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195a95c4 1/* Implementation of the IALL intrinsic
8d9254fc 2 Copyright (C) 2010-2020 Free Software Foundation, Inc.
195a95c4
TB
3 Contributed by Tobias Burnus <burnus@net-b.de>
4
5This file is part of the GNU Fortran runtime library (libgfortran).
6
7Libgfortran is free software; you can redistribute it and/or
8modify it under the terms of the GNU General Public
9License as published by the Free Software Foundation; either
10version 3 of the License, or (at your option) any later version.
11
12Libgfortran is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17Under Section 7 of GPL version 3, you are granted additional
18permissions described in the GCC Runtime Library Exception, version
193.1, as published by the Free Software Foundation.
20
21You should have received a copy of the GNU General Public License and
22a copy of the GCC Runtime Library Exception along with this program;
23see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24<http://www.gnu.org/licenses/>. */
25
26#include "libgfortran.h"
195a95c4
TB
27
28
29#if defined (HAVE_GFC_INTEGER_1) && defined (HAVE_GFC_INTEGER_1)
30
31
32extern void iall_i1 (gfc_array_i1 * const restrict,
33 gfc_array_i1 * const restrict, const index_type * const restrict);
34export_proto(iall_i1);
35
36void
37iall_i1 (gfc_array_i1 * const restrict retarray,
38 gfc_array_i1 * const restrict array,
39 const index_type * const restrict pdim)
40{
41 index_type count[GFC_MAX_DIMENSIONS];
42 index_type extent[GFC_MAX_DIMENSIONS];
43 index_type sstride[GFC_MAX_DIMENSIONS];
44 index_type dstride[GFC_MAX_DIMENSIONS];
45 const GFC_INTEGER_1 * restrict base;
46 GFC_INTEGER_1 * restrict dest;
47 index_type rank;
48 index_type n;
49 index_type len;
50 index_type delta;
51 index_type dim;
52 int continue_loop;
53
54 /* Make dim zero based to avoid confusion. */
195a95c4 55 rank = GFC_DESCRIPTOR_RANK (array) - 1;
cfdf6ff6
TK
56 dim = (*pdim) - 1;
57
58 if (unlikely (dim < 0 || dim > rank))
59 {
60 runtime_error ("Dim argument incorrect in IALL intrinsic: "
61 "is %ld, should be between 1 and %ld",
62 (long int) dim + 1, (long int) rank + 1);
63 }
195a95c4
TB
64
65 len = GFC_DESCRIPTOR_EXTENT(array,dim);
66 if (len < 0)
67 len = 0;
68 delta = GFC_DESCRIPTOR_STRIDE(array,dim);
69
70 for (n = 0; n < dim; n++)
71 {
72 sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
73 extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
74
75 if (extent[n] < 0)
76 extent[n] = 0;
77 }
78 for (n = dim; n < rank; n++)
79 {
80 sstride[n] = GFC_DESCRIPTOR_STRIDE(array, n + 1);
81 extent[n] = GFC_DESCRIPTOR_EXTENT(array, n + 1);
82
83 if (extent[n] < 0)
84 extent[n] = 0;
85 }
86
21d1335b 87 if (retarray->base_addr == NULL)
195a95c4
TB
88 {
89 size_t alloc_size, str;
90
91 for (n = 0; n < rank; n++)
92 {
93 if (n == 0)
94 str = 1;
95 else
96 str = GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
97
98 GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
99
100 }
101
102 retarray->offset = 0;
ca708a2b 103 retarray->dtype.rank = rank;
195a95c4 104
92e6f3a4 105 alloc_size = GFC_DESCRIPTOR_STRIDE(retarray,rank-1) * extent[rank-1];
195a95c4 106
92e6f3a4 107 retarray->base_addr = xmallocarray (alloc_size, sizeof (GFC_INTEGER_1));
195a95c4
TB
108 if (alloc_size == 0)
109 {
110 /* Make sure we have a zero-sized array. */
111 GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
112 return;
113
114 }
195a95c4
TB
115 }
116 else
117 {
118 if (rank != GFC_DESCRIPTOR_RANK (retarray))
119 runtime_error ("rank of return array incorrect in"
120 " IALL intrinsic: is %ld, should be %ld",
121 (long int) (GFC_DESCRIPTOR_RANK (retarray)),
122 (long int) rank);
123
124 if (unlikely (compile_options.bounds_check))
125 bounds_ifunction_return ((array_t *) retarray, extent,
126 "return value", "IALL");
127 }
128
129 for (n = 0; n < rank; n++)
130 {
131 count[n] = 0;
132 dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
133 if (extent[n] <= 0)
3d2244b9 134 return;
195a95c4
TB
135 }
136
21d1335b
TB
137 base = array->base_addr;
138 dest = retarray->base_addr;
195a95c4
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139
140 continue_loop = 1;
141 while (continue_loop)
142 {
143 const GFC_INTEGER_1 * restrict src;
144 GFC_INTEGER_1 result;
145 src = base;
146 {
147
148 result = (GFC_INTEGER_1) -1;
149 if (len <= 0)
150 *dest = 0;
151 else
152 {
b573f931 153#if ! defined HAVE_BACK_ARG
195a95c4
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154 for (n = 0; n < len; n++, src += delta)
155 {
b573f931 156#endif
195a95c4
TB
157
158 result &= *src;
159 }
160
161 *dest = result;
162 }
163 }
164 /* Advance to the next element. */
165 count[0]++;
166 base += sstride[0];
167 dest += dstride[0];
168 n = 0;
169 while (count[n] == extent[n])
170 {
171 /* When we get to the end of a dimension, reset it and increment
172 the next dimension. */
173 count[n] = 0;
174 /* We could precalculate these products, but this is a less
175 frequently used path so probably not worth it. */
176 base -= sstride[n] * extent[n];
177 dest -= dstride[n] * extent[n];
178 n++;
80dd631f 179 if (n >= rank)
195a95c4 180 {
80dd631f 181 /* Break out of the loop. */
195a95c4
TB
182 continue_loop = 0;
183 break;
184 }
185 else
186 {
187 count[n]++;
188 base += sstride[n];
189 dest += dstride[n];
190 }
191 }
192 }
193}
194
195
196extern void miall_i1 (gfc_array_i1 * const restrict,
197 gfc_array_i1 * const restrict, const index_type * const restrict,
198 gfc_array_l1 * const restrict);
199export_proto(miall_i1);
200
201void
202miall_i1 (gfc_array_i1 * const restrict retarray,
203 gfc_array_i1 * const restrict array,
204 const index_type * const restrict pdim,
205 gfc_array_l1 * const restrict mask)
206{
207 index_type count[GFC_MAX_DIMENSIONS];
208 index_type extent[GFC_MAX_DIMENSIONS];
209 index_type sstride[GFC_MAX_DIMENSIONS];
210 index_type dstride[GFC_MAX_DIMENSIONS];
211 index_type mstride[GFC_MAX_DIMENSIONS];
212 GFC_INTEGER_1 * restrict dest;
213 const GFC_INTEGER_1 * restrict base;
214 const GFC_LOGICAL_1 * restrict mbase;
cfdf6ff6
TK
215 index_type rank;
216 index_type dim;
195a95c4
TB
217 index_type n;
218 index_type len;
219 index_type delta;
220 index_type mdelta;
221 int mask_kind;
222
2ea47ee9
TK
223 if (mask == NULL)
224 {
225#ifdef HAVE_BACK_ARG
226 iall_i1 (retarray, array, pdim, back);
227#else
228 iall_i1 (retarray, array, pdim);
229#endif
230 return;
231 }
232
195a95c4
TB
233 dim = (*pdim) - 1;
234 rank = GFC_DESCRIPTOR_RANK (array) - 1;
235
cfdf6ff6
TK
236
237 if (unlikely (dim < 0 || dim > rank))
238 {
239 runtime_error ("Dim argument incorrect in IALL intrinsic: "
240 "is %ld, should be between 1 and %ld",
241 (long int) dim + 1, (long int) rank + 1);
242 }
243
195a95c4
TB
244 len = GFC_DESCRIPTOR_EXTENT(array,dim);
245 if (len <= 0)
246 return;
247
21d1335b 248 mbase = mask->base_addr;
195a95c4
TB
249
250 mask_kind = GFC_DESCRIPTOR_SIZE (mask);
251
252 if (mask_kind == 1 || mask_kind == 2 || mask_kind == 4 || mask_kind == 8
253#ifdef HAVE_GFC_LOGICAL_16
254 || mask_kind == 16
255#endif
256 )
257 mbase = GFOR_POINTER_TO_L1 (mbase, mask_kind);
258 else
259 runtime_error ("Funny sized logical array");
260
261 delta = GFC_DESCRIPTOR_STRIDE(array,dim);
262 mdelta = GFC_DESCRIPTOR_STRIDE_BYTES(mask,dim);
263
264 for (n = 0; n < dim; n++)
265 {
266 sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
267 mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask,n);
268 extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
269
270 if (extent[n] < 0)
271 extent[n] = 0;
272
273 }
274 for (n = dim; n < rank; n++)
275 {
276 sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n + 1);
277 mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask, n + 1);
278 extent[n] = GFC_DESCRIPTOR_EXTENT(array, n + 1);
279
280 if (extent[n] < 0)
281 extent[n] = 0;
282 }
283
21d1335b 284 if (retarray->base_addr == NULL)
195a95c4
TB
285 {
286 size_t alloc_size, str;
287
288 for (n = 0; n < rank; n++)
289 {
290 if (n == 0)
291 str = 1;
292 else
293 str= GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
294
295 GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
296
297 }
298
92e6f3a4 299 alloc_size = GFC_DESCRIPTOR_STRIDE(retarray,rank-1) * extent[rank-1];
195a95c4
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300
301 retarray->offset = 0;
ca708a2b 302 retarray->dtype.rank = rank;
195a95c4
TB
303
304 if (alloc_size == 0)
305 {
306 /* Make sure we have a zero-sized array. */
307 GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
308 return;
309 }
310 else
92e6f3a4 311 retarray->base_addr = xmallocarray (alloc_size, sizeof (GFC_INTEGER_1));
195a95c4
TB
312
313 }
314 else
315 {
316 if (rank != GFC_DESCRIPTOR_RANK (retarray))
317 runtime_error ("rank of return array incorrect in IALL intrinsic");
318
319 if (unlikely (compile_options.bounds_check))
320 {
321 bounds_ifunction_return ((array_t *) retarray, extent,
322 "return value", "IALL");
323 bounds_equal_extents ((array_t *) mask, (array_t *) array,
324 "MASK argument", "IALL");
325 }
326 }
327
328 for (n = 0; n < rank; n++)
329 {
330 count[n] = 0;
331 dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
332 if (extent[n] <= 0)
333 return;
334 }
335
21d1335b
TB
336 dest = retarray->base_addr;
337 base = array->base_addr;
195a95c4
TB
338
339 while (base)
340 {
341 const GFC_INTEGER_1 * restrict src;
342 const GFC_LOGICAL_1 * restrict msrc;
343 GFC_INTEGER_1 result;
344 src = base;
345 msrc = mbase;
346 {
347
348 result = 0;
036e1775 349 for (n = 0; n < len; n++, src += delta, msrc += mdelta)
195a95c4 350 {
195a95c4
TB
351
352 if (*msrc)
353 result &= *src;
195a95c4 354 }
036e1775 355 *dest = result;
195a95c4
TB
356 }
357 /* Advance to the next element. */
358 count[0]++;
359 base += sstride[0];
360 mbase += mstride[0];
361 dest += dstride[0];
362 n = 0;
363 while (count[n] == extent[n])
364 {
365 /* When we get to the end of a dimension, reset it and increment
366 the next dimension. */
367 count[n] = 0;
368 /* We could precalculate these products, but this is a less
369 frequently used path so probably not worth it. */
370 base -= sstride[n] * extent[n];
371 mbase -= mstride[n] * extent[n];
372 dest -= dstride[n] * extent[n];
373 n++;
80dd631f 374 if (n >= rank)
195a95c4 375 {
80dd631f 376 /* Break out of the loop. */
195a95c4
TB
377 base = NULL;
378 break;
379 }
380 else
381 {
382 count[n]++;
383 base += sstride[n];
384 mbase += mstride[n];
385 dest += dstride[n];
386 }
387 }
388 }
389}
390
391
392extern void siall_i1 (gfc_array_i1 * const restrict,
393 gfc_array_i1 * const restrict, const index_type * const restrict,
394 GFC_LOGICAL_4 *);
395export_proto(siall_i1);
396
397void
398siall_i1 (gfc_array_i1 * const restrict retarray,
399 gfc_array_i1 * const restrict array,
400 const index_type * const restrict pdim,
401 GFC_LOGICAL_4 * mask)
402{
403 index_type count[GFC_MAX_DIMENSIONS];
404 index_type extent[GFC_MAX_DIMENSIONS];
405 index_type dstride[GFC_MAX_DIMENSIONS];
406 GFC_INTEGER_1 * restrict dest;
407 index_type rank;
408 index_type n;
409 index_type dim;
410
411
2ea47ee9 412 if (mask == NULL || *mask)
195a95c4 413 {
64b1806b
TK
414#ifdef HAVE_BACK_ARG
415 iall_i1 (retarray, array, pdim, back);
416#else
195a95c4 417 iall_i1 (retarray, array, pdim);
64b1806b 418#endif
195a95c4
TB
419 return;
420 }
421 /* Make dim zero based to avoid confusion. */
422 dim = (*pdim) - 1;
423 rank = GFC_DESCRIPTOR_RANK (array) - 1;
424
cfdf6ff6
TK
425 if (unlikely (dim < 0 || dim > rank))
426 {
427 runtime_error ("Dim argument incorrect in IALL intrinsic: "
428 "is %ld, should be between 1 and %ld",
429 (long int) dim + 1, (long int) rank + 1);
430 }
431
195a95c4
TB
432 for (n = 0; n < dim; n++)
433 {
434 extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
435
436 if (extent[n] <= 0)
437 extent[n] = 0;
438 }
439
440 for (n = dim; n < rank; n++)
441 {
442 extent[n] =
443 GFC_DESCRIPTOR_EXTENT(array,n + 1);
444
445 if (extent[n] <= 0)
446 extent[n] = 0;
447 }
448
21d1335b 449 if (retarray->base_addr == NULL)
195a95c4
TB
450 {
451 size_t alloc_size, str;
452
453 for (n = 0; n < rank; n++)
454 {
455 if (n == 0)
456 str = 1;
457 else
458 str = GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
459
460 GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
461
462 }
463
464 retarray->offset = 0;
ca708a2b 465 retarray->dtype.rank = rank;
195a95c4 466
92e6f3a4 467 alloc_size = GFC_DESCRIPTOR_STRIDE(retarray,rank-1) * extent[rank-1];
195a95c4
TB
468
469 if (alloc_size == 0)
470 {
471 /* Make sure we have a zero-sized array. */
472 GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
473 return;
474 }
475 else
92e6f3a4 476 retarray->base_addr = xmallocarray (alloc_size, sizeof (GFC_INTEGER_1));
195a95c4
TB
477 }
478 else
479 {
480 if (rank != GFC_DESCRIPTOR_RANK (retarray))
481 runtime_error ("rank of return array incorrect in"
482 " IALL intrinsic: is %ld, should be %ld",
483 (long int) (GFC_DESCRIPTOR_RANK (retarray)),
484 (long int) rank);
485
486 if (unlikely (compile_options.bounds_check))
487 {
488 for (n=0; n < rank; n++)
489 {
490 index_type ret_extent;
491
492 ret_extent = GFC_DESCRIPTOR_EXTENT(retarray,n);
493 if (extent[n] != ret_extent)
494 runtime_error ("Incorrect extent in return value of"
495 " IALL intrinsic in dimension %ld:"
496 " is %ld, should be %ld", (long int) n + 1,
497 (long int) ret_extent, (long int) extent[n]);
498 }
499 }
500 }
501
502 for (n = 0; n < rank; n++)
503 {
504 count[n] = 0;
505 dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
506 }
507
21d1335b 508 dest = retarray->base_addr;
195a95c4
TB
509
510 while(1)
511 {
512 *dest = 0;
513 count[0]++;
514 dest += dstride[0];
515 n = 0;
516 while (count[n] == extent[n])
517 {
518 /* When we get to the end of a dimension, reset it and increment
519 the next dimension. */
520 count[n] = 0;
521 /* We could precalculate these products, but this is a less
522 frequently used path so probably not worth it. */
523 dest -= dstride[n] * extent[n];
524 n++;
80dd631f 525 if (n >= rank)
195a95c4
TB
526 return;
527 else
528 {
529 count[n]++;
530 dest += dstride[n];
531 }
532 }
533 }
534}
535
536#endif