1 /*
2 * Copyright (c) 2015 The WebM project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include <assert.h>
12 #include "./vpx_dsp_rtcd.h"
13 #include "vpx_dsp/mips/vpx_convolve_msa.h"
14
15 const uint8_t mc_filt_mask_arr[16 * 3] = {
16 /* 8 width cases */
17 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8,
18 /* 4 width cases */
19 0, 1, 1, 2, 2, 3, 3, 4, 16, 17, 17, 18, 18, 19, 19, 20,
20 /* 4 width cases */
21 8, 9, 9, 10, 10, 11, 11, 12, 24, 25, 25, 26, 26, 27, 27, 28
22 };
23
common_hv_8ht_8vt_4w_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert,int32_t height)24 static void common_hv_8ht_8vt_4w_msa(const uint8_t *src, int32_t src_stride,
25 uint8_t *dst, int32_t dst_stride,
26 int8_t *filter_horiz, int8_t *filter_vert,
27 int32_t height) {
28 uint32_t loop_cnt;
29 v16i8 src0, src1, src2, src3, src4, src5, src6, src7, src8, src9, src10;
30 v16i8 filt_hz0, filt_hz1, filt_hz2, filt_hz3;
31 v16u8 mask0, mask1, mask2, mask3, out;
32 v8i16 hz_out0, hz_out1, hz_out2, hz_out3, hz_out4, hz_out5, hz_out6;
33 v8i16 hz_out7, hz_out8, hz_out9, tmp0, tmp1, out0, out1, out2, out3, out4;
34 v8i16 filt, filt_vt0, filt_vt1, filt_vt2, filt_vt3;
35
36 mask0 = LD_UB(&mc_filt_mask_arr[16]);
37 src -= (3 + 3 * src_stride);
38
39 /* rearranging filter */
40 filt = LD_SH(filter_horiz);
41 SPLATI_H4_SB(filt, 0, 1, 2, 3, filt_hz0, filt_hz1, filt_hz2, filt_hz3);
42
43 mask1 = mask0 + 2;
44 mask2 = mask0 + 4;
45 mask3 = mask0 + 6;
46
47 LD_SB7(src, src_stride, src0, src1, src2, src3, src4, src5, src6);
48 XORI_B7_128_SB(src0, src1, src2, src3, src4, src5, src6);
49 src += (7 * src_stride);
50
51 hz_out0 = HORIZ_8TAP_FILT(src0, src1, mask0, mask1, mask2, mask3, filt_hz0,
52 filt_hz1, filt_hz2, filt_hz3);
53 hz_out2 = HORIZ_8TAP_FILT(src2, src3, mask0, mask1, mask2, mask3, filt_hz0,
54 filt_hz1, filt_hz2, filt_hz3);
55 hz_out4 = HORIZ_8TAP_FILT(src4, src5, mask0, mask1, mask2, mask3, filt_hz0,
56 filt_hz1, filt_hz2, filt_hz3);
57 hz_out5 = HORIZ_8TAP_FILT(src5, src6, mask0, mask1, mask2, mask3, filt_hz0,
58 filt_hz1, filt_hz2, filt_hz3);
59 SLDI_B2_SH(hz_out2, hz_out4, hz_out0, hz_out2, hz_out1, hz_out3, 8);
60
61 filt = LD_SH(filter_vert);
62 SPLATI_H4_SH(filt, 0, 1, 2, 3, filt_vt0, filt_vt1, filt_vt2, filt_vt3);
63
64 ILVEV_B2_SH(hz_out0, hz_out1, hz_out2, hz_out3, out0, out1);
65 out2 = (v8i16)__msa_ilvev_b((v16i8)hz_out5, (v16i8)hz_out4);
66
67 for (loop_cnt = (height >> 2); loop_cnt--;) {
68 LD_SB4(src, src_stride, src7, src8, src9, src10);
69 XORI_B4_128_SB(src7, src8, src9, src10);
70 src += (4 * src_stride);
71
72 hz_out7 = HORIZ_8TAP_FILT(src7, src8, mask0, mask1, mask2, mask3, filt_hz0,
73 filt_hz1, filt_hz2, filt_hz3);
74 hz_out6 = (v8i16)__msa_sldi_b((v16i8)hz_out7, (v16i8)hz_out5, 8);
75 out3 = (v8i16)__msa_ilvev_b((v16i8)hz_out7, (v16i8)hz_out6);
76 tmp0 = FILT_8TAP_DPADD_S_H(out0, out1, out2, out3, filt_vt0, filt_vt1,
77 filt_vt2, filt_vt3);
78
79 hz_out9 = HORIZ_8TAP_FILT(src9, src10, mask0, mask1, mask2, mask3, filt_hz0,
80 filt_hz1, filt_hz2, filt_hz3);
81 hz_out8 = (v8i16)__msa_sldi_b((v16i8)hz_out9, (v16i8)hz_out7, 8);
82 out4 = (v8i16)__msa_ilvev_b((v16i8)hz_out9, (v16i8)hz_out8);
83 tmp1 = FILT_8TAP_DPADD_S_H(out1, out2, out3, out4, filt_vt0, filt_vt1,
84 filt_vt2, filt_vt3);
85 SRARI_H2_SH(tmp0, tmp1, FILTER_BITS);
86 SAT_SH2_SH(tmp0, tmp1, 7);
87 out = PCKEV_XORI128_UB(tmp0, tmp1);
88 ST4x4_UB(out, out, 0, 1, 2, 3, dst, dst_stride);
89 dst += (4 * dst_stride);
90
91 hz_out5 = hz_out9;
92 out0 = out2;
93 out1 = out3;
94 out2 = out4;
95 }
96 }
97
common_hv_8ht_8vt_8w_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert,int32_t height)98 static void common_hv_8ht_8vt_8w_msa(const uint8_t *src, int32_t src_stride,
99 uint8_t *dst, int32_t dst_stride,
100 int8_t *filter_horiz, int8_t *filter_vert,
101 int32_t height) {
102 uint32_t loop_cnt;
103 v16i8 src0, src1, src2, src3, src4, src5, src6, src7, src8, src9, src10;
104 v16i8 filt_hz0, filt_hz1, filt_hz2, filt_hz3;
105 v16u8 mask0, mask1, mask2, mask3, vec0, vec1;
106 v8i16 filt, filt_vt0, filt_vt1, filt_vt2, filt_vt3;
107 v8i16 hz_out0, hz_out1, hz_out2, hz_out3, hz_out4, hz_out5, hz_out6;
108 v8i16 hz_out7, hz_out8, hz_out9, hz_out10, tmp0, tmp1, tmp2, tmp3;
109 v8i16 out0, out1, out2, out3, out4, out5, out6, out7, out8, out9;
110
111 mask0 = LD_UB(&mc_filt_mask_arr[0]);
112 src -= (3 + 3 * src_stride);
113
114 /* rearranging filter */
115 filt = LD_SH(filter_horiz);
116 SPLATI_H4_SB(filt, 0, 1, 2, 3, filt_hz0, filt_hz1, filt_hz2, filt_hz3);
117
118 mask1 = mask0 + 2;
119 mask2 = mask0 + 4;
120 mask3 = mask0 + 6;
121
122 LD_SB7(src, src_stride, src0, src1, src2, src3, src4, src5, src6);
123 src += (7 * src_stride);
124
125 XORI_B7_128_SB(src0, src1, src2, src3, src4, src5, src6);
126 hz_out0 = HORIZ_8TAP_FILT(src0, src0, mask0, mask1, mask2, mask3, filt_hz0,
127 filt_hz1, filt_hz2, filt_hz3);
128 hz_out1 = HORIZ_8TAP_FILT(src1, src1, mask0, mask1, mask2, mask3, filt_hz0,
129 filt_hz1, filt_hz2, filt_hz3);
130 hz_out2 = HORIZ_8TAP_FILT(src2, src2, mask0, mask1, mask2, mask3, filt_hz0,
131 filt_hz1, filt_hz2, filt_hz3);
132 hz_out3 = HORIZ_8TAP_FILT(src3, src3, mask0, mask1, mask2, mask3, filt_hz0,
133 filt_hz1, filt_hz2, filt_hz3);
134 hz_out4 = HORIZ_8TAP_FILT(src4, src4, mask0, mask1, mask2, mask3, filt_hz0,
135 filt_hz1, filt_hz2, filt_hz3);
136 hz_out5 = HORIZ_8TAP_FILT(src5, src5, mask0, mask1, mask2, mask3, filt_hz0,
137 filt_hz1, filt_hz2, filt_hz3);
138 hz_out6 = HORIZ_8TAP_FILT(src6, src6, mask0, mask1, mask2, mask3, filt_hz0,
139 filt_hz1, filt_hz2, filt_hz3);
140
141 filt = LD_SH(filter_vert);
142 SPLATI_H4_SH(filt, 0, 1, 2, 3, filt_vt0, filt_vt1, filt_vt2, filt_vt3);
143
144 ILVEV_B2_SH(hz_out0, hz_out1, hz_out2, hz_out3, out0, out1);
145 ILVEV_B2_SH(hz_out4, hz_out5, hz_out1, hz_out2, out2, out4);
146 ILVEV_B2_SH(hz_out3, hz_out4, hz_out5, hz_out6, out5, out6);
147
148 for (loop_cnt = (height >> 2); loop_cnt--;) {
149 LD_SB4(src, src_stride, src7, src8, src9, src10);
150 src += (4 * src_stride);
151
152 XORI_B4_128_SB(src7, src8, src9, src10);
153
154 hz_out7 = HORIZ_8TAP_FILT(src7, src7, mask0, mask1, mask2, mask3, filt_hz0,
155 filt_hz1, filt_hz2, filt_hz3);
156 out3 = (v8i16)__msa_ilvev_b((v16i8)hz_out7, (v16i8)hz_out6);
157 tmp0 = FILT_8TAP_DPADD_S_H(out0, out1, out2, out3, filt_vt0, filt_vt1,
158 filt_vt2, filt_vt3);
159
160 hz_out8 = HORIZ_8TAP_FILT(src8, src8, mask0, mask1, mask2, mask3, filt_hz0,
161 filt_hz1, filt_hz2, filt_hz3);
162 out7 = (v8i16)__msa_ilvev_b((v16i8)hz_out8, (v16i8)hz_out7);
163 tmp1 = FILT_8TAP_DPADD_S_H(out4, out5, out6, out7, filt_vt0, filt_vt1,
164 filt_vt2, filt_vt3);
165
166 hz_out9 = HORIZ_8TAP_FILT(src9, src9, mask0, mask1, mask2, mask3, filt_hz0,
167 filt_hz1, filt_hz2, filt_hz3);
168 out8 = (v8i16)__msa_ilvev_b((v16i8)hz_out9, (v16i8)hz_out8);
169 tmp2 = FILT_8TAP_DPADD_S_H(out1, out2, out3, out8, filt_vt0, filt_vt1,
170 filt_vt2, filt_vt3);
171
172 hz_out10 = HORIZ_8TAP_FILT(src10, src10, mask0, mask1, mask2, mask3,
173 filt_hz0, filt_hz1, filt_hz2, filt_hz3);
174 out9 = (v8i16)__msa_ilvev_b((v16i8)hz_out10, (v16i8)hz_out9);
175 tmp3 = FILT_8TAP_DPADD_S_H(out5, out6, out7, out9, filt_vt0, filt_vt1,
176 filt_vt2, filt_vt3);
177 SRARI_H4_SH(tmp0, tmp1, tmp2, tmp3, FILTER_BITS);
178 SAT_SH4_SH(tmp0, tmp1, tmp2, tmp3, 7);
179 vec0 = PCKEV_XORI128_UB(tmp0, tmp1);
180 vec1 = PCKEV_XORI128_UB(tmp2, tmp3);
181 ST8x4_UB(vec0, vec1, dst, dst_stride);
182 dst += (4 * dst_stride);
183
184 hz_out6 = hz_out10;
185 out0 = out2;
186 out1 = out3;
187 out2 = out8;
188 out4 = out6;
189 out5 = out7;
190 out6 = out9;
191 }
192 }
193
common_hv_8ht_8vt_16w_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert,int32_t height)194 static void common_hv_8ht_8vt_16w_msa(const uint8_t *src, int32_t src_stride,
195 uint8_t *dst, int32_t dst_stride,
196 int8_t *filter_horiz, int8_t *filter_vert,
197 int32_t height) {
198 int32_t multiple8_cnt;
199 for (multiple8_cnt = 2; multiple8_cnt--;) {
200 common_hv_8ht_8vt_8w_msa(src, src_stride, dst, dst_stride, filter_horiz,
201 filter_vert, height);
202 src += 8;
203 dst += 8;
204 }
205 }
206
common_hv_8ht_8vt_32w_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert,int32_t height)207 static void common_hv_8ht_8vt_32w_msa(const uint8_t *src, int32_t src_stride,
208 uint8_t *dst, int32_t dst_stride,
209 int8_t *filter_horiz, int8_t *filter_vert,
210 int32_t height) {
211 int32_t multiple8_cnt;
212 for (multiple8_cnt = 4; multiple8_cnt--;) {
213 common_hv_8ht_8vt_8w_msa(src, src_stride, dst, dst_stride, filter_horiz,
214 filter_vert, height);
215 src += 8;
216 dst += 8;
217 }
218 }
219
common_hv_8ht_8vt_64w_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert,int32_t height)220 static void common_hv_8ht_8vt_64w_msa(const uint8_t *src, int32_t src_stride,
221 uint8_t *dst, int32_t dst_stride,
222 int8_t *filter_horiz, int8_t *filter_vert,
223 int32_t height) {
224 int32_t multiple8_cnt;
225 for (multiple8_cnt = 8; multiple8_cnt--;) {
226 common_hv_8ht_8vt_8w_msa(src, src_stride, dst, dst_stride, filter_horiz,
227 filter_vert, height);
228 src += 8;
229 dst += 8;
230 }
231 }
232
common_hv_2ht_2vt_4x4_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert)233 static void common_hv_2ht_2vt_4x4_msa(const uint8_t *src, int32_t src_stride,
234 uint8_t *dst, int32_t dst_stride,
235 int8_t *filter_horiz,
236 int8_t *filter_vert) {
237 v16i8 src0, src1, src2, src3, src4, mask;
238 v16u8 filt_vt, filt_hz, vec0, vec1, res0, res1;
239 v8u16 hz_out0, hz_out1, hz_out2, hz_out3, hz_out4, filt, tmp0, tmp1;
240
241 mask = LD_SB(&mc_filt_mask_arr[16]);
242
243 /* rearranging filter */
244 filt = LD_UH(filter_horiz);
245 filt_hz = (v16u8)__msa_splati_h((v8i16)filt, 0);
246
247 filt = LD_UH(filter_vert);
248 filt_vt = (v16u8)__msa_splati_h((v8i16)filt, 0);
249
250 LD_SB5(src, src_stride, src0, src1, src2, src3, src4);
251 hz_out0 = HORIZ_2TAP_FILT_UH(src0, src1, mask, filt_hz, FILTER_BITS);
252 hz_out2 = HORIZ_2TAP_FILT_UH(src2, src3, mask, filt_hz, FILTER_BITS);
253 hz_out4 = HORIZ_2TAP_FILT_UH(src4, src4, mask, filt_hz, FILTER_BITS);
254 hz_out1 = (v8u16)__msa_sldi_b((v16i8)hz_out2, (v16i8)hz_out0, 8);
255 hz_out3 = (v8u16)__msa_pckod_d((v2i64)hz_out4, (v2i64)hz_out2);
256
257 ILVEV_B2_UB(hz_out0, hz_out1, hz_out2, hz_out3, vec0, vec1);
258 DOTP_UB2_UH(vec0, vec1, filt_vt, filt_vt, tmp0, tmp1);
259 SRARI_H2_UH(tmp0, tmp1, FILTER_BITS);
260 PCKEV_B2_UB(tmp0, tmp0, tmp1, tmp1, res0, res1);
261 ST4x4_UB(res0, res1, 0, 1, 0, 1, dst, dst_stride);
262 }
263
common_hv_2ht_2vt_4x8_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert)264 static void common_hv_2ht_2vt_4x8_msa(const uint8_t *src, int32_t src_stride,
265 uint8_t *dst, int32_t dst_stride,
266 int8_t *filter_horiz,
267 int8_t *filter_vert) {
268 v16i8 src0, src1, src2, src3, src4, src5, src6, src7, src8, mask;
269 v16i8 res0, res1, res2, res3;
270 v16u8 filt_hz, filt_vt, vec0, vec1, vec2, vec3;
271 v8u16 hz_out0, hz_out1, hz_out2, hz_out3, hz_out4, hz_out5, hz_out6;
272 v8u16 hz_out7, hz_out8, vec4, vec5, vec6, vec7, filt;
273
274 mask = LD_SB(&mc_filt_mask_arr[16]);
275
276 /* rearranging filter */
277 filt = LD_UH(filter_horiz);
278 filt_hz = (v16u8)__msa_splati_h((v8i16)filt, 0);
279
280 filt = LD_UH(filter_vert);
281 filt_vt = (v16u8)__msa_splati_h((v8i16)filt, 0);
282
283 LD_SB8(src, src_stride, src0, src1, src2, src3, src4, src5, src6, src7);
284 src += (8 * src_stride);
285 src8 = LD_SB(src);
286
287 hz_out0 = HORIZ_2TAP_FILT_UH(src0, src1, mask, filt_hz, FILTER_BITS);
288 hz_out2 = HORIZ_2TAP_FILT_UH(src2, src3, mask, filt_hz, FILTER_BITS);
289 hz_out4 = HORIZ_2TAP_FILT_UH(src4, src5, mask, filt_hz, FILTER_BITS);
290 hz_out6 = HORIZ_2TAP_FILT_UH(src6, src7, mask, filt_hz, FILTER_BITS);
291 hz_out8 = HORIZ_2TAP_FILT_UH(src8, src8, mask, filt_hz, FILTER_BITS);
292 SLDI_B3_UH(hz_out2, hz_out4, hz_out6, hz_out0, hz_out2, hz_out4, hz_out1,
293 hz_out3, hz_out5, 8);
294 hz_out7 = (v8u16)__msa_pckod_d((v2i64)hz_out8, (v2i64)hz_out6);
295
296 ILVEV_B2_UB(hz_out0, hz_out1, hz_out2, hz_out3, vec0, vec1);
297 ILVEV_B2_UB(hz_out4, hz_out5, hz_out6, hz_out7, vec2, vec3);
298 DOTP_UB4_UH(vec0, vec1, vec2, vec3, filt_vt, filt_vt, filt_vt, filt_vt, vec4,
299 vec5, vec6, vec7);
300 SRARI_H4_UH(vec4, vec5, vec6, vec7, FILTER_BITS);
301 PCKEV_B4_SB(vec4, vec4, vec5, vec5, vec6, vec6, vec7, vec7, res0, res1, res2,
302 res3);
303 ST4x4_UB(res0, res1, 0, 1, 0, 1, dst, dst_stride);
304 dst += (4 * dst_stride);
305 ST4x4_UB(res2, res3, 0, 1, 0, 1, dst, dst_stride);
306 }
307
common_hv_2ht_2vt_4w_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert,int32_t height)308 static void common_hv_2ht_2vt_4w_msa(const uint8_t *src, int32_t src_stride,
309 uint8_t *dst, int32_t dst_stride,
310 int8_t *filter_horiz, int8_t *filter_vert,
311 int32_t height) {
312 if (4 == height) {
313 common_hv_2ht_2vt_4x4_msa(src, src_stride, dst, dst_stride, filter_horiz,
314 filter_vert);
315 } else if (8 == height) {
316 common_hv_2ht_2vt_4x8_msa(src, src_stride, dst, dst_stride, filter_horiz,
317 filter_vert);
318 }
319 }
320
common_hv_2ht_2vt_8x4_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert)321 static void common_hv_2ht_2vt_8x4_msa(const uint8_t *src, int32_t src_stride,
322 uint8_t *dst, int32_t dst_stride,
323 int8_t *filter_horiz,
324 int8_t *filter_vert) {
325 v16i8 src0, src1, src2, src3, src4, mask, out0, out1;
326 v16u8 filt_hz, filt_vt, vec0, vec1, vec2, vec3;
327 v8u16 hz_out0, hz_out1, tmp0, tmp1, tmp2, tmp3;
328 v8i16 filt;
329
330 mask = LD_SB(&mc_filt_mask_arr[0]);
331
332 /* rearranging filter */
333 filt = LD_SH(filter_horiz);
334 filt_hz = (v16u8)__msa_splati_h(filt, 0);
335
336 filt = LD_SH(filter_vert);
337 filt_vt = (v16u8)__msa_splati_h(filt, 0);
338
339 LD_SB5(src, src_stride, src0, src1, src2, src3, src4);
340
341 hz_out0 = HORIZ_2TAP_FILT_UH(src0, src0, mask, filt_hz, FILTER_BITS);
342 hz_out1 = HORIZ_2TAP_FILT_UH(src1, src1, mask, filt_hz, FILTER_BITS);
343 vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out1, (v16i8)hz_out0);
344 tmp0 = __msa_dotp_u_h(vec0, filt_vt);
345
346 hz_out0 = HORIZ_2TAP_FILT_UH(src2, src2, mask, filt_hz, FILTER_BITS);
347 vec1 = (v16u8)__msa_ilvev_b((v16i8)hz_out0, (v16i8)hz_out1);
348 tmp1 = __msa_dotp_u_h(vec1, filt_vt);
349
350 hz_out1 = HORIZ_2TAP_FILT_UH(src3, src3, mask, filt_hz, FILTER_BITS);
351 vec2 = (v16u8)__msa_ilvev_b((v16i8)hz_out1, (v16i8)hz_out0);
352 tmp2 = __msa_dotp_u_h(vec2, filt_vt);
353
354 hz_out0 = HORIZ_2TAP_FILT_UH(src4, src4, mask, filt_hz, FILTER_BITS);
355 vec3 = (v16u8)__msa_ilvev_b((v16i8)hz_out0, (v16i8)hz_out1);
356 tmp3 = __msa_dotp_u_h(vec3, filt_vt);
357
358 SRARI_H4_UH(tmp0, tmp1, tmp2, tmp3, FILTER_BITS);
359 PCKEV_B2_SB(tmp1, tmp0, tmp3, tmp2, out0, out1);
360 ST8x4_UB(out0, out1, dst, dst_stride);
361 }
362
common_hv_2ht_2vt_8x8mult_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert,int32_t height)363 static void common_hv_2ht_2vt_8x8mult_msa(const uint8_t *src,
364 int32_t src_stride, uint8_t *dst,
365 int32_t dst_stride,
366 int8_t *filter_horiz,
367 int8_t *filter_vert, int32_t height) {
368 uint32_t loop_cnt;
369 v16i8 src0, src1, src2, src3, src4, mask, out0, out1;
370 v16u8 filt_hz, filt_vt, vec0;
371 v8u16 hz_out0, hz_out1, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8;
372 v8i16 filt;
373
374 mask = LD_SB(&mc_filt_mask_arr[0]);
375
376 /* rearranging filter */
377 filt = LD_SH(filter_horiz);
378 filt_hz = (v16u8)__msa_splati_h(filt, 0);
379
380 filt = LD_SH(filter_vert);
381 filt_vt = (v16u8)__msa_splati_h(filt, 0);
382
383 src0 = LD_SB(src);
384 src += src_stride;
385
386 hz_out0 = HORIZ_2TAP_FILT_UH(src0, src0, mask, filt_hz, FILTER_BITS);
387
388 for (loop_cnt = (height >> 3); loop_cnt--;) {
389 LD_SB4(src, src_stride, src1, src2, src3, src4);
390 src += (4 * src_stride);
391
392 hz_out1 = HORIZ_2TAP_FILT_UH(src1, src1, mask, filt_hz, FILTER_BITS);
393 vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out1, (v16i8)hz_out0);
394 tmp1 = __msa_dotp_u_h(vec0, filt_vt);
395
396 hz_out0 = HORIZ_2TAP_FILT_UH(src2, src2, mask, filt_hz, FILTER_BITS);
397 vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out0, (v16i8)hz_out1);
398 tmp2 = __msa_dotp_u_h(vec0, filt_vt);
399
400 SRARI_H2_UH(tmp1, tmp2, FILTER_BITS);
401
402 hz_out1 = HORIZ_2TAP_FILT_UH(src3, src3, mask, filt_hz, FILTER_BITS);
403 vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out1, (v16i8)hz_out0);
404 tmp3 = __msa_dotp_u_h(vec0, filt_vt);
405
406 hz_out0 = HORIZ_2TAP_FILT_UH(src4, src4, mask, filt_hz, FILTER_BITS);
407 LD_SB4(src, src_stride, src1, src2, src3, src4);
408 src += (4 * src_stride);
409 vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out0, (v16i8)hz_out1);
410 tmp4 = __msa_dotp_u_h(vec0, filt_vt);
411
412 SRARI_H2_UH(tmp3, tmp4, FILTER_BITS);
413 PCKEV_B2_SB(tmp2, tmp1, tmp4, tmp3, out0, out1);
414 ST8x4_UB(out0, out1, dst, dst_stride);
415 dst += (4 * dst_stride);
416
417 hz_out1 = HORIZ_2TAP_FILT_UH(src1, src1, mask, filt_hz, FILTER_BITS);
418 vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out1, (v16i8)hz_out0);
419 tmp5 = __msa_dotp_u_h(vec0, filt_vt);
420
421 hz_out0 = HORIZ_2TAP_FILT_UH(src2, src2, mask, filt_hz, FILTER_BITS);
422 vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out0, (v16i8)hz_out1);
423 tmp6 = __msa_dotp_u_h(vec0, filt_vt);
424
425 hz_out1 = HORIZ_2TAP_FILT_UH(src3, src3, mask, filt_hz, FILTER_BITS);
426 vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out1, (v16i8)hz_out0);
427 tmp7 = __msa_dotp_u_h(vec0, filt_vt);
428
429 hz_out0 = HORIZ_2TAP_FILT_UH(src4, src4, mask, filt_hz, FILTER_BITS);
430 vec0 = (v16u8)__msa_ilvev_b((v16i8)hz_out0, (v16i8)hz_out1);
431 tmp8 = __msa_dotp_u_h(vec0, filt_vt);
432
433 SRARI_H4_UH(tmp5, tmp6, tmp7, tmp8, FILTER_BITS);
434 PCKEV_B2_SB(tmp6, tmp5, tmp8, tmp7, out0, out1);
435 ST8x4_UB(out0, out1, dst, dst_stride);
436 dst += (4 * dst_stride);
437 }
438 }
439
common_hv_2ht_2vt_8w_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert,int32_t height)440 static void common_hv_2ht_2vt_8w_msa(const uint8_t *src, int32_t src_stride,
441 uint8_t *dst, int32_t dst_stride,
442 int8_t *filter_horiz, int8_t *filter_vert,
443 int32_t height) {
444 if (4 == height) {
445 common_hv_2ht_2vt_8x4_msa(src, src_stride, dst, dst_stride, filter_horiz,
446 filter_vert);
447 } else {
448 common_hv_2ht_2vt_8x8mult_msa(src, src_stride, dst, dst_stride,
449 filter_horiz, filter_vert, height);
450 }
451 }
452
common_hv_2ht_2vt_16w_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert,int32_t height)453 static void common_hv_2ht_2vt_16w_msa(const uint8_t *src, int32_t src_stride,
454 uint8_t *dst, int32_t dst_stride,
455 int8_t *filter_horiz, int8_t *filter_vert,
456 int32_t height) {
457 uint32_t loop_cnt;
458 v16i8 src0, src1, src2, src3, src4, src5, src6, src7, mask;
459 v16u8 filt_hz, filt_vt, vec0, vec1;
460 v8u16 tmp1, tmp2, hz_out0, hz_out1, hz_out2, hz_out3;
461 v8i16 filt;
462
463 mask = LD_SB(&mc_filt_mask_arr[0]);
464
465 /* rearranging filter */
466 filt = LD_SH(filter_horiz);
467 filt_hz = (v16u8)__msa_splati_h(filt, 0);
468
469 filt = LD_SH(filter_vert);
470 filt_vt = (v16u8)__msa_splati_h(filt, 0);
471
472 LD_SB2(src, 8, src0, src1);
473 src += src_stride;
474
475 hz_out0 = HORIZ_2TAP_FILT_UH(src0, src0, mask, filt_hz, FILTER_BITS);
476 hz_out2 = HORIZ_2TAP_FILT_UH(src1, src1, mask, filt_hz, FILTER_BITS);
477
478 for (loop_cnt = (height >> 2); loop_cnt--;) {
479 LD_SB4(src, src_stride, src0, src2, src4, src6);
480 LD_SB4(src + 8, src_stride, src1, src3, src5, src7);
481 src += (4 * src_stride);
482
483 hz_out1 = HORIZ_2TAP_FILT_UH(src0, src0, mask, filt_hz, FILTER_BITS);
484 hz_out3 = HORIZ_2TAP_FILT_UH(src1, src1, mask, filt_hz, FILTER_BITS);
485 ILVEV_B2_UB(hz_out0, hz_out1, hz_out2, hz_out3, vec0, vec1);
486 DOTP_UB2_UH(vec0, vec1, filt_vt, filt_vt, tmp1, tmp2);
487 SRARI_H2_UH(tmp1, tmp2, FILTER_BITS);
488 PCKEV_ST_SB(tmp1, tmp2, dst);
489 dst += dst_stride;
490
491 hz_out0 = HORIZ_2TAP_FILT_UH(src2, src2, mask, filt_hz, FILTER_BITS);
492 hz_out2 = HORIZ_2TAP_FILT_UH(src3, src3, mask, filt_hz, FILTER_BITS);
493 ILVEV_B2_UB(hz_out1, hz_out0, hz_out3, hz_out2, vec0, vec1);
494 DOTP_UB2_UH(vec0, vec1, filt_vt, filt_vt, tmp1, tmp2);
495 SRARI_H2_UH(tmp1, tmp2, FILTER_BITS);
496 PCKEV_ST_SB(tmp1, tmp2, dst);
497 dst += dst_stride;
498
499 hz_out1 = HORIZ_2TAP_FILT_UH(src4, src4, mask, filt_hz, FILTER_BITS);
500 hz_out3 = HORIZ_2TAP_FILT_UH(src5, src5, mask, filt_hz, FILTER_BITS);
501 ILVEV_B2_UB(hz_out0, hz_out1, hz_out2, hz_out3, vec0, vec1);
502 DOTP_UB2_UH(vec0, vec1, filt_vt, filt_vt, tmp1, tmp2);
503 SRARI_H2_UH(tmp1, tmp2, FILTER_BITS);
504 PCKEV_ST_SB(tmp1, tmp2, dst);
505 dst += dst_stride;
506
507 hz_out0 = HORIZ_2TAP_FILT_UH(src6, src6, mask, filt_hz, FILTER_BITS);
508 hz_out2 = HORIZ_2TAP_FILT_UH(src7, src7, mask, filt_hz, FILTER_BITS);
509 ILVEV_B2_UB(hz_out1, hz_out0, hz_out3, hz_out2, vec0, vec1);
510 DOTP_UB2_UH(vec0, vec1, filt_vt, filt_vt, tmp1, tmp2);
511 SRARI_H2_UH(tmp1, tmp2, FILTER_BITS);
512 PCKEV_ST_SB(tmp1, tmp2, dst);
513 dst += dst_stride;
514 }
515 }
516
common_hv_2ht_2vt_32w_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert,int32_t height)517 static void common_hv_2ht_2vt_32w_msa(const uint8_t *src, int32_t src_stride,
518 uint8_t *dst, int32_t dst_stride,
519 int8_t *filter_horiz, int8_t *filter_vert,
520 int32_t height) {
521 int32_t multiple8_cnt;
522 for (multiple8_cnt = 2; multiple8_cnt--;) {
523 common_hv_2ht_2vt_16w_msa(src, src_stride, dst, dst_stride, filter_horiz,
524 filter_vert, height);
525 src += 16;
526 dst += 16;
527 }
528 }
529
common_hv_2ht_2vt_64w_msa(const uint8_t * src,int32_t src_stride,uint8_t * dst,int32_t dst_stride,int8_t * filter_horiz,int8_t * filter_vert,int32_t height)530 static void common_hv_2ht_2vt_64w_msa(const uint8_t *src, int32_t src_stride,
531 uint8_t *dst, int32_t dst_stride,
532 int8_t *filter_horiz, int8_t *filter_vert,
533 int32_t height) {
534 int32_t multiple8_cnt;
535 for (multiple8_cnt = 4; multiple8_cnt--;) {
536 common_hv_2ht_2vt_16w_msa(src, src_stride, dst, dst_stride, filter_horiz,
537 filter_vert, height);
538 src += 16;
539 dst += 16;
540 }
541 }
542
vpx_convolve8_msa(const uint8_t * src,ptrdiff_t src_stride,uint8_t * dst,ptrdiff_t dst_stride,const InterpKernel * filter,int x0_q4,int32_t x_step_q4,int y0_q4,int32_t y_step_q4,int32_t w,int32_t h)543 void vpx_convolve8_msa(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
544 ptrdiff_t dst_stride, const InterpKernel *filter,
545 int x0_q4, int32_t x_step_q4, int y0_q4,
546 int32_t y_step_q4, int32_t w, int32_t h) {
547 const int16_t *const filter_x = filter[x0_q4];
548 const int16_t *const filter_y = filter[y0_q4];
549 int8_t cnt, filt_hor[8], filt_ver[8];
550
551 assert(x_step_q4 == 16);
552 assert(y_step_q4 == 16);
553 assert(((const int32_t *)filter_x)[1] != 0x800000);
554 assert(((const int32_t *)filter_y)[1] != 0x800000);
555
556 for (cnt = 0; cnt < 8; ++cnt) {
557 filt_hor[cnt] = filter_x[cnt];
558 filt_ver[cnt] = filter_y[cnt];
559 }
560
561 if (vpx_get_filter_taps(filter_x) == 2 &&
562 vpx_get_filter_taps(filter_y) == 2) {
563 switch (w) {
564 case 4:
565 common_hv_2ht_2vt_4w_msa(src, (int32_t)src_stride, dst,
566 (int32_t)dst_stride, &filt_hor[3],
567 &filt_ver[3], (int32_t)h);
568 break;
569 case 8:
570 common_hv_2ht_2vt_8w_msa(src, (int32_t)src_stride, dst,
571 (int32_t)dst_stride, &filt_hor[3],
572 &filt_ver[3], (int32_t)h);
573 break;
574 case 16:
575 common_hv_2ht_2vt_16w_msa(src, (int32_t)src_stride, dst,
576 (int32_t)dst_stride, &filt_hor[3],
577 &filt_ver[3], (int32_t)h);
578 break;
579 case 32:
580 common_hv_2ht_2vt_32w_msa(src, (int32_t)src_stride, dst,
581 (int32_t)dst_stride, &filt_hor[3],
582 &filt_ver[3], (int32_t)h);
583 break;
584 case 64:
585 common_hv_2ht_2vt_64w_msa(src, (int32_t)src_stride, dst,
586 (int32_t)dst_stride, &filt_hor[3],
587 &filt_ver[3], (int32_t)h);
588 break;
589 default:
590 vpx_convolve8_c(src, src_stride, dst, dst_stride, filter, x0_q4,
591 x_step_q4, y0_q4, y_step_q4, w, h);
592 break;
593 }
594 } else if (vpx_get_filter_taps(filter_x) == 2 ||
595 vpx_get_filter_taps(filter_y) == 2) {
596 vpx_convolve8_c(src, src_stride, dst, dst_stride, filter, x0_q4, x_step_q4,
597 y0_q4, y_step_q4, w, h);
598 } else {
599 switch (w) {
600 case 4:
601 common_hv_8ht_8vt_4w_msa(src, (int32_t)src_stride, dst,
602 (int32_t)dst_stride, filt_hor, filt_ver,
603 (int32_t)h);
604 break;
605 case 8:
606 common_hv_8ht_8vt_8w_msa(src, (int32_t)src_stride, dst,
607 (int32_t)dst_stride, filt_hor, filt_ver,
608 (int32_t)h);
609 break;
610 case 16:
611 common_hv_8ht_8vt_16w_msa(src, (int32_t)src_stride, dst,
612 (int32_t)dst_stride, filt_hor, filt_ver,
613 (int32_t)h);
614 break;
615 case 32:
616 common_hv_8ht_8vt_32w_msa(src, (int32_t)src_stride, dst,
617 (int32_t)dst_stride, filt_hor, filt_ver,
618 (int32_t)h);
619 break;
620 case 64:
621 common_hv_8ht_8vt_64w_msa(src, (int32_t)src_stride, dst,
622 (int32_t)dst_stride, filt_hor, filt_ver,
623 (int32_t)h);
624 break;
625 default:
626 vpx_convolve8_c(src, src_stride, dst, dst_stride, filter, x0_q4,
627 x_step_q4, y0_q4, y_step_q4, w, h);
628 break;
629 }
630 }
631 }
632
filter_horiz_w4_msa(const uint8_t * src_x,ptrdiff_t src_pitch,uint8_t * dst,const int16_t * x_filter)633 static void filter_horiz_w4_msa(const uint8_t *src_x, ptrdiff_t src_pitch,
634 uint8_t *dst, const int16_t *x_filter) {
635 uint64_t srcd0, srcd1, srcd2, srcd3;
636 uint32_t res;
637 v16u8 src0 = { 0 }, src1 = { 0 }, dst0;
638 v16i8 out0, out1;
639 v16i8 shf1 = { 0, 8, 16, 24, 4, 12, 20, 28, 1, 9, 17, 25, 5, 13, 21, 29 };
640 v16i8 shf2 = shf1 + 2;
641 v16i8 filt_shf0 = { 0, 1, 0, 1, 0, 1, 0, 1, 8, 9, 8, 9, 8, 9, 8, 9 };
642 v16i8 filt_shf1 = filt_shf0 + 2;
643 v16i8 filt_shf2 = filt_shf0 + 4;
644 v16i8 filt_shf3 = filt_shf0 + 6;
645 v8i16 filt, src0_h, src1_h, src2_h, src3_h, filt0, filt1, filt2, filt3;
646
647 LD4(src_x, src_pitch, srcd0, srcd1, srcd2, srcd3);
648 INSERT_D2_UB(srcd0, srcd1, src0);
649 INSERT_D2_UB(srcd2, srcd3, src1);
650 VSHF_B2_SB(src0, src1, src0, src1, shf1, shf2, out0, out1);
651 XORI_B2_128_SB(out0, out1);
652 UNPCK_SB_SH(out0, src0_h, src1_h);
653 UNPCK_SB_SH(out1, src2_h, src3_h);
654
655 filt = LD_SH(x_filter);
656 VSHF_B2_SH(filt, filt, filt, filt, filt_shf0, filt_shf1, filt0, filt1);
657 VSHF_B2_SH(filt, filt, filt, filt, filt_shf2, filt_shf3, filt2, filt3);
658
659 src0_h *= filt0;
660 src0_h += src1_h * filt1;
661 src0_h += src2_h * filt2;
662 src0_h += src3_h * filt3;
663
664 src1_h = (v8i16)__msa_sldi_b((v16i8)src0_h, (v16i8)src0_h, 8);
665
666 src0_h = __msa_adds_s_h(src0_h, src1_h);
667 src0_h = __msa_srari_h(src0_h, FILTER_BITS);
668 src0_h = __msa_sat_s_h(src0_h, 7);
669 dst0 = PCKEV_XORI128_UB(src0_h, src0_h);
670 res = __msa_copy_u_w((v4i32)dst0, 0);
671 SW(res, dst);
672 }
673
filter_horiz_w8_msa(const uint8_t * src_x,ptrdiff_t src_pitch,uint8_t * dst,const int16_t * x_filter)674 static void filter_horiz_w8_msa(const uint8_t *src_x, ptrdiff_t src_pitch,
675 uint8_t *dst, const int16_t *x_filter) {
676 uint64_t srcd0, srcd1, srcd2, srcd3;
677 v16u8 src0 = { 0 }, src1 = { 0 }, src2 = { 0 }, src3 = { 0 };
678 v16u8 tmp0, tmp1, tmp2, tmp3, dst0;
679 v16i8 out0, out1, out2, out3;
680 v16i8 shf1 = { 0, 8, 16, 24, 1, 9, 17, 25, 2, 10, 18, 26, 3, 11, 19, 27 };
681 v16i8 shf2 = shf1 + 4;
682 v8i16 filt, src0_h, src1_h, src2_h, src3_h, src4_h, src5_h, src6_h, src7_h;
683 v8i16 filt0, filt1, filt2, filt3, filt4, filt5, filt6, filt7;
684
685 LD4(src_x, src_pitch, srcd0, srcd1, srcd2, srcd3);
686 INSERT_D2_UB(srcd0, srcd1, src0);
687 INSERT_D2_UB(srcd2, srcd3, src1);
688 LD4(src_x + 4 * src_pitch, src_pitch, srcd0, srcd1, srcd2, srcd3);
689 INSERT_D2_UB(srcd0, srcd1, src2);
690 INSERT_D2_UB(srcd2, srcd3, src3);
691
692 filt = LD_SH(x_filter);
693 SPLATI_H4_SH(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
694 SPLATI_H4_SH(filt, 4, 5, 6, 7, filt4, filt5, filt6, filt7);
695
696 // transpose
697 VSHF_B2_UB(src0, src1, src0, src1, shf1, shf2, tmp0, tmp1);
698 VSHF_B2_UB(src2, src3, src2, src3, shf1, shf2, tmp2, tmp3);
699 ILVRL_W2_SB(tmp2, tmp0, out0, out1);
700 ILVRL_W2_SB(tmp3, tmp1, out2, out3);
701
702 XORI_B4_128_SB(out0, out1, out2, out3);
703 UNPCK_SB_SH(out0, src0_h, src1_h);
704 UNPCK_SB_SH(out1, src2_h, src3_h);
705 UNPCK_SB_SH(out2, src4_h, src5_h);
706 UNPCK_SB_SH(out3, src6_h, src7_h);
707
708 src0_h *= filt0;
709 src4_h *= filt4;
710 src0_h += src1_h * filt1;
711 src4_h += src5_h * filt5;
712 src0_h += src2_h * filt2;
713 src4_h += src6_h * filt6;
714 src0_h += src3_h * filt3;
715 src4_h += src7_h * filt7;
716
717 src0_h = __msa_adds_s_h(src0_h, src4_h);
718 src0_h = __msa_srari_h(src0_h, FILTER_BITS);
719 src0_h = __msa_sat_s_h(src0_h, 7);
720 dst0 = PCKEV_XORI128_UB(src0_h, src0_h);
721 ST8x1_UB(dst0, dst);
722 }
723
filter_horiz_w16_msa(const uint8_t * src_x,ptrdiff_t src_pitch,uint8_t * dst,const int16_t * x_filter)724 static void filter_horiz_w16_msa(const uint8_t *src_x, ptrdiff_t src_pitch,
725 uint8_t *dst, const int16_t *x_filter) {
726 uint64_t srcd0, srcd1, srcd2, srcd3;
727 v16u8 src0 = { 0 }, src1 = { 0 }, src2 = { 0 }, src3 = { 0 };
728 v16u8 src4 = { 0 }, src5 = { 0 }, src6 = { 0 }, src7 = { 0 };
729 v16u8 tmp0, tmp1, tmp2, tmp3, dst0;
730 v16i8 out0, out1, out2, out3, out4, out5, out6, out7;
731 v16i8 shf1 = { 0, 8, 16, 24, 1, 9, 17, 25, 2, 10, 18, 26, 3, 11, 19, 27 };
732 v16i8 shf2 = shf1 + 4;
733 v8i16 filt, src0_h, src1_h, src2_h, src3_h, src4_h, src5_h, src6_h, src7_h;
734 v8i16 filt0, filt1, filt2, filt3, filt4, filt5, filt6, filt7;
735 v8i16 dst0_h, dst1_h, dst2_h, dst3_h;
736
737 LD4(src_x, src_pitch, srcd0, srcd1, srcd2, srcd3);
738 INSERT_D2_UB(srcd0, srcd1, src0);
739 INSERT_D2_UB(srcd2, srcd3, src1);
740 LD4(src_x + 4 * src_pitch, src_pitch, srcd0, srcd1, srcd2, srcd3);
741 INSERT_D2_UB(srcd0, srcd1, src2);
742 INSERT_D2_UB(srcd2, srcd3, src3);
743 LD4(src_x + 8 * src_pitch, src_pitch, srcd0, srcd1, srcd2, srcd3);
744 INSERT_D2_UB(srcd0, srcd1, src4);
745 INSERT_D2_UB(srcd2, srcd3, src5);
746 LD4(src_x + 12 * src_pitch, src_pitch, srcd0, srcd1, srcd2, srcd3);
747 INSERT_D2_UB(srcd0, srcd1, src6);
748 INSERT_D2_UB(srcd2, srcd3, src7);
749
750 filt = LD_SH(x_filter);
751 SPLATI_H4_SH(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
752 SPLATI_H4_SH(filt, 4, 5, 6, 7, filt4, filt5, filt6, filt7);
753
754 // transpose
755 VSHF_B2_UB(src0, src1, src0, src1, shf1, shf2, tmp0, tmp1);
756 VSHF_B2_UB(src2, src3, src2, src3, shf1, shf2, tmp2, tmp3);
757 ILVRL_W2_SB(tmp2, tmp0, out0, out1);
758 ILVRL_W2_SB(tmp3, tmp1, out2, out3);
759 XORI_B4_128_SB(out0, out1, out2, out3);
760
761 UNPCK_SB_SH(out0, src0_h, src1_h);
762 UNPCK_SB_SH(out1, src2_h, src3_h);
763 UNPCK_SB_SH(out2, src4_h, src5_h);
764 UNPCK_SB_SH(out3, src6_h, src7_h);
765
766 VSHF_B2_UB(src4, src5, src4, src5, shf1, shf2, tmp0, tmp1);
767 VSHF_B2_UB(src6, src7, src6, src7, shf1, shf2, tmp2, tmp3);
768 ILVRL_W2_SB(tmp2, tmp0, out4, out5);
769 ILVRL_W2_SB(tmp3, tmp1, out6, out7);
770 XORI_B4_128_SB(out4, out5, out6, out7);
771
772 dst0_h = src0_h * filt0;
773 dst1_h = src4_h * filt4;
774 dst0_h += src1_h * filt1;
775 dst1_h += src5_h * filt5;
776 dst0_h += src2_h * filt2;
777 dst1_h += src6_h * filt6;
778 dst0_h += src3_h * filt3;
779 dst1_h += src7_h * filt7;
780
781 UNPCK_SB_SH(out4, src0_h, src1_h);
782 UNPCK_SB_SH(out5, src2_h, src3_h);
783 UNPCK_SB_SH(out6, src4_h, src5_h);
784 UNPCK_SB_SH(out7, src6_h, src7_h);
785
786 dst2_h = src0_h * filt0;
787 dst3_h = src4_h * filt4;
788 dst2_h += src1_h * filt1;
789 dst3_h += src5_h * filt5;
790 dst2_h += src2_h * filt2;
791 dst3_h += src6_h * filt6;
792 dst2_h += src3_h * filt3;
793 dst3_h += src7_h * filt7;
794
795 ADDS_SH2_SH(dst0_h, dst1_h, dst2_h, dst3_h, dst0_h, dst2_h);
796 SRARI_H2_SH(dst0_h, dst2_h, FILTER_BITS);
797 SAT_SH2_SH(dst0_h, dst2_h, 7);
798 dst0 = PCKEV_XORI128_UB(dst0_h, dst2_h);
799 ST_UB(dst0, dst);
800 }
801
transpose4x4_to_dst(const uint8_t * src,uint8_t * dst,ptrdiff_t dst_stride)802 static void transpose4x4_to_dst(const uint8_t *src, uint8_t *dst,
803 ptrdiff_t dst_stride) {
804 v16u8 in0;
805 v16i8 out0 = { 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15 };
806
807 in0 = LD_UB(src);
808 out0 = __msa_vshf_b(out0, (v16i8)in0, (v16i8)in0);
809 ST4x4_UB(out0, out0, 0, 1, 2, 3, dst, dst_stride);
810 }
811
transpose8x8_to_dst(const uint8_t * src,uint8_t * dst,ptrdiff_t dst_stride)812 static void transpose8x8_to_dst(const uint8_t *src, uint8_t *dst,
813 ptrdiff_t dst_stride) {
814 v16u8 in0, in1, in2, in3, out0, out1, out2, out3, tmp0, tmp1, tmp2, tmp3;
815 v16i8 shf1 = { 0, 8, 16, 24, 1, 9, 17, 25, 2, 10, 18, 26, 3, 11, 19, 27 };
816 v16i8 shf2 = shf1 + 4;
817
818 LD_UB4(src, 16, in0, in1, in2, in3);
819 VSHF_B2_UB(in0, in1, in0, in1, shf1, shf2, tmp0, tmp1);
820 VSHF_B2_UB(in2, in3, in2, in3, shf1, shf2, tmp2, tmp3);
821 ILVRL_W2_UB(tmp2, tmp0, out0, out1);
822 ILVRL_W2_UB(tmp3, tmp1, out2, out3);
823 ST8x4_UB(out0, out1, dst, dst_stride);
824 ST8x4_UB(out2, out3, dst + 4 * dst_stride, dst_stride);
825 }
826
transpose16x16_to_dst(const uint8_t * src,uint8_t * dst,ptrdiff_t dst_stride)827 static void transpose16x16_to_dst(const uint8_t *src, uint8_t *dst,
828 ptrdiff_t dst_stride) {
829 v16u8 in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10, in11, in12;
830 v16u8 in13, in14, in15, out0, out1, out2, out3, out4, out5, out6, out7, out8;
831 v16u8 out9, out10, out11, out12, out13, out14, out15;
832
833 LD_UB8(src, 16, in0, in1, in2, in3, in4, in5, in6, in7);
834 LD_UB8(src + 16 * 8, 16, in8, in9, in10, in11, in12, in13, in14, in15);
835
836 TRANSPOSE16x8_UB_UB(in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10,
837 in11, in12, in13, in14, in15, out0, out1, out2, out3,
838 out4, out5, out6, out7);
839 ST_UB8(out0, out1, out2, out3, out4, out5, out6, out7, dst, dst_stride);
840 dst += 8 * dst_stride;
841
842 SLDI_B4_0_UB(in0, in1, in2, in3, in0, in1, in2, in3, 8);
843 SLDI_B4_0_UB(in4, in5, in6, in7, in4, in5, in6, in7, 8);
844 SLDI_B4_0_UB(in8, in9, in10, in11, in8, in9, in10, in11, 8);
845 SLDI_B4_0_UB(in12, in13, in14, in15, in12, in13, in14, in15, 8);
846
847 TRANSPOSE16x8_UB_UB(in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10,
848 in11, in12, in13, in14, in15, out8, out9, out10, out11,
849 out12, out13, out14, out15);
850 ST_UB8(out8, out9, out10, out11, out12, out13, out14, out15, dst, dst_stride);
851 }
852
scaledconvolve_horiz_w4(const uint8_t * src,ptrdiff_t src_stride,uint8_t * dst,ptrdiff_t dst_stride,const InterpKernel * x_filters,int x0_q4,int x_step_q4,int h)853 static void scaledconvolve_horiz_w4(const uint8_t *src, ptrdiff_t src_stride,
854 uint8_t *dst, ptrdiff_t dst_stride,
855 const InterpKernel *x_filters, int x0_q4,
856 int x_step_q4, int h) {
857 DECLARE_ALIGNED(16, uint8_t, temp[4 * 4]);
858 int y, z, i;
859 src -= SUBPEL_TAPS / 2 - 1;
860
861 for (y = 0; y < h; y += 4) {
862 int x_q4 = x0_q4;
863 for (z = 0; z < 4; ++z) {
864 const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
865 const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
866
867 if (x_q4 & SUBPEL_MASK) {
868 filter_horiz_w4_msa(src_x, src_stride, temp + (z * 4), x_filter);
869 } else {
870 for (i = 0; i < 4; ++i) {
871 temp[z * 4 + i] = src_x[i * src_stride + 3];
872 }
873 }
874
875 x_q4 += x_step_q4;
876 }
877
878 transpose4x4_to_dst(temp, dst, dst_stride);
879
880 src += src_stride * 4;
881 dst += dst_stride * 4;
882 }
883 }
884
scaledconvolve_horiz_w8(const uint8_t * src,ptrdiff_t src_stride,uint8_t * dst,ptrdiff_t dst_stride,const InterpKernel * x_filters,int x0_q4,int x_step_q4,int h)885 static void scaledconvolve_horiz_w8(const uint8_t *src, ptrdiff_t src_stride,
886 uint8_t *dst, ptrdiff_t dst_stride,
887 const InterpKernel *x_filters, int x0_q4,
888 int x_step_q4, int h) {
889 DECLARE_ALIGNED(16, uint8_t, temp[8 * 8]);
890 int y, z, i;
891 src -= SUBPEL_TAPS / 2 - 1;
892
893 // This function processes 8x8 areas. The intermediate height is not always
894 // a multiple of 8, so force it to be a multiple of 8 here.
895 y = h + (8 - (h & 0x7));
896
897 do {
898 int x_q4 = x0_q4;
899 for (z = 0; z < 8; ++z) {
900 const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
901 const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
902
903 if (x_q4 & SUBPEL_MASK) {
904 filter_horiz_w8_msa(src_x, src_stride, temp + (z * 8), x_filter);
905 } else {
906 for (i = 0; i < 8; ++i) {
907 temp[z * 8 + i] = src_x[3 + i * src_stride];
908 }
909 }
910
911 x_q4 += x_step_q4;
912 }
913
914 transpose8x8_to_dst(temp, dst, dst_stride);
915
916 src += src_stride * 8;
917 dst += dst_stride * 8;
918 } while (y -= 8);
919 }
920
scaledconvolve_horiz_mul16(const uint8_t * src,ptrdiff_t src_stride,uint8_t * dst,ptrdiff_t dst_stride,const InterpKernel * x_filters,int x0_q4,int x_step_q4,int w,int h)921 static void scaledconvolve_horiz_mul16(const uint8_t *src, ptrdiff_t src_stride,
922 uint8_t *dst, ptrdiff_t dst_stride,
923 const InterpKernel *x_filters, int x0_q4,
924 int x_step_q4, int w, int h) {
925 DECLARE_ALIGNED(16, uint8_t, temp[16 * 16]);
926 int x, y, z, i;
927
928 src -= SUBPEL_TAPS / 2 - 1;
929
930 // This function processes 16x16 areas. The intermediate height is not always
931 // a multiple of 16, so force it to be a multiple of 8 here.
932 y = h + (16 - (h & 0xF));
933
934 do {
935 int x_q4 = x0_q4;
936 for (x = 0; x < w; x += 16) {
937 for (z = 0; z < 16; ++z) {
938 const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
939 const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
940
941 if (x_q4 & SUBPEL_MASK) {
942 filter_horiz_w16_msa(src_x, src_stride, temp + (z * 16), x_filter);
943 } else {
944 for (i = 0; i < 16; ++i) {
945 temp[z * 16 + i] = src_x[3 + i * src_stride];
946 }
947 }
948
949 x_q4 += x_step_q4;
950 }
951
952 transpose16x16_to_dst(temp, dst + x, dst_stride);
953 }
954
955 src += src_stride * 16;
956 dst += dst_stride * 16;
957 } while (y -= 16);
958 }
959
filter_vert_w4_msa(const uint8_t * src_y,ptrdiff_t src_pitch,uint8_t * dst,const int16_t * y_filter)960 static void filter_vert_w4_msa(const uint8_t *src_y, ptrdiff_t src_pitch,
961 uint8_t *dst, const int16_t *y_filter) {
962 uint32_t srcw0, srcw1, srcw2, srcw3, srcw4, srcw5, srcw6, srcw7;
963 uint32_t res;
964 v16u8 src0 = { 0 }, src1 = { 0 }, dst0;
965 v16i8 out0, out1;
966 v16i8 shf1 = { 0, 1, 2, 3, 16, 17, 18, 19, 4, 5, 6, 7, 20, 21, 22, 23 };
967 v16i8 shf2 = shf1 + 8;
968 v16i8 filt_shf0 = { 0, 1, 0, 1, 0, 1, 0, 1, 8, 9, 8, 9, 8, 9, 8, 9 };
969 v16i8 filt_shf1 = filt_shf0 + 2;
970 v16i8 filt_shf2 = filt_shf0 + 4;
971 v16i8 filt_shf3 = filt_shf0 + 6;
972 v8i16 filt, src0_h, src1_h, src2_h, src3_h;
973 v8i16 filt0, filt1, filt2, filt3;
974
975 LW4(src_y, src_pitch, srcw0, srcw1, srcw2, srcw3);
976 LW4(src_y + 4 * src_pitch, src_pitch, srcw4, srcw5, srcw6, srcw7);
977 INSERT_W4_UB(srcw0, srcw1, srcw2, srcw3, src0);
978 INSERT_W4_UB(srcw4, srcw5, srcw6, srcw7, src1);
979 VSHF_B2_SB(src0, src1, src0, src1, shf1, shf2, out0, out1);
980 XORI_B2_128_SB(out0, out1);
981 UNPCK_SB_SH(out0, src0_h, src1_h);
982 UNPCK_SB_SH(out1, src2_h, src3_h);
983
984 filt = LD_SH(y_filter);
985 VSHF_B2_SH(filt, filt, filt, filt, filt_shf0, filt_shf1, filt0, filt1);
986 VSHF_B2_SH(filt, filt, filt, filt, filt_shf2, filt_shf3, filt2, filt3);
987
988 src0_h *= filt0;
989 src0_h += src1_h * filt1;
990 src0_h += src2_h * filt2;
991 src0_h += src3_h * filt3;
992
993 src1_h = (v8i16)__msa_sldi_b((v16i8)src0_h, (v16i8)src0_h, 8);
994
995 src0_h = __msa_adds_s_h(src0_h, src1_h);
996 src0_h = __msa_srari_h(src0_h, FILTER_BITS);
997 src0_h = __msa_sat_s_h(src0_h, 7);
998 dst0 = PCKEV_XORI128_UB(src0_h, src0_h);
999 res = __msa_copy_u_w((v4i32)dst0, 0);
1000 SW(res, dst);
1001 }
1002
filter_vert_w8_msa(const uint8_t * src_y,ptrdiff_t src_pitch,uint8_t * dst,const int16_t * y_filter)1003 static void filter_vert_w8_msa(const uint8_t *src_y, ptrdiff_t src_pitch,
1004 uint8_t *dst, const int16_t *y_filter) {
1005 uint64_t srcd0, srcd1, srcd2, srcd3;
1006 v16u8 dst0;
1007 v16i8 src0 = { 0 }, src1 = { 0 }, src2 = { 0 }, src3 = { 0 };
1008 v8i16 filt, src0_h, src1_h, src2_h, src3_h, src4_h, src5_h, src6_h, src7_h;
1009 v8i16 filt0, filt1, filt2, filt3, filt4, filt5, filt6, filt7;
1010
1011 LD4(src_y, src_pitch, srcd0, srcd1, srcd2, srcd3);
1012 INSERT_D2_SB(srcd0, srcd1, src0);
1013 INSERT_D2_SB(srcd2, srcd3, src1);
1014 LD4(src_y + 4 * src_pitch, src_pitch, srcd0, srcd1, srcd2, srcd3);
1015 INSERT_D2_SB(srcd0, srcd1, src2);
1016 INSERT_D2_SB(srcd2, srcd3, src3);
1017
1018 filt = LD_SH(y_filter);
1019 SPLATI_H4_SH(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
1020 SPLATI_H4_SH(filt, 4, 5, 6, 7, filt4, filt5, filt6, filt7);
1021
1022 XORI_B4_128_SB(src0, src1, src2, src3);
1023 UNPCK_SB_SH(src0, src0_h, src1_h);
1024 UNPCK_SB_SH(src1, src2_h, src3_h);
1025 UNPCK_SB_SH(src2, src4_h, src5_h);
1026 UNPCK_SB_SH(src3, src6_h, src7_h);
1027
1028 src0_h *= filt0;
1029 src4_h *= filt4;
1030 src0_h += src1_h * filt1;
1031 src4_h += src5_h * filt5;
1032 src0_h += src2_h * filt2;
1033 src4_h += src6_h * filt6;
1034 src0_h += src3_h * filt3;
1035 src4_h += src7_h * filt7;
1036
1037 src0_h = __msa_adds_s_h(src0_h, src4_h);
1038 src0_h = __msa_srari_h(src0_h, FILTER_BITS);
1039 src0_h = __msa_sat_s_h(src0_h, 7);
1040 dst0 = PCKEV_XORI128_UB(src0_h, src0_h);
1041 ST8x1_UB(dst0, dst);
1042 }
1043
filter_vert_mul_w16_msa(const uint8_t * src_y,ptrdiff_t src_pitch,uint8_t * dst,const int16_t * y_filter,int w)1044 static void filter_vert_mul_w16_msa(const uint8_t *src_y, ptrdiff_t src_pitch,
1045 uint8_t *dst, const int16_t *y_filter,
1046 int w) {
1047 int x;
1048 v16u8 dst0;
1049 v16i8 src0, src1, src2, src3, src4, src5, src6, src7;
1050 v8i16 filt, src0_h, src1_h, src2_h, src3_h, src4_h, src5_h, src6_h, src7_h;
1051 v8i16 src8_h, src9_h, src10_h, src11_h, src12_h, src13_h, src14_h, src15_h;
1052 v8i16 filt0, filt1, filt2, filt3, filt4, filt5, filt6, filt7;
1053
1054 filt = LD_SH(y_filter);
1055 SPLATI_H4_SH(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
1056 SPLATI_H4_SH(filt, 4, 5, 6, 7, filt4, filt5, filt6, filt7);
1057
1058 for (x = 0; x < w; x += 16) {
1059 LD_SB8(src_y, src_pitch, src0, src1, src2, src3, src4, src5, src6, src7);
1060 src_y += 16;
1061
1062 XORI_B4_128_SB(src0, src1, src2, src3);
1063 XORI_B4_128_SB(src4, src5, src6, src7);
1064 UNPCK_SB_SH(src0, src0_h, src1_h);
1065 UNPCK_SB_SH(src1, src2_h, src3_h);
1066 UNPCK_SB_SH(src2, src4_h, src5_h);
1067 UNPCK_SB_SH(src3, src6_h, src7_h);
1068 UNPCK_SB_SH(src4, src8_h, src9_h);
1069 UNPCK_SB_SH(src5, src10_h, src11_h);
1070 UNPCK_SB_SH(src6, src12_h, src13_h);
1071 UNPCK_SB_SH(src7, src14_h, src15_h);
1072
1073 src0_h *= filt0;
1074 src1_h *= filt0;
1075 src8_h *= filt4;
1076 src9_h *= filt4;
1077 src0_h += src2_h * filt1;
1078 src1_h += src3_h * filt1;
1079 src8_h += src10_h * filt5;
1080 src9_h += src11_h * filt5;
1081 src0_h += src4_h * filt2;
1082 src1_h += src5_h * filt2;
1083 src8_h += src12_h * filt6;
1084 src9_h += src13_h * filt6;
1085 src0_h += src6_h * filt3;
1086 src1_h += src7_h * filt3;
1087 src8_h += src14_h * filt7;
1088 src9_h += src15_h * filt7;
1089
1090 ADDS_SH2_SH(src0_h, src8_h, src1_h, src9_h, src0_h, src1_h);
1091 SRARI_H2_SH(src0_h, src1_h, FILTER_BITS);
1092 SAT_SH2_SH(src0_h, src1_h, 7);
1093 dst0 = PCKEV_XORI128_UB(src0_h, src1_h);
1094 ST_UB(dst0, dst);
1095 dst += 16;
1096 }
1097 }
1098
scaledconvolve_vert_w4(const uint8_t * src,ptrdiff_t src_stride,uint8_t * dst,ptrdiff_t dst_stride,const InterpKernel * y_filters,int y0_q4,int y_step_q4,int h)1099 static void scaledconvolve_vert_w4(const uint8_t *src, ptrdiff_t src_stride,
1100 uint8_t *dst, ptrdiff_t dst_stride,
1101 const InterpKernel *y_filters, int y0_q4,
1102 int y_step_q4, int h) {
1103 int y;
1104 int y_q4 = y0_q4;
1105
1106 src -= src_stride * (SUBPEL_TAPS / 2 - 1);
1107
1108 for (y = 0; y < h; ++y) {
1109 const uint8_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
1110 const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
1111
1112 if (y_q4 & SUBPEL_MASK) {
1113 filter_vert_w4_msa(src_y, src_stride, &dst[y * dst_stride], y_filter);
1114 } else {
1115 uint32_t srcd = LW(src_y + 3 * src_stride);
1116 SW(srcd, dst + y * dst_stride);
1117 }
1118
1119 y_q4 += y_step_q4;
1120 }
1121 }
1122
scaledconvolve_vert_w8(const uint8_t * src,ptrdiff_t src_stride,uint8_t * dst,ptrdiff_t dst_stride,const InterpKernel * y_filters,int y0_q4,int y_step_q4,int h)1123 static void scaledconvolve_vert_w8(const uint8_t *src, ptrdiff_t src_stride,
1124 uint8_t *dst, ptrdiff_t dst_stride,
1125 const InterpKernel *y_filters, int y0_q4,
1126 int y_step_q4, int h) {
1127 int y;
1128 int y_q4 = y0_q4;
1129
1130 src -= src_stride * (SUBPEL_TAPS / 2 - 1);
1131
1132 for (y = 0; y < h; ++y) {
1133 const uint8_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
1134 const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
1135
1136 if (y_q4 & SUBPEL_MASK) {
1137 filter_vert_w8_msa(src_y, src_stride, &dst[y * dst_stride], y_filter);
1138 } else {
1139 uint64_t srcd = LD(src_y + 3 * src_stride);
1140 SD(srcd, dst + y * dst_stride);
1141 }
1142
1143 y_q4 += y_step_q4;
1144 }
1145 }
1146
scaledconvolve_vert_mul16(const uint8_t * src,ptrdiff_t src_stride,uint8_t * dst,ptrdiff_t dst_stride,const InterpKernel * y_filters,int y0_q4,int y_step_q4,int w,int h)1147 static void scaledconvolve_vert_mul16(const uint8_t *src, ptrdiff_t src_stride,
1148 uint8_t *dst, ptrdiff_t dst_stride,
1149 const InterpKernel *y_filters, int y0_q4,
1150 int y_step_q4, int w, int h) {
1151 int x, y;
1152 int y_q4 = y0_q4;
1153 src -= src_stride * (SUBPEL_TAPS / 2 - 1);
1154
1155 for (y = 0; y < h; ++y) {
1156 const uint8_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
1157 const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
1158
1159 if (y_q4 & SUBPEL_MASK) {
1160 filter_vert_mul_w16_msa(src_y, src_stride, &dst[y * dst_stride], y_filter,
1161 w);
1162 } else {
1163 for (x = 0; x < w; ++x) {
1164 dst[x + y * dst_stride] = src_y[x + 3 * src_stride];
1165 }
1166 }
1167
1168 y_q4 += y_step_q4;
1169 }
1170 }
1171
vpx_scaled_2d_msa(const uint8_t * src,ptrdiff_t src_stride,uint8_t * dst,ptrdiff_t dst_stride,const InterpKernel * filter,int x0_q4,int x_step_q4,int y0_q4,int y_step_q4,int w,int h)1172 void vpx_scaled_2d_msa(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
1173 ptrdiff_t dst_stride, const InterpKernel *filter,
1174 int x0_q4, int x_step_q4, int y0_q4, int y_step_q4,
1175 int w, int h) {
1176 // Note: Fixed size intermediate buffer, temp, places limits on parameters.
1177 // 2d filtering proceeds in 2 steps:
1178 // (1) Interpolate horizontally into an intermediate buffer, temp.
1179 // (2) Interpolate temp vertically to derive the sub-pixel result.
1180 // Deriving the maximum number of rows in the temp buffer (135):
1181 // --Smallest scaling factor is x1/2 ==> y_step_q4 = 32 (Normative).
1182 // --Largest block size is 64x64 pixels.
1183 // --64 rows in the downscaled frame span a distance of (64 - 1) * 32 in the
1184 // original frame (in 1/16th pixel units).
1185 // --Must round-up because block may be located at sub-pixel position.
1186 // --Require an additional SUBPEL_TAPS rows for the 8-tap filter tails.
1187 // --((64 - 1) * 32 + 15) >> 4 + 8 = 135.
1188 // --Require an additional 8 rows for the horiz_w8 transpose tail.
1189 DECLARE_ALIGNED(16, uint8_t, temp[(135 + 8) * 64]);
1190 const int intermediate_height =
1191 (((h - 1) * y_step_q4 + y0_q4) >> SUBPEL_BITS) + SUBPEL_TAPS;
1192
1193 assert(w <= 64);
1194 assert(h <= 64);
1195 assert(y_step_q4 <= 32 || (y_step_q4 <= 64 && h <= 32));
1196 assert(x_step_q4 <= 64);
1197
1198 if ((0 == x0_q4) && (16 == x_step_q4) && (0 == y0_q4) && (16 == y_step_q4)) {
1199 vpx_convolve_copy_msa(src, src_stride, dst, dst_stride, filter, x0_q4,
1200 x_step_q4, y0_q4, y_step_q4, w, h);
1201 } else {
1202 if (w >= 16) {
1203 scaledconvolve_horiz_mul16(src - src_stride * (SUBPEL_TAPS / 2 - 1),
1204 src_stride, temp, 64, filter, x0_q4, x_step_q4,
1205 w, intermediate_height);
1206 } else if (w == 8) {
1207 scaledconvolve_horiz_w8(src - src_stride * (SUBPEL_TAPS / 2 - 1),
1208 src_stride, temp, 64, filter, x0_q4, x_step_q4,
1209 intermediate_height);
1210 } else {
1211 scaledconvolve_horiz_w4(src - src_stride * (SUBPEL_TAPS / 2 - 1),
1212 src_stride, temp, 64, filter, x0_q4, x_step_q4,
1213 intermediate_height);
1214 }
1215
1216 if (w >= 16) {
1217 scaledconvolve_vert_mul16(temp + 64 * (SUBPEL_TAPS / 2 - 1), 64, dst,
1218 dst_stride, filter, y0_q4, y_step_q4, w, h);
1219 } else if (w == 8) {
1220 scaledconvolve_vert_w8(temp + 64 * (SUBPEL_TAPS / 2 - 1), 64, dst,
1221 dst_stride, filter, y0_q4, y_step_q4, h);
1222 } else {
1223 scaledconvolve_vert_w4(temp + 64 * (SUBPEL_TAPS / 2 - 1), 64, dst,
1224 dst_stride, filter, y0_q4, y_step_q4, h);
1225 }
1226 }
1227 }
1228