xref: /freebsd/contrib/llvm-project/clang/lib/Headers/amxintrin.h (revision bdd1243df58e60e85101c09001d9812a789b6bc4)
1 /*===--------------- amxintrin.h - AMX intrinsics -*- C/C++ -*---------------===
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 __IMMINTRIN_H
11 #error "Never use <amxintrin.h> directly; include <immintrin.h> instead."
12 #endif /* __IMMINTRIN_H */
13 
14 #ifndef __AMXINTRIN_H
15 #define __AMXINTRIN_H
16 #ifdef __x86_64__
17 
18 /* Define the default attributes for the functions in this file. */
19 #define __DEFAULT_FN_ATTRS_TILE                                                \
20   __attribute__((__always_inline__, __nodebug__, __target__("amx-tile")))
21 #define __DEFAULT_FN_ATTRS_INT8                                                \
22   __attribute__((__always_inline__, __nodebug__, __target__("amx-int8")))
23 #define __DEFAULT_FN_ATTRS_BF16                                                \
24   __attribute__((__always_inline__, __nodebug__, __target__("amx-bf16")))
25 #define __DEFAULT_FN_ATTRS_FP16                                                \
26   __attribute__((__always_inline__, __nodebug__, __target__("amx-fp16")))
27 
28 /// Load tile configuration from a 64-byte memory location specified by
29 /// "mem_addr". The tile configuration includes the tile type palette, the
30 /// number of bytes per row, and the number of rows. If the specified
31 /// palette_id is zero, that signifies the init state for both the tile
32 /// config and the tile data, and the tiles are zeroed. Any invalid
33 /// configurations will result in #GP fault.
34 ///
35 /// \headerfile <immintrin.h>
36 ///
37 /// This intrinsic corresponds to the <c> LDTILECFG </c> instruction.
38 ///
39 /// \param __config
40 ///    A pointer to 512-bits configuration
41 static __inline__ void __DEFAULT_FN_ATTRS_TILE
_tile_loadconfig(const void * __config)42 _tile_loadconfig(const void *__config) {
43   __builtin_ia32_tile_loadconfig(__config);
44 }
45 
46 /// Stores the current tile configuration to a 64-byte memory location
47 /// specified by "mem_addr". The tile configuration includes the tile type
48 /// palette, the number of bytes per row, and the number of rows. If tiles
49 /// are not configured, all zeroes will be stored to memory.
50 ///
51 /// \headerfile <immintrin.h>
52 ///
53 /// This intrinsic corresponds to the <c> STTILECFG </c> instruction.
54 ///
55 /// \param __config
56 ///    A pointer to 512-bits configuration
57 static __inline__ void __DEFAULT_FN_ATTRS_TILE
_tile_storeconfig(void * __config)58 _tile_storeconfig(void *__config) {
59   __builtin_ia32_tile_storeconfig(__config);
60 }
61 
62 /// Release the tile configuration to return to the init state, which
63 /// releases all storage it currently holds.
64 ///
65 /// \headerfile <immintrin.h>
66 ///
67 /// This intrinsic corresponds to the <c> TILERELEASE </c> instruction.
_tile_release(void)68 static __inline__ void __DEFAULT_FN_ATTRS_TILE _tile_release(void) {
69   __builtin_ia32_tilerelease();
70 }
71 
72 /// Load tile rows from memory specifieid by "base" address and "stride" into
73 /// destination tile "dst" using the tile configuration previously configured
74 /// via "_tile_loadconfig".
75 ///
76 /// \headerfile <immintrin.h>
77 ///
78 /// This intrinsic corresponds to the <c> TILELOADD </c> instruction.
79 ///
80 /// \param dst
81 ///    A destination tile. Max size is 1024 Bytes.
82 /// \param base
83 ///    A pointer to base address.
84 /// \param stride
85 ///    The stride between the rows' data to be loaded in memory.
86 #define _tile_loadd(dst, base, stride)                                         \
87   __builtin_ia32_tileloadd64((dst), ((const void *)(base)),                    \
88                              (__SIZE_TYPE__)(stride))
89 
90 /// Load tile rows from memory specifieid by "base" address and "stride" into
91 /// destination tile "dst" using the tile configuration previously configured
92 /// via "_tile_loadconfig". This intrinsic provides a hint to the implementation
93 /// that the data will likely not be reused in the near future and the data
94 /// caching can be optimized accordingly.
95 ///
96 /// \headerfile <immintrin.h>
97 ///
98 /// This intrinsic corresponds to the <c> TILELOADDT1 </c> instruction.
99 ///
100 /// \param dst
101 ///    A destination tile. Max size is 1024 Bytes.
102 /// \param base
103 ///    A pointer to base address.
104 /// \param stride
105 ///    The stride between the rows' data to be loaded in memory.
106 #define _tile_stream_loadd(dst, base, stride)                                  \
107   __builtin_ia32_tileloaddt164((dst), ((const void *)(base)),                  \
108                                (__SIZE_TYPE__)(stride))
109 
110 /// Store the tile specified by "src" to memory specifieid by "base" address and
111 /// "stride" using the tile configuration previously configured via
112 /// "_tile_loadconfig".
113 ///
114 /// \headerfile <immintrin.h>
115 ///
116 /// This intrinsic corresponds to the <c> TILESTORED </c> instruction.
117 ///
118 /// \param dst
119 ///    A destination tile. Max size is 1024 Bytes.
120 /// \param base
121 ///    A pointer to base address.
122 /// \param stride
123 ///    The stride between the rows' data to be stored in memory.
124 #define _tile_stored(dst, base, stride)                                        \
125   __builtin_ia32_tilestored64((dst), ((void *)(base)), (__SIZE_TYPE__)(stride))
126 
127 /// Zero the tile specified by "tdest".
128 ///
129 /// \headerfile <immintrin.h>
130 ///
131 /// This intrinsic corresponds to the <c> TILEZERO </c> instruction.
132 ///
133 /// \param tile
134 ///    The destination tile to be zero. Max size is 1024 Bytes.
135 #define _tile_zero(tile) __builtin_ia32_tilezero((tile))
136 
137 /// Compute dot-product of bytes in tiles with a source/destination accumulator.
138 /// Multiply groups of 4 adjacent pairs of signed 8-bit integers in src0 with
139 /// corresponding signed 8-bit integers in src1, producing 4 intermediate 32-bit
140 /// results. Sum these 4 results with the corresponding 32-bit integer in "dst",
141 /// and store the 32-bit result back to tile "dst".
142 ///
143 /// \headerfile <immintrin.h>
144 ///
145 /// This intrinsic corresponds to the <c> TDPBSSD </c> instruction.
146 ///
147 /// \param dst
148 ///    The destination tile. Max size is 1024 Bytes.
149 /// \param src0
150 ///    The 1st source tile. Max size is 1024 Bytes.
151 /// \param src1
152 ///    The 2nd source tile. Max size is 1024 Bytes.
153 #define _tile_dpbssd(dst, src0, src1)                                          \
154   __builtin_ia32_tdpbssd((dst), (src0), (src1))
155 
156 /// Compute dot-product of bytes in tiles with a source/destination accumulator.
157 /// Multiply groups of 4 adjacent pairs of signed 8-bit integers in src0 with
158 /// corresponding unsigned 8-bit integers in src1, producing 4 intermediate
159 /// 32-bit results. Sum these 4 results with the corresponding 32-bit integer
160 /// in "dst", and store the 32-bit result back to tile "dst".
161 ///
162 /// \headerfile <immintrin.h>
163 ///
164 /// This intrinsic corresponds to the <c> TDPBSUD </c> instruction.
165 ///
166 /// \param dst
167 ///    The destination tile. Max size is 1024 Bytes.
168 /// \param src0
169 ///    The 1st source tile. Max size is 1024 Bytes.
170 /// \param src1
171 ///    The 2nd source tile. Max size is 1024 Bytes.
172 #define _tile_dpbsud(dst, src0, src1)                                          \
173   __builtin_ia32_tdpbsud((dst), (src0), (src1))
174 
175 /// Compute dot-product of bytes in tiles with a source/destination accumulator.
176 /// Multiply groups of 4 adjacent pairs of unsigned 8-bit integers in src0 with
177 /// corresponding signed 8-bit integers in src1, producing 4 intermediate 32-bit
178 /// results. Sum these 4 results with the corresponding 32-bit integer in "dst",
179 /// and store the 32-bit result back to tile "dst".
180 ///
181 /// \headerfile <immintrin.h>
182 ///
183 /// This intrinsic corresponds to the <c> TDPBUSD </c> instruction.
184 ///
185 /// \param dst
186 ///    The destination tile. Max size is 1024 Bytes.
187 /// \param src0
188 ///    The 1st source tile. Max size is 1024 Bytes.
189 /// \param src1
190 ///    The 2nd source tile. Max size is 1024 Bytes.
191 #define _tile_dpbusd(dst, src0, src1)                                          \
192   __builtin_ia32_tdpbusd((dst), (src0), (src1))
193 
194 /// Compute dot-product of bytes in tiles with a source/destination accumulator.
195 /// Multiply groups of 4 adjacent pairs of unsigned 8-bit integers in src0 with
196 /// corresponding unsigned 8-bit integers in src1, producing 4 intermediate
197 /// 32-bit results. Sum these 4 results with the corresponding 32-bit integer in
198 /// "dst", and store the 32-bit result back to tile "dst".
199 ///
200 /// \headerfile <immintrin.h>
201 ///
202 /// This intrinsic corresponds to the <c> TDPBUUD </c> instruction.
203 ///
204 /// \param dst
205 ///    The destination tile. Max size is 1024 Bytes.
206 /// \param src0
207 ///    The 1st source tile. Max size is 1024 Bytes.
208 /// \param src1
209 ///    The 2nd source tile. Max size is 1024 Bytes.
210 #define _tile_dpbuud(dst, src0, src1)                                          \
211   __builtin_ia32_tdpbuud((dst), (src0), (src1))
212 
213 /// Compute dot-product of BF16 (16-bit) floating-point pairs in tiles src0 and
214 /// src1, accumulating the intermediate single-precision (32-bit) floating-point
215 /// elements with elements in "dst", and store the 32-bit result back to tile
216 /// "dst".
217 ///
218 /// \headerfile <immintrin.h>
219 ///
220 /// This intrinsic corresponds to the <c> TDPBF16PS </c> instruction.
221 ///
222 /// \param dst
223 ///    The destination tile. Max size is 1024 Bytes.
224 /// \param src0
225 ///    The 1st source tile. Max size is 1024 Bytes.
226 /// \param src1
227 ///    The 2nd source tile. Max size is 1024 Bytes.
228 #define _tile_dpbf16ps(dst, src0, src1)                                        \
229   __builtin_ia32_tdpbf16ps((dst), (src0), (src1))
230 
231 /// AMX tile register size can be configured, the maximum size is 16x64=1024
232 /// bytes. Since there is no 2D type in llvm IR, we use vector type to
233 /// represent 2D tile and the fixed size is maximum amx tile register size.
234 typedef int _tile1024i __attribute__((__vector_size__(1024), __aligned__(64)));
235 
236 /// This is internal intrinsic. C/C++ user should avoid calling it directly.
237 static __inline__ _tile1024i __DEFAULT_FN_ATTRS_INT8
_tile_loadd_internal(unsigned short m,unsigned short n,const void * base,__SIZE_TYPE__ stride)238 _tile_loadd_internal(unsigned short m, unsigned short n, const void *base,
239                      __SIZE_TYPE__ stride) {
240   return __builtin_ia32_tileloadd64_internal(m, n, base,
241                                              (__SIZE_TYPE__)(stride));
242 }
243 
244 /// This is internal intrinsic. C/C++ user should avoid calling it directly.
245 static __inline__ _tile1024i __DEFAULT_FN_ATTRS_INT8
_tile_loaddt1_internal(unsigned short m,unsigned short n,const void * base,__SIZE_TYPE__ stride)246 _tile_loaddt1_internal(unsigned short m, unsigned short n, const void *base,
247                        __SIZE_TYPE__ stride) {
248   return __builtin_ia32_tileloaddt164_internal(m, n, base,
249                                                (__SIZE_TYPE__)(stride));
250 }
251 
252 /// This is internal intrinsic. C/C++ user should avoid calling it directly.
253 static __inline__ _tile1024i __DEFAULT_FN_ATTRS_INT8
_tile_dpbssd_internal(unsigned short m,unsigned short n,unsigned short k,_tile1024i dst,_tile1024i src1,_tile1024i src2)254 _tile_dpbssd_internal(unsigned short m, unsigned short n, unsigned short k,
255                       _tile1024i dst, _tile1024i src1, _tile1024i src2) {
256   return __builtin_ia32_tdpbssd_internal(m, n, k, dst, src1, src2);
257 }
258 
259 /// This is internal intrinsic. C/C++ user should avoid calling it directly.
260 static __inline__ _tile1024i __DEFAULT_FN_ATTRS_INT8
_tile_dpbsud_internal(unsigned short m,unsigned short n,unsigned short k,_tile1024i dst,_tile1024i src1,_tile1024i src2)261 _tile_dpbsud_internal(unsigned short m, unsigned short n, unsigned short k,
262                       _tile1024i dst, _tile1024i src1, _tile1024i src2) {
263   return __builtin_ia32_tdpbsud_internal(m, n, k, dst, src1, src2);
264 }
265 
266 /// This is internal intrinsic. C/C++ user should avoid calling it directly.
267 static __inline__ _tile1024i __DEFAULT_FN_ATTRS_INT8
_tile_dpbusd_internal(unsigned short m,unsigned short n,unsigned short k,_tile1024i dst,_tile1024i src1,_tile1024i src2)268 _tile_dpbusd_internal(unsigned short m, unsigned short n, unsigned short k,
269                       _tile1024i dst, _tile1024i src1, _tile1024i src2) {
270   return __builtin_ia32_tdpbusd_internal(m, n, k, dst, src1, src2);
271 }
272 
273 /// This is internal intrinsic. C/C++ user should avoid calling it directly.
274 static __inline__ _tile1024i __DEFAULT_FN_ATTRS_INT8
_tile_dpbuud_internal(unsigned short m,unsigned short n,unsigned short k,_tile1024i dst,_tile1024i src1,_tile1024i src2)275 _tile_dpbuud_internal(unsigned short m, unsigned short n, unsigned short k,
276                       _tile1024i dst, _tile1024i src1, _tile1024i src2) {
277   return __builtin_ia32_tdpbuud_internal(m, n, k, dst, src1, src2);
278 }
279 
280 /// This is internal intrinsic. C/C++ user should avoid calling it directly.
281 static __inline__ void __DEFAULT_FN_ATTRS_INT8
_tile_stored_internal(unsigned short m,unsigned short n,void * base,__SIZE_TYPE__ stride,_tile1024i tile)282 _tile_stored_internal(unsigned short m, unsigned short n, void *base,
283                       __SIZE_TYPE__ stride, _tile1024i tile) {
284   return __builtin_ia32_tilestored64_internal(m, n, base,
285                                               (__SIZE_TYPE__)(stride), tile);
286 }
287 
288 /// This is internal intrinsic. C/C++ user should avoid calling it directly.
289 static __inline__ _tile1024i __DEFAULT_FN_ATTRS_BF16
_tile_dpbf16ps_internal(unsigned short m,unsigned short n,unsigned short k,_tile1024i dst,_tile1024i src1,_tile1024i src2)290 _tile_dpbf16ps_internal(unsigned short m, unsigned short n, unsigned short k,
291                         _tile1024i dst, _tile1024i src1, _tile1024i src2) {
292   return __builtin_ia32_tdpbf16ps_internal(m, n, k, dst, src1, src2);
293 }
294 
295 /// This is internal intrinsic. C/C++ user should avoid calling it directly.
296 static __inline__ _tile1024i __DEFAULT_FN_ATTRS_FP16
_tile_dpfp16ps_internal(unsigned short m,unsigned short n,unsigned short k,_tile1024i dst,_tile1024i src1,_tile1024i src2)297 _tile_dpfp16ps_internal(unsigned short m, unsigned short n, unsigned short k,
298                         _tile1024i dst, _tile1024i src1, _tile1024i src2) {
299   return __builtin_ia32_tdpfp16ps_internal(m, n, k, dst, src1, src2);
300 }
301 
302 /// This struct pack the shape and tile data together for user. We suggest
303 /// initializing the struct as early as possible, because compiler depends
304 /// on the shape information to do configure. The constant value is preferred
305 /// for optimization by compiler.
306 typedef struct __tile1024i_str {
307   const unsigned short row;
308   const unsigned short col;
309   _tile1024i tile;
310 } __tile1024i;
311 
312 /// Load tile rows from memory specifieid by "base" address and "stride" into
313 /// destination tile "dst".
314 ///
315 /// \headerfile <immintrin.h>
316 ///
317 /// This intrinsic corresponds to the <c> TILELOADD </c> instruction.
318 ///
319 /// \param dst
320 ///    A destination tile. Max size is 1024 Bytes.
321 /// \param base
322 ///    A pointer to base address.
323 /// \param stride
324 ///    The stride between the rows' data to be loaded in memory.
325 __DEFAULT_FN_ATTRS_TILE
__tile_loadd(__tile1024i * dst,const void * base,__SIZE_TYPE__ stride)326 static __inline__ void __tile_loadd(__tile1024i *dst, const void *base,
327                                     __SIZE_TYPE__ stride) {
328   dst->tile = _tile_loadd_internal(dst->row, dst->col, base, stride);
329 }
330 
331 /// Load tile rows from memory specifieid by "base" address and "stride" into
332 /// destination tile "dst". This intrinsic provides a hint to the implementation
333 /// that the data will likely not be reused in the near future and the data
334 /// caching can be optimized accordingly.
335 ///
336 /// \headerfile <immintrin.h>
337 ///
338 /// This intrinsic corresponds to the <c> TILELOADDT1 </c> instruction.
339 ///
340 /// \param dst
341 ///    A destination tile. Max size is 1024 Bytes.
342 /// \param base
343 ///    A pointer to base address.
344 /// \param stride
345 ///    The stride between the rows' data to be loaded in memory.
346 __DEFAULT_FN_ATTRS_TILE
__tile_stream_loadd(__tile1024i * dst,const void * base,__SIZE_TYPE__ stride)347 static __inline__ void __tile_stream_loadd(__tile1024i *dst, const void *base,
348                                            __SIZE_TYPE__ stride) {
349   dst->tile = _tile_loaddt1_internal(dst->row, dst->col, base, stride);
350 }
351 
352 /// Compute dot-product of bytes in tiles with a source/destination accumulator.
353 /// Multiply groups of 4 adjacent pairs of signed 8-bit integers in src0 with
354 /// corresponding signed 8-bit integers in src1, producing 4 intermediate 32-bit
355 /// results. Sum these 4 results with the corresponding 32-bit integer in "dst",
356 /// and store the 32-bit result back to tile "dst".
357 ///
358 /// \headerfile <immintrin.h>
359 ///
360 /// This intrinsic corresponds to the <c> TDPBSSD </c> instruction.
361 ///
362 /// \param dst
363 ///    The destination tile. Max size is 1024 Bytes.
364 /// \param src0
365 ///    The 1st source tile. Max size is 1024 Bytes.
366 /// \param src1
367 ///    The 2nd source tile. Max size is 1024 Bytes.
368 __DEFAULT_FN_ATTRS_INT8
__tile_dpbssd(__tile1024i * dst,__tile1024i src0,__tile1024i src1)369 static __inline__ void __tile_dpbssd(__tile1024i *dst, __tile1024i src0,
370                                      __tile1024i src1) {
371   dst->tile = _tile_dpbssd_internal(src0.row, src1.col, src0.col, dst->tile,
372                                     src0.tile, src1.tile);
373 }
374 
375 /// Compute dot-product of bytes in tiles with a source/destination accumulator.
376 /// Multiply groups of 4 adjacent pairs of signed 8-bit integers in src0 with
377 /// corresponding unsigned 8-bit integers in src1, producing 4 intermediate
378 /// 32-bit results. Sum these 4 results with the corresponding 32-bit integer
379 /// in "dst", and store the 32-bit result back to tile "dst".
380 ///
381 /// \headerfile <immintrin.h>
382 ///
383 /// This intrinsic corresponds to the <c> TDPBSUD </c> instruction.
384 ///
385 /// \param dst
386 ///    The destination tile. Max size is 1024 Bytes.
387 /// \param src0
388 ///    The 1st source tile. Max size is 1024 Bytes.
389 /// \param src1
390 ///    The 2nd source tile. Max size is 1024 Bytes.
391 __DEFAULT_FN_ATTRS_INT8
__tile_dpbsud(__tile1024i * dst,__tile1024i src0,__tile1024i src1)392 static __inline__ void __tile_dpbsud(__tile1024i *dst, __tile1024i src0,
393                                      __tile1024i src1) {
394   dst->tile = _tile_dpbsud_internal(src0.row, src1.col, src0.col, dst->tile,
395                                     src0.tile, src1.tile);
396 }
397 
398 /// Compute dot-product of bytes in tiles with a source/destination accumulator.
399 /// Multiply groups of 4 adjacent pairs of unsigned 8-bit integers in src0 with
400 /// corresponding signed 8-bit integers in src1, producing 4 intermediate 32-bit
401 /// results. Sum these 4 results with the corresponding 32-bit integer in "dst",
402 /// and store the 32-bit result back to tile "dst".
403 ///
404 /// \headerfile <immintrin.h>
405 ///
406 /// This intrinsic corresponds to the <c> TDPBUSD </c> instruction.
407 ///
408 /// \param dst
409 ///    The destination tile. Max size is 1024 Bytes.
410 /// \param src0
411 ///    The 1st source tile. Max size is 1024 Bytes.
412 /// \param src1
413 ///    The 2nd source tile. Max size is 1024 Bytes.
414 __DEFAULT_FN_ATTRS_INT8
__tile_dpbusd(__tile1024i * dst,__tile1024i src0,__tile1024i src1)415 static __inline__ void __tile_dpbusd(__tile1024i *dst, __tile1024i src0,
416                                      __tile1024i src1) {
417   dst->tile = _tile_dpbusd_internal(src0.row, src1.col, src0.col, dst->tile,
418                                     src0.tile, src1.tile);
419 }
420 
421 /// Compute dot-product of bytes in tiles with a source/destination accumulator.
422 /// Multiply groups of 4 adjacent pairs of unsigned 8-bit integers in src0 with
423 /// corresponding unsigned 8-bit integers in src1, producing 4 intermediate
424 /// 32-bit results. Sum these 4 results with the corresponding 32-bit integer in
425 /// "dst", and store the 32-bit result back to tile "dst".
426 ///
427 /// \headerfile <immintrin.h>
428 ///
429 /// This intrinsic corresponds to the <c> TDPBUUD </c> instruction.
430 ///
431 /// \param dst
432 ///    The destination tile. Max size is 1024 Bytes.
433 /// \param src0
434 ///    The 1st source tile. Max size is 1024 Bytes.
435 /// \param src1
436 ///    The 2nd source tile. Max size is 1024 Bytes.
437 __DEFAULT_FN_ATTRS_INT8
__tile_dpbuud(__tile1024i * dst,__tile1024i src0,__tile1024i src1)438 static __inline__ void __tile_dpbuud(__tile1024i *dst, __tile1024i src0,
439                                      __tile1024i src1) {
440   dst->tile = _tile_dpbuud_internal(src0.row, src1.col, src0.col, dst->tile,
441                                     src0.tile, src1.tile);
442 }
443 
444 /// Store the tile specified by "src" to memory specifieid by "base" address and
445 /// "stride".
446 ///
447 /// \headerfile <immintrin.h>
448 ///
449 /// This intrinsic corresponds to the <c> TILESTORED </c> instruction.
450 ///
451 /// \param base
452 ///    A pointer to base address.
453 /// \param stride
454 ///    The stride between the rows' data to be stored in memory.
455 __DEFAULT_FN_ATTRS_TILE
__tile_stored(void * base,__SIZE_TYPE__ stride,__tile1024i src)456 static __inline__ void __tile_stored(void *base, __SIZE_TYPE__ stride,
457                                      __tile1024i src) {
458   _tile_stored_internal(src.row, src.col, base, stride, src.tile);
459 }
460 
461 /// Zero the tile specified by "dst".
462 ///
463 /// \headerfile <immintrin.h>
464 ///
465 /// This intrinsic corresponds to the <c> TILEZERO </c> instruction.
466 ///
467 /// \param dst
468 ///    The destination tile to be zero. Max size is 1024 Bytes.
469 __DEFAULT_FN_ATTRS_TILE
__tile_zero(__tile1024i * dst)470 static __inline__ void __tile_zero(__tile1024i *dst) {
471   dst->tile = __builtin_ia32_tilezero_internal(dst->row, dst->col);
472 }
473 
474 /// Compute dot-product of BF16 (16-bit) floating-point pairs in tiles src0 and
475 /// src1, accumulating the intermediate single-precision (32-bit) floating-point
476 /// elements with elements in "dst", and store the 32-bit result back to tile
477 /// "dst".
478 ///
479 /// \headerfile <immintrin.h>
480 ///
481 /// This intrinsic corresponds to the <c> TDPBF16PS </c> instruction.
482 ///
483 /// \param dst
484 ///    The destination tile. Max size is 1024 Bytes.
485 /// \param src0
486 ///    The 1st source tile. Max size is 1024 Bytes.
487 /// \param src1
488 ///    The 2nd source tile. Max size is 1024 Bytes.
489 __DEFAULT_FN_ATTRS_BF16
__tile_dpbf16ps(__tile1024i * dst,__tile1024i src0,__tile1024i src1)490 static __inline__ void __tile_dpbf16ps(__tile1024i *dst, __tile1024i src0,
491                                        __tile1024i src1) {
492   dst->tile = _tile_dpbf16ps_internal(src0.row, src1.col, src0.col, dst->tile,
493                                       src0.tile, src1.tile);
494 }
495 
496 /// Compute dot-product of FP16 (16-bit) floating-point pairs in tiles src0 and
497 /// src1, accumulating the intermediate single-precision (32-bit) floating-point
498 /// elements with elements in "dst", and store the 32-bit result back to tile
499 /// "dst".
500 ///
501 /// \headerfile <immintrin.h>
502 ///
503 /// This intrinsic corresponds to the <c> TDPFP16PS </c> instruction.
504 ///
505 /// \param dst
506 ///    The destination tile. Max size is 1024 Bytes.
507 /// \param src0
508 ///    The 1st source tile. Max size is 1024 Bytes.
509 /// \param src1
510 ///    The 2nd source tile. Max size is 1024 Bytes.
511 __DEFAULT_FN_ATTRS_FP16
__tile_dpfp16ps(__tile1024i * dst,__tile1024i src0,__tile1024i src1)512 static __inline__ void __tile_dpfp16ps(__tile1024i *dst, __tile1024i src0,
513                                        __tile1024i src1) {
514   dst->tile = _tile_dpfp16ps_internal(src0.row, src1.col, src0.col, dst->tile,
515                                       src0.tile, src1.tile);
516 }
517 
518 #undef __DEFAULT_FN_ATTRS_TILE
519 #undef __DEFAULT_FN_ATTRS_INT8
520 #undef __DEFAULT_FN_ATTRS_BF16
521 #undef __DEFAULT_FN_ATTRS_FP16
522 
523 #endif /* __x86_64__ */
524 #endif /* __AMXINTRIN_H */
525