xref: /freebsd/contrib/llvm-project/clang/lib/Headers/__clang_cuda_device_functions.h (revision 5f757f3ff9144b609b3c433dfd370cc6bdc191ad) 
1 /*===---- __clang_cuda_device_functions.h - CUDA runtime support -----------===
2  *
3  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4  * See https://llvm.org/LICENSE.txt for license information.
5  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6  *
7  *===-----------------------------------------------------------------------===
8  */
9 
10 #ifndef __CLANG_CUDA_DEVICE_FUNCTIONS_H__
11 #define __CLANG_CUDA_DEVICE_FUNCTIONS_H__
12 
13 #ifndef __OPENMP_NVPTX__
14 #if CUDA_VERSION < 9000
15 #error This file is intended to be used with CUDA-9+ only.
16 #endif
17 #endif
18 
19 // __DEVICE__ is a helper macro with common set of attributes for the wrappers
20 // we implement in this file. We need static in order to avoid emitting unused
21 // functions and __forceinline__ helps inlining these wrappers at -O1.
22 #pragma push_macro("__DEVICE__")
23 #ifdef __OPENMP_NVPTX__
24 #define __DEVICE__ static __attribute__((always_inline, nothrow))
25 #else
26 #define __DEVICE__ static __device__ __forceinline__
27 #endif
28 
29 __DEVICE__ int __all(int __a) { return __nvvm_vote_all(__a); }
30 __DEVICE__ int __any(int __a) { return __nvvm_vote_any(__a); }
31 __DEVICE__ unsigned int __ballot(int __a) { return __nvvm_vote_ballot(__a); }
32 __DEVICE__ unsigned int __brev(unsigned int __a) { return __nv_brev(__a); }
33 __DEVICE__ unsigned long long __brevll(unsigned long long __a) {
34   return __nv_brevll(__a);
35 }
36 #if defined(__cplusplus)
37 __DEVICE__ void __brkpt() { __asm__ __volatile__("brkpt;"); }
38 __DEVICE__ void __brkpt(int __a) { __brkpt(); }
39 #else
40 __DEVICE__ void __attribute__((overloadable)) __brkpt(void) {
41   __asm__ __volatile__("brkpt;");
42 }
43 __DEVICE__ void __attribute__((overloadable)) __brkpt(int __a) { __brkpt(); }
44 #endif
45 __DEVICE__ unsigned int __byte_perm(unsigned int __a, unsigned int __b,
46                                     unsigned int __c) {
47   return __nv_byte_perm(__a, __b, __c);
48 }
49 __DEVICE__ int __clz(int __a) { return __nv_clz(__a); }
50 __DEVICE__ int __clzll(long long __a) { return __nv_clzll(__a); }
51 __DEVICE__ float __cosf(float __a) { return __nv_fast_cosf(__a); }
52 __DEVICE__ double __dAtomicAdd(double *__p, double __v) {
53   return __nvvm_atom_add_gen_d(__p, __v);
54 }
55 __DEVICE__ double __dAtomicAdd_block(double *__p, double __v) {
56   return __nvvm_atom_cta_add_gen_d(__p, __v);
57 }
58 __DEVICE__ double __dAtomicAdd_system(double *__p, double __v) {
59   return __nvvm_atom_sys_add_gen_d(__p, __v);
60 }
61 __DEVICE__ double __dadd_rd(double __a, double __b) {
62   return __nv_dadd_rd(__a, __b);
63 }
64 __DEVICE__ double __dadd_rn(double __a, double __b) {
65   return __nv_dadd_rn(__a, __b);
66 }
67 __DEVICE__ double __dadd_ru(double __a, double __b) {
68   return __nv_dadd_ru(__a, __b);
69 }
70 __DEVICE__ double __dadd_rz(double __a, double __b) {
71   return __nv_dadd_rz(__a, __b);
72 }
73 __DEVICE__ double __ddiv_rd(double __a, double __b) {
74   return __nv_ddiv_rd(__a, __b);
75 }
76 __DEVICE__ double __ddiv_rn(double __a, double __b) {
77   return __nv_ddiv_rn(__a, __b);
78 }
79 __DEVICE__ double __ddiv_ru(double __a, double __b) {
80   return __nv_ddiv_ru(__a, __b);
81 }
82 __DEVICE__ double __ddiv_rz(double __a, double __b) {
83   return __nv_ddiv_rz(__a, __b);
84 }
85 __DEVICE__ double __dmul_rd(double __a, double __b) {
86   return __nv_dmul_rd(__a, __b);
87 }
88 __DEVICE__ double __dmul_rn(double __a, double __b) {
89   return __nv_dmul_rn(__a, __b);
90 }
91 __DEVICE__ double __dmul_ru(double __a, double __b) {
92   return __nv_dmul_ru(__a, __b);
93 }
94 __DEVICE__ double __dmul_rz(double __a, double __b) {
95   return __nv_dmul_rz(__a, __b);
96 }
97 __DEVICE__ float __double2float_rd(double __a) {
98   return __nv_double2float_rd(__a);
99 }
100 __DEVICE__ float __double2float_rn(double __a) {
101   return __nv_double2float_rn(__a);
102 }
103 __DEVICE__ float __double2float_ru(double __a) {
104   return __nv_double2float_ru(__a);
105 }
106 __DEVICE__ float __double2float_rz(double __a) {
107   return __nv_double2float_rz(__a);
108 }
109 __DEVICE__ int __double2hiint(double __a) { return __nv_double2hiint(__a); }
110 __DEVICE__ int __double2int_rd(double __a) { return __nv_double2int_rd(__a); }
111 __DEVICE__ int __double2int_rn(double __a) { return __nv_double2int_rn(__a); }
112 __DEVICE__ int __double2int_ru(double __a) { return __nv_double2int_ru(__a); }
113 __DEVICE__ int __double2int_rz(double __a) { return __nv_double2int_rz(__a); }
114 __DEVICE__ long long __double2ll_rd(double __a) {
115   return __nv_double2ll_rd(__a);
116 }
117 __DEVICE__ long long __double2ll_rn(double __a) {
118   return __nv_double2ll_rn(__a);
119 }
120 __DEVICE__ long long __double2ll_ru(double __a) {
121   return __nv_double2ll_ru(__a);
122 }
123 __DEVICE__ long long __double2ll_rz(double __a) {
124   return __nv_double2ll_rz(__a);
125 }
126 __DEVICE__ int __double2loint(double __a) { return __nv_double2loint(__a); }
127 __DEVICE__ unsigned int __double2uint_rd(double __a) {
128   return __nv_double2uint_rd(__a);
129 }
130 __DEVICE__ unsigned int __double2uint_rn(double __a) {
131   return __nv_double2uint_rn(__a);
132 }
133 __DEVICE__ unsigned int __double2uint_ru(double __a) {
134   return __nv_double2uint_ru(__a);
135 }
136 __DEVICE__ unsigned int __double2uint_rz(double __a) {
137   return __nv_double2uint_rz(__a);
138 }
139 __DEVICE__ unsigned long long __double2ull_rd(double __a) {
140   return __nv_double2ull_rd(__a);
141 }
142 __DEVICE__ unsigned long long __double2ull_rn(double __a) {
143   return __nv_double2ull_rn(__a);
144 }
145 __DEVICE__ unsigned long long __double2ull_ru(double __a) {
146   return __nv_double2ull_ru(__a);
147 }
148 __DEVICE__ unsigned long long __double2ull_rz(double __a) {
149   return __nv_double2ull_rz(__a);
150 }
151 __DEVICE__ long long __double_as_longlong(double __a) {
152   return __nv_double_as_longlong(__a);
153 }
154 __DEVICE__ double __drcp_rd(double __a) { return __nv_drcp_rd(__a); }
155 __DEVICE__ double __drcp_rn(double __a) { return __nv_drcp_rn(__a); }
156 __DEVICE__ double __drcp_ru(double __a) { return __nv_drcp_ru(__a); }
157 __DEVICE__ double __drcp_rz(double __a) { return __nv_drcp_rz(__a); }
158 __DEVICE__ double __dsqrt_rd(double __a) { return __nv_dsqrt_rd(__a); }
159 __DEVICE__ double __dsqrt_rn(double __a) { return __nv_dsqrt_rn(__a); }
160 __DEVICE__ double __dsqrt_ru(double __a) { return __nv_dsqrt_ru(__a); }
161 __DEVICE__ double __dsqrt_rz(double __a) { return __nv_dsqrt_rz(__a); }
162 __DEVICE__ double __dsub_rd(double __a, double __b) {
163   return __nv_dsub_rd(__a, __b);
164 }
165 __DEVICE__ double __dsub_rn(double __a, double __b) {
166   return __nv_dsub_rn(__a, __b);
167 }
168 __DEVICE__ double __dsub_ru(double __a, double __b) {
169   return __nv_dsub_ru(__a, __b);
170 }
171 __DEVICE__ double __dsub_rz(double __a, double __b) {
172   return __nv_dsub_rz(__a, __b);
173 }
174 __DEVICE__ float __exp10f(float __a) { return __nv_fast_exp10f(__a); }
175 __DEVICE__ float __expf(float __a) { return __nv_fast_expf(__a); }
176 __DEVICE__ float __fAtomicAdd(float *__p, float __v) {
177   return __nvvm_atom_add_gen_f(__p, __v);
178 }
179 __DEVICE__ float __fAtomicAdd_block(float *__p, float __v) {
180   return __nvvm_atom_cta_add_gen_f(__p, __v);
181 }
182 __DEVICE__ float __fAtomicAdd_system(float *__p, float __v) {
183   return __nvvm_atom_sys_add_gen_f(__p, __v);
184 }
185 __DEVICE__ float __fAtomicExch(float *__p, float __v) {
186   return __nv_int_as_float(
187       __nvvm_atom_xchg_gen_i((int *)__p, __nv_float_as_int(__v)));
188 }
189 __DEVICE__ float __fAtomicExch_block(float *__p, float __v) {
190   return __nv_int_as_float(
191       __nvvm_atom_cta_xchg_gen_i((int *)__p, __nv_float_as_int(__v)));
192 }
193 __DEVICE__ float __fAtomicExch_system(float *__p, float __v) {
194   return __nv_int_as_float(
195       __nvvm_atom_sys_xchg_gen_i((int *)__p, __nv_float_as_int(__v)));
196 }
197 __DEVICE__ float __fadd_rd(float __a, float __b) {
198   return __nv_fadd_rd(__a, __b);
199 }
200 __DEVICE__ float __fadd_rn(float __a, float __b) {
201   return __nv_fadd_rn(__a, __b);
202 }
203 __DEVICE__ float __fadd_ru(float __a, float __b) {
204   return __nv_fadd_ru(__a, __b);
205 }
206 __DEVICE__ float __fadd_rz(float __a, float __b) {
207   return __nv_fadd_rz(__a, __b);
208 }
209 __DEVICE__ float __fdiv_rd(float __a, float __b) {
210   return __nv_fdiv_rd(__a, __b);
211 }
212 __DEVICE__ float __fdiv_rn(float __a, float __b) {
213   return __nv_fdiv_rn(__a, __b);
214 }
215 __DEVICE__ float __fdiv_ru(float __a, float __b) {
216   return __nv_fdiv_ru(__a, __b);
217 }
218 __DEVICE__ float __fdiv_rz(float __a, float __b) {
219   return __nv_fdiv_rz(__a, __b);
220 }
221 __DEVICE__ float __fdividef(float __a, float __b) {
222   return __nv_fast_fdividef(__a, __b);
223 }
224 __DEVICE__ int __ffs(int __a) { return __nv_ffs(__a); }
225 __DEVICE__ int __ffsll(long long __a) { return __nv_ffsll(__a); }
226 __DEVICE__ int __finite(double __a) { return __nv_isfinited(__a); }
227 __DEVICE__ int __finitef(float __a) { return __nv_finitef(__a); }
228 #ifdef _MSC_VER
229 __DEVICE__ int __finitel(long double __a);
230 #endif
231 __DEVICE__ int __float2int_rd(float __a) { return __nv_float2int_rd(__a); }
232 __DEVICE__ int __float2int_rn(float __a) { return __nv_float2int_rn(__a); }
233 __DEVICE__ int __float2int_ru(float __a) { return __nv_float2int_ru(__a); }
234 __DEVICE__ int __float2int_rz(float __a) { return __nv_float2int_rz(__a); }
235 __DEVICE__ long long __float2ll_rd(float __a) { return __nv_float2ll_rd(__a); }
236 __DEVICE__ long long __float2ll_rn(float __a) { return __nv_float2ll_rn(__a); }
237 __DEVICE__ long long __float2ll_ru(float __a) { return __nv_float2ll_ru(__a); }
238 __DEVICE__ long long __float2ll_rz(float __a) { return __nv_float2ll_rz(__a); }
239 __DEVICE__ unsigned int __float2uint_rd(float __a) {
240   return __nv_float2uint_rd(__a);
241 }
242 __DEVICE__ unsigned int __float2uint_rn(float __a) {
243   return __nv_float2uint_rn(__a);
244 }
245 __DEVICE__ unsigned int __float2uint_ru(float __a) {
246   return __nv_float2uint_ru(__a);
247 }
248 __DEVICE__ unsigned int __float2uint_rz(float __a) {
249   return __nv_float2uint_rz(__a);
250 }
251 __DEVICE__ unsigned long long __float2ull_rd(float __a) {
252   return __nv_float2ull_rd(__a);
253 }
254 __DEVICE__ unsigned long long __float2ull_rn(float __a) {
255   return __nv_float2ull_rn(__a);
256 }
257 __DEVICE__ unsigned long long __float2ull_ru(float __a) {
258   return __nv_float2ull_ru(__a);
259 }
260 __DEVICE__ unsigned long long __float2ull_rz(float __a) {
261   return __nv_float2ull_rz(__a);
262 }
263 __DEVICE__ int __float_as_int(float __a) { return __nv_float_as_int(__a); }
264 __DEVICE__ unsigned int __float_as_uint(float __a) {
265   return __nv_float_as_uint(__a);
266 }
267 __DEVICE__ double __fma_rd(double __a, double __b, double __c) {
268   return __nv_fma_rd(__a, __b, __c);
269 }
270 __DEVICE__ double __fma_rn(double __a, double __b, double __c) {
271   return __nv_fma_rn(__a, __b, __c);
272 }
273 __DEVICE__ double __fma_ru(double __a, double __b, double __c) {
274   return __nv_fma_ru(__a, __b, __c);
275 }
276 __DEVICE__ double __fma_rz(double __a, double __b, double __c) {
277   return __nv_fma_rz(__a, __b, __c);
278 }
279 __DEVICE__ float __fmaf_ieee_rd(float __a, float __b, float __c) {
280   return __nv_fmaf_ieee_rd(__a, __b, __c);
281 }
282 __DEVICE__ float __fmaf_ieee_rn(float __a, float __b, float __c) {
283   return __nv_fmaf_ieee_rn(__a, __b, __c);
284 }
285 __DEVICE__ float __fmaf_ieee_ru(float __a, float __b, float __c) {
286   return __nv_fmaf_ieee_ru(__a, __b, __c);
287 }
288 __DEVICE__ float __fmaf_ieee_rz(float __a, float __b, float __c) {
289   return __nv_fmaf_ieee_rz(__a, __b, __c);
290 }
291 __DEVICE__ float __fmaf_rd(float __a, float __b, float __c) {
292   return __nv_fmaf_rd(__a, __b, __c);
293 }
294 __DEVICE__ float __fmaf_rn(float __a, float __b, float __c) {
295   return __nv_fmaf_rn(__a, __b, __c);
296 }
297 __DEVICE__ float __fmaf_ru(float __a, float __b, float __c) {
298   return __nv_fmaf_ru(__a, __b, __c);
299 }
300 __DEVICE__ float __fmaf_rz(float __a, float __b, float __c) {
301   return __nv_fmaf_rz(__a, __b, __c);
302 }
303 __DEVICE__ float __fmul_rd(float __a, float __b) {
304   return __nv_fmul_rd(__a, __b);
305 }
306 __DEVICE__ float __fmul_rn(float __a, float __b) {
307   return __nv_fmul_rn(__a, __b);
308 }
309 __DEVICE__ float __fmul_ru(float __a, float __b) {
310   return __nv_fmul_ru(__a, __b);
311 }
312 __DEVICE__ float __fmul_rz(float __a, float __b) {
313   return __nv_fmul_rz(__a, __b);
314 }
315 __DEVICE__ float __frcp_rd(float __a) { return __nv_frcp_rd(__a); }
316 __DEVICE__ float __frcp_rn(float __a) { return __nv_frcp_rn(__a); }
317 __DEVICE__ float __frcp_ru(float __a) { return __nv_frcp_ru(__a); }
318 __DEVICE__ float __frcp_rz(float __a) { return __nv_frcp_rz(__a); }
319 __DEVICE__ float __frsqrt_rn(float __a) { return __nv_frsqrt_rn(__a); }
320 __DEVICE__ float __fsqrt_rd(float __a) { return __nv_fsqrt_rd(__a); }
321 __DEVICE__ float __fsqrt_rn(float __a) { return __nv_fsqrt_rn(__a); }
322 __DEVICE__ float __fsqrt_ru(float __a) { return __nv_fsqrt_ru(__a); }
323 __DEVICE__ float __fsqrt_rz(float __a) { return __nv_fsqrt_rz(__a); }
324 __DEVICE__ float __fsub_rd(float __a, float __b) {
325   return __nv_fsub_rd(__a, __b);
326 }
327 __DEVICE__ float __fsub_rn(float __a, float __b) {
328   return __nv_fsub_rn(__a, __b);
329 }
330 __DEVICE__ float __fsub_ru(float __a, float __b) {
331   return __nv_fsub_ru(__a, __b);
332 }
333 __DEVICE__ float __fsub_rz(float __a, float __b) {
334   return __nv_fsub_rz(__a, __b);
335 }
336 __DEVICE__ int __hadd(int __a, int __b) { return __nv_hadd(__a, __b); }
337 __DEVICE__ double __hiloint2double(int __a, int __b) {
338   return __nv_hiloint2double(__a, __b);
339 }
340 __DEVICE__ int __iAtomicAdd(int *__p, int __v) {
341   return __nvvm_atom_add_gen_i(__p, __v);
342 }
343 __DEVICE__ int __iAtomicAdd_block(int *__p, int __v) {
344   return __nvvm_atom_cta_add_gen_i(__p, __v);
345 }
346 __DEVICE__ int __iAtomicAdd_system(int *__p, int __v) {
347   return __nvvm_atom_sys_add_gen_i(__p, __v);
348 }
349 __DEVICE__ int __iAtomicAnd(int *__p, int __v) {
350   return __nvvm_atom_and_gen_i(__p, __v);
351 }
352 __DEVICE__ int __iAtomicAnd_block(int *__p, int __v) {
353   return __nvvm_atom_cta_and_gen_i(__p, __v);
354 }
355 __DEVICE__ int __iAtomicAnd_system(int *__p, int __v) {
356   return __nvvm_atom_sys_and_gen_i(__p, __v);
357 }
358 __DEVICE__ int __iAtomicCAS(int *__p, int __cmp, int __v) {
359   return __nvvm_atom_cas_gen_i(__p, __cmp, __v);
360 }
361 __DEVICE__ int __iAtomicCAS_block(int *__p, int __cmp, int __v) {
362   return __nvvm_atom_cta_cas_gen_i(__p, __cmp, __v);
363 }
364 __DEVICE__ int __iAtomicCAS_system(int *__p, int __cmp, int __v) {
365   return __nvvm_atom_sys_cas_gen_i(__p, __cmp, __v);
366 }
367 __DEVICE__ int __iAtomicExch(int *__p, int __v) {
368   return __nvvm_atom_xchg_gen_i(__p, __v);
369 }
370 __DEVICE__ int __iAtomicExch_block(int *__p, int __v) {
371   return __nvvm_atom_cta_xchg_gen_i(__p, __v);
372 }
373 __DEVICE__ int __iAtomicExch_system(int *__p, int __v) {
374   return __nvvm_atom_sys_xchg_gen_i(__p, __v);
375 }
376 __DEVICE__ int __iAtomicMax(int *__p, int __v) {
377   return __nvvm_atom_max_gen_i(__p, __v);
378 }
379 __DEVICE__ int __iAtomicMax_block(int *__p, int __v) {
380   return __nvvm_atom_cta_max_gen_i(__p, __v);
381 }
382 __DEVICE__ int __iAtomicMax_system(int *__p, int __v) {
383   return __nvvm_atom_sys_max_gen_i(__p, __v);
384 }
385 __DEVICE__ int __iAtomicMin(int *__p, int __v) {
386   return __nvvm_atom_min_gen_i(__p, __v);
387 }
388 __DEVICE__ int __iAtomicMin_block(int *__p, int __v) {
389   return __nvvm_atom_cta_min_gen_i(__p, __v);
390 }
391 __DEVICE__ int __iAtomicMin_system(int *__p, int __v) {
392   return __nvvm_atom_sys_min_gen_i(__p, __v);
393 }
394 __DEVICE__ int __iAtomicOr(int *__p, int __v) {
395   return __nvvm_atom_or_gen_i(__p, __v);
396 }
397 __DEVICE__ int __iAtomicOr_block(int *__p, int __v) {
398   return __nvvm_atom_cta_or_gen_i(__p, __v);
399 }
400 __DEVICE__ int __iAtomicOr_system(int *__p, int __v) {
401   return __nvvm_atom_sys_or_gen_i(__p, __v);
402 }
403 __DEVICE__ int __iAtomicXor(int *__p, int __v) {
404   return __nvvm_atom_xor_gen_i(__p, __v);
405 }
406 __DEVICE__ int __iAtomicXor_block(int *__p, int __v) {
407   return __nvvm_atom_cta_xor_gen_i(__p, __v);
408 }
409 __DEVICE__ int __iAtomicXor_system(int *__p, int __v) {
410   return __nvvm_atom_sys_xor_gen_i(__p, __v);
411 }
412 __DEVICE__ long long __illAtomicMax(long long *__p, long long __v) {
413   return __nvvm_atom_max_gen_ll(__p, __v);
414 }
415 __DEVICE__ long long __illAtomicMax_block(long long *__p, long long __v) {
416   return __nvvm_atom_cta_max_gen_ll(__p, __v);
417 }
418 __DEVICE__ long long __illAtomicMax_system(long long *__p, long long __v) {
419   return __nvvm_atom_sys_max_gen_ll(__p, __v);
420 }
421 __DEVICE__ long long __illAtomicMin(long long *__p, long long __v) {
422   return __nvvm_atom_min_gen_ll(__p, __v);
423 }
424 __DEVICE__ long long __illAtomicMin_block(long long *__p, long long __v) {
425   return __nvvm_atom_cta_min_gen_ll(__p, __v);
426 }
427 __DEVICE__ long long __illAtomicMin_system(long long *__p, long long __v) {
428   return __nvvm_atom_sys_min_gen_ll(__p, __v);
429 }
430 __DEVICE__ double __int2double_rn(int __a) { return __nv_int2double_rn(__a); }
431 __DEVICE__ float __int2float_rd(int __a) { return __nv_int2float_rd(__a); }
432 __DEVICE__ float __int2float_rn(int __a) { return __nv_int2float_rn(__a); }
433 __DEVICE__ float __int2float_ru(int __a) { return __nv_int2float_ru(__a); }
434 __DEVICE__ float __int2float_rz(int __a) { return __nv_int2float_rz(__a); }
435 __DEVICE__ float __int_as_float(int __a) { return __nv_int_as_float(__a); }
436 __DEVICE__ int __isfinited(double __a) { return __nv_isfinited(__a); }
437 __DEVICE__ int __isinf(double __a) { return __nv_isinfd(__a); }
438 __DEVICE__ int __isinff(float __a) { return __nv_isinff(__a); }
439 #ifdef _MSC_VER
440 __DEVICE__ int __isinfl(long double __a);
441 #endif
442 __DEVICE__ int __isnan(double __a) { return __nv_isnand(__a); }
443 __DEVICE__ int __isnanf(float __a) { return __nv_isnanf(__a); }
444 #ifdef _MSC_VER
445 __DEVICE__ int __isnanl(long double __a);
446 #endif
447 __DEVICE__ double __ll2double_rd(long long __a) {
448   return __nv_ll2double_rd(__a);
449 }
450 __DEVICE__ double __ll2double_rn(long long __a) {
451   return __nv_ll2double_rn(__a);
452 }
453 __DEVICE__ double __ll2double_ru(long long __a) {
454   return __nv_ll2double_ru(__a);
455 }
456 __DEVICE__ double __ll2double_rz(long long __a) {
457   return __nv_ll2double_rz(__a);
458 }
459 __DEVICE__ float __ll2float_rd(long long __a) { return __nv_ll2float_rd(__a); }
460 __DEVICE__ float __ll2float_rn(long long __a) { return __nv_ll2float_rn(__a); }
461 __DEVICE__ float __ll2float_ru(long long __a) { return __nv_ll2float_ru(__a); }
462 __DEVICE__ float __ll2float_rz(long long __a) { return __nv_ll2float_rz(__a); }
463 __DEVICE__ long long __llAtomicAnd(long long *__p, long long __v) {
464   return __nvvm_atom_and_gen_ll(__p, __v);
465 }
466 __DEVICE__ long long __llAtomicAnd_block(long long *__p, long long __v) {
467   return __nvvm_atom_cta_and_gen_ll(__p, __v);
468 }
469 __DEVICE__ long long __llAtomicAnd_system(long long *__p, long long __v) {
470   return __nvvm_atom_sys_and_gen_ll(__p, __v);
471 }
472 __DEVICE__ long long __llAtomicOr(long long *__p, long long __v) {
473   return __nvvm_atom_or_gen_ll(__p, __v);
474 }
475 __DEVICE__ long long __llAtomicOr_block(long long *__p, long long __v) {
476   return __nvvm_atom_cta_or_gen_ll(__p, __v);
477 }
478 __DEVICE__ long long __llAtomicOr_system(long long *__p, long long __v) {
479   return __nvvm_atom_sys_or_gen_ll(__p, __v);
480 }
481 __DEVICE__ long long __llAtomicXor(long long *__p, long long __v) {
482   return __nvvm_atom_xor_gen_ll(__p, __v);
483 }
484 __DEVICE__ long long __llAtomicXor_block(long long *__p, long long __v) {
485   return __nvvm_atom_cta_xor_gen_ll(__p, __v);
486 }
487 __DEVICE__ long long __llAtomicXor_system(long long *__p, long long __v) {
488   return __nvvm_atom_sys_xor_gen_ll(__p, __v);
489 }
490 __DEVICE__ float __log10f(float __a) { return __nv_fast_log10f(__a); }
491 __DEVICE__ float __log2f(float __a) { return __nv_fast_log2f(__a); }
492 __DEVICE__ float __logf(float __a) { return __nv_fast_logf(__a); }
493 __DEVICE__ double __longlong_as_double(long long __a) {
494   return __nv_longlong_as_double(__a);
495 }
496 __DEVICE__ int __mul24(int __a, int __b) { return __nv_mul24(__a, __b); }
497 __DEVICE__ long long __mul64hi(long long __a, long long __b) {
498   return __nv_mul64hi(__a, __b);
499 }
500 __DEVICE__ int __mulhi(int __a, int __b) { return __nv_mulhi(__a, __b); }
501 __DEVICE__ unsigned int __pm0(void) { return __nvvm_read_ptx_sreg_pm0(); }
502 __DEVICE__ unsigned int __pm1(void) { return __nvvm_read_ptx_sreg_pm1(); }
503 __DEVICE__ unsigned int __pm2(void) { return __nvvm_read_ptx_sreg_pm2(); }
504 __DEVICE__ unsigned int __pm3(void) { return __nvvm_read_ptx_sreg_pm3(); }
505 __DEVICE__ int __popc(unsigned int __a) { return __nv_popc(__a); }
506 __DEVICE__ int __popcll(unsigned long long __a) { return __nv_popcll(__a); }
507 __DEVICE__ float __powf(float __a, float __b) {
508   return __nv_fast_powf(__a, __b);
509 }
510 
511 // Parameter must have a known integer value.
512 #define __prof_trigger(__a) __asm__ __volatile__("pmevent \t%0;" ::"i"(__a))
513 __DEVICE__ int __rhadd(int __a, int __b) { return __nv_rhadd(__a, __b); }
514 __DEVICE__ unsigned int __sad(int __a, int __b, unsigned int __c) {
515   return __nv_sad(__a, __b, __c);
516 }
517 __DEVICE__ float __saturatef(float __a) { return __nv_saturatef(__a); }
518 __DEVICE__ int __signbitd(double __a) { return __nv_signbitd(__a); }
519 __DEVICE__ int __signbitf(float __a) { return __nv_signbitf(__a); }
520 __DEVICE__ void __sincosf(float __a, float *__s, float *__c) {
521   return __nv_fast_sincosf(__a, __s, __c);
522 }
523 __DEVICE__ float __sinf(float __a) { return __nv_fast_sinf(__a); }
524 __DEVICE__ int __syncthreads_and(int __a) { return __nvvm_bar0_and(__a); }
525 __DEVICE__ int __syncthreads_count(int __a) { return __nvvm_bar0_popc(__a); }
526 __DEVICE__ int __syncthreads_or(int __a) { return __nvvm_bar0_or(__a); }
527 __DEVICE__ float __tanf(float __a) { return __nv_fast_tanf(__a); }
528 __DEVICE__ void __threadfence(void) { __nvvm_membar_gl(); }
529 __DEVICE__ void __threadfence_block(void) { __nvvm_membar_cta(); };
530 __DEVICE__ void __threadfence_system(void) { __nvvm_membar_sys(); };
531 __DEVICE__ void __trap(void) { __asm__ __volatile__("trap;"); }
532 __DEVICE__ unsigned int __uAtomicAdd(unsigned int *__p, unsigned int __v) {
533   return __nvvm_atom_add_gen_i((int *)__p, __v);
534 }
535 __DEVICE__ unsigned int __uAtomicAdd_block(unsigned int *__p,
536                                            unsigned int __v) {
537   return __nvvm_atom_cta_add_gen_i((int *)__p, __v);
538 }
539 __DEVICE__ unsigned int __uAtomicAdd_system(unsigned int *__p,
540                                             unsigned int __v) {
541   return __nvvm_atom_sys_add_gen_i((int *)__p, __v);
542 }
543 __DEVICE__ unsigned int __uAtomicAnd(unsigned int *__p, unsigned int __v) {
544   return __nvvm_atom_and_gen_i((int *)__p, __v);
545 }
546 __DEVICE__ unsigned int __uAtomicAnd_block(unsigned int *__p,
547                                            unsigned int __v) {
548   return __nvvm_atom_cta_and_gen_i((int *)__p, __v);
549 }
550 __DEVICE__ unsigned int __uAtomicAnd_system(unsigned int *__p,
551                                             unsigned int __v) {
552   return __nvvm_atom_sys_and_gen_i((int *)__p, __v);
553 }
554 __DEVICE__ unsigned int __uAtomicCAS(unsigned int *__p, unsigned int __cmp,
555                                      unsigned int __v) {
556   return __nvvm_atom_cas_gen_i((int *)__p, __cmp, __v);
557 }
558 __DEVICE__ unsigned int
559 __uAtomicCAS_block(unsigned int *__p, unsigned int __cmp, unsigned int __v) {
560   return __nvvm_atom_cta_cas_gen_i((int *)__p, __cmp, __v);
561 }
562 __DEVICE__ unsigned int
563 __uAtomicCAS_system(unsigned int *__p, unsigned int __cmp, unsigned int __v) {
564   return __nvvm_atom_sys_cas_gen_i((int *)__p, __cmp, __v);
565 }
566 __DEVICE__ unsigned int __uAtomicDec(unsigned int *__p, unsigned int __v) {
567   return __nvvm_atom_dec_gen_ui(__p, __v);
568 }
569 __DEVICE__ unsigned int __uAtomicDec_block(unsigned int *__p,
570                                            unsigned int __v) {
571   return __nvvm_atom_cta_dec_gen_ui(__p, __v);
572 }
573 __DEVICE__ unsigned int __uAtomicDec_system(unsigned int *__p,
574                                             unsigned int __v) {
575   return __nvvm_atom_sys_dec_gen_ui(__p, __v);
576 }
577 __DEVICE__ unsigned int __uAtomicExch(unsigned int *__p, unsigned int __v) {
578   return __nvvm_atom_xchg_gen_i((int *)__p, __v);
579 }
580 __DEVICE__ unsigned int __uAtomicExch_block(unsigned int *__p,
581                                             unsigned int __v) {
582   return __nvvm_atom_cta_xchg_gen_i((int *)__p, __v);
583 }
584 __DEVICE__ unsigned int __uAtomicExch_system(unsigned int *__p,
585                                              unsigned int __v) {
586   return __nvvm_atom_sys_xchg_gen_i((int *)__p, __v);
587 }
588 __DEVICE__ unsigned int __uAtomicInc(unsigned int *__p, unsigned int __v) {
589   return __nvvm_atom_inc_gen_ui(__p, __v);
590 }
591 __DEVICE__ unsigned int __uAtomicInc_block(unsigned int *__p,
592                                            unsigned int __v) {
593   return __nvvm_atom_cta_inc_gen_ui(__p, __v);
594 }
595 __DEVICE__ unsigned int __uAtomicInc_system(unsigned int *__p,
596                                             unsigned int __v) {
597   return __nvvm_atom_sys_inc_gen_ui(__p, __v);
598 }
599 __DEVICE__ unsigned int __uAtomicMax(unsigned int *__p, unsigned int __v) {
600   return __nvvm_atom_max_gen_ui(__p, __v);
601 }
602 __DEVICE__ unsigned int __uAtomicMax_block(unsigned int *__p,
603                                            unsigned int __v) {
604   return __nvvm_atom_cta_max_gen_ui(__p, __v);
605 }
606 __DEVICE__ unsigned int __uAtomicMax_system(unsigned int *__p,
607                                             unsigned int __v) {
608   return __nvvm_atom_sys_max_gen_ui(__p, __v);
609 }
610 __DEVICE__ unsigned int __uAtomicMin(unsigned int *__p, unsigned int __v) {
611   return __nvvm_atom_min_gen_ui(__p, __v);
612 }
613 __DEVICE__ unsigned int __uAtomicMin_block(unsigned int *__p,
614                                            unsigned int __v) {
615   return __nvvm_atom_cta_min_gen_ui(__p, __v);
616 }
617 __DEVICE__ unsigned int __uAtomicMin_system(unsigned int *__p,
618                                             unsigned int __v) {
619   return __nvvm_atom_sys_min_gen_ui(__p, __v);
620 }
621 __DEVICE__ unsigned int __uAtomicOr(unsigned int *__p, unsigned int __v) {
622   return __nvvm_atom_or_gen_i((int *)__p, __v);
623 }
624 __DEVICE__ unsigned int __uAtomicOr_block(unsigned int *__p, unsigned int __v) {
625   return __nvvm_atom_cta_or_gen_i((int *)__p, __v);
626 }
627 __DEVICE__ unsigned int __uAtomicOr_system(unsigned int *__p,
628                                            unsigned int __v) {
629   return __nvvm_atom_sys_or_gen_i((int *)__p, __v);
630 }
631 __DEVICE__ unsigned int __uAtomicXor(unsigned int *__p, unsigned int __v) {
632   return __nvvm_atom_xor_gen_i((int *)__p, __v);
633 }
634 __DEVICE__ unsigned int __uAtomicXor_block(unsigned int *__p,
635                                            unsigned int __v) {
636   return __nvvm_atom_cta_xor_gen_i((int *)__p, __v);
637 }
638 __DEVICE__ unsigned int __uAtomicXor_system(unsigned int *__p,
639                                             unsigned int __v) {
640   return __nvvm_atom_sys_xor_gen_i((int *)__p, __v);
641 }
642 __DEVICE__ unsigned int __uhadd(unsigned int __a, unsigned int __b) {
643   return __nv_uhadd(__a, __b);
644 }
645 __DEVICE__ double __uint2double_rn(unsigned int __a) {
646   return __nv_uint2double_rn(__a);
647 }
648 __DEVICE__ float __uint2float_rd(unsigned int __a) {
649   return __nv_uint2float_rd(__a);
650 }
651 __DEVICE__ float __uint2float_rn(unsigned int __a) {
652   return __nv_uint2float_rn(__a);
653 }
654 __DEVICE__ float __uint2float_ru(unsigned int __a) {
655   return __nv_uint2float_ru(__a);
656 }
657 __DEVICE__ float __uint2float_rz(unsigned int __a) {
658   return __nv_uint2float_rz(__a);
659 }
660 __DEVICE__ float __uint_as_float(unsigned int __a) {
661   return __nv_uint_as_float(__a);
662 } //
663 __DEVICE__ double __ull2double_rd(unsigned long long __a) {
664   return __nv_ull2double_rd(__a);
665 }
666 __DEVICE__ double __ull2double_rn(unsigned long long __a) {
667   return __nv_ull2double_rn(__a);
668 }
669 __DEVICE__ double __ull2double_ru(unsigned long long __a) {
670   return __nv_ull2double_ru(__a);
671 }
672 __DEVICE__ double __ull2double_rz(unsigned long long __a) {
673   return __nv_ull2double_rz(__a);
674 }
675 __DEVICE__ float __ull2float_rd(unsigned long long __a) {
676   return __nv_ull2float_rd(__a);
677 }
678 __DEVICE__ float __ull2float_rn(unsigned long long __a) {
679   return __nv_ull2float_rn(__a);
680 }
681 __DEVICE__ float __ull2float_ru(unsigned long long __a) {
682   return __nv_ull2float_ru(__a);
683 }
684 __DEVICE__ float __ull2float_rz(unsigned long long __a) {
685   return __nv_ull2float_rz(__a);
686 }
687 __DEVICE__ unsigned long long __ullAtomicAdd(unsigned long long *__p,
688                                              unsigned long long __v) {
689   return __nvvm_atom_add_gen_ll((long long *)__p, __v);
690 }
691 __DEVICE__ unsigned long long __ullAtomicAdd_block(unsigned long long *__p,
692                                                    unsigned long long __v) {
693   return __nvvm_atom_cta_add_gen_ll((long long *)__p, __v);
694 }
695 __DEVICE__ unsigned long long __ullAtomicAdd_system(unsigned long long *__p,
696                                                     unsigned long long __v) {
697   return __nvvm_atom_sys_add_gen_ll((long long *)__p, __v);
698 }
699 __DEVICE__ unsigned long long __ullAtomicAnd(unsigned long long *__p,
700                                              unsigned long long __v) {
701   return __nvvm_atom_and_gen_ll((long long *)__p, __v);
702 }
703 __DEVICE__ unsigned long long __ullAtomicAnd_block(unsigned long long *__p,
704                                                    unsigned long long __v) {
705   return __nvvm_atom_cta_and_gen_ll((long long *)__p, __v);
706 }
707 __DEVICE__ unsigned long long __ullAtomicAnd_system(unsigned long long *__p,
708                                                     unsigned long long __v) {
709   return __nvvm_atom_sys_and_gen_ll((long long *)__p, __v);
710 }
711 __DEVICE__ unsigned long long __ullAtomicCAS(unsigned long long *__p,
712                                              unsigned long long __cmp,
713                                              unsigned long long __v) {
714   return __nvvm_atom_cas_gen_ll((long long *)__p, __cmp, __v);
715 }
716 __DEVICE__ unsigned long long __ullAtomicCAS_block(unsigned long long *__p,
717                                                    unsigned long long __cmp,
718                                                    unsigned long long __v) {
719   return __nvvm_atom_cta_cas_gen_ll((long long *)__p, __cmp, __v);
720 }
721 __DEVICE__ unsigned long long __ullAtomicCAS_system(unsigned long long *__p,
722                                                     unsigned long long __cmp,
723                                                     unsigned long long __v) {
724   return __nvvm_atom_sys_cas_gen_ll((long long *)__p, __cmp, __v);
725 }
726 __DEVICE__ unsigned long long __ullAtomicExch(unsigned long long *__p,
727                                               unsigned long long __v) {
728   return __nvvm_atom_xchg_gen_ll((long long *)__p, __v);
729 }
730 __DEVICE__ unsigned long long __ullAtomicExch_block(unsigned long long *__p,
731                                                     unsigned long long __v) {
732   return __nvvm_atom_cta_xchg_gen_ll((long long *)__p, __v);
733 }
734 __DEVICE__ unsigned long long __ullAtomicExch_system(unsigned long long *__p,
735                                                      unsigned long long __v) {
736   return __nvvm_atom_sys_xchg_gen_ll((long long *)__p, __v);
737 }
738 __DEVICE__ unsigned long long __ullAtomicMax(unsigned long long *__p,
739                                              unsigned long long __v) {
740   return __nvvm_atom_max_gen_ull(__p, __v);
741 }
742 __DEVICE__ unsigned long long __ullAtomicMax_block(unsigned long long *__p,
743                                                    unsigned long long __v) {
744   return __nvvm_atom_cta_max_gen_ull(__p, __v);
745 }
746 __DEVICE__ unsigned long long __ullAtomicMax_system(unsigned long long *__p,
747                                                     unsigned long long __v) {
748   return __nvvm_atom_sys_max_gen_ull(__p, __v);
749 }
750 __DEVICE__ unsigned long long __ullAtomicMin(unsigned long long *__p,
751                                              unsigned long long __v) {
752   return __nvvm_atom_min_gen_ull(__p, __v);
753 }
754 __DEVICE__ unsigned long long __ullAtomicMin_block(unsigned long long *__p,
755                                                    unsigned long long __v) {
756   return __nvvm_atom_cta_min_gen_ull(__p, __v);
757 }
758 __DEVICE__ unsigned long long __ullAtomicMin_system(unsigned long long *__p,
759                                                     unsigned long long __v) {
760   return __nvvm_atom_sys_min_gen_ull(__p, __v);
761 }
762 __DEVICE__ unsigned long long __ullAtomicOr(unsigned long long *__p,
763                                             unsigned long long __v) {
764   return __nvvm_atom_or_gen_ll((long long *)__p, __v);
765 }
766 __DEVICE__ unsigned long long __ullAtomicOr_block(unsigned long long *__p,
767                                                   unsigned long long __v) {
768   return __nvvm_atom_cta_or_gen_ll((long long *)__p, __v);
769 }
770 __DEVICE__ unsigned long long __ullAtomicOr_system(unsigned long long *__p,
771                                                    unsigned long long __v) {
772   return __nvvm_atom_sys_or_gen_ll((long long *)__p, __v);
773 }
774 __DEVICE__ unsigned long long __ullAtomicXor(unsigned long long *__p,
775                                              unsigned long long __v) {
776   return __nvvm_atom_xor_gen_ll((long long *)__p, __v);
777 }
778 __DEVICE__ unsigned long long __ullAtomicXor_block(unsigned long long *__p,
779                                                    unsigned long long __v) {
780   return __nvvm_atom_cta_xor_gen_ll((long long *)__p, __v);
781 }
782 __DEVICE__ unsigned long long __ullAtomicXor_system(unsigned long long *__p,
783                                                     unsigned long long __v) {
784   return __nvvm_atom_sys_xor_gen_ll((long long *)__p, __v);
785 }
786 __DEVICE__ unsigned int __umul24(unsigned int __a, unsigned int __b) {
787   return __nv_umul24(__a, __b);
788 }
789 __DEVICE__ unsigned long long __umul64hi(unsigned long long __a,
790                                          unsigned long long __b) {
791   return __nv_umul64hi(__a, __b);
792 }
793 __DEVICE__ unsigned int __umulhi(unsigned int __a, unsigned int __b) {
794   return __nv_umulhi(__a, __b);
795 }
796 __DEVICE__ unsigned int __urhadd(unsigned int __a, unsigned int __b) {
797   return __nv_urhadd(__a, __b);
798 }
799 __DEVICE__ unsigned int __usad(unsigned int __a, unsigned int __b,
800                                unsigned int __c) {
801   return __nv_usad(__a, __b, __c);
802 }
803 
804 #if CUDA_VERSION >= 9000 && CUDA_VERSION < 9020
805 __DEVICE__ unsigned int __vabs2(unsigned int __a) { return __nv_vabs2(__a); }
806 __DEVICE__ unsigned int __vabs4(unsigned int __a) { return __nv_vabs4(__a); }
807 __DEVICE__ unsigned int __vabsdiffs2(unsigned int __a, unsigned int __b) {
808   return __nv_vabsdiffs2(__a, __b);
809 }
810 __DEVICE__ unsigned int __vabsdiffs4(unsigned int __a, unsigned int __b) {
811   return __nv_vabsdiffs4(__a, __b);
812 }
813 __DEVICE__ unsigned int __vabsdiffu2(unsigned int __a, unsigned int __b) {
814   return __nv_vabsdiffu2(__a, __b);
815 }
816 __DEVICE__ unsigned int __vabsdiffu4(unsigned int __a, unsigned int __b) {
817   return __nv_vabsdiffu4(__a, __b);
818 }
819 __DEVICE__ unsigned int __vabsss2(unsigned int __a) {
820   return __nv_vabsss2(__a);
821 }
822 __DEVICE__ unsigned int __vabsss4(unsigned int __a) {
823   return __nv_vabsss4(__a);
824 }
825 __DEVICE__ unsigned int __vadd2(unsigned int __a, unsigned int __b) {
826   return __nv_vadd2(__a, __b);
827 }
828 __DEVICE__ unsigned int __vadd4(unsigned int __a, unsigned int __b) {
829   return __nv_vadd4(__a, __b);
830 }
831 __DEVICE__ unsigned int __vaddss2(unsigned int __a, unsigned int __b) {
832   return __nv_vaddss2(__a, __b);
833 }
834 __DEVICE__ unsigned int __vaddss4(unsigned int __a, unsigned int __b) {
835   return __nv_vaddss4(__a, __b);
836 }
837 __DEVICE__ unsigned int __vaddus2(unsigned int __a, unsigned int __b) {
838   return __nv_vaddus2(__a, __b);
839 }
840 __DEVICE__ unsigned int __vaddus4(unsigned int __a, unsigned int __b) {
841   return __nv_vaddus4(__a, __b);
842 }
843 __DEVICE__ unsigned int __vavgs2(unsigned int __a, unsigned int __b) {
844   return __nv_vavgs2(__a, __b);
845 }
846 __DEVICE__ unsigned int __vavgs4(unsigned int __a, unsigned int __b) {
847   return __nv_vavgs4(__a, __b);
848 }
849 __DEVICE__ unsigned int __vavgu2(unsigned int __a, unsigned int __b) {
850   return __nv_vavgu2(__a, __b);
851 }
852 __DEVICE__ unsigned int __vavgu4(unsigned int __a, unsigned int __b) {
853   return __nv_vavgu4(__a, __b);
854 }
855 __DEVICE__ unsigned int __vcmpeq2(unsigned int __a, unsigned int __b) {
856   return __nv_vcmpeq2(__a, __b);
857 }
858 __DEVICE__ unsigned int __vcmpeq4(unsigned int __a, unsigned int __b) {
859   return __nv_vcmpeq4(__a, __b);
860 }
861 __DEVICE__ unsigned int __vcmpges2(unsigned int __a, unsigned int __b) {
862   return __nv_vcmpges2(__a, __b);
863 }
864 __DEVICE__ unsigned int __vcmpges4(unsigned int __a, unsigned int __b) {
865   return __nv_vcmpges4(__a, __b);
866 }
867 __DEVICE__ unsigned int __vcmpgeu2(unsigned int __a, unsigned int __b) {
868   return __nv_vcmpgeu2(__a, __b);
869 }
870 __DEVICE__ unsigned int __vcmpgeu4(unsigned int __a, unsigned int __b) {
871   return __nv_vcmpgeu4(__a, __b);
872 }
873 __DEVICE__ unsigned int __vcmpgts2(unsigned int __a, unsigned int __b) {
874   return __nv_vcmpgts2(__a, __b);
875 }
876 __DEVICE__ unsigned int __vcmpgts4(unsigned int __a, unsigned int __b) {
877   return __nv_vcmpgts4(__a, __b);
878 }
879 __DEVICE__ unsigned int __vcmpgtu2(unsigned int __a, unsigned int __b) {
880   return __nv_vcmpgtu2(__a, __b);
881 }
882 __DEVICE__ unsigned int __vcmpgtu4(unsigned int __a, unsigned int __b) {
883   return __nv_vcmpgtu4(__a, __b);
884 }
885 __DEVICE__ unsigned int __vcmples2(unsigned int __a, unsigned int __b) {
886   return __nv_vcmples2(__a, __b);
887 }
888 __DEVICE__ unsigned int __vcmples4(unsigned int __a, unsigned int __b) {
889   return __nv_vcmples4(__a, __b);
890 }
891 __DEVICE__ unsigned int __vcmpleu2(unsigned int __a, unsigned int __b) {
892   return __nv_vcmpleu2(__a, __b);
893 }
894 __DEVICE__ unsigned int __vcmpleu4(unsigned int __a, unsigned int __b) {
895   return __nv_vcmpleu4(__a, __b);
896 }
897 __DEVICE__ unsigned int __vcmplts2(unsigned int __a, unsigned int __b) {
898   return __nv_vcmplts2(__a, __b);
899 }
900 __DEVICE__ unsigned int __vcmplts4(unsigned int __a, unsigned int __b) {
901   return __nv_vcmplts4(__a, __b);
902 }
903 __DEVICE__ unsigned int __vcmpltu2(unsigned int __a, unsigned int __b) {
904   return __nv_vcmpltu2(__a, __b);
905 }
906 __DEVICE__ unsigned int __vcmpltu4(unsigned int __a, unsigned int __b) {
907   return __nv_vcmpltu4(__a, __b);
908 }
909 __DEVICE__ unsigned int __vcmpne2(unsigned int __a, unsigned int __b) {
910   return __nv_vcmpne2(__a, __b);
911 }
912 __DEVICE__ unsigned int __vcmpne4(unsigned int __a, unsigned int __b) {
913   return __nv_vcmpne4(__a, __b);
914 }
915 __DEVICE__ unsigned int __vhaddu2(unsigned int __a, unsigned int __b) {
916   return __nv_vhaddu2(__a, __b);
917 }
918 __DEVICE__ unsigned int __vhaddu4(unsigned int __a, unsigned int __b) {
919   return __nv_vhaddu4(__a, __b);
920 }
921 __DEVICE__ unsigned int __vmaxs2(unsigned int __a, unsigned int __b) {
922   return __nv_vmaxs2(__a, __b);
923 }
924 __DEVICE__ unsigned int __vmaxs4(unsigned int __a, unsigned int __b) {
925   return __nv_vmaxs4(__a, __b);
926 }
927 __DEVICE__ unsigned int __vmaxu2(unsigned int __a, unsigned int __b) {
928   return __nv_vmaxu2(__a, __b);
929 }
930 __DEVICE__ unsigned int __vmaxu4(unsigned int __a, unsigned int __b) {
931   return __nv_vmaxu4(__a, __b);
932 }
933 __DEVICE__ unsigned int __vmins2(unsigned int __a, unsigned int __b) {
934   return __nv_vmins2(__a, __b);
935 }
936 __DEVICE__ unsigned int __vmins4(unsigned int __a, unsigned int __b) {
937   return __nv_vmins4(__a, __b);
938 }
939 __DEVICE__ unsigned int __vminu2(unsigned int __a, unsigned int __b) {
940   return __nv_vminu2(__a, __b);
941 }
942 __DEVICE__ unsigned int __vminu4(unsigned int __a, unsigned int __b) {
943   return __nv_vminu4(__a, __b);
944 }
945 __DEVICE__ unsigned int __vneg2(unsigned int __a) { return __nv_vneg2(__a); }
946 __DEVICE__ unsigned int __vneg4(unsigned int __a) { return __nv_vneg4(__a); }
947 __DEVICE__ unsigned int __vnegss2(unsigned int __a) {
948   return __nv_vnegss2(__a);
949 }
950 __DEVICE__ unsigned int __vnegss4(unsigned int __a) {
951   return __nv_vnegss4(__a);
952 }
953 __DEVICE__ unsigned int __vsads2(unsigned int __a, unsigned int __b) {
954   return __nv_vsads2(__a, __b);
955 }
956 __DEVICE__ unsigned int __vsads4(unsigned int __a, unsigned int __b) {
957   return __nv_vsads4(__a, __b);
958 }
959 __DEVICE__ unsigned int __vsadu2(unsigned int __a, unsigned int __b) {
960   return __nv_vsadu2(__a, __b);
961 }
962 __DEVICE__ unsigned int __vsadu4(unsigned int __a, unsigned int __b) {
963   return __nv_vsadu4(__a, __b);
964 }
965 __DEVICE__ unsigned int __vseteq2(unsigned int __a, unsigned int __b) {
966   return __nv_vseteq2(__a, __b);
967 }
968 __DEVICE__ unsigned int __vseteq4(unsigned int __a, unsigned int __b) {
969   return __nv_vseteq4(__a, __b);
970 }
971 __DEVICE__ unsigned int __vsetges2(unsigned int __a, unsigned int __b) {
972   return __nv_vsetges2(__a, __b);
973 }
974 __DEVICE__ unsigned int __vsetges4(unsigned int __a, unsigned int __b) {
975   return __nv_vsetges4(__a, __b);
976 }
977 __DEVICE__ unsigned int __vsetgeu2(unsigned int __a, unsigned int __b) {
978   return __nv_vsetgeu2(__a, __b);
979 }
980 __DEVICE__ unsigned int __vsetgeu4(unsigned int __a, unsigned int __b) {
981   return __nv_vsetgeu4(__a, __b);
982 }
983 __DEVICE__ unsigned int __vsetgts2(unsigned int __a, unsigned int __b) {
984   return __nv_vsetgts2(__a, __b);
985 }
986 __DEVICE__ unsigned int __vsetgts4(unsigned int __a, unsigned int __b) {
987   return __nv_vsetgts4(__a, __b);
988 }
989 __DEVICE__ unsigned int __vsetgtu2(unsigned int __a, unsigned int __b) {
990   return __nv_vsetgtu2(__a, __b);
991 }
992 __DEVICE__ unsigned int __vsetgtu4(unsigned int __a, unsigned int __b) {
993   return __nv_vsetgtu4(__a, __b);
994 }
995 __DEVICE__ unsigned int __vsetles2(unsigned int __a, unsigned int __b) {
996   return __nv_vsetles2(__a, __b);
997 }
998 __DEVICE__ unsigned int __vsetles4(unsigned int __a, unsigned int __b) {
999   return __nv_vsetles4(__a, __b);
1000 }
1001 __DEVICE__ unsigned int __vsetleu2(unsigned int __a, unsigned int __b) {
1002   return __nv_vsetleu2(__a, __b);
1003 }
1004 __DEVICE__ unsigned int __vsetleu4(unsigned int __a, unsigned int __b) {
1005   return __nv_vsetleu4(__a, __b);
1006 }
1007 __DEVICE__ unsigned int __vsetlts2(unsigned int __a, unsigned int __b) {
1008   return __nv_vsetlts2(__a, __b);
1009 }
1010 __DEVICE__ unsigned int __vsetlts4(unsigned int __a, unsigned int __b) {
1011   return __nv_vsetlts4(__a, __b);
1012 }
1013 __DEVICE__ unsigned int __vsetltu2(unsigned int __a, unsigned int __b) {
1014   return __nv_vsetltu2(__a, __b);
1015 }
1016 __DEVICE__ unsigned int __vsetltu4(unsigned int __a, unsigned int __b) {
1017   return __nv_vsetltu4(__a, __b);
1018 }
1019 __DEVICE__ unsigned int __vsetne2(unsigned int __a, unsigned int __b) {
1020   return __nv_vsetne2(__a, __b);
1021 }
1022 __DEVICE__ unsigned int __vsetne4(unsigned int __a, unsigned int __b) {
1023   return __nv_vsetne4(__a, __b);
1024 }
1025 __DEVICE__ unsigned int __vsub2(unsigned int __a, unsigned int __b) {
1026   return __nv_vsub2(__a, __b);
1027 }
1028 __DEVICE__ unsigned int __vsub4(unsigned int __a, unsigned int __b) {
1029   return __nv_vsub4(__a, __b);
1030 }
1031 __DEVICE__ unsigned int __vsubss2(unsigned int __a, unsigned int __b) {
1032   return __nv_vsubss2(__a, __b);
1033 }
1034 __DEVICE__ unsigned int __vsubss4(unsigned int __a, unsigned int __b) {
1035   return __nv_vsubss4(__a, __b);
1036 }
1037 __DEVICE__ unsigned int __vsubus2(unsigned int __a, unsigned int __b) {
1038   return __nv_vsubus2(__a, __b);
1039 }
1040 __DEVICE__ unsigned int __vsubus4(unsigned int __a, unsigned int __b) {
1041   return __nv_vsubus4(__a, __b);
1042 }
1043 #else // CUDA_VERSION >= 9020
1044 // CUDA no longer provides inline assembly (or bitcode) implementation of these
1045 // functions, so we have to reimplment them. The implementation is naive and is
1046 // not optimized for performance.
1047 
1048 // Helper function to convert N-bit boolean subfields into all-0 or all-1.
1049 // E.g. __bool2mask(0x01000100,8) -> 0xff00ff00
1050 //      __bool2mask(0x00010000,16) -> 0xffff0000
1051 __DEVICE__ unsigned int __bool2mask(unsigned int __a, int shift) {
1052   return (__a << shift) - __a;
1053 }
1054 __DEVICE__ unsigned int __vabs2(unsigned int __a) {
1055   unsigned int r;
1056   __asm__("vabsdiff2.s32.s32.s32 %0,%1,%2,%3;"
1057           : "=r"(r)
1058           : "r"(__a), "r"(0), "r"(0));
1059   return r;
1060 }
1061 __DEVICE__ unsigned int __vabs4(unsigned int __a) {
1062   unsigned int r;
1063   __asm__("vabsdiff4.s32.s32.s32 %0,%1,%2,%3;"
1064           : "=r"(r)
1065           : "r"(__a), "r"(0), "r"(0));
1066   return r;
1067 }
1068 __DEVICE__ unsigned int __vabsdiffs2(unsigned int __a, unsigned int __b) {
1069   unsigned int r;
1070   __asm__("vabsdiff2.s32.s32.s32 %0,%1,%2,%3;"
1071           : "=r"(r)
1072           : "r"(__a), "r"(__b), "r"(0));
1073   return r;
1074 }
1075 
1076 __DEVICE__ unsigned int __vabsdiffs4(unsigned int __a, unsigned int __b) {
1077   unsigned int r;
1078   __asm__("vabsdiff4.s32.s32.s32 %0,%1,%2,%3;"
1079           : "=r"(r)
1080           : "r"(__a), "r"(__b), "r"(0));
1081   return r;
1082 }
1083 __DEVICE__ unsigned int __vabsdiffu2(unsigned int __a, unsigned int __b) {
1084   unsigned int r;
1085   __asm__("vabsdiff2.u32.u32.u32 %0,%1,%2,%3;"
1086           : "=r"(r)
1087           : "r"(__a), "r"(__b), "r"(0));
1088   return r;
1089 }
1090 __DEVICE__ unsigned int __vabsdiffu4(unsigned int __a, unsigned int __b) {
1091   unsigned int r;
1092   __asm__("vabsdiff4.u32.u32.u32 %0,%1,%2,%3;"
1093           : "=r"(r)
1094           : "r"(__a), "r"(__b), "r"(0));
1095   return r;
1096 }
1097 __DEVICE__ unsigned int __vabsss2(unsigned int __a) {
1098   unsigned int r;
1099   __asm__("vabsdiff2.s32.s32.s32.sat %0,%1,%2,%3;"
1100           : "=r"(r)
1101           : "r"(__a), "r"(0), "r"(0));
1102   return r;
1103 }
1104 __DEVICE__ unsigned int __vabsss4(unsigned int __a) {
1105   unsigned int r;
1106   __asm__("vabsdiff4.s32.s32.s32.sat %0,%1,%2,%3;"
1107           : "=r"(r)
1108           : "r"(__a), "r"(0), "r"(0));
1109   return r;
1110 }
1111 __DEVICE__ unsigned int __vadd2(unsigned int __a, unsigned int __b) {
1112   unsigned int r;
1113   __asm__("vadd2.u32.u32.u32 %0,%1,%2,%3;"
1114           : "=r"(r)
1115           : "r"(__a), "r"(__b), "r"(0));
1116   return r;
1117 }
1118 __DEVICE__ unsigned int __vadd4(unsigned int __a, unsigned int __b) {
1119   unsigned int r;
1120   __asm__("vadd4.u32.u32.u32 %0,%1,%2,%3;"
1121           : "=r"(r)
1122           : "r"(__a), "r"(__b), "r"(0));
1123   return r;
1124 }
1125 __DEVICE__ unsigned int __vaddss2(unsigned int __a, unsigned int __b) {
1126   unsigned int r;
1127   __asm__("vadd2.s32.s32.s32.sat %0,%1,%2,%3;"
1128           : "=r"(r)
1129           : "r"(__a), "r"(__b), "r"(0));
1130   return r;
1131 }
1132 __DEVICE__ unsigned int __vaddss4(unsigned int __a, unsigned int __b) {
1133   unsigned int r;
1134   __asm__("vadd4.s32.s32.s32.sat %0,%1,%2,%3;"
1135           : "=r"(r)
1136           : "r"(__a), "r"(__b), "r"(0));
1137   return r;
1138 }
1139 __DEVICE__ unsigned int __vaddus2(unsigned int __a, unsigned int __b) {
1140   unsigned int r;
1141   __asm__("vadd2.u32.u32.u32.sat %0,%1,%2,%3;"
1142           : "=r"(r)
1143           : "r"(__a), "r"(__b), "r"(0));
1144   return r;
1145 }
1146 __DEVICE__ unsigned int __vaddus4(unsigned int __a, unsigned int __b) {
1147   unsigned int r;
1148   __asm__("vadd4.u32.u32.u32.sat %0,%1,%2,%3;"
1149           : "=r"(r)
1150           : "r"(__a), "r"(__b), "r"(0));
1151   return r;
1152 }
1153 __DEVICE__ unsigned int __vavgs2(unsigned int __a, unsigned int __b) {
1154   unsigned int r;
1155   __asm__("vavrg2.s32.s32.s32 %0,%1,%2,%3;"
1156           : "=r"(r)
1157           : "r"(__a), "r"(__b), "r"(0));
1158   return r;
1159 }
1160 __DEVICE__ unsigned int __vavgs4(unsigned int __a, unsigned int __b) {
1161   unsigned int r;
1162   __asm__("vavrg4.s32.s32.s32 %0,%1,%2,%3;"
1163           : "=r"(r)
1164           : "r"(__a), "r"(__b), "r"(0));
1165   return r;
1166 }
1167 __DEVICE__ unsigned int __vavgu2(unsigned int __a, unsigned int __b) {
1168   unsigned int r;
1169   __asm__("vavrg2.u32.u32.u32 %0,%1,%2,%3;"
1170           : "=r"(r)
1171           : "r"(__a), "r"(__b), "r"(0));
1172   return r;
1173 }
1174 __DEVICE__ unsigned int __vavgu4(unsigned int __a, unsigned int __b) {
1175   unsigned int r;
1176   __asm__("vavrg4.u32.u32.u32 %0,%1,%2,%3;"
1177           : "=r"(r)
1178           : "r"(__a), "r"(__b), "r"(0));
1179   return r;
1180 }
1181 __DEVICE__ unsigned int __vseteq2(unsigned int __a, unsigned int __b) {
1182   unsigned int r;
1183   __asm__("vset2.u32.u32.eq %0,%1,%2,%3;"
1184           : "=r"(r)
1185           : "r"(__a), "r"(__b), "r"(0));
1186   return r;
1187 }
1188 __DEVICE__ unsigned int __vcmpeq2(unsigned int __a, unsigned int __b) {
1189   return __bool2mask(__vseteq2(__a, __b), 16);
1190 }
1191 __DEVICE__ unsigned int __vseteq4(unsigned int __a, unsigned int __b) {
1192   unsigned int r;
1193   __asm__("vset4.u32.u32.eq %0,%1,%2,%3;"
1194           : "=r"(r)
1195           : "r"(__a), "r"(__b), "r"(0));
1196   return r;
1197 }
1198 __DEVICE__ unsigned int __vcmpeq4(unsigned int __a, unsigned int __b) {
1199   return __bool2mask(__vseteq4(__a, __b), 8);
1200 }
1201 __DEVICE__ unsigned int __vsetges2(unsigned int __a, unsigned int __b) {
1202   unsigned int r;
1203   __asm__("vset2.s32.s32.ge %0,%1,%2,%3;"
1204           : "=r"(r)
1205           : "r"(__a), "r"(__b), "r"(0));
1206   return r;
1207 }
1208 __DEVICE__ unsigned int __vcmpges2(unsigned int __a, unsigned int __b) {
1209   return __bool2mask(__vsetges2(__a, __b), 16);
1210 }
1211 __DEVICE__ unsigned int __vsetges4(unsigned int __a, unsigned int __b) {
1212   unsigned int r;
1213   __asm__("vset4.s32.s32.ge %0,%1,%2,%3;"
1214           : "=r"(r)
1215           : "r"(__a), "r"(__b), "r"(0));
1216   return r;
1217 }
1218 __DEVICE__ unsigned int __vcmpges4(unsigned int __a, unsigned int __b) {
1219   return __bool2mask(__vsetges4(__a, __b), 8);
1220 }
1221 __DEVICE__ unsigned int __vsetgeu2(unsigned int __a, unsigned int __b) {
1222   unsigned int r;
1223   __asm__("vset2.u32.u32.ge %0,%1,%2,%3;"
1224           : "=r"(r)
1225           : "r"(__a), "r"(__b), "r"(0));
1226   return r;
1227 }
1228 __DEVICE__ unsigned int __vcmpgeu2(unsigned int __a, unsigned int __b) {
1229   return __bool2mask(__vsetgeu2(__a, __b), 16);
1230 }
1231 __DEVICE__ unsigned int __vsetgeu4(unsigned int __a, unsigned int __b) {
1232   unsigned int r;
1233   __asm__("vset4.u32.u32.ge %0,%1,%2,%3;"
1234           : "=r"(r)
1235           : "r"(__a), "r"(__b), "r"(0));
1236   return r;
1237 }
1238 __DEVICE__ unsigned int __vcmpgeu4(unsigned int __a, unsigned int __b) {
1239   return __bool2mask(__vsetgeu4(__a, __b), 8);
1240 }
1241 __DEVICE__ unsigned int __vsetgts2(unsigned int __a, unsigned int __b) {
1242   unsigned int r;
1243   __asm__("vset2.s32.s32.gt %0,%1,%2,%3;"
1244           : "=r"(r)
1245           : "r"(__a), "r"(__b), "r"(0));
1246   return r;
1247 }
1248 __DEVICE__ unsigned int __vcmpgts2(unsigned int __a, unsigned int __b) {
1249   return __bool2mask(__vsetgts2(__a, __b), 16);
1250 }
1251 __DEVICE__ unsigned int __vsetgts4(unsigned int __a, unsigned int __b) {
1252   unsigned int r;
1253   __asm__("vset4.s32.s32.gt %0,%1,%2,%3;"
1254           : "=r"(r)
1255           : "r"(__a), "r"(__b), "r"(0));
1256   return r;
1257 }
1258 __DEVICE__ unsigned int __vcmpgts4(unsigned int __a, unsigned int __b) {
1259   return __bool2mask(__vsetgts4(__a, __b), 8);
1260 }
1261 __DEVICE__ unsigned int __vsetgtu2(unsigned int __a, unsigned int __b) {
1262   unsigned int r;
1263   __asm__("vset2.u32.u32.gt %0,%1,%2,%3;"
1264           : "=r"(r)
1265           : "r"(__a), "r"(__b), "r"(0));
1266   return r;
1267 }
1268 __DEVICE__ unsigned int __vcmpgtu2(unsigned int __a, unsigned int __b) {
1269   return __bool2mask(__vsetgtu2(__a, __b), 16);
1270 }
1271 __DEVICE__ unsigned int __vsetgtu4(unsigned int __a, unsigned int __b) {
1272   unsigned int r;
1273   __asm__("vset4.u32.u32.gt %0,%1,%2,%3;"
1274           : "=r"(r)
1275           : "r"(__a), "r"(__b), "r"(0));
1276   return r;
1277 }
1278 __DEVICE__ unsigned int __vcmpgtu4(unsigned int __a, unsigned int __b) {
1279   return __bool2mask(__vsetgtu4(__a, __b), 8);
1280 }
1281 __DEVICE__ unsigned int __vsetles2(unsigned int __a, unsigned int __b) {
1282   unsigned int r;
1283   __asm__("vset2.s32.s32.le %0,%1,%2,%3;"
1284           : "=r"(r)
1285           : "r"(__a), "r"(__b), "r"(0));
1286   return r;
1287 }
1288 __DEVICE__ unsigned int __vcmples2(unsigned int __a, unsigned int __b) {
1289   return __bool2mask(__vsetles2(__a, __b), 16);
1290 }
1291 __DEVICE__ unsigned int __vsetles4(unsigned int __a, unsigned int __b) {
1292   unsigned int r;
1293   __asm__("vset4.s32.s32.le %0,%1,%2,%3;"
1294           : "=r"(r)
1295           : "r"(__a), "r"(__b), "r"(0));
1296   return r;
1297 }
1298 __DEVICE__ unsigned int __vcmples4(unsigned int __a, unsigned int __b) {
1299   return __bool2mask(__vsetles4(__a, __b), 8);
1300 }
1301 __DEVICE__ unsigned int __vsetleu2(unsigned int __a, unsigned int __b) {
1302   unsigned int r;
1303   __asm__("vset2.u32.u32.le %0,%1,%2,%3;"
1304           : "=r"(r)
1305           : "r"(__a), "r"(__b), "r"(0));
1306   return r;
1307 }
1308 __DEVICE__ unsigned int __vcmpleu2(unsigned int __a, unsigned int __b) {
1309   return __bool2mask(__vsetleu2(__a, __b), 16);
1310 }
1311 __DEVICE__ unsigned int __vsetleu4(unsigned int __a, unsigned int __b) {
1312   unsigned int r;
1313   __asm__("vset4.u32.u32.le %0,%1,%2,%3;"
1314           : "=r"(r)
1315           : "r"(__a), "r"(__b), "r"(0));
1316   return r;
1317 }
1318 __DEVICE__ unsigned int __vcmpleu4(unsigned int __a, unsigned int __b) {
1319   return __bool2mask(__vsetleu4(__a, __b), 8);
1320 }
1321 __DEVICE__ unsigned int __vsetlts2(unsigned int __a, unsigned int __b) {
1322   unsigned int r;
1323   __asm__("vset2.s32.s32.lt %0,%1,%2,%3;"
1324           : "=r"(r)
1325           : "r"(__a), "r"(__b), "r"(0));
1326   return r;
1327 }
1328 __DEVICE__ unsigned int __vcmplts2(unsigned int __a, unsigned int __b) {
1329   return __bool2mask(__vsetlts2(__a, __b), 16);
1330 }
1331 __DEVICE__ unsigned int __vsetlts4(unsigned int __a, unsigned int __b) {
1332   unsigned int r;
1333   __asm__("vset4.s32.s32.lt %0,%1,%2,%3;"
1334           : "=r"(r)
1335           : "r"(__a), "r"(__b), "r"(0));
1336   return r;
1337 }
1338 __DEVICE__ unsigned int __vcmplts4(unsigned int __a, unsigned int __b) {
1339   return __bool2mask(__vsetlts4(__a, __b), 8);
1340 }
1341 __DEVICE__ unsigned int __vsetltu2(unsigned int __a, unsigned int __b) {
1342   unsigned int r;
1343   __asm__("vset2.u32.u32.lt %0,%1,%2,%3;"
1344           : "=r"(r)
1345           : "r"(__a), "r"(__b), "r"(0));
1346   return r;
1347 }
1348 __DEVICE__ unsigned int __vcmpltu2(unsigned int __a, unsigned int __b) {
1349   return __bool2mask(__vsetltu2(__a, __b), 16);
1350 }
1351 __DEVICE__ unsigned int __vsetltu4(unsigned int __a, unsigned int __b) {
1352   unsigned int r;
1353   __asm__("vset4.u32.u32.lt %0,%1,%2,%3;"
1354           : "=r"(r)
1355           : "r"(__a), "r"(__b), "r"(0));
1356   return r;
1357 }
1358 __DEVICE__ unsigned int __vcmpltu4(unsigned int __a, unsigned int __b) {
1359   return __bool2mask(__vsetltu4(__a, __b), 8);
1360 }
1361 __DEVICE__ unsigned int __vsetne2(unsigned int __a, unsigned int __b) {
1362   unsigned int r;
1363   __asm__("vset2.u32.u32.ne %0,%1,%2,%3;"
1364           : "=r"(r)
1365           : "r"(__a), "r"(__b), "r"(0));
1366   return r;
1367 }
1368 __DEVICE__ unsigned int __vcmpne2(unsigned int __a, unsigned int __b) {
1369   return __bool2mask(__vsetne2(__a, __b), 16);
1370 }
1371 __DEVICE__ unsigned int __vsetne4(unsigned int __a, unsigned int __b) {
1372   unsigned int r;
1373   __asm__("vset4.u32.u32.ne %0,%1,%2,%3;"
1374           : "=r"(r)
1375           : "r"(__a), "r"(__b), "r"(0));
1376   return r;
1377 }
1378 __DEVICE__ unsigned int __vcmpne4(unsigned int __a, unsigned int __b) {
1379   return __bool2mask(__vsetne4(__a, __b), 8);
1380 }
1381 
1382 // Based on ITEM 23 in AIM-239: http://dspace.mit.edu/handle/1721.1/6086
1383 // (a & b) + (a | b) = a + b = (a ^ b) + 2 * (a & b) =>
1384 // (a + b) / 2 = ((a ^ b) >> 1) + (a & b)
1385 // To operate on multiple sub-elements we need to make sure to mask out bits
1386 // that crossed over into adjacent elements during the shift.
1387 __DEVICE__ unsigned int __vhaddu2(unsigned int __a, unsigned int __b) {
1388   return (((__a ^ __b) >> 1) & ~0x80008000u) + (__a & __b);
1389 }
1390 __DEVICE__ unsigned int __vhaddu4(unsigned int __a, unsigned int __b) {
1391   return (((__a ^ __b) >> 1) & ~0x80808080u) + (__a & __b);
1392 }
1393 
1394 __DEVICE__ unsigned int __vmaxs2(unsigned int __a, unsigned int __b) {
1395   unsigned int r;
1396   if ((__a & 0x8000) && (__b & 0x8000)) {
1397     // Work around a bug in ptxas which produces invalid result if low element
1398     // is negative.
1399     unsigned mask = __vcmpgts2(__a, __b);
1400     r = (__a & mask) | (__b & ~mask);
1401   } else {
1402     __asm__("vmax2.s32.s32.s32 %0,%1,%2,%3;"
1403             : "=r"(r)
1404             : "r"(__a), "r"(__b), "r"(0));
1405   }
1406   return r;
1407 }
1408 __DEVICE__ unsigned int __vmaxs4(unsigned int __a, unsigned int __b) {
1409   unsigned int r;
1410   __asm__("vmax4.s32.s32.s32 %0,%1,%2,%3;"
1411           : "=r"(r)
1412           : "r"(__a), "r"(__b), "r"(0));
1413   return r;
1414 }
1415 __DEVICE__ unsigned int __vmaxu2(unsigned int __a, unsigned int __b) {
1416   unsigned int r;
1417   __asm__("vmax2.u32.u32.u32 %0,%1,%2,%3;"
1418           : "=r"(r)
1419           : "r"(__a), "r"(__b), "r"(0));
1420   return r;
1421 }
1422 __DEVICE__ unsigned int __vmaxu4(unsigned int __a, unsigned int __b) {
1423   unsigned int r;
1424   __asm__("vmax4.u32.u32.u32 %0,%1,%2,%3;"
1425           : "=r"(r)
1426           : "r"(__a), "r"(__b), "r"(0));
1427   return r;
1428 }
1429 __DEVICE__ unsigned int __vmins2(unsigned int __a, unsigned int __b) {
1430   unsigned int r;
1431   __asm__("vmin2.s32.s32.s32 %0,%1,%2,%3;"
1432           : "=r"(r)
1433           : "r"(__a), "r"(__b), "r"(0));
1434   return r;
1435 }
1436 __DEVICE__ unsigned int __vmins4(unsigned int __a, unsigned int __b) {
1437   unsigned int r;
1438   __asm__("vmin4.s32.s32.s32 %0,%1,%2,%3;"
1439           : "=r"(r)
1440           : "r"(__a), "r"(__b), "r"(0));
1441   return r;
1442 }
1443 __DEVICE__ unsigned int __vminu2(unsigned int __a, unsigned int __b) {
1444   unsigned int r;
1445   __asm__("vmin2.u32.u32.u32 %0,%1,%2,%3;"
1446           : "=r"(r)
1447           : "r"(__a), "r"(__b), "r"(0));
1448   return r;
1449 }
1450 __DEVICE__ unsigned int __vminu4(unsigned int __a, unsigned int __b) {
1451   unsigned int r;
1452   __asm__("vmin4.u32.u32.u32 %0,%1,%2,%3;"
1453           : "=r"(r)
1454           : "r"(__a), "r"(__b), "r"(0));
1455   return r;
1456 }
1457 __DEVICE__ unsigned int __vsads2(unsigned int __a, unsigned int __b) {
1458   unsigned int r;
1459   __asm__("vabsdiff2.s32.s32.s32.add %0,%1,%2,%3;"
1460           : "=r"(r)
1461           : "r"(__a), "r"(__b), "r"(0));
1462   return r;
1463 }
1464 __DEVICE__ unsigned int __vsads4(unsigned int __a, unsigned int __b) {
1465   unsigned int r;
1466   __asm__("vabsdiff4.s32.s32.s32.add %0,%1,%2,%3;"
1467           : "=r"(r)
1468           : "r"(__a), "r"(__b), "r"(0));
1469   return r;
1470 }
1471 __DEVICE__ unsigned int __vsadu2(unsigned int __a, unsigned int __b) {
1472   unsigned int r;
1473   __asm__("vabsdiff2.u32.u32.u32.add %0,%1,%2,%3;"
1474           : "=r"(r)
1475           : "r"(__a), "r"(__b), "r"(0));
1476   return r;
1477 }
1478 __DEVICE__ unsigned int __vsadu4(unsigned int __a, unsigned int __b) {
1479   unsigned int r;
1480   __asm__("vabsdiff4.u32.u32.u32.add %0,%1,%2,%3;"
1481           : "=r"(r)
1482           : "r"(__a), "r"(__b), "r"(0));
1483   return r;
1484 }
1485 
1486 __DEVICE__ unsigned int __vsub2(unsigned int __a, unsigned int __b) {
1487   unsigned int r;
1488   __asm__("vsub2.u32.u32.u32 %0,%1,%2,%3;"
1489           : "=r"(r)
1490           : "r"(__a), "r"(__b), "r"(0));
1491   return r;
1492 }
1493 __DEVICE__ unsigned int __vneg2(unsigned int __a) { return __vsub2(0, __a); }
1494 
1495 __DEVICE__ unsigned int __vsub4(unsigned int __a, unsigned int __b) {
1496   unsigned int r;
1497   __asm__("vsub4.u32.u32.u32 %0,%1,%2,%3;"
1498           : "=r"(r)
1499           : "r"(__a), "r"(__b), "r"(0));
1500   return r;
1501 }
1502 __DEVICE__ unsigned int __vneg4(unsigned int __a) { return __vsub4(0, __a); }
1503 __DEVICE__ unsigned int __vsubss2(unsigned int __a, unsigned int __b) {
1504   unsigned int r;
1505   __asm__("vsub2.s32.s32.s32.sat %0,%1,%2,%3;"
1506           : "=r"(r)
1507           : "r"(__a), "r"(__b), "r"(0));
1508   return r;
1509 }
1510 __DEVICE__ unsigned int __vnegss2(unsigned int __a) {
1511   return __vsubss2(0, __a);
1512 }
1513 __DEVICE__ unsigned int __vsubss4(unsigned int __a, unsigned int __b) {
1514   unsigned int r;
1515   __asm__("vsub4.s32.s32.s32.sat %0,%1,%2,%3;"
1516           : "=r"(r)
1517           : "r"(__a), "r"(__b), "r"(0));
1518   return r;
1519 }
1520 __DEVICE__ unsigned int __vnegss4(unsigned int __a) {
1521   return __vsubss4(0, __a);
1522 }
1523 __DEVICE__ unsigned int __vsubus2(unsigned int __a, unsigned int __b) {
1524   unsigned int r;
1525   __asm__("vsub2.u32.u32.u32.sat %0,%1,%2,%3;"
1526           : "=r"(r)
1527           : "r"(__a), "r"(__b), "r"(0));
1528   return r;
1529 }
1530 __DEVICE__ unsigned int __vsubus4(unsigned int __a, unsigned int __b) {
1531   unsigned int r;
1532   __asm__("vsub4.u32.u32.u32.sat %0,%1,%2,%3;"
1533           : "=r"(r)
1534           : "r"(__a), "r"(__b), "r"(0));
1535   return r;
1536 }
1537 #endif // CUDA_VERSION >= 9020
1538 
1539 // For OpenMP we require the user to include <time.h> as we need to know what
1540 // clock_t is on the system.
1541 #ifndef __OPENMP_NVPTX__
1542 __DEVICE__ /* clock_t= */ int clock() { return __nvvm_read_ptx_sreg_clock(); }
1543 #endif
1544 __DEVICE__ long long clock64() { return __nvvm_read_ptx_sreg_clock64(); }
1545 
1546 // These functions shouldn't be declared when including this header
1547 // for math function resolution purposes.
1548 #ifndef __OPENMP_NVPTX__
1549 __DEVICE__ void *memcpy(void *__a, const void *__b, size_t __c) {
1550   return __builtin_memcpy(__a, __b, __c);
1551 }
1552 __DEVICE__ void *memset(void *__a, int __b, size_t __c) {
1553   return __builtin_memset(__a, __b, __c);
1554 }
1555 #endif
1556 
1557 #pragma pop_macro("__DEVICE__")
1558 #endif // __CLANG_CUDA_DEVICE_FUNCTIONS_H__
1559