1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
|
/* { dg-do run { target power10_hw } } */
/* { dg-do compile { target { ! power10_hw } } } */
/* { dg-require-effective-target int128 } */
/* Need -save-temps for dg-final scan-assembler-times at end of test. */
/* { dg-options "-mdejagnu-cpu=power10 -save-temps" } */
#include <altivec.h>
#define DEBUG 0
#if DEBUG
#include <stdio.h>
void print_i128 (unsigned __int128 val)
{
printf(" 0x%016llx%016llx",
(unsigned long long)(val >> 64),
(unsigned long long)(val & 0xFFFFFFFFFFFFFFFF));
}
#endif
extern void abort (void);
#if DEBUG
#define ACTION_2ARG_UNSIGNED(NAME, TYPE_NAME) \
printf ("vec_%s (vector TYPE __int128, vector TYPE __int128) \n", #NAME); \
printf(" src_va_s128[0] = "); \
print_i128 ((unsigned __int128) src_va_##TYPE_NAME[0]); \
printf("\n"); \
printf(" src_vb_uc = 0x"); \
for (i = 0; i < 16; i++) \
printf("%02x", src_vb_uc[i]); \
printf("\n"); \
printf(" vresult[0] = "); \
print_i128 ((unsigned __int128) vresult[0]); \
printf("\n"); \
printf(" expected_vresult[0] = "); \
print_i128 ((unsigned __int128) expected_vresult[0]); \
printf("\n");
#define ACTION_2ARG_SIGNED(NAME, TYPE_NAME) \
printf ("vec_%s (vector TYPE __int128, vector TYPE __int128) \n", #NAME); \
printf(" src_va_s128[0] = "); \
print_i128 ((unsigned __int128) src_va_##TYPE_NAME[0]); \
printf("\n"); \
printf(" src_vb_sc = 0x"); \
for (i = 0; i < 16; i++) \
printf("%02x", src_vb_sc[i]); \
printf("\n"); \
printf(" vresult[0] = "); \
print_i128 ((unsigned __int128) vresult[0]); \
printf("\n"); \
printf(" expected_vresult[0] = "); \
print_i128 ((unsigned __int128) expected_vresult[0]); \
printf("\n");
#define ACTION_3ARG(NAME, TYPE_NAME, CONST) \
printf ("vec_%s (vector TYPE __int128, vector TYPE __int128, %s) \n", \
#NAME, #CONST); \
printf(" src_va_s128[0] = "); \
print_i128 ((unsigned __int128) src_va_##TYPE_NAME[0]); \
printf("\n"); \
printf(" src_vb_s128[0] = "); \
print_i128 ((unsigned __int128) src_vb_##TYPE_NAME[0]); \
printf("\n"); \
printf(" vresult[0] = "); \
print_i128 ((unsigned __int128) vresult[0]); \
printf("\n"); \
printf(" expected_vresult[0] = "); \
print_i128 ((unsigned __int128) expected_vresult[0]); \
printf("\n");
#else
#define ACTION_2ARG_UNSIGNED(NAME, TYPE_NAME) \
abort();
#define ACTION_2ARG_SIGNED(NAME, TYPE_NAME) \
abort();
#define ACTION_2ARG(NAME, TYPE_NAME) \
abort();
#define ACTION_3ARG(NAME, TYPE_NAME, CONST) \
abort();
#endif
/* Second argument of the builtin is vector unsigned char. */
#define TEST_2ARG_UNSIGNED(NAME, TYPE, TYPE_NAME, EXP_RESULT_HI, EXP_RESULT_LO) \
{ \
vector TYPE __int128 vresult; \
vector TYPE __int128 expected_vresult; \
int i; \
\
expected_vresult = (vector TYPE __int128) { EXP_RESULT_HI }; \
expected_vresult = (expected_vresult << 64) | \
(vector TYPE __int128) { EXP_RESULT_LO }; \
vresult = vec_##NAME (src_va_##TYPE_NAME, src_vb_uc); \
\
if (!vec_all_eq (vresult, expected_vresult)) { \
ACTION_2ARG_UNSIGNED(NAME, TYPE_NAME) \
} \
}
/* Second argument of the builtin is vector signed char. */
#define TEST_2ARG_SIGNED(NAME, TYPE, TYPE_NAME, EXP_RESULT_HI, EXP_RESULT_LO) \
{ \
vector TYPE __int128 vresult; \
vector TYPE __int128 expected_vresult; \
int i; \
\
expected_vresult = (vector TYPE __int128) { EXP_RESULT_HI }; \
expected_vresult = (expected_vresult << 64) | \
(vector TYPE __int128) { EXP_RESULT_LO }; \
vresult = vec_##NAME (src_va_##TYPE_NAME, src_vb_sc); \
\
if (!vec_all_eq (vresult, expected_vresult)) { \
ACTION_2ARG_SIGNED(NAME, TYPE_NAME) \
} \
}
#define TEST_3ARG(NAME, TYPE, TYPE_NAME, CONST, EXP_RESULT_HI, EXP_RESULT_LO) \
{ \
vector TYPE __int128 vresult; \
vector TYPE __int128 expected_vresult; \
\
expected_vresult = (vector TYPE __int128) { EXP_RESULT_HI }; \
expected_vresult = (expected_vresult << 64) | \
(vector TYPE __int128) { EXP_RESULT_LO }; \
vresult = vec_##NAME (src_va_##TYPE_NAME, src_vb_##TYPE_NAME, CONST); \
\
if (!vec_all_eq (vresult, expected_vresult)) { \
ACTION_3ARG(NAME, TYPE_NAME, CONST) \
} \
}
int
main (int argc, char *argv [])
{
vector signed __int128 vresult_s128;
vector signed __int128 expected_vresult_s128;
vector signed __int128 src_va_s128;
vector signed __int128 src_vb_s128;
vector unsigned __int128 vresult_u128;
vector unsigned __int128 expected_vresult_u128;
vector unsigned __int128 src_va_u128;
vector unsigned __int128 src_vb_u128;
vector signed char src_vb_sc;
vector unsigned char src_vb_uc;
/* 128-bit vector shift right tests, vec_srdb. */
src_va_s128 = (vector signed __int128) {0x12345678};
src_vb_s128 = (vector signed __int128) {0xFEDCBA90};
TEST_3ARG(srdb, signed, s128, 4, 0x8000000000000000, 0xFEDCBA9)
src_va_u128 = (vector unsigned __int128) { 0xFEDCBA98 };
src_vb_u128 = (vector unsigned __int128) { 0x76543210};
TEST_3ARG(srdb, unsigned, u128, 4, 0x8000000000000000, 0x07654321)
/* 128-bit vector shift left tests, vec_sldb. */
src_va_s128 = (vector signed __int128) {0x123456789ABCDEF0};
src_va_s128 = (src_va_s128 << 64)
| (vector signed __int128) {0x123456789ABCDEF0};
src_vb_s128 = (vector signed __int128) {0xFEDCBA9876543210};
src_vb_s128 = (src_vb_s128 << 64)
| (vector signed __int128) {0xFEDCBA9876543210};
TEST_3ARG(sldb, signed, s128, 4, 0x23456789ABCDEF01, 0x23456789ABCDEF0F)
src_va_u128 = (vector unsigned __int128) {0xFEDCBA9876543210};
src_va_u128 = src_va_u128 << 64
| (vector unsigned __int128) {0xFEDCBA9876543210};
src_vb_u128 = (vector unsigned __int128) {0x123456789ABCDEF0};
src_vb_u128 = src_vb_u128 << 64
| (vector unsigned __int128) {0x123456789ABCDEF0};
TEST_3ARG(sldb, unsigned, u128, 4, 0xEDCBA9876543210F, 0xEDCBA98765432101)
/* Shift left by octect tests, vec_sld. Shift is by immediate value
times 8. */
src_va_s128 = (vector signed __int128) {0x123456789ABCDEF0};
src_va_s128 = (src_va_s128 << 64)
| (vector signed __int128) {0x123456789ABCDEF0};
src_vb_s128 = (vector signed __int128) {0xFEDCBA9876543210};
src_vb_s128 = (src_vb_s128 << 64)
| (vector signed __int128) {0xFEDCBA9876543210};
TEST_3ARG(sld, signed, s128, 4, 0x9abcdef012345678, 0x9abcdef0fedcba98)
src_va_u128 = (vector unsigned __int128) {0xFEDCBA9876543210};
src_va_u128 = src_va_u128 << 64
| (vector unsigned __int128) {0xFEDCBA9876543210};
src_vb_u128 = (vector unsigned __int128) {0x123456789ABCDEF0};
src_vb_u128 = src_vb_u128 << 64
| (vector unsigned __int128) {0x123456789ABCDEF0};
TEST_3ARG(sld, unsigned, u128, 4, 0x76543210fedcba98, 0x7654321012345678)
/* Vector left shift bytes within the vector, vec_sll. */
src_va_s128 = (vector signed __int128) {0x123456789ABCDEF0};
src_va_s128 = (src_va_s128 << 64)
| (vector signed __int128) {0x123456789ABCDEF0};
src_vb_uc = (vector unsigned char) {0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01};
TEST_2ARG_UNSIGNED(sll, signed, s128, 0x2468acf13579bde0,
0x2468acf13579bde0)
src_va_u128 = (vector unsigned __int128) {0x123456789ABCDEF0};
src_va_u128 = src_va_u128 << 64
| (vector unsigned __int128) {0x123456789ABCDEF0};
src_vb_uc = (vector unsigned char) {0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x02};
TEST_2ARG_UNSIGNED(sll, unsigned, u128, 0x48d159e26af37bc0,
0x48d159e26af37bc0)
/* Vector right shift bytes within the vector, vec_srl. */
src_va_s128 = (vector signed __int128) {0x123456789ABCDEF0};
src_va_s128 = (src_va_s128 << 64)
| (vector signed __int128) {0x123456789ABCDEF0};
src_vb_uc = (vector unsigned char) {0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01};
TEST_2ARG_UNSIGNED(srl, signed, s128, 0x091a2b3c4d5e6f78,
0x091a2b3c4d5e6f78)
src_va_u128 = (vector unsigned __int128) {0x123456789ABCDEF0};
src_va_u128 = src_va_u128 << 64
| (vector unsigned __int128) {0x123456789ABCDEF0};
src_vb_uc = (vector unsigned char) {0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x02};
TEST_2ARG_UNSIGNED(srl, unsigned, u128, 0x48d159e26af37bc,
0x48d159e26af37bc)
/* Shift left by octect tests, vec_slo. Shift is by immediate value
bytes. Shift amount in bits 121:124. */
src_va_s128 = (vector signed __int128) {0x123456789ABCDEF0};
src_va_s128 = (src_va_s128 << 64)
| (vector signed __int128) {0x123456789ABCDEF0};
/* Note vb_sc is Endian specific. */
/* The left shift amount is 1 byte, i.e. 1 * 8 bits. */
#if __LITTLE_ENDIAN__
src_vb_sc = (vector signed char) {0x1 << 3, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0};
#else
src_vb_sc = (vector signed char) {0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x1 << 3};
#endif
TEST_2ARG_SIGNED(slo, signed, s128, 0x3456789ABCDEF012,
0x3456789ABCDEF000)
src_va_s128 = (vector signed __int128) {0x123456789ABCDEF0};
src_va_s128 = (src_va_s128 << 64)
| (vector signed __int128) {0x123456789ABCDEF0};
/* Note vb_sc is Endian specific. */
/* The left shift amount is 2 bytes, i.e. 2 * 8 bits. */
#if __LITTLE_ENDIAN__
src_vb_uc = (vector unsigned char) {0x2 << 3, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0};
#else
src_vb_uc = (vector unsigned char) {0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x2 << 3};
#endif
TEST_2ARG_UNSIGNED(slo, signed, s128, 0x56789ABCDEF01234,
0x56789ABCDEF00000)
src_va_u128 = (vector unsigned __int128) {0xFEDCBA9876543210};
src_va_u128 = src_va_u128 << 64
| (vector unsigned __int128) {0xFEDCBA9876543210};
/* Note vb_sc is Endian specific. */
/* The left shift amount is 3 bytes, i.e. 3 * 8 bits. */
#if __LITTLE_ENDIAN__
src_vb_sc = (vector signed char) {0x03<<3, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x00, 0x00, 0x00, 0x0};
#else
src_vb_sc = (vector signed char) {0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x00, 0x00, 0x00, 0x03<<3};
#endif
TEST_2ARG_SIGNED(slo, unsigned, u128, 0x9876543210FEDCBA,
0x9876543210000000)
src_va_u128 = (vector unsigned __int128) {0xFEDCBA9876543210};
src_va_u128 = src_va_u128 << 64
| (vector unsigned __int128) {0xFEDCBA9876543210};
/* Note vb_sc is Endian specific. */
/* The left shift amount is 4 bytes, i.e. 4 * 8 bits. */
#if __LITTLE_ENDIAN__
src_vb_uc = (vector unsigned char) {0x04<<3, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0};
#else
src_vb_uc = (vector unsigned char) {0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x00, 0x00, 0x00, 0x04<<3};
#endif
TEST_2ARG_UNSIGNED(slo, unsigned, u128, 0x76543210FEDCBA98,
0x7654321000000000)
/* Shift right by octect tests, vec_sro. Shift is by immediate value
times 8. Shift amount in bits 121:124. */
src_va_s128 = (vector signed __int128) {0x123456789ABCDEF0};
src_va_s128 = (src_va_s128 << 64)
| (vector signed __int128) {0x123456789ABCDEF0};
/* Note vb_sc is Endian specific. */
/* The left shift amount is 1 byte, i.e. 1 * 8 bits. */
#if __LITTLE_ENDIAN__
src_vb_sc = (vector signed char) {0x1 << 3, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0};
#else
src_vb_sc = (vector signed char) {0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x1 << 3};
#endif
TEST_2ARG_SIGNED(sro, signed, s128, 0x00123456789ABCDE, 0xF0123456789ABCDE)
src_va_s128 = (vector signed __int128) {0x123456789ABCDEF0};
src_va_s128 = (src_va_s128 << 64)
| (vector signed __int128) {0x123456789ABCDEF0};
/* Note vb_sc is Endian specific. */
/* The left shift amount is 1 byte, i.e. 1 * 8 bits. */
#if __LITTLE_ENDIAN__
src_vb_uc = (vector unsigned char) {0x2 << 3, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0};
#else
src_vb_uc = (vector unsigned char) {0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x2 << 3};
#endif
TEST_2ARG_UNSIGNED(sro, signed, s128, 0x0000123456789ABC,
0xDEF0123456789ABC)
src_va_u128 = (vector unsigned __int128) {0xFEDCBA9876543210};
src_va_u128 = src_va_u128 << 64
| (vector unsigned __int128) {0xFEDCBA9876543210};
/* Note vb_sc is Endian specific. */
/* The left shift amount is 4 bytes, i.e. 4 * 8 bits. */
#if __LITTLE_ENDIAN__
src_vb_sc = (vector signed char) {0x03<<3, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x00, 0x00, 0x00, 0x0};
#else
src_vb_sc = (vector signed char) {0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x00, 0x00, 0x00, 0x03<<3};
#endif
TEST_2ARG_SIGNED(sro, unsigned, u128, 0x000000FEDCBA9876,
0x543210FEDCBA9876)
src_va_u128 = (vector unsigned __int128) {0xFEDCBA9876543210};
src_va_u128 = src_va_u128 << 64
| (vector unsigned __int128) {0xFEDCBA9876543210};
/* Note vb_sc is Endian specific. */
/* The left shift amount is 4 bytes, i.e. 4 * 8 bits. */
#if __LITTLE_ENDIAN__
src_vb_uc = (vector unsigned char) {0x04<<3, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x00, 0x0};
#else
src_vb_uc = (vector unsigned char) {0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0,
0x00, 0x0, 0x0, 0x04<<3};
#endif
TEST_2ARG_UNSIGNED(sro, unsigned, u128, 0x00000000FEDCBA98,
0x76543210FEDCBA98)
/* 128-bit vector shift left tests, vec_sldw. */
src_va_s128 = (vector signed __int128) {0x123456789ABCDEF0};
src_va_s128 = (src_va_s128 << 64)
| (vector signed __int128) {0x123456789ABCDEF0};
src_vb_s128 = (vector signed __int128) {0xFEDCBA9876543210};
src_vb_s128 = (src_vb_s128 << 64)
| (vector signed __int128) {0xFEDCBA9876543210};
TEST_3ARG(sldw, signed, s128, 1, 0x9ABCDEF012345678, 0x9ABCDEF0FEDCBA98)
src_va_u128 = (vector unsigned __int128) {0x123456789ABCDEF0};
src_va_u128 = (src_va_u128 << 64)
| (vector unsigned __int128) {0x123456789ABCDEF0};
src_vb_u128 = (vector unsigned __int128) {0xFEDCBA9876543210};
src_vb_u128 = (src_vb_u128 << 64)
| (vector unsigned __int128) {0xFEDCBA9876543210};
TEST_3ARG(sldw, unsigned, u128, 2, 0x123456789ABCDEF0, 0xFEDCBA9876543210)
return 0;
}
/* { dg-final { scan-assembler-times {\mvsrdbi\M} 2 } } */
/* { dg-final { scan-assembler-times {\mvsldbi\M} 2 } } */
/* { dg-final { scan-assembler-times {\mvsl\M} 2 } } */
/* { dg-final { scan-assembler-times {\mvsr\M} 2 } } */
/* { dg-final { scan-assembler-times {\mvslo\M} 4 } } */
/* { dg-final { scan-assembler-times {\mvsro\M} 4 } } */
|
