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
|
/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-dsp-lib
* Created on: 31 мар. 2020 г.
*
* lsp-dsp-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-dsp-lib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-dsp-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PRIVATE_DSP_ARCH_X86_AVX2_FLOAT_H_
#define PRIVATE_DSP_ARCH_X86_AVX2_FLOAT_H_
#ifndef PRIVATE_DSP_ARCH_X86_AVX2_IMPL
#error "This header should not be included directly"
#endif /* PRIVATE_DSP_ARCH_X86_AVX2_IMPL */
namespace lsp
{
namespace avx2
{
IF_ARCH_X86(
static uint32_t XC_SATURATE[] __lsp_aligned32 =
{
LSP_DSP_VEC8(0x7fffffff), // X_ABS
LSP_DSP_VEC8(0x80000000), // X_SIGN
LSP_DSP_VEC8(0x7f800000), // X_P_INF
LSP_DSP_VEC8(LSP_DSP_FLOAT_SAT_P_NAN_I), // SX_P_NAN
LSP_DSP_VEC8(LSP_DSP_FLOAT_SAT_P_INF_I) // SX_P_INF
};
)
#define SAT_BODY(DST, SRC) \
__ASM_EMIT("xor %[off], %[off]") \
/* x16 blocks */ \
__ASM_EMIT("sub $16, %[count]") \
__ASM_EMIT("jb 2f") \
__ASM_EMIT("1:") \
__ASM_EMIT("vmovups 0x00(%[" SRC "], %[off]), %%ymm0") /* ymm0 = s */ \
__ASM_EMIT("vmovups 0x20(%[" SRC "], %[off]), %%ymm1") \
__ASM_EMIT("vandps 0x00 + %[XC], %%ymm0, %%ymm2") /* ymm2 = abs(s) */ \
__ASM_EMIT("vandps 0x00 + %[XC], %%ymm1, %%ymm3") \
__ASM_EMIT("vandps 0x20 + %[XC], %%ymm0, %%ymm4") /* ymm4 = sign(s) */ \
__ASM_EMIT("vandps 0x20 + %[XC], %%ymm1, %%ymm5") \
__ASM_EMIT("vpcmpgtd 0x40 + %[XC], %%ymm2, %%ymm6") /* ymm6 = abs(s) > +Inf */ \
__ASM_EMIT("vpcmpgtd 0x40 + %[XC], %%ymm3, %%ymm7") \
__ASM_EMIT("vpcmpeqd 0x40 + %[XC], %%ymm2, %%ymm2") /* ymm2 = abs(s) == +Inf */ \
__ASM_EMIT("vpcmpeqd 0x40 + %[XC], %%ymm3, %%ymm3") \
__ASM_EMIT("vblendvps %%ymm6, 0x60 + %[XC], %%ymm0, %%ymm0") /* ymm0 = S = s & (abs(s) <= +Inf) | PNAN & (abs(s) > +Inf) */ \
__ASM_EMIT("vblendvps %%ymm7, 0x60 + %[XC], %%ymm1, %%ymm1") \
__ASM_EMIT("vblendvps %%ymm2, 0x80 + %[XC], %%ymm0, %%ymm0") /* ymm0 = S & (abs(S) != +Inf) | PINF & (abs(s) == +Inf) */ \
__ASM_EMIT("vblendvps %%ymm3, 0x80 + %[XC], %%ymm1, %%ymm1") \
__ASM_EMIT("vorps %%ymm4, %%ymm0, %%ymm0") \
__ASM_EMIT("vorps %%ymm5, %%ymm1, %%ymm1") \
__ASM_EMIT("vmovups %%ymm0, 0x00(%[" DST "], %[off])") \
__ASM_EMIT("vmovups %%ymm1, 0x20(%[" DST "], %[off])") \
__ASM_EMIT("add $0x40, %[off]") \
__ASM_EMIT("sub $16, %[count]") \
__ASM_EMIT("jae 1b") \
__ASM_EMIT("2:") \
/* x8 blocks */ \
__ASM_EMIT("add $8, %[count]") \
__ASM_EMIT("jl 4f") \
__ASM_EMIT("vmovups 0x00(%[" SRC "], %[off]), %%xmm0") /* xmm0 = s */ \
__ASM_EMIT("vmovups 0x10(%[" SRC "], %[off]), %%xmm1") \
__ASM_EMIT("vandps 0x00 + %[XC], %%xmm0, %%xmm2") /* xmm2 = abs(s) */ \
__ASM_EMIT("vandps 0x00 + %[XC], %%xmm1, %%xmm3") \
__ASM_EMIT("vandps 0x20 + %[XC], %%xmm0, %%xmm4") /* xmm4 = sign(s) */ \
__ASM_EMIT("vandps 0x20 + %[XC], %%xmm1, %%xmm5") \
__ASM_EMIT("vpcmpgtd 0x40 + %[XC], %%xmm2, %%xmm6") /* xmm6 = abs(s) > +Inf */ \
__ASM_EMIT("vpcmpgtd 0x40 + %[XC], %%xmm3, %%xmm7") \
__ASM_EMIT("vpcmpeqd 0x40 + %[XC], %%xmm2, %%xmm2") /* xmm2 = abs(s) == +Inf */ \
__ASM_EMIT("vpcmpeqd 0x40 + %[XC], %%xmm3, %%xmm3") \
__ASM_EMIT("vblendvps %%xmm6, 0x60 + %[XC], %%xmm0, %%xmm0") /* xmm0 = S = s & (abs(s) <= +Inf) | PNAN & (abs(s) > +Inf) */ \
__ASM_EMIT("vblendvps %%xmm7, 0x60 + %[XC], %%xmm1, %%xmm1") \
__ASM_EMIT("vblendvps %%xmm2, 0x80 + %[XC], %%xmm0, %%xmm0") /* xmm0 = S & (abs(S) != +Inf) | PINF & (abs(s) == +Inf) */ \
__ASM_EMIT("vblendvps %%xmm3, 0x80 + %[XC], %%xmm1, %%xmm1") \
__ASM_EMIT("vorps %%xmm4, %%xmm0, %%xmm0") \
__ASM_EMIT("vorps %%xmm5, %%xmm1, %%xmm1") \
__ASM_EMIT("vmovups %%xmm0, 0x00(%[" DST "], %[off])") \
__ASM_EMIT("vmovups %%xmm1, 0x10(%[" DST "], %[off])") \
__ASM_EMIT("sub $8, %[count]") \
__ASM_EMIT("add $0x20, %[off]") \
__ASM_EMIT("4:") \
/* x4 block */ \
__ASM_EMIT("add $4, %[count]") \
__ASM_EMIT("jl 6f") \
__ASM_EMIT("vmovups 0x00(%[" SRC "], %[off]), %%xmm0") /* xmm0 = s */ \
__ASM_EMIT("vandps 0x00 + %[XC], %%xmm0, %%xmm2") /* xmm2 = abs(s) */ \
__ASM_EMIT("vandps 0x20 + %[XC], %%xmm0, %%xmm4") /* xmm4 = sign(s) */ \
__ASM_EMIT("vpcmpgtd 0x40 + %[XC], %%xmm2, %%xmm6") /* xmm6 = abs(s) > +Inf */ \
__ASM_EMIT("vpcmpeqd 0x40 + %[XC], %%xmm2, %%xmm2") /* xmm2 = abs(s) == +Inf */ \
__ASM_EMIT("vblendvps %%xmm6, 0x60 + %[XC], %%xmm0, %%xmm0") /* xmm0 = S = s & (abs(s) <= +Inf) | PNAN & (abs(s) > +Inf) */ \
__ASM_EMIT("vblendvps %%xmm2, 0x80 + %[XC], %%xmm0, %%xmm0") /* xmm0 = S & (abs(S) != +Inf) | PINF & (abs(s) == +Inf) */ \
__ASM_EMIT("vorps %%xmm4, %%xmm0, %%xmm0") \
__ASM_EMIT("vmovups %%xmm0, 0x00(%[" DST "], %[off])") \
__ASM_EMIT("sub $4, %[count]") \
__ASM_EMIT("add $0x10, %[off]") \
__ASM_EMIT("6:") \
/* x1 block */ \
__ASM_EMIT("add $3, %[count]") \
__ASM_EMIT("jl 8f") \
__ASM_EMIT("7:") \
__ASM_EMIT("vmovss 0x00(%[" SRC "], %[off]), %%xmm0") /* xmm0 = s */ \
__ASM_EMIT("vandps 0x00 + %[XC], %%xmm0, %%xmm2") /* xmm2 = abs(s) */ \
__ASM_EMIT("vandps 0x20 + %[XC], %%xmm0, %%xmm4") /* xmm4 = sign(s) */ \
__ASM_EMIT("vpcmpgtd 0x40 + %[XC], %%xmm2, %%xmm6") /* xmm6 = abs(s) > +Inf */ \
__ASM_EMIT("vpcmpeqd 0x40 + %[XC], %%xmm2, %%xmm2") /* xmm2 = abs(s) == +Inf */ \
__ASM_EMIT("vblendvps %%xmm6, 0x60 + %[XC], %%xmm0, %%xmm0") /* xmm0 = S = s & (abs(s) <= +Inf) | PNAN & (abs(s) > +Inf) */ \
__ASM_EMIT("vblendvps %%xmm2, 0x80 + %[XC], %%xmm0, %%xmm0") /* xmm0 = S & (abs(S) != +Inf) | PINF & (abs(s) == +Inf) */ \
__ASM_EMIT("vorps %%xmm4, %%xmm0, %%xmm0") \
__ASM_EMIT("vmovss %%xmm0, 0x00(%[" DST "], %[off])") \
__ASM_EMIT("add $0x04, %[off]") \
__ASM_EMIT("dec %[count]") \
__ASM_EMIT("jge 7b") \
__ASM_EMIT("8:")
void saturate(float *dst, size_t count)
{
IF_ARCH_X86(size_t off);
ARCH_X86_ASM(
SAT_BODY("dst", "dst")
: [off] "=&r" (off), [count] "+r" (count)
: [dst] "r" (dst),
[XC] "o" (XC_SATURATE)
: "cc", "memory",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7"
);
}
void copy_saturated(float *dst, const float *src, size_t count)
{
IF_ARCH_X86(size_t off);
ARCH_X86_ASM(
SAT_BODY("dst", "src")
: [off] "=&r" (off), [count] "+r" (count)
: [dst] "r" (dst), [src] "r" (src),
[XC] "o" (XC_SATURATE)
: "cc", "memory",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7"
);
}
#define LIMIT_SAT_BODY(DST, SRC) \
__ASM_EMIT("xor %[off], %[off]") \
/* x16 blocks */ \
__ASM_EMIT("sub $16, %[count]") \
__ASM_EMIT("jb 2f") \
__ASM_EMIT("1:") \
__ASM_EMIT("vmovups 0x00(%[" SRC "], %[off]), %%ymm0") /* ymm0 = s */ \
__ASM_EMIT("vmovups 0x20(%[" SRC "], %[off]), %%ymm1") \
__ASM_EMIT("vmovaps 0x00 + %[XC], %%ymm2") /* ymm2 = +1 */ \
__ASM_EMIT("vandps 0x20 + %[XC], %%ymm0, %%ymm6") /* ymm6 = abs(s) */ \
__ASM_EMIT("vmovaps %%ymm2, %%ymm3") \
__ASM_EMIT("vandps 0x20 + %[XC], %%ymm1, %%ymm7") \
__ASM_EMIT("vcmpps $2, %%ymm2, %%ymm6, %%ymm2") /* ymm2 = c = [ (abs(s) <= +1) & !isnan(s) ] */ \
__ASM_EMIT("vcmpps $2, %%ymm3, %%ymm7, %%ymm3") \
__ASM_EMIT("vandps 0x40 + %[XC], %%ymm0, %%ymm4") /* ymm4 = sign(s) */ \
__ASM_EMIT("vandps 0x40 + %[XC], %%ymm1, %%ymm5") \
__ASM_EMIT("vpcmpgtd 0x60 + %[XC], %%ymm6, %%ymm6") /* ymm6 = [ abs(s) > +Inf ] */ \
__ASM_EMIT("vpcmpgtd 0x60 + %[XC], %%ymm7, %%ymm7") \
__ASM_EMIT("vorps 0x00 + %[XC], %%ymm4, %%ymm4") /* ymm4 = +1 * sign(s) */ \
__ASM_EMIT("vorps 0x00 + %[XC], %%ymm5, %%ymm5") \
__ASM_EMIT("vandnps %%ymm4, %%ymm6, %%ymm4") /* ymm4 = r = +1 * sign(s) & [ abs(s) <= +Inf ] */ \
__ASM_EMIT("vandnps %%ymm5, %%ymm7, %%ymm5") \
__ASM_EMIT("vblendvps %%ymm2, %%ymm0, %%ymm4, %%ymm0") /* ymm0 = (s & c) | (r & !c) */ \
__ASM_EMIT("vblendvps %%ymm3, %%ymm1, %%ymm5, %%ymm1") \
__ASM_EMIT("vmovups %%ymm0, 0x00(%[" DST "], %[off])") \
__ASM_EMIT("vmovups %%ymm1, 0x20(%[" DST "], %[off])") \
__ASM_EMIT("add $0x40, %[off]") \
__ASM_EMIT("sub $16, %[count]") \
__ASM_EMIT("jae 1b") \
__ASM_EMIT("2:") \
/* x8 blocks */ \
__ASM_EMIT("add $8, %[count]") \
__ASM_EMIT("jl 4f") \
__ASM_EMIT("vmovups 0x00(%[" SRC "], %[off]), %%xmm0") /* xmm0 = s */ \
__ASM_EMIT("vmovups 0x10(%[" SRC "], %[off]), %%xmm1") \
__ASM_EMIT("vmovaps 0x00 + %[XC], %%xmm2") /* xmm2 = +1 */ \
__ASM_EMIT("vandps 0x20 + %[XC], %%xmm0, %%xmm6") /* xmm6 = abs(s) */ \
__ASM_EMIT("vmovaps %%xmm2, %%xmm3") \
__ASM_EMIT("vandps 0x20 + %[XC], %%xmm1, %%xmm7") \
__ASM_EMIT("vcmpps $2, %%xmm2, %%xmm6, %%xmm2") /* xmm2 = c = [ (abs(s) <= +1) & !isnan(s) ] */ \
__ASM_EMIT("vcmpps $2, %%xmm3, %%xmm7, %%xmm3") \
__ASM_EMIT("vandps 0x40 + %[XC], %%xmm0, %%xmm4") /* xmm4 = sign(s) */ \
__ASM_EMIT("vandps 0x40 + %[XC], %%xmm1, %%xmm5") \
__ASM_EMIT("vpcmpgtd 0x60 + %[XC], %%xmm6, %%xmm6") /* xmm6 = [ abs(s) > +Inf ] */ \
__ASM_EMIT("vpcmpgtd 0x60 + %[XC], %%xmm7, %%xmm7") \
__ASM_EMIT("vorps 0x00 + %[XC], %%xmm4, %%xmm4") /* xmm4 = +1 * sign(s) */ \
__ASM_EMIT("vorps 0x00 + %[XC], %%xmm5, %%xmm5") \
__ASM_EMIT("vandnps %%xmm4, %%xmm6, %%xmm4") /* xmm4 = r = +1 * sign(s) & [ abs(s) <= +Inf ] */ \
__ASM_EMIT("vandnps %%xmm5, %%xmm7, %%xmm5") \
__ASM_EMIT("vblendvps %%xmm2, %%xmm0, %%xmm4, %%xmm0") /* xmm0 = (s & c) | (r & !c) */ \
__ASM_EMIT("vblendvps %%xmm3, %%xmm1, %%xmm5, %%xmm1") \
__ASM_EMIT("vmovups %%xmm0, 0x00(%[" DST "], %[off])") \
__ASM_EMIT("vmovups %%xmm1, 0x10(%[" DST "], %[off])") \
__ASM_EMIT("sub $8, %[count]") \
__ASM_EMIT("add $0x20, %[off]") \
__ASM_EMIT("4:") \
/* x4 block */ \
__ASM_EMIT("add $4, %[count]") \
__ASM_EMIT("jl 6f") \
__ASM_EMIT("vmovups 0x00(%[" SRC "], %[off]), %%xmm0") /* xmm0 = s */ \
__ASM_EMIT("vmovaps 0x00 + %[XC], %%xmm2") /* xmm2 = +1 */ \
__ASM_EMIT("vandps 0x20 + %[XC], %%xmm0, %%xmm6") /* xmm6 = abs(s) */ \
__ASM_EMIT("vcmpps $2, %%xmm2, %%xmm6, %%xmm2") /* xmm2 = c = [ (abs(s) <= +1) & !isnan(s) ] */ \
__ASM_EMIT("vandps 0x40 + %[XC], %%xmm0, %%xmm4") /* xmm4 = sign(s) */ \
__ASM_EMIT("vpcmpgtd 0x60 + %[XC], %%xmm6, %%xmm6") /* xmm6 = [ abs(s) > +Inf ] */ \
__ASM_EMIT("vorps 0x00 + %[XC], %%xmm4, %%xmm4") /* xmm4 = +1 * sign(s) */ \
__ASM_EMIT("vandnps %%xmm4, %%xmm6, %%xmm4") /* xmm4 = r = +1 * sign(s) & [ abs(s) <= +Inf ] */ \
__ASM_EMIT("vblendvps %%xmm2, %%xmm0, %%xmm4, %%xmm0") /* xmm0 = (s & c) | (r & !c) */ \
__ASM_EMIT("vmovups %%xmm0, 0x00(%[" DST "], %[off])") \
__ASM_EMIT("sub $4, %[count]") \
__ASM_EMIT("add $0x10, %[off]") \
__ASM_EMIT("6:") \
/* x1 block */ \
__ASM_EMIT("add $3, %[count]") \
__ASM_EMIT("jl 8f") \
__ASM_EMIT("7:") \
__ASM_EMIT("vmovss 0x00(%[" SRC "], %[off]), %%xmm0") /* xmm0 = s */ \
__ASM_EMIT("vmovaps 0x00 + %[XC], %%xmm2") /* xmm2 = +1 */ \
__ASM_EMIT("vandps 0x20 + %[XC], %%xmm0, %%xmm6") /* xmm6 = abs(s) */ \
__ASM_EMIT("vcmpps $2, %%xmm2, %%xmm6, %%xmm2") /* xmm2 = c = [ (abs(s) <= +1) & !isnan(s) ] */ \
__ASM_EMIT("vandps 0x40 + %[XC], %%xmm0, %%xmm4") /* xmm4 = sign(s) */ \
__ASM_EMIT("vpcmpgtd 0x60 + %[XC], %%xmm6, %%xmm6") /* xmm6 = [ abs(s) > +Inf ] */ \
__ASM_EMIT("vorps 0x00 + %[XC], %%xmm4, %%xmm4") /* xmm4 = +1 * sign(s) */ \
__ASM_EMIT("vandnps %%xmm4, %%xmm6, %%xmm4") /* xmm4 = r = +1 * sign(s) & [ abs(s) <= +Inf ] */ \
__ASM_EMIT("vblendvps %%xmm2, %%xmm0, %%xmm4, %%xmm0") /* xmm0 = (s & c) | (r & !c) */ \
__ASM_EMIT("vmovss %%xmm0, 0x00(%[" DST "], %[off])") \
__ASM_EMIT("add $0x04, %[off]") \
__ASM_EMIT("dec %[count]") \
__ASM_EMIT("jge 7b") \
__ASM_EMIT("8:")
IF_ARCH_X86(
static uint32_t XLIM_SAT[] __lsp_aligned32 =
{
LSP_DSP_VEC8(0x3f800000), // +1
LSP_DSP_VEC8(0x7fffffff), // abs
LSP_DSP_VEC8(0x80000000), // sign
LSP_DSP_VEC8(0x7f800000) // +Inf
};
)
void limit_saturate1(float *dst, size_t count)
{
IF_ARCH_X86(size_t off);
ARCH_X86_ASM(
LIMIT_SAT_BODY("dst", "dst")
: [off] "=&r" (off), [count] "+r" (count)
: [dst] "r" (dst),
[XC] "o" (XLIM_SAT)
: "cc", "memory",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7"
);
}
void limit_saturate2(float *dst, const float *src, size_t count)
{
IF_ARCH_X86(size_t off);
ARCH_X86_ASM(
LIMIT_SAT_BODY("dst", "src")
: [off] "=&r" (off), [count] "+r" (count)
: [dst] "r" (dst), [src] "r" (src),
[XC] "o" (XLIM_SAT)
: "cc", "memory",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7"
);
}
#undef LIMIT_SAT_BODY
#define SANITIZE_BODY(DST, SRC) \
__ASM_EMIT("xor %[off], %[off]") \
__ASM_EMIT("sub $16, %[count]") \
__ASM_EMIT("jb 2f") \
/* 16x blocks */ \
__ASM_EMIT("1:") \
__ASM_EMIT("vmovdqu 0x00(%[" SRC "], %[off]), %%ymm0") /* ymm0 = s */ \
__ASM_EMIT("vmovdqu 0x20(%[" SRC "], %[off]), %%ymm4") \
__ASM_EMIT("vpand 0x00 + %[CVAL], %%ymm0, %%ymm1") /* ymm1 = abs(s) */ \
__ASM_EMIT("vpand 0x00 + %[CVAL], %%ymm4, %%ymm5") \
__ASM_EMIT("vpand 0x20 + %[CVAL], %%ymm0, %%ymm2") /* ymm2 = sign(s) */ \
__ASM_EMIT("vpand 0x20 + %[CVAL], %%ymm4, %%ymm6") \
__ASM_EMIT("vpcmpgtd 0x40 + %[CVAL], %%ymm1, %%ymm3") /* ymm3 = abs(s) > X_MAX */ \
__ASM_EMIT("vpcmpgtd 0x40 + %[CVAL], %%ymm5, %%ymm7") \
__ASM_EMIT("vpcmpgtd 0x60 + %[CVAL], %%ymm1, %%ymm1") /* ymm1 = abs(s) > X_MIN */ \
__ASM_EMIT("vpcmpgtd 0x60 + %[CVAL], %%ymm5, %%ymm5") \
__ASM_EMIT("vpandn %%ymm1, %%ymm3, %%ymm1") /* ymm1 = (abs(s) > X_MIN) & (abs(s) <= X_MAX) */ \
__ASM_EMIT("vpandn %%ymm5, %%ymm7, %%ymm5") \
__ASM_EMIT("vblendvps %%ymm1, %%ymm0, %%ymm2, %%ymm0") /* ymm0 = ((abs(s) > X_MIN) & (abs(s) <= X_MAX))) ? s : sign(s) */ \
__ASM_EMIT("vblendvps %%ymm5, %%ymm4, %%ymm6, %%ymm4") \
__ASM_EMIT("vmovdqu %%ymm0, 0x00(%[" DST "], %[off])") /* ymm0 = s */ \
__ASM_EMIT("vmovdqu %%ymm4, 0x20(%[" DST "], %[off])") \
__ASM_EMIT("add $0x40, %[off]") \
__ASM_EMIT("sub $16, %[count]") \
__ASM_EMIT("jae 1b") \
/* 8x block */ \
__ASM_EMIT("2:") \
__ASM_EMIT("add $8, %[count]") \
__ASM_EMIT("jl 4f") \
__ASM_EMIT("vmovdqu 0x00(%[" SRC "], %[off]), %%xmm0") /* xmm0 = s */ \
__ASM_EMIT("vmovdqu 0x10(%[" SRC "], %[off]), %%xmm4") \
__ASM_EMIT("vpand 0x00 + %[CVAL], %%xmm0, %%xmm1") /* xmm1 = abs(s) */ \
__ASM_EMIT("vpand 0x10 + %[CVAL], %%xmm4, %%xmm5") \
__ASM_EMIT("vpand 0x20 + %[CVAL], %%xmm0, %%xmm2") /* xmm2 = sign(s) */ \
__ASM_EMIT("vpand 0x30 + %[CVAL], %%xmm4, %%xmm6") \
__ASM_EMIT("vpcmpgtd 0x40 + %[CVAL], %%xmm1, %%xmm3") /* xmm3 = abs(s) > X_MAX */ \
__ASM_EMIT("vpcmpgtd 0x50 + %[CVAL], %%xmm5, %%xmm7") \
__ASM_EMIT("vpcmpgtd 0x60 + %[CVAL], %%xmm1, %%xmm1") /* xmm1 = abs(s) > X_MIN */ \
__ASM_EMIT("vpcmpgtd 0x70 + %[CVAL], %%xmm5, %%xmm5") \
__ASM_EMIT("vpandn %%xmm1, %%xmm3, %%xmm1") /* xmm1 = (abs(s) > X_MIN) & (abs(s) <= X_MAX) */ \
__ASM_EMIT("vpandn %%xmm5, %%xmm7, %%xmm5") \
__ASM_EMIT("vblendvps %%xmm1, %%xmm0, %%xmm2, %%xmm0") /* xmm0 = ((abs(s) > X_MIN) & (abs(s) <= X_MAX))) ? s : sign(s) */ \
__ASM_EMIT("vblendvps %%xmm5, %%xmm4, %%xmm6, %%xmm4") \
__ASM_EMIT("vmovdqu %%xmm0, 0x00(%[" DST "], %[off])") /* xmm0 = s */ \
__ASM_EMIT("vmovdqu %%xmm4, 0x10(%[" DST "], %[off])") \
__ASM_EMIT("sub $8, %[count]") \
__ASM_EMIT("add $0x20, %[off]") \
/* 4x block */ \
__ASM_EMIT("4:") \
__ASM_EMIT("add $4, %[count]") \
__ASM_EMIT("jl 6f") \
__ASM_EMIT("vmovdqu 0x00(%[" SRC "], %[off]), %%xmm0") /* xmm0 = s */ \
__ASM_EMIT("vpand 0x00 + %[CVAL], %%xmm0, %%xmm1") /* xmm1 = abs(s) */ \
__ASM_EMIT("vpand 0x20 + %[CVAL], %%xmm0, %%xmm2") /* xmm2 = sign(s) */ \
__ASM_EMIT("vpcmpgtd 0x40 + %[CVAL], %%xmm1, %%xmm3") /* xmm3 = abs(s) > X_MAX */ \
__ASM_EMIT("vpcmpgtd 0x60 + %[CVAL], %%xmm1, %%xmm1") /* xmm1 = abs(s) > X_MIN */ \
__ASM_EMIT("vpandn %%xmm1, %%xmm3, %%xmm1") /* xmm1 = (abs(s) > X_MIN) & (abs(s) <= X_MAX) */ \
__ASM_EMIT("vblendvps %%xmm1, %%xmm0, %%xmm2, %%xmm0") /* xmm0 = ((abs(s) > X_MIN) & (abs(s) <= X_MAX))) ? s : sign(s) */ \
__ASM_EMIT("vmovdqu %%xmm0, 0x00(%[" DST "], %[off])") /* xmm0 = s */ \
__ASM_EMIT("sub $4, %[count]") \
__ASM_EMIT("add $0x10, %[off]") \
/* 1x blocks */ \
__ASM_EMIT("6:") \
__ASM_EMIT("add $3, %[count]") \
__ASM_EMIT("jl 8f") \
__ASM_EMIT("7:") \
__ASM_EMIT("vmovd 0x00(%[" SRC "], %[off]), %%xmm0") /* xmm0 = s */ \
__ASM_EMIT("vpand 0x00 + %[CVAL], %%xmm0, %%xmm1") /* xmm1 = abs(s) */ \
__ASM_EMIT("vpand 0x20 + %[CVAL], %%xmm0, %%xmm2") /* xmm2 = sign(s) */ \
__ASM_EMIT("vpcmpgtd 0x40 + %[CVAL], %%xmm1, %%xmm3") /* xmm3 = abs(s) > X_MAX */ \
__ASM_EMIT("vpcmpgtd 0x60 + %[CVAL], %%xmm1, %%xmm1") /* xmm1 = abs(s) > X_MIN */ \
__ASM_EMIT("vpandn %%xmm1, %%xmm3, %%xmm1") /* xmm1 = (abs(s) > X_MIN) & (abs(s) <= X_MAX) */ \
__ASM_EMIT("vblendvps %%xmm1, %%xmm0, %%xmm2, %%xmm0") /* xmm0 = ((abs(s) > X_MIN) & (abs(s) <= X_MAX))) ? s : sign(s) */ \
__ASM_EMIT("vmovd %%xmm0, 0x00(%[" DST "], %[off])") /* xmm0 = s */ \
__ASM_EMIT("add $0x04, %[off]") \
__ASM_EMIT("dec %[count]") \
__ASM_EMIT("jge 7b") \
/* end */ \
__ASM_EMIT("8:")
IF_ARCH_X86(
static uint32_t SANITIZE_CVAL[] __lsp_aligned32 =
{
LSP_DSP_VEC8(0x7fffffff), // X_ABS
LSP_DSP_VEC8(0x80000000), // X_SIGN
LSP_DSP_VEC8(0x7f7fffff), // X_MAX
LSP_DSP_VEC8(0x007fffff) // X_MIN
};
)
void sanitize1(float *dst, size_t count)
{
IF_ARCH_X86(size_t off);
ARCH_X86_ASM
(
SANITIZE_BODY("dst", "dst")
: [off] "=&r" (off), [count] "+r" (count)
: [dst] "r" (dst),
[CVAL] "o" (SANITIZE_CVAL)
: "cc", "memory",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7"
);
}
void sanitize2(float *dst, const float *src, size_t count)
{
IF_ARCH_X86(size_t off);
ARCH_X86_ASM
(
SANITIZE_BODY("dst", "src")
: [off] "=&r" (off), [count] "+r" (count)
: [dst] "r" (dst), [src] "r" (src),
[CVAL] "o" (SANITIZE_CVAL)
: "cc", "memory",
"%xmm0", "%xmm1", "%xmm2", "%xmm3",
"%xmm4", "%xmm5", "%xmm6", "%xmm7"
);
}
#undef SANITIZE_BODY
}
}
#endif /* PRIVATE_DSP_ARCH_X86_AVX2_FLOAT_H_ */
|
