 | 35 | |
2561451d AK |
36 | /* FIXME: __TM_simple_begin and __TM_begin should be marked |
37 | __always_inline__ as well but this currently produces an error | |
38 | since the tbegin builtins are "returns_twice" and setjmp_call_p | |
39 | (calls.c) therefore identifies the functions as calling setjmp. | |
40 | The tree inliner currently refuses to inline functions calling | |
41 | setjmp. */ | |
42 | ||
43 | long | |
5a3fe9b6 AK |
44 | __TM_simple_begin () |
45 | { | |
46 | return __builtin_tbegin_nofloat (0); | |
47 | } | |
48 | ||
2561451d | 49 | long |
5a3fe9b6 AK |
50 | __TM_begin (void* const tdb) |
51 | { | |
52 | return __builtin_tbegin_nofloat (tdb); | |
53 | } | |
54 | ||
55 | extern __inline long __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
56 | __TM_end () | |
57 | { | |
58 | return __builtin_tend (); | |
59 | } | |
60 | ||
61 | extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
62 | __TM_abort () | |
63 | { | |
64 | return __builtin_tabort (_HTM_FIRST_USER_ABORT_CODE); | |
65 | } | |
66 | ||
67 | extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
68 | __TM_named_abort (unsigned char const code) | |
69 | { | |
70 | return __builtin_tabort ((int)_HTM_FIRST_USER_ABORT_CODE + code); | |
71 | } | |
72 | ||
73 | extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
74 | __TM_non_transactional_store (void* const addr, long long const value) | |
75 | { | |
76 | __builtin_non_tx_store ((uint64_t*)addr, (uint64_t)value); | |
77 | } | |
78 | ||
79 | extern __inline long __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
80 | __TM_nesting_depth (void* const tdb_ptr) | |
81 | { | |
82 | int depth = __builtin_tx_nesting_depth (); | |
83 | struct __htm_tdb *tdb = (struct __htm_tdb*)tdb_ptr; | |
84 | ||
85 | if (depth != 0) | |
86 | return depth; | |
87 | ||
2561451d | 88 | if (tdb->format != 1) |
5a3fe9b6 AK |
89 | return 0; |
90 | return tdb->nesting_depth; | |
91 | } | |
92 | ||
93 | /* Transaction failure diagnostics */ | |
94 | ||
95 | extern __inline long __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
96 | __TM_is_user_abort (void* const tdb_ptr) | |
97 | { | |
98 | struct __htm_tdb *tdb = (struct __htm_tdb*)tdb_ptr; | |
99 | ||
2561451d | 100 | if (tdb->format != 1) |
5a3fe9b6 AK |
101 | return 0; |
102 | ||
103 | return !!(tdb->abort_code >= _HTM_FIRST_USER_ABORT_CODE); | |
104 | } | |
105 | ||
106 | extern __inline long __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
107 | __TM_is_named_user_abort (void* const tdb_ptr, unsigned char* code) | |
108 | { | |
109 | struct __htm_tdb *tdb = (struct __htm_tdb*)tdb_ptr; | |
110 | ||
2561451d | 111 | if (tdb->format != 1) |
5a3fe9b6 AK |
112 | return 0; |
113 | ||
114 | if (tdb->abort_code >= _HTM_FIRST_USER_ABORT_CODE) | |
115 | { | |
116 | *code = tdb->abort_code - _HTM_FIRST_USER_ABORT_CODE; | |
117 | return 1; | |
118 | } | |
119 | return 0; | |
120 | } | |
121 | ||
122 | extern __inline long __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
123 | __TM_is_illegal (void* const tdb_ptr) | |
124 | { | |
125 | struct __htm_tdb *tdb = (struct __htm_tdb*)tdb_ptr; | |
126 | ||
2561451d | 127 | return (tdb->format == 1 |
5a3fe9b6 AK |
128 | && (tdb->abort_code == 4 /* unfiltered program interruption */ |
129 | || tdb->abort_code == 11 /* restricted instruction */)); | |
130 | } | |
131 | ||
132 | extern __inline long __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
133 | __TM_is_footprint_exceeded (void* const tdb_ptr) | |
134 | { | |
135 | struct __htm_tdb *tdb = (struct __htm_tdb*)tdb_ptr; | |
136 | ||
2561451d | 137 | return (tdb->format == 1 |
5a3fe9b6 AK |
138 | && (tdb->abort_code == 7 /* fetch overflow */ |
139 | || tdb->abort_code == 8 /* store overflow */)); | |
140 | } | |
141 | ||
142 | extern __inline long __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
143 | __TM_is_nested_too_deep (void* const tdb_ptr) | |
144 | { | |
145 | struct __htm_tdb *tdb = (struct __htm_tdb*)tdb_ptr; | |
146 | ||
2561451d | 147 | return tdb->format == 1 && tdb->abort_code == 13; /* depth exceeded */ |
5a3fe9b6 AK |
148 | } |
149 | ||
150 | extern __inline long __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
151 | __TM_is_conflict (void* const tdb_ptr) | |
152 | { | |
153 | struct __htm_tdb *tdb = (struct __htm_tdb*)tdb_ptr; | |
154 | ||
2561451d | 155 | return (tdb->format == 1 |
5a3fe9b6 AK |
156 | && (tdb->abort_code == 9 /* fetch conflict */ |
157 | || tdb->abort_code == 10 /* store conflict */)); | |
158 | } | |
159 | ||
160 | extern __inline long __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
161 | __TM_is_failure_persistent (long const result) | |
162 | { | |
163 | return result == _HTM_TBEGIN_PERSISTENT; | |
164 | } | |
165 | ||
166 | extern __inline long __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
167 | __TM_failure_address (void* const tdb_ptr) | |
168 | { | |
169 | struct __htm_tdb *tdb = (struct __htm_tdb*)tdb_ptr; | |
170 | #ifdef __s390x__ | |
171 | return tdb->atia; | |
172 | #else | |
173 | return tdb->atia & 0xffffffff; | |
174 | #endif | |
175 | } | |
176 | ||
177 | extern __inline long __attribute__((__gnu_inline__, __always_inline__, __artificial__)) | |
178 | __TM_failure_code (void* const tdb_ptr) | |
179 | { | |
180 | struct __htm_tdb *tdb = (struct __htm_tdb*)tdb_ptr; | |
181 | ||
182 | return tdb->abort_code; | |
183 | } | |
184 | ||
185 | #ifdef __cplusplus | |
186 | } | |
187 | #endif | |
188 | ||
189 | #endif /* _HTMXLINTRIN_H */ |