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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 *
4 * Copyright (C) 2002,2003 Jun Nakajima <jun.nakajima@intel.com>
5 * Copyright (C) 2002,2003 Suresh Siddha <suresh.b.siddha@intel.com>
6 */
7#ifndef _UAPI_ASM_IA64_GCC_INTRIN_H
8#define _UAPI_ASM_IA64_GCC_INTRIN_H
9
10#include <linux/types.h>
11#include <linux/compiler.h>
12
13/* define this macro to get some asm stmts included in 'c' files */
14#define ASM_SUPPORTED
15
16/* Optimization barrier */
17/* The "volatile" is due to gcc bugs */
18#define ia64_barrier() asm volatile ("":::"memory")
19
20#define ia64_stop() asm volatile (";;"::)
21
22#define ia64_invala_gr(regnum) asm volatile ("invala.e r%0" :: "i"(regnum))
23
24#define ia64_invala_fr(regnum) asm volatile ("invala.e f%0" :: "i"(regnum))
25
26#define ia64_flushrs() asm volatile ("flushrs;;":::"memory")
27
28#define ia64_loadrs() asm volatile ("loadrs;;":::"memory")
29
30extern void ia64_bad_param_for_setreg (void);
31extern void ia64_bad_param_for_getreg (void);
32
33
34#define ia64_setreg(regnum, val) \
35({ \
36 switch (regnum) { \
37 case _IA64_REG_PSR_L: \
38 asm volatile ("mov psr.l=%0" :: "r"(val) : "memory"); \
39 break; \
40 case _IA64_REG_AR_KR0 ... _IA64_REG_AR_EC: \
41 asm volatile ("mov ar%0=%1" :: \
42 "i" (regnum - _IA64_REG_AR_KR0), \
43 "r"(val): "memory"); \
44 break; \
45 case _IA64_REG_CR_DCR ... _IA64_REG_CR_LRR1: \
46 asm volatile ("mov cr%0=%1" :: \
47 "i" (regnum - _IA64_REG_CR_DCR), \
48 "r"(val): "memory" ); \
49 break; \
50 case _IA64_REG_SP: \
51 asm volatile ("mov r12=%0" :: \
52 "r"(val): "memory"); \
53 break; \
54 case _IA64_REG_GP: \
55 asm volatile ("mov gp=%0" :: "r"(val) : "memory"); \
56 break; \
57 default: \
58 ia64_bad_param_for_setreg(); \
59 break; \
60 } \
61})
62
63#define ia64_getreg(regnum) \
64({ \
65 __u64 ia64_intri_res; \
66 \
67 switch (regnum) { \
68 case _IA64_REG_GP: \
69 asm volatile ("mov %0=gp" : "=r"(ia64_intri_res)); \
70 break; \
71 case _IA64_REG_IP: \
72 asm volatile ("mov %0=ip" : "=r"(ia64_intri_res)); \
73 break; \
74 case _IA64_REG_PSR: \
75 asm volatile ("mov %0=psr" : "=r"(ia64_intri_res)); \
76 break; \
77 case _IA64_REG_TP: /* for current() */ \
78 ia64_intri_res = ia64_r13; \
79 break; \
80 case _IA64_REG_AR_KR0 ... _IA64_REG_AR_EC: \
81 asm volatile ("mov %0=ar%1" : "=r" (ia64_intri_res) \
82 : "i"(regnum - _IA64_REG_AR_KR0)); \
83 break; \
84 case _IA64_REG_CR_DCR ... _IA64_REG_CR_LRR1: \
85 asm volatile ("mov %0=cr%1" : "=r" (ia64_intri_res) \
86 : "i" (regnum - _IA64_REG_CR_DCR)); \
87 break; \
88 case _IA64_REG_SP: \
89 asm volatile ("mov %0=sp" : "=r" (ia64_intri_res)); \
90 break; \
91 default: \
92 ia64_bad_param_for_getreg(); \
93 break; \
94 } \
95 ia64_intri_res; \
96})
97
98#define ia64_hint_pause 0
99
100#define ia64_hint(mode) \
101({ \
102 switch (mode) { \
103 case ia64_hint_pause: \
104 asm volatile ("hint @pause" ::: "memory"); \
105 break; \
106 } \
107})
108
109
110/* Integer values for mux1 instruction */
111#define ia64_mux1_brcst 0
112#define ia64_mux1_mix 8
113#define ia64_mux1_shuf 9
114#define ia64_mux1_alt 10
115#define ia64_mux1_rev 11
116
117#define ia64_mux1(x, mode) \
118({ \
119 __u64 ia64_intri_res; \
120 \
121 switch (mode) { \
122 case ia64_mux1_brcst: \
123 asm ("mux1 %0=%1,@brcst" : "=r" (ia64_intri_res) : "r" (x)); \
124 break; \
125 case ia64_mux1_mix: \
126 asm ("mux1 %0=%1,@mix" : "=r" (ia64_intri_res) : "r" (x)); \
127 break; \
128 case ia64_mux1_shuf: \
129 asm ("mux1 %0=%1,@shuf" : "=r" (ia64_intri_res) : "r" (x)); \
130 break; \
131 case ia64_mux1_alt: \
132 asm ("mux1 %0=%1,@alt" : "=r" (ia64_intri_res) : "r" (x)); \
133 break; \
134 case ia64_mux1_rev: \
135 asm ("mux1 %0=%1,@rev" : "=r" (ia64_intri_res) : "r" (x)); \
136 break; \
137 } \
138 ia64_intri_res; \
139})
140
141#if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
142# define ia64_popcnt(x) __builtin_popcountl(x)
143#else
144# define ia64_popcnt(x) \
145 ({ \
146 __u64 ia64_intri_res; \
147 asm ("popcnt %0=%1" : "=r" (ia64_intri_res) : "r" (x)); \
148 \
149 ia64_intri_res; \
150 })
151#endif
152
153#define ia64_getf_exp(x) \
154({ \
155 long ia64_intri_res; \
156 \
157 asm ("getf.exp %0=%1" : "=r"(ia64_intri_res) : "f"(x)); \
158 \
159 ia64_intri_res; \
160})
161
162#define ia64_shrp(a, b, count) \
163({ \
164 __u64 ia64_intri_res; \
165 asm ("shrp %0=%1,%2,%3" : "=r"(ia64_intri_res) : "r"(a), "r"(b), "i"(count)); \
166 ia64_intri_res; \
167})
168
169#define ia64_ldfs(regnum, x) \
170({ \
171 register double __f__ asm ("f"#regnum); \
172 asm volatile ("ldfs %0=[%1]" :"=f"(__f__): "r"(x)); \
173})
174
175#define ia64_ldfd(regnum, x) \
176({ \
177 register double __f__ asm ("f"#regnum); \
178 asm volatile ("ldfd %0=[%1]" :"=f"(__f__): "r"(x)); \
179})
180
181#define ia64_ldfe(regnum, x) \
182({ \
183 register double __f__ asm ("f"#regnum); \
184 asm volatile ("ldfe %0=[%1]" :"=f"(__f__): "r"(x)); \
185})
186
187#define ia64_ldf8(regnum, x) \
188({ \
189 register double __f__ asm ("f"#regnum); \
190 asm volatile ("ldf8 %0=[%1]" :"=f"(__f__): "r"(x)); \
191})
192
193#define ia64_ldf_fill(regnum, x) \
194({ \
195 register double __f__ asm ("f"#regnum); \
196 asm volatile ("ldf.fill %0=[%1]" :"=f"(__f__): "r"(x)); \
197})
198
199#define ia64_st4_rel_nta(m, val) \
200({ \
201 asm volatile ("st4.rel.nta [%0] = %1\n\t" :: "r"(m), "r"(val)); \
202})
203
204#define ia64_stfs(x, regnum) \
205({ \
206 register double __f__ asm ("f"#regnum); \
207 asm volatile ("stfs [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \
208})
209
210#define ia64_stfd(x, regnum) \
211({ \
212 register double __f__ asm ("f"#regnum); \
213 asm volatile ("stfd [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \
214})
215
216#define ia64_stfe(x, regnum) \
217({ \
218 register double __f__ asm ("f"#regnum); \
219 asm volatile ("stfe [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \
220})
221
222#define ia64_stf8(x, regnum) \
223({ \
224 register double __f__ asm ("f"#regnum); \
225 asm volatile ("stf8 [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \
226})
227
228#define ia64_stf_spill(x, regnum) \
229({ \
230 register double __f__ asm ("f"#regnum); \
231 asm volatile ("stf.spill [%0]=%1" :: "r"(x), "f"(__f__) : "memory"); \
232})
233
234#define ia64_fetchadd4_acq(p, inc) \
235({ \
236 \
237 __u64 ia64_intri_res; \
238 asm volatile ("fetchadd4.acq %0=[%1],%2" \
239 : "=r"(ia64_intri_res) : "r"(p), "i" (inc) \
240 : "memory"); \
241 \
242 ia64_intri_res; \
243})
244
245#define ia64_fetchadd4_rel(p, inc) \
246({ \
247 __u64 ia64_intri_res; \
248 asm volatile ("fetchadd4.rel %0=[%1],%2" \
249 : "=r"(ia64_intri_res) : "r"(p), "i" (inc) \
250 : "memory"); \
251 \
252 ia64_intri_res; \
253})
254
255#define ia64_fetchadd8_acq(p, inc) \
256({ \
257 \
258 __u64 ia64_intri_res; \
259 asm volatile ("fetchadd8.acq %0=[%1],%2" \
260 : "=r"(ia64_intri_res) : "r"(p), "i" (inc) \
261 : "memory"); \
262 \
263 ia64_intri_res; \
264})
265
266#define ia64_fetchadd8_rel(p, inc) \
267({ \
268 __u64 ia64_intri_res; \
269 asm volatile ("fetchadd8.rel %0=[%1],%2" \
270 : "=r"(ia64_intri_res) : "r"(p), "i" (inc) \
271 : "memory"); \
272 \
273 ia64_intri_res; \
274})
275
276#define ia64_xchg1(ptr,x) \
277({ \
278 __u64 ia64_intri_res; \
279 asm volatile ("xchg1 %0=[%1],%2" \
280 : "=r" (ia64_intri_res) : "r" (ptr), "r" (x) : "memory"); \
281 ia64_intri_res; \
282})
283
284#define ia64_xchg2(ptr,x) \
285({ \
286 __u64 ia64_intri_res; \
287 asm volatile ("xchg2 %0=[%1],%2" : "=r" (ia64_intri_res) \
288 : "r" (ptr), "r" (x) : "memory"); \
289 ia64_intri_res; \
290})
291
292#define ia64_xchg4(ptr,x) \
293({ \
294 __u64 ia64_intri_res; \
295 asm volatile ("xchg4 %0=[%1],%2" : "=r" (ia64_intri_res) \
296 : "r" (ptr), "r" (x) : "memory"); \
297 ia64_intri_res; \
298})
299
300#define ia64_xchg8(ptr,x) \
301({ \
302 __u64 ia64_intri_res; \
303 asm volatile ("xchg8 %0=[%1],%2" : "=r" (ia64_intri_res) \
304 : "r" (ptr), "r" (x) : "memory"); \
305 ia64_intri_res; \
306})
307
308#define ia64_cmpxchg1_acq(ptr, new, old) \
309({ \
310 __u64 ia64_intri_res; \
311 asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \
312 asm volatile ("cmpxchg1.acq %0=[%1],%2,ar.ccv": \
313 "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \
314 ia64_intri_res; \
315})
316
317#define ia64_cmpxchg1_rel(ptr, new, old) \
318({ \
319 __u64 ia64_intri_res; \
320 asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \
321 asm volatile ("cmpxchg1.rel %0=[%1],%2,ar.ccv": \
322 "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \
323 ia64_intri_res; \
324})
325
326#define ia64_cmpxchg2_acq(ptr, new, old) \
327({ \
328 __u64 ia64_intri_res; \
329 asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \
330 asm volatile ("cmpxchg2.acq %0=[%1],%2,ar.ccv": \
331 "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \
332 ia64_intri_res; \
333})
334
335#define ia64_cmpxchg2_rel(ptr, new, old) \
336({ \
337 __u64 ia64_intri_res; \
338 asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \
339 \
340 asm volatile ("cmpxchg2.rel %0=[%1],%2,ar.ccv": \
341 "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \
342 ia64_intri_res; \
343})
344
345#define ia64_cmpxchg4_acq(ptr, new, old) \
346({ \
347 __u64 ia64_intri_res; \
348 asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \
349 asm volatile ("cmpxchg4.acq %0=[%1],%2,ar.ccv": \
350 "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \
351 ia64_intri_res; \
352})
353
354#define ia64_cmpxchg4_rel(ptr, new, old) \
355({ \
356 __u64 ia64_intri_res; \
357 asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \
358 asm volatile ("cmpxchg4.rel %0=[%1],%2,ar.ccv": \
359 "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \
360 ia64_intri_res; \
361})
362
363#define ia64_cmpxchg8_acq(ptr, new, old) \
364({ \
365 __u64 ia64_intri_res; \
366 asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \
367 asm volatile ("cmpxchg8.acq %0=[%1],%2,ar.ccv": \
368 "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \
369 ia64_intri_res; \
370})
371
372#define ia64_cmpxchg8_rel(ptr, new, old) \
373({ \
374 __u64 ia64_intri_res; \
375 asm volatile ("mov ar.ccv=%0;;" :: "rO"(old)); \
376 \
377 asm volatile ("cmpxchg8.rel %0=[%1],%2,ar.ccv": \
378 "=r"(ia64_intri_res) : "r"(ptr), "r"(new) : "memory"); \
379 ia64_intri_res; \
380})
381
382#define ia64_mf() asm volatile ("mf" ::: "memory")
383#define ia64_mfa() asm volatile ("mf.a" ::: "memory")
384
385#define ia64_invala() asm volatile ("invala" ::: "memory")
386
387#define ia64_thash(addr) \
388({ \
389 unsigned long ia64_intri_res; \
390 asm volatile ("thash %0=%1" : "=r"(ia64_intri_res) : "r" (addr)); \
391 ia64_intri_res; \
392})
393
394#define ia64_srlz_i() asm volatile (";; srlz.i ;;" ::: "memory")
395#define ia64_srlz_d() asm volatile (";; srlz.d" ::: "memory");
396
397#ifdef HAVE_SERIALIZE_DIRECTIVE
398# define ia64_dv_serialize_data() asm volatile (".serialize.data");
399# define ia64_dv_serialize_instruction() asm volatile (".serialize.instruction");
400#else
401# define ia64_dv_serialize_data()
402# define ia64_dv_serialize_instruction()
403#endif
404
405#define ia64_nop(x) asm volatile ("nop %0"::"i"(x));
406
407#define ia64_itci(addr) asm volatile ("itc.i %0;;" :: "r"(addr) : "memory")
408
409#define ia64_itcd(addr) asm volatile ("itc.d %0;;" :: "r"(addr) : "memory")
410
411
412#define ia64_itri(trnum, addr) asm volatile ("itr.i itr[%0]=%1" \
413 :: "r"(trnum), "r"(addr) : "memory")
414
415#define ia64_itrd(trnum, addr) asm volatile ("itr.d dtr[%0]=%1" \
416 :: "r"(trnum), "r"(addr) : "memory")
417
418#define ia64_tpa(addr) \
419({ \
420 unsigned long ia64_pa; \
421 asm volatile ("tpa %0 = %1" : "=r"(ia64_pa) : "r"(addr) : "memory"); \
422 ia64_pa; \
423})
424
425#define __ia64_set_dbr(index, val) \
426 asm volatile ("mov dbr[%0]=%1" :: "r"(index), "r"(val) : "memory")
427
428#define ia64_set_ibr(index, val) \
429 asm volatile ("mov ibr[%0]=%1" :: "r"(index), "r"(val) : "memory")
430
431#define ia64_set_pkr(index, val) \
432 asm volatile ("mov pkr[%0]=%1" :: "r"(index), "r"(val) : "memory")
433
434#define ia64_set_pmc(index, val) \
435 asm volatile ("mov pmc[%0]=%1" :: "r"(index), "r"(val) : "memory")
436
437#define ia64_set_pmd(index, val) \
438 asm volatile ("mov pmd[%0]=%1" :: "r"(index), "r"(val) : "memory")
439
440#define ia64_set_rr(index, val) \
441 asm volatile ("mov rr[%0]=%1" :: "r"(index), "r"(val) : "memory");
442
443#define ia64_get_cpuid(index) \
444({ \
445 unsigned long ia64_intri_res; \
446 asm volatile ("mov %0=cpuid[%r1]" : "=r"(ia64_intri_res) : "rO"(index)); \
447 ia64_intri_res; \
448})
449
450#define __ia64_get_dbr(index) \
451({ \
452 unsigned long ia64_intri_res; \
453 asm volatile ("mov %0=dbr[%1]" : "=r"(ia64_intri_res) : "r"(index)); \
454 ia64_intri_res; \
455})
456
457#define ia64_get_ibr(index) \
458({ \
459 unsigned long ia64_intri_res; \
460 asm volatile ("mov %0=ibr[%1]" : "=r"(ia64_intri_res) : "r"(index)); \
461 ia64_intri_res; \
462})
463
464#define ia64_get_pkr(index) \
465({ \
466 unsigned long ia64_intri_res; \
467 asm volatile ("mov %0=pkr[%1]" : "=r"(ia64_intri_res) : "r"(index)); \
468 ia64_intri_res; \
469})
470
471#define ia64_get_pmc(index) \
472({ \
473 unsigned long ia64_intri_res; \
474 asm volatile ("mov %0=pmc[%1]" : "=r"(ia64_intri_res) : "r"(index)); \
475 ia64_intri_res; \
476})
477
478
479#define ia64_get_pmd(index) \
480({ \
481 unsigned long ia64_intri_res; \
482 asm volatile ("mov %0=pmd[%1]" : "=r"(ia64_intri_res) : "r"(index)); \
483 ia64_intri_res; \
484})
485
486#define ia64_get_rr(index) \
487({ \
488 unsigned long ia64_intri_res; \
489 asm volatile ("mov %0=rr[%1]" : "=r"(ia64_intri_res) : "r" (index)); \
490 ia64_intri_res; \
491})
492
493#define ia64_fc(addr) asm volatile ("fc %0" :: "r"(addr) : "memory")
494
495
496#define ia64_sync_i() asm volatile (";; sync.i" ::: "memory")
497
498#define ia64_ssm(mask) asm volatile ("ssm %0":: "i"((mask)) : "memory")
499#define ia64_rsm(mask) asm volatile ("rsm %0":: "i"((mask)) : "memory")
500#define ia64_sum(mask) asm volatile ("sum %0":: "i"((mask)) : "memory")
501#define ia64_rum(mask) asm volatile ("rum %0":: "i"((mask)) : "memory")
502
503#define ia64_ptce(addr) asm volatile ("ptc.e %0" :: "r"(addr))
504
505#define ia64_ptcga(addr, size) \
506do { \
507 asm volatile ("ptc.ga %0,%1" :: "r"(addr), "r"(size) : "memory"); \
508 ia64_dv_serialize_data(); \
509} while (0)
510
511#define ia64_ptcl(addr, size) \
512do { \
513 asm volatile ("ptc.l %0,%1" :: "r"(addr), "r"(size) : "memory"); \
514 ia64_dv_serialize_data(); \
515} while (0)
516
517#define ia64_ptri(addr, size) \
518 asm volatile ("ptr.i %0,%1" :: "r"(addr), "r"(size) : "memory")
519
520#define ia64_ptrd(addr, size) \
521 asm volatile ("ptr.d %0,%1" :: "r"(addr), "r"(size) : "memory")
522
523#define ia64_ttag(addr) \
524({ \
525 __u64 ia64_intri_res; \
526 asm volatile ("ttag %0=%1" : "=r"(ia64_intri_res) : "r" (addr)); \
527 ia64_intri_res; \
528})
529
530
531/* Values for lfhint in ia64_lfetch and ia64_lfetch_fault */
532
533#define ia64_lfhint_none 0
534#define ia64_lfhint_nt1 1
535#define ia64_lfhint_nt2 2
536#define ia64_lfhint_nta 3
537
538#define ia64_lfetch(lfhint, y) \
539({ \
540 switch (lfhint) { \
541 case ia64_lfhint_none: \
542 asm volatile ("lfetch [%0]" : : "r"(y)); \
543 break; \
544 case ia64_lfhint_nt1: \
545 asm volatile ("lfetch.nt1 [%0]" : : "r"(y)); \
546 break; \
547 case ia64_lfhint_nt2: \
548 asm volatile ("lfetch.nt2 [%0]" : : "r"(y)); \
549 break; \
550 case ia64_lfhint_nta: \
551 asm volatile ("lfetch.nta [%0]" : : "r"(y)); \
552 break; \
553 } \
554})
555
556#define ia64_lfetch_excl(lfhint, y) \
557({ \
558 switch (lfhint) { \
559 case ia64_lfhint_none: \
560 asm volatile ("lfetch.excl [%0]" :: "r"(y)); \
561 break; \
562 case ia64_lfhint_nt1: \
563 asm volatile ("lfetch.excl.nt1 [%0]" :: "r"(y)); \
564 break; \
565 case ia64_lfhint_nt2: \
566 asm volatile ("lfetch.excl.nt2 [%0]" :: "r"(y)); \
567 break; \
568 case ia64_lfhint_nta: \
569 asm volatile ("lfetch.excl.nta [%0]" :: "r"(y)); \
570 break; \
571 } \
572})
573
574#define ia64_lfetch_fault(lfhint, y) \
575({ \
576 switch (lfhint) { \
577 case ia64_lfhint_none: \
578 asm volatile ("lfetch.fault [%0]" : : "r"(y)); \
579 break; \
580 case ia64_lfhint_nt1: \
581 asm volatile ("lfetch.fault.nt1 [%0]" : : "r"(y)); \
582 break; \
583 case ia64_lfhint_nt2: \
584 asm volatile ("lfetch.fault.nt2 [%0]" : : "r"(y)); \
585 break; \
586 case ia64_lfhint_nta: \
587 asm volatile ("lfetch.fault.nta [%0]" : : "r"(y)); \
588 break; \
589 } \
590})
591
592#define ia64_lfetch_fault_excl(lfhint, y) \
593({ \
594 switch (lfhint) { \
595 case ia64_lfhint_none: \
596 asm volatile ("lfetch.fault.excl [%0]" :: "r"(y)); \
597 break; \
598 case ia64_lfhint_nt1: \
599 asm volatile ("lfetch.fault.excl.nt1 [%0]" :: "r"(y)); \
600 break; \
601 case ia64_lfhint_nt2: \
602 asm volatile ("lfetch.fault.excl.nt2 [%0]" :: "r"(y)); \
603 break; \
604 case ia64_lfhint_nta: \
605 asm volatile ("lfetch.fault.excl.nta [%0]" :: "r"(y)); \
606 break; \
607 } \
608})
609
610#define ia64_intrin_local_irq_restore(x) \
611do { \
612 asm volatile (";; cmp.ne p6,p7=%0,r0;;" \
613 "(p6) ssm psr.i;" \
614 "(p7) rsm psr.i;;" \
615 "(p6) srlz.d" \
616 :: "r"((x)) : "p6", "p7", "memory"); \
617} while (0)
618
619#endif /* _UAPI_ASM_IA64_GCC_INTRIN_H */