1 /*-
2 * Copyright (c) 2015-2024 Ruslan Bukin <br@bsdpad.com>
3 * All rights reserved.
4 *
5 * Portions of this software were developed by SRI International and the
6 * University of Cambridge Computer Laboratory under DARPA/AFRL contract
7 * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
8 *
9 * Portions of this software were developed by the University of Cambridge
10 * Computer Laboratory as part of the CTSRD Project, with support from the
11 * UK Higher Education Innovation Fund (HEIF).
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35 #ifndef _MACHINE_ATOMIC_H_
36 #define _MACHINE_ATOMIC_H_
37
38 #include <sys/atomic_common.h>
39
40 #define fence() __asm __volatile("fence" ::: "memory");
41 #define mb() fence()
42 #define rmb() fence()
43 #define wmb() fence()
44
45 static __inline int atomic_cmpset_8(__volatile uint8_t *, uint8_t, uint8_t);
46 static __inline int atomic_fcmpset_8(__volatile uint8_t *, uint8_t *, uint8_t);
47 static __inline int atomic_cmpset_16(__volatile uint16_t *, uint16_t, uint16_t);
48 static __inline int atomic_fcmpset_16(__volatile uint16_t *, uint16_t *,
49 uint16_t);
50
51 #define ATOMIC_ACQ_REL(NAME, WIDTH) \
52 static __inline void \
53 atomic_##NAME##_acq_##WIDTH(__volatile uint##WIDTH##_t *p, uint##WIDTH##_t v)\
54 { \
55 atomic_##NAME##_##WIDTH(p, v); \
56 fence(); \
57 } \
58 \
59 static __inline void \
60 atomic_##NAME##_rel_##WIDTH(__volatile uint##WIDTH##_t *p, uint##WIDTH##_t v)\
61 { \
62 fence(); \
63 atomic_##NAME##_##WIDTH(p, v); \
64 }
65
66 #define ATOMIC_CMPSET_ACQ_REL(WIDTH) \
67 static __inline int \
68 atomic_cmpset_acq_##WIDTH(__volatile uint##WIDTH##_t *p, \
69 uint##WIDTH##_t cmpval, uint##WIDTH##_t newval) \
70 { \
71 int retval; \
72 \
73 retval = atomic_cmpset_##WIDTH(p, cmpval, newval); \
74 fence(); \
75 return (retval); \
76 } \
77 \
78 static __inline int \
79 atomic_cmpset_rel_##WIDTH(__volatile uint##WIDTH##_t *p, \
80 uint##WIDTH##_t cmpval, uint##WIDTH##_t newval) \
81 { \
82 fence(); \
83 return (atomic_cmpset_##WIDTH(p, cmpval, newval)); \
84 }
85
86 #define ATOMIC_FCMPSET_ACQ_REL(WIDTH) \
87 static __inline int \
88 atomic_fcmpset_acq_##WIDTH(__volatile uint##WIDTH##_t *p, \
89 uint##WIDTH##_t *cmpval, uint##WIDTH##_t newval) \
90 { \
91 int retval; \
92 \
93 retval = atomic_fcmpset_##WIDTH(p, cmpval, newval); \
94 fence(); \
95 return (retval); \
96 } \
97 \
98 static __inline int \
99 atomic_fcmpset_rel_##WIDTH(__volatile uint##WIDTH##_t *p, \
100 uint##WIDTH##_t *cmpval, uint##WIDTH##_t newval) \
101 { \
102 fence(); \
103 return (atomic_fcmpset_##WIDTH(p, cmpval, newval)); \
104 }
105
106 ATOMIC_CMPSET_ACQ_REL(8);
107 ATOMIC_FCMPSET_ACQ_REL(8);
108
109 #define atomic_cmpset_char atomic_cmpset_8
110 #define atomic_cmpset_acq_char atomic_cmpset_acq_8
111 #define atomic_cmpset_rel_char atomic_cmpset_rel_8
112 #define atomic_fcmpset_char atomic_fcmpset_8
113 #define atomic_fcmpset_acq_char atomic_fcmpset_acq_8
114 #define atomic_fcmpset_rel_char atomic_fcmpset_rel_8
115
116 #define atomic_cmpset_short atomic_cmpset_16
117 #define atomic_fcmpset_short atomic_fcmpset_16
118
119 ATOMIC_CMPSET_ACQ_REL(16);
120 ATOMIC_FCMPSET_ACQ_REL(16);
121
122 #define atomic_load_acq_16 atomic_load_acq_16
123 static __inline uint16_t
atomic_load_acq_16(volatile uint16_t * p)124 atomic_load_acq_16(volatile uint16_t *p)
125 {
126 uint16_t ret;
127
128 ret = *p;
129
130 fence();
131
132 return (ret);
133 }
134
135 static __inline void
atomic_store_rel_16(volatile uint16_t * p,uint16_t val)136 atomic_store_rel_16(volatile uint16_t *p, uint16_t val)
137 {
138
139 fence();
140
141 *p = val;
142 }
143
144 #define atomic_cmpset_acq_short atomic_cmpset_acq_16
145 #define atomic_fcmpset_acq_short atomic_fcmpset_acq_16
146 #define atomic_load_acq_short atomic_load_acq_16
147
148 #define atomic_cmpset_rel_short atomic_cmpset_rel_16
149 #define atomic_fcmpset_rel_short atomic_fcmpset_rel_16
150 #define atomic_store_rel_short atomic_store_rel_16
151
152 static __inline void
atomic_add_32(volatile uint32_t * p,uint32_t val)153 atomic_add_32(volatile uint32_t *p, uint32_t val)
154 {
155
156 __asm __volatile("amoadd.w zero, %1, %0"
157 : "+A" (*p)
158 : "r" (val)
159 : "memory");
160 }
161
162 static __inline void
atomic_subtract_32(volatile uint32_t * p,uint32_t val)163 atomic_subtract_32(volatile uint32_t *p, uint32_t val)
164 {
165
166 __asm __volatile("amoadd.w zero, %1, %0"
167 : "+A" (*p)
168 : "r" (-val)
169 : "memory");
170 }
171
172 static __inline void
atomic_set_32(volatile uint32_t * p,uint32_t val)173 atomic_set_32(volatile uint32_t *p, uint32_t val)
174 {
175
176 __asm __volatile("amoor.w zero, %1, %0"
177 : "+A" (*p)
178 : "r" (val)
179 : "memory");
180 }
181
182 static __inline void
atomic_clear_32(volatile uint32_t * p,uint32_t val)183 atomic_clear_32(volatile uint32_t *p, uint32_t val)
184 {
185
186 __asm __volatile("amoand.w zero, %1, %0"
187 : "+A" (*p)
188 : "r" (~val)
189 : "memory");
190 }
191
192 static __inline int
atomic_cmpset_32(volatile uint32_t * p,uint32_t cmpval,uint32_t newval)193 atomic_cmpset_32(volatile uint32_t *p, uint32_t cmpval, uint32_t newval)
194 {
195 uint32_t tmp;
196 int res;
197
198 res = 0;
199
200 __asm __volatile(
201 "0:"
202 "li %1, 1\n" /* Preset to fail */
203 "lr.w %0, %2\n"
204 "bne %0, %z3, 1f\n"
205 "sc.w %1, %z4, %2\n"
206 "bnez %1, 0b\n"
207 "1:"
208 : "=&r" (tmp), "=&r" (res), "+A" (*p)
209 : "rJ" ((long)(int32_t)cmpval), "rJ" (newval)
210 : "memory");
211
212 return (!res);
213 }
214
215 static __inline int
atomic_fcmpset_32(volatile uint32_t * p,uint32_t * cmpval,uint32_t newval)216 atomic_fcmpset_32(volatile uint32_t *p, uint32_t *cmpval, uint32_t newval)
217 {
218 uint32_t tmp;
219 int res;
220
221 res = 0;
222
223 __asm __volatile(
224 "0:"
225 "li %1, 1\n" /* Preset to fail */
226 "lr.w %0, %2\n" /* Load old value */
227 "bne %0, %z4, 1f\n" /* Compare */
228 "sc.w %1, %z5, %2\n" /* Try to store new value */
229 "j 2f\n"
230 "1:"
231 "sw %0, %3\n" /* Save old value */
232 "2:"
233 : "=&r" (tmp), "=&r" (res), "+A" (*p), "+A" (*cmpval)
234 : "rJ" ((long)(int32_t)*cmpval), "rJ" (newval)
235 : "memory");
236
237 return (!res);
238 }
239
240 static __inline uint32_t
atomic_fetchadd_32(volatile uint32_t * p,uint32_t val)241 atomic_fetchadd_32(volatile uint32_t *p, uint32_t val)
242 {
243 uint32_t ret;
244
245 __asm __volatile("amoadd.w %0, %2, %1"
246 : "=&r" (ret), "+A" (*p)
247 : "r" (val)
248 : "memory");
249
250 return (ret);
251 }
252
253 static __inline uint32_t
atomic_readandclear_32(volatile uint32_t * p)254 atomic_readandclear_32(volatile uint32_t *p)
255 {
256 uint32_t ret;
257 uint32_t val;
258
259 val = 0;
260
261 __asm __volatile("amoswap.w %0, %2, %1"
262 : "=&r"(ret), "+A" (*p)
263 : "r" (val)
264 : "memory");
265
266 return (ret);
267 }
268
269 static __inline int
atomic_testandclear_32(volatile uint32_t * p,u_int val)270 atomic_testandclear_32(volatile uint32_t *p, u_int val)
271 {
272 uint32_t mask, old;
273
274 mask = 1u << (val & 31);
275 __asm __volatile("amoand.w %0, %2, %1"
276 : "=&r" (old), "+A" (*p)
277 : "r" (~mask)
278 : "memory");
279
280 return ((old & mask) != 0);
281 }
282
283 static __inline int
atomic_testandset_32(volatile uint32_t * p,u_int val)284 atomic_testandset_32(volatile uint32_t *p, u_int val)
285 {
286 uint32_t mask, old;
287
288 mask = 1u << (val & 31);
289 __asm __volatile("amoor.w %0, %2, %1"
290 : "=&r" (old), "+A" (*p)
291 : "r" (mask)
292 : "memory");
293
294 return ((old & mask) != 0);
295 }
296
297 #define atomic_add_int atomic_add_32
298 #define atomic_clear_int atomic_clear_32
299 #define atomic_cmpset_int atomic_cmpset_32
300 #define atomic_fcmpset_int atomic_fcmpset_32
301 #define atomic_fetchadd_int atomic_fetchadd_32
302 #define atomic_readandclear_int atomic_readandclear_32
303 #define atomic_set_int atomic_set_32
304 #define atomic_subtract_int atomic_subtract_32
305
306 ATOMIC_ACQ_REL(set, 32)
307 ATOMIC_ACQ_REL(clear, 32)
308 ATOMIC_ACQ_REL(add, 32)
309 ATOMIC_ACQ_REL(subtract, 32)
310
311 ATOMIC_CMPSET_ACQ_REL(32);
312 ATOMIC_FCMPSET_ACQ_REL(32);
313
314 static __inline uint32_t
atomic_load_acq_32(volatile uint32_t * p)315 atomic_load_acq_32(volatile uint32_t *p)
316 {
317 uint32_t ret;
318
319 ret = *p;
320
321 fence();
322
323 return (ret);
324 }
325
326 static __inline void
atomic_store_rel_32(volatile uint32_t * p,uint32_t val)327 atomic_store_rel_32(volatile uint32_t *p, uint32_t val)
328 {
329
330 fence();
331
332 *p = val;
333 }
334
335 #define atomic_add_acq_int atomic_add_acq_32
336 #define atomic_clear_acq_int atomic_clear_acq_32
337 #define atomic_cmpset_acq_int atomic_cmpset_acq_32
338 #define atomic_fcmpset_acq_int atomic_fcmpset_acq_32
339 #define atomic_load_acq_int atomic_load_acq_32
340 #define atomic_set_acq_int atomic_set_acq_32
341 #define atomic_subtract_acq_int atomic_subtract_acq_32
342
343 #define atomic_add_rel_int atomic_add_rel_32
344 #define atomic_clear_rel_int atomic_clear_rel_32
345 #define atomic_cmpset_rel_int atomic_cmpset_rel_32
346 #define atomic_fcmpset_rel_int atomic_fcmpset_rel_32
347 #define atomic_set_rel_int atomic_set_rel_32
348 #define atomic_subtract_rel_int atomic_subtract_rel_32
349 #define atomic_store_rel_int atomic_store_rel_32
350
351 static __inline void
atomic_add_64(volatile uint64_t * p,uint64_t val)352 atomic_add_64(volatile uint64_t *p, uint64_t val)
353 {
354
355 __asm __volatile("amoadd.d zero, %1, %0"
356 : "+A" (*p)
357 : "r" (val)
358 : "memory");
359 }
360
361 static __inline void
atomic_subtract_64(volatile uint64_t * p,uint64_t val)362 atomic_subtract_64(volatile uint64_t *p, uint64_t val)
363 {
364
365 __asm __volatile("amoadd.d zero, %1, %0"
366 : "+A" (*p)
367 : "r" (-val)
368 : "memory");
369 }
370
371 static __inline void
atomic_set_64(volatile uint64_t * p,uint64_t val)372 atomic_set_64(volatile uint64_t *p, uint64_t val)
373 {
374
375 __asm __volatile("amoor.d zero, %1, %0"
376 : "+A" (*p)
377 : "r" (val)
378 : "memory");
379 }
380
381 static __inline void
atomic_clear_64(volatile uint64_t * p,uint64_t val)382 atomic_clear_64(volatile uint64_t *p, uint64_t val)
383 {
384
385 __asm __volatile("amoand.d zero, %1, %0"
386 : "+A" (*p)
387 : "r" (~val)
388 : "memory");
389 }
390
391 static __inline int
atomic_cmpset_64(volatile uint64_t * p,uint64_t cmpval,uint64_t newval)392 atomic_cmpset_64(volatile uint64_t *p, uint64_t cmpval, uint64_t newval)
393 {
394 uint64_t tmp;
395 int res;
396
397 res = 0;
398
399 __asm __volatile(
400 "0:"
401 "li %1, 1\n" /* Preset to fail */
402 "lr.d %0, %2\n"
403 "bne %0, %z3, 1f\n"
404 "sc.d %1, %z4, %2\n"
405 "bnez %1, 0b\n"
406 "1:"
407 : "=&r" (tmp), "=&r" (res), "+A" (*p)
408 : "rJ" (cmpval), "rJ" (newval)
409 : "memory");
410
411 return (!res);
412 }
413
414 static __inline int
atomic_fcmpset_64(volatile uint64_t * p,uint64_t * cmpval,uint64_t newval)415 atomic_fcmpset_64(volatile uint64_t *p, uint64_t *cmpval, uint64_t newval)
416 {
417 uint64_t tmp;
418 int res;
419
420 res = 0;
421
422 __asm __volatile(
423 "0:"
424 "li %1, 1\n" /* Preset to fail */
425 "lr.d %0, %2\n" /* Load old value */
426 "bne %0, %z4, 1f\n" /* Compare */
427 "sc.d %1, %z5, %2\n" /* Try to store new value */
428 "j 2f\n"
429 "1:"
430 "sd %0, %3\n" /* Save old value */
431 "2:"
432 : "=&r" (tmp), "=&r" (res), "+A" (*p), "+A" (*cmpval)
433 : "rJ" (*cmpval), "rJ" (newval)
434 : "memory");
435
436 return (!res);
437 }
438
439 static __inline uint64_t
atomic_fetchadd_64(volatile uint64_t * p,uint64_t val)440 atomic_fetchadd_64(volatile uint64_t *p, uint64_t val)
441 {
442 uint64_t ret;
443
444 __asm __volatile("amoadd.d %0, %2, %1"
445 : "=&r" (ret), "+A" (*p)
446 : "r" (val)
447 : "memory");
448
449 return (ret);
450 }
451
452 static __inline uint64_t
atomic_readandclear_64(volatile uint64_t * p)453 atomic_readandclear_64(volatile uint64_t *p)
454 {
455 uint64_t ret;
456 uint64_t val;
457
458 val = 0;
459
460 __asm __volatile("amoswap.d %0, %2, %1"
461 : "=&r"(ret), "+A" (*p)
462 : "r" (val)
463 : "memory");
464
465 return (ret);
466 }
467
468 static __inline int
atomic_testandclear_64(volatile uint64_t * p,u_int val)469 atomic_testandclear_64(volatile uint64_t *p, u_int val)
470 {
471 uint64_t mask, old;
472
473 mask = 1ul << (val & 63);
474 __asm __volatile("amoand.d %0, %2, %1"
475 : "=&r" (old), "+A" (*p)
476 : "r" (~mask)
477 : "memory");
478
479 return ((old & mask) != 0);
480 }
481
482 static __inline int
atomic_testandset_64(volatile uint64_t * p,u_int val)483 atomic_testandset_64(volatile uint64_t *p, u_int val)
484 {
485 uint64_t mask, old;
486
487 mask = 1ul << (val & 63);
488 __asm __volatile("amoor.d %0, %2, %1"
489 : "=&r" (old), "+A" (*p)
490 : "r" (mask)
491 : "memory");
492
493 return ((old & mask) != 0);
494 }
495
496 static __inline int
atomic_testandset_acq_64(volatile uint64_t * p,u_int val)497 atomic_testandset_acq_64(volatile uint64_t *p, u_int val)
498 {
499 uint64_t mask, old;
500
501 mask = 1ul << (val & 63);
502 __asm __volatile("amoor.d.aq %0, %2, %1"
503 : "=&r" (old), "+A" (*p)
504 : "r" (mask)
505 : "memory");
506
507 return ((old & mask) != 0);
508 }
509
510 static __inline uint32_t
atomic_swap_32(volatile uint32_t * p,uint32_t val)511 atomic_swap_32(volatile uint32_t *p, uint32_t val)
512 {
513 uint32_t old;
514
515 __asm __volatile("amoswap.w %0, %2, %1"
516 : "=&r"(old), "+A" (*p)
517 : "r" (val)
518 : "memory");
519
520 return (old);
521 }
522
523 static __inline uint64_t
atomic_swap_64(volatile uint64_t * p,uint64_t val)524 atomic_swap_64(volatile uint64_t *p, uint64_t val)
525 {
526 uint64_t old;
527
528 __asm __volatile("amoswap.d %0, %2, %1"
529 : "=&r"(old), "+A" (*p)
530 : "r" (val)
531 : "memory");
532
533 return (old);
534 }
535
536 #define atomic_swap_int atomic_swap_32
537
538 #define atomic_add_long atomic_add_64
539 #define atomic_clear_long atomic_clear_64
540 #define atomic_cmpset_long atomic_cmpset_64
541 #define atomic_fcmpset_long atomic_fcmpset_64
542 #define atomic_fetchadd_long atomic_fetchadd_64
543 #define atomic_readandclear_long atomic_readandclear_64
544 #define atomic_set_long atomic_set_64
545 #define atomic_subtract_long atomic_subtract_64
546 #define atomic_swap_long atomic_swap_64
547 #define atomic_testandclear_long atomic_testandclear_64
548 #define atomic_testandset_long atomic_testandset_64
549 #define atomic_testandset_acq_long atomic_testandset_acq_64
550
551 #define atomic_add_ptr atomic_add_64
552 #define atomic_clear_ptr atomic_clear_64
553 #define atomic_cmpset_ptr atomic_cmpset_64
554 #define atomic_fcmpset_ptr atomic_fcmpset_64
555 #define atomic_fetchadd_ptr atomic_fetchadd_64
556 #define atomic_readandclear_ptr atomic_readandclear_64
557 #define atomic_set_ptr atomic_set_64
558 #define atomic_subtract_ptr atomic_subtract_64
559 #define atomic_swap_ptr atomic_swap_64
560 #define atomic_testandclear_ptr atomic_testandclear_64
561 #define atomic_testandset_ptr atomic_testandset_64
562
563 ATOMIC_ACQ_REL(set, 64)
564 ATOMIC_ACQ_REL(clear, 64)
565 ATOMIC_ACQ_REL(add, 64)
566 ATOMIC_ACQ_REL(subtract, 64)
567
568 ATOMIC_CMPSET_ACQ_REL(64);
569 ATOMIC_FCMPSET_ACQ_REL(64);
570
571 static __inline uint64_t
atomic_load_acq_64(volatile uint64_t * p)572 atomic_load_acq_64(volatile uint64_t *p)
573 {
574 uint64_t ret;
575
576 ret = *p;
577
578 fence();
579
580 return (ret);
581 }
582
583 static __inline void
atomic_store_rel_64(volatile uint64_t * p,uint64_t val)584 atomic_store_rel_64(volatile uint64_t *p, uint64_t val)
585 {
586
587 fence();
588
589 *p = val;
590 }
591
592 #define atomic_add_acq_long atomic_add_acq_64
593 #define atomic_clear_acq_long atomic_clear_acq_64
594 #define atomic_cmpset_acq_long atomic_cmpset_acq_64
595 #define atomic_fcmpset_acq_long atomic_fcmpset_acq_64
596 #define atomic_load_acq_long atomic_load_acq_64
597 #define atomic_set_acq_long atomic_set_acq_64
598 #define atomic_subtract_acq_long atomic_subtract_acq_64
599
600 #define atomic_add_acq_ptr atomic_add_acq_64
601 #define atomic_clear_acq_ptr atomic_clear_acq_64
602 #define atomic_cmpset_acq_ptr atomic_cmpset_acq_64
603 #define atomic_fcmpset_acq_ptr atomic_fcmpset_acq_64
604 #define atomic_load_acq_ptr atomic_load_acq_64
605 #define atomic_set_acq_ptr atomic_set_acq_64
606 #define atomic_subtract_acq_ptr atomic_subtract_acq_64
607
608 #undef ATOMIC_ACQ_REL
609
610 static __inline void
atomic_thread_fence_acq(void)611 atomic_thread_fence_acq(void)
612 {
613
614 fence();
615 }
616
617 static __inline void
atomic_thread_fence_rel(void)618 atomic_thread_fence_rel(void)
619 {
620
621 fence();
622 }
623
624 static __inline void
atomic_thread_fence_acq_rel(void)625 atomic_thread_fence_acq_rel(void)
626 {
627
628 fence();
629 }
630
631 static __inline void
atomic_thread_fence_seq_cst(void)632 atomic_thread_fence_seq_cst(void)
633 {
634
635 fence();
636 }
637
638 #define atomic_add_rel_long atomic_add_rel_64
639 #define atomic_clear_rel_long atomic_clear_rel_64
640
641 #define atomic_add_rel_long atomic_add_rel_64
642 #define atomic_clear_rel_long atomic_clear_rel_64
643 #define atomic_cmpset_rel_long atomic_cmpset_rel_64
644 #define atomic_fcmpset_rel_long atomic_fcmpset_rel_64
645 #define atomic_set_rel_long atomic_set_rel_64
646 #define atomic_subtract_rel_long atomic_subtract_rel_64
647 #define atomic_store_rel_long atomic_store_rel_64
648
649 #define atomic_add_rel_ptr atomic_add_rel_64
650 #define atomic_clear_rel_ptr atomic_clear_rel_64
651 #define atomic_cmpset_rel_ptr atomic_cmpset_rel_64
652 #define atomic_fcmpset_rel_ptr atomic_fcmpset_rel_64
653 #define atomic_set_rel_ptr atomic_set_rel_64
654 #define atomic_subtract_rel_ptr atomic_subtract_rel_64
655 #define atomic_store_rel_ptr atomic_store_rel_64
656
657 #include <sys/_atomic_subword.h>
658
659 #endif /* _MACHINE_ATOMIC_H_ */
660