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
|
/*
* Loongson MMI optimizations for libjpeg-turbo
*
* Copyright (C) 2015, 2018-2019, D. R. Commander. All Rights Reserved.
* Copyright (C) 2016-2018, Loongson Technology Corporation Limited, BeiJing.
* All Rights Reserved.
* Authors: ZhuChen <zhuchen@loongson.cn>
* CaiWanwei <caiwanwei@loongson.cn>
* SunZhangzhi <sunzhangzhi-cq@loongson.cn>
* ZhangLixia <zhanglixia-hf@loongson.cn>
*
* Based on the x86 SIMD extension for IJG JPEG library
* Copyright (C) 1999-2006, MIYASAKA Masaru.
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
/* CHROMA UPSAMPLING */
#include "jsimd_mmi.h"
enum const_index {
index_PW_ONE,
index_PW_TWO,
index_PW_THREE,
index_PW_SEVEN,
index_PW_EIGHT,
};
static uint64_t const_value[] = {
_uint64_set_pi16(1, 1, 1, 1),
_uint64_set_pi16(2, 2, 2, 2),
_uint64_set_pi16(3, 3, 3, 3),
_uint64_set_pi16(7, 7, 7, 7),
_uint64_set_pi16(8, 8, 8, 8),
};
#define PW_ONE get_const_value(index_PW_ONE)
#define PW_TWO get_const_value(index_PW_TWO)
#define PW_THREE get_const_value(index_PW_THREE)
#define PW_SEVEN get_const_value(index_PW_SEVEN)
#define PW_EIGHT get_const_value(index_PW_EIGHT)
#define PROCESS_ROW(row, wkoffset, bias1, bias2, shift) { \
__m64 samp123X, samp3XXX, samp1234, sampX012, samp_1012; \
__m64 sampXXX4, sampX456, samp3456, samp567X, samp7XXX, samp5678; \
__m64 outle, outhe, outlo, outho, outl, outh; \
\
samp123X = _mm_srli_si64(samp0123, 2 * BYTE_BIT); /* ( 1 2 3 -) */ \
sampXXX4 = _mm_slli_si64(samp4567, (SIZEOF_MMWORD - 2) * BYTE_BIT); /* ( - - - 4) */ \
samp3XXX = _mm_srli_si64(samp0123, (SIZEOF_MMWORD - 2) * BYTE_BIT); /* ( 3 - - -) */ \
sampX456 = _mm_slli_si64(samp4567, 2 * BYTE_BIT); /* ( - 4 5 6) */ \
\
samp1234 = _mm_or_si64(samp123X, sampXXX4); /* ( 1 2 3 4) */ \
samp3456 = _mm_or_si64(samp3XXX, sampX456); /* ( 3 4 5 6) */ \
\
sampX012 = _mm_slli_si64(samp0123, 2 * BYTE_BIT); /* ( - 0 1 2) */ \
samp567X = _mm_srli_si64(samp4567, 2 * BYTE_BIT); /* ( 5 6 7 -) */ \
samp7XXX = _mm_srli_si64(samp4567, (SIZEOF_MMWORD - 2) * BYTE_BIT); /* ( 7 - - -) */ \
\
samp_1012 = _mm_or_si64(sampX012, wk[row]); /* (-1 0 1 2) */ \
samp5678 = _mm_or_si64(samp567X, wk[row + wkoffset]); /* ( 5 6 7 8) */ \
\
wk[row] = samp7XXX; \
\
samp0123 = _mm_mullo_pi16(samp0123, PW_THREE); \
samp4567 = _mm_mullo_pi16(samp4567, PW_THREE); \
samp_1012 = _mm_add_pi16(samp_1012, bias1); \
samp3456 = _mm_add_pi16(samp3456, bias1); \
samp1234 = _mm_add_pi16(samp1234, bias2); \
samp5678 = _mm_add_pi16(samp5678, bias2); \
\
outle = _mm_add_pi16(samp_1012, samp0123); \
outhe = _mm_add_pi16(samp3456, samp4567); \
outle = _mm_srli_pi16(outle, shift); /* ( 0 2 4 6) */ \
outhe = _mm_srli_pi16(outhe, shift); /* ( 8 10 12 14) */ \
outlo = _mm_add_pi16(samp1234, samp0123); \
outho = _mm_add_pi16(samp5678, samp4567); \
outlo = _mm_srli_pi16(outlo, shift); /* ( 1 3 5 7) */ \
outho = _mm_srli_pi16(outho, shift); /* ( 9 11 13 15) */ \
\
outlo = _mm_slli_pi16(outlo, BYTE_BIT); \
outho = _mm_slli_pi16(outho, BYTE_BIT); \
outl = _mm_or_si64(outle, outlo); /* ( 0 1 2 3 4 5 6 7) */ \
outh = _mm_or_si64(outhe, outho); /* ( 8 9 10 11 12 13 14 15) */ \
\
_mm_store_si64((__m64 *)outptr##row, outl); \
_mm_store_si64((__m64 *)outptr##row + 1, outh); \
}
void jsimd_h2v2_fancy_upsample_mmi(int max_v_samp_factor,
JDIMENSION downsampled_width,
JSAMPARRAY input_data,
JSAMPARRAY *output_data_ptr)
{
JSAMPARRAY output_data = *output_data_ptr;
JSAMPROW inptr_1, inptr0, inptr1, outptr0, outptr1;
int inrow, outrow, incol, tmp, tmp1;
__m64 this_1l, this_1h, this_1, thiscolsum_1l, thiscolsum_1h;
__m64 this0l, this0h, this0;
__m64 this1l, this1h, this1, thiscolsum1l, thiscolsum1h;
__m64 next_1l, next_1h, next_1, nextcolsum_1l, nextcolsum_1h;
__m64 next0l, next0h, next0;
__m64 next1l, next1h, next1, nextcolsum1l, nextcolsum1h;
__m64 mask0 = 0.0, masklast, samp0123, samp4567, wk[4], zero = 0.0;
mask0 = _mm_cmpeq_pi8(mask0, mask0);
masklast = _mm_slli_si64(mask0, (SIZEOF_MMWORD - 2) * BYTE_BIT);
mask0 = _mm_srli_si64(mask0, (SIZEOF_MMWORD - 2) * BYTE_BIT);
for (inrow = 0, outrow = 0; outrow < max_v_samp_factor; inrow++) {
inptr_1 = input_data[inrow - 1];
inptr0 = input_data[inrow];
inptr1 = input_data[inrow + 1];
outptr0 = output_data[outrow++];
outptr1 = output_data[outrow++];
if (downsampled_width & 7) {
tmp = (downsampled_width - 1) * sizeof(JSAMPLE);
tmp1 = downsampled_width * sizeof(JSAMPLE);
asm(PTR_ADDU "$8, %3, %6\r\n"
"lb $9, ($8)\r\n"
PTR_ADDU "$8, %3, %7\r\n"
"sb $9, ($8)\r\n"
PTR_ADDU "$8, %4, %6\r\n"
"lb $9, ($8)\r\n"
PTR_ADDU "$8, %4, %7\r\n"
"sb $9, ($8)\r\n"
PTR_ADDU "$8, %5, %6\r\n"
"lb $9, ($8)\r\n"
PTR_ADDU "$8, %5, %7\r\n"
"sb $9, ($8)\r\n"
: "=m" (*inptr_1), "=m" (*inptr0), "=m" (*inptr1)
: "r" (inptr_1), "r" (inptr0), "r" (inptr1), "r" (tmp), "r" (tmp1)
: "$8", "$9"
);
}
/* process the first column block */
this0 = _mm_load_si64((__m64 *)inptr0); /* row[ 0][0] */
this_1 = _mm_load_si64((__m64 *)inptr_1); /* row[-1][0] */
this1 = _mm_load_si64((__m64 *)inptr1); /* row[ 1][0] */
this0l = _mm_unpacklo_pi8(this0, zero); /* row[ 0][0]( 0 1 2 3) */
this0h = _mm_unpackhi_pi8(this0, zero); /* row[ 0][0]( 4 5 6 7) */
this_1l = _mm_unpacklo_pi8(this_1, zero); /* row[-1][0]( 0 1 2 3) */
this_1h = _mm_unpackhi_pi8(this_1, zero); /* row[-1][0]( 4 5 6 7) */
this1l = _mm_unpacklo_pi8(this1, zero); /* row[+1][0]( 0 1 2 3) */
this1h = _mm_unpackhi_pi8(this1, zero); /* row[+1][0]( 4 5 6 7) */
this0l = _mm_mullo_pi16(this0l, PW_THREE);
this0h = _mm_mullo_pi16(this0h, PW_THREE);
thiscolsum_1l = _mm_add_pi16(this_1l, this0l); /* ( 0 1 2 3) */
thiscolsum_1h = _mm_add_pi16(this_1h, this0h); /* ( 4 5 6 7) */
thiscolsum1l = _mm_add_pi16(this0l, this1l); /* ( 0 1 2 3) */
thiscolsum1h = _mm_add_pi16(this0h, this1h); /* ( 4 5 6 7) */
/* temporarily save the intermediate data */
_mm_store_si64((__m64 *)outptr0, thiscolsum_1l);
_mm_store_si64((__m64 *)outptr0 + 1, thiscolsum_1h);
_mm_store_si64((__m64 *)outptr1, thiscolsum1l);
_mm_store_si64((__m64 *)outptr1 + 1, thiscolsum1h);
wk[0] = _mm_and_si64(thiscolsum_1l, mask0); /* ( 0 - - -) */
wk[1] = _mm_and_si64(thiscolsum1l, mask0); /* ( 0 - - -) */
for (incol = downsampled_width; incol > 0;
incol -= 8, inptr_1 += 8, inptr0 += 8, inptr1 += 8,
outptr0 += 16, outptr1 += 16) {
if (incol > 8) {
/* process the next column block */
next0 = _mm_load_si64((__m64 *)inptr0 + 1); /* row[ 0][1] */
next_1 = _mm_load_si64((__m64 *)inptr_1 + 1); /* row[-1][1] */
next1 = _mm_load_si64((__m64 *)inptr1 + 1); /* row[+1][1] */
next0l = _mm_unpacklo_pi8(next0, zero); /* row[ 0][1]( 0 1 2 3) */
next0h = _mm_unpackhi_pi8(next0, zero); /* row[ 0][1]( 4 5 6 7) */
next_1l = _mm_unpacklo_pi8(next_1, zero); /* row[-1][1]( 0 1 2 3) */
next_1h = _mm_unpackhi_pi8(next_1, zero); /* row[-1][1]( 4 5 6 7) */
next1l = _mm_unpacklo_pi8(next1, zero); /* row[+1][1]( 0 1 2 3) */
next1h = _mm_unpackhi_pi8(next1, zero); /* row[+1][1]( 4 5 6 7) */
next0l = _mm_mullo_pi16(next0l, PW_THREE);
next0h = _mm_mullo_pi16(next0h, PW_THREE);
nextcolsum_1l = _mm_add_pi16(next_1l, next0l); /* ( 0 1 2 3) */
nextcolsum_1h = _mm_add_pi16(next_1h, next0h); /* ( 4 5 6 7) */
nextcolsum1l = _mm_add_pi16(next0l, next1l); /* ( 0 1 2 3) */
nextcolsum1h = _mm_add_pi16(next0h, next1h); /* ( 4 5 6 7) */
/* temporarily save the intermediate data */
_mm_store_si64((__m64 *)outptr0 + 2, nextcolsum_1l);
_mm_store_si64((__m64 *)outptr0 + 3, nextcolsum_1h);
_mm_store_si64((__m64 *)outptr1 + 2, nextcolsum1l);
_mm_store_si64((__m64 *)outptr1 + 3, nextcolsum1h);
wk[2] = _mm_slli_si64(nextcolsum_1l, (SIZEOF_MMWORD - 2) * BYTE_BIT); /* ( - - - 0) */
wk[3] = _mm_slli_si64(nextcolsum1l, (SIZEOF_MMWORD - 2) * BYTE_BIT); /* ( - - - 0) */
} else {
__m64 tmp;
/* process the last column block */
tmp = _mm_load_si64((__m64 *)outptr0 + 1);
wk[2] = _mm_and_si64(masklast, tmp); /* ( - - - 7) */
tmp = _mm_load_si64((__m64 *)outptr1 + 1);
wk[3] = _mm_and_si64(masklast, tmp); /* ( - - - 7) */
}
/* process the upper row */
samp0123 = _mm_load_si64((__m64 *)outptr0); /* ( 0 1 2 3) */ \
samp4567 = _mm_load_si64((__m64 *)outptr0 + 1); /* ( 4 5 6 7) */ \
PROCESS_ROW(0, 2, PW_EIGHT, PW_SEVEN, 4)
/* process the lower row */
samp0123 = _mm_load_si64((__m64 *)outptr1); /* ( 0 1 2 3) */ \
samp4567 = _mm_load_si64((__m64 *)outptr1 + 1); /* ( 4 5 6 7) */ \
PROCESS_ROW(1, 2, PW_EIGHT, PW_SEVEN, 4)
}
}
}
void jsimd_h2v1_fancy_upsample_mmi(int max_v_samp_factor,
JDIMENSION downsampled_width,
JSAMPARRAY input_data,
JSAMPARRAY *output_data_ptr)
{
JSAMPARRAY output_data = *output_data_ptr;
JSAMPROW inptr0, outptr0;
int inrow, incol, tmp, tmp1;
__m64 thisl, this, nextl, next;
__m64 mask0 = 0.0, masklast, samp0123, samp4567, wk[2], zero = 0.0;
mask0 = _mm_cmpeq_pi8(mask0, mask0);
masklast = _mm_slli_si64(mask0, (SIZEOF_MMWORD - 2) * BYTE_BIT);
mask0 = _mm_srli_si64(mask0, (SIZEOF_MMWORD - 2) * BYTE_BIT);
for (inrow = 0; inrow < max_v_samp_factor; inrow++) {
inptr0 = input_data[inrow];
outptr0 = output_data[inrow];
if (downsampled_width & 7) {
tmp = (downsampled_width - 1) * sizeof(JSAMPLE);
tmp1 = downsampled_width * sizeof(JSAMPLE);
asm(PTR_ADDU "$8, %1, %2\r\n"
"lb $9, ($8)\r\n"
PTR_ADDU "$8, %1, %3\r\n"
"sb $9, ($8)\r\n"
: "=m" (*inptr0)
: "r" (inptr0), "r" (tmp), "r" (tmp1)
: "$8", "$9"
);
}
/* process the first column block */
this = _mm_load_si64((__m64 *)inptr0); /* row[ 0][0] */
thisl = _mm_unpacklo_pi8(this, zero); /* row[ 0][0]( 0 1 2 3) */
wk[0] = _mm_and_si64(thisl, mask0); /* ( 0 - - -) */
for (incol = downsampled_width; incol > 0;
incol -= 8, inptr0 += 8, outptr0 += 16) {
if (incol > 8) {
/* process the next column block */
next = _mm_load_si64((__m64 *)inptr0 + 1); /* row[ 0][1] */
nextl = _mm_unpacklo_pi8(next, zero); /* row[ 0][1]( 0 1 2 3) */
wk[1] = _mm_slli_si64(nextl, (SIZEOF_MMWORD - 2) * BYTE_BIT); /* ( - - - 0) */
} else {
__m64 thish;
/* process the last column block */
this = _mm_load_si64((__m64 *)inptr0); /* row[ 0][0] */
thish = _mm_unpackhi_pi8(this, zero); /* row[ 0][1]( 4 5 6 7) */
wk[1] = _mm_and_si64(masklast, thish); /* ( - - - 7) */
}
/* process the row */
this = _mm_load_si64((__m64 *)inptr0); /* row[ 0][0] */
samp0123 = _mm_unpacklo_pi8(this, zero); /* ( 0 1 2 3) */
samp4567 = _mm_unpackhi_pi8(this, zero); /* ( 4 5 6 7) */
PROCESS_ROW(0, 1, PW_ONE, PW_TWO, 2)
}
}
}
|
