1 // Copyright 2014 Google Inc. All Rights Reserved.
2 //
3 // Use of this source code is governed by a BSD-style license
4 // that can be found in the COPYING file in the root of the source
5 // tree. An additional intellectual property rights grant can be found
6 // in the file PATENTS. All contributing project authors may
7 // be found in the AUTHORS file in the root of the source tree.
8 // -----------------------------------------------------------------------------
9 //
10 // MIPS version of speed-critical encoding functions.
11 //
12 // Author(s): Darko Laus (darko.laus@imgtec.com)
13 // Mirko Raus (mirko.raus@imgtec.com)
14
15 #include "./dsp.h"
16
17 #if defined(WEBP_USE_MIPS_DSP_R2)
18
19 #include "./mips_macro.h"
20 #include "../enc/cost_enc.h"
21 #include "../enc/vp8i_enc.h"
22
23 static const int kC1 = 20091 + (1 << 16);
24 static const int kC2 = 35468;
25
26 // O - output
27 // I - input (macro doesn't change it)
28 #define ADD_SUB_HALVES_X4(O0, O1, O2, O3, O4, O5, O6, O7, \
29 I0, I1, I2, I3, I4, I5, I6, I7) \
30 "addq.ph %[" #O0 "], %[" #I0 "], %[" #I1 "] \n\t" \
31 "subq.ph %[" #O1 "], %[" #I0 "], %[" #I1 "] \n\t" \
32 "addq.ph %[" #O2 "], %[" #I2 "], %[" #I3 "] \n\t" \
33 "subq.ph %[" #O3 "], %[" #I2 "], %[" #I3 "] \n\t" \
34 "addq.ph %[" #O4 "], %[" #I4 "], %[" #I5 "] \n\t" \
35 "subq.ph %[" #O5 "], %[" #I4 "], %[" #I5 "] \n\t" \
36 "addq.ph %[" #O6 "], %[" #I6 "], %[" #I7 "] \n\t" \
37 "subq.ph %[" #O7 "], %[" #I6 "], %[" #I7 "] \n\t"
38
39 // IO - input/output
40 #define ABS_X8(IO0, IO1, IO2, IO3, IO4, IO5, IO6, IO7) \
41 "absq_s.ph %[" #IO0 "], %[" #IO0 "] \n\t" \
42 "absq_s.ph %[" #IO1 "], %[" #IO1 "] \n\t" \
43 "absq_s.ph %[" #IO2 "], %[" #IO2 "] \n\t" \
44 "absq_s.ph %[" #IO3 "], %[" #IO3 "] \n\t" \
45 "absq_s.ph %[" #IO4 "], %[" #IO4 "] \n\t" \
46 "absq_s.ph %[" #IO5 "], %[" #IO5 "] \n\t" \
47 "absq_s.ph %[" #IO6 "], %[" #IO6 "] \n\t" \
48 "absq_s.ph %[" #IO7 "], %[" #IO7 "] \n\t"
49
50 // dpa.w.ph $ac0 temp0 ,temp1
51 // $ac += temp0[31..16] * temp1[31..16] + temp0[15..0] * temp1[15..0]
52 // dpax.w.ph $ac0 temp0 ,temp1
53 // $ac += temp0[31..16] * temp1[15..0] + temp0[15..0] * temp1[31..16]
54 // O - output
55 // I - input (macro doesn't change it)
56 #define MUL_HALF(O0, I0, I1, I2, I3, I4, I5, I6, I7, \
57 I8, I9, I10, I11, I12, I13, I14, I15) \
58 "mult $ac0, $zero, $zero \n\t" \
59 "dpa.w.ph $ac0, %[" #I2 "], %[" #I0 "] \n\t" \
60 "dpax.w.ph $ac0, %[" #I5 "], %[" #I6 "] \n\t" \
61 "dpa.w.ph $ac0, %[" #I8 "], %[" #I9 "] \n\t" \
62 "dpax.w.ph $ac0, %[" #I11 "], %[" #I4 "] \n\t" \
63 "dpa.w.ph $ac0, %[" #I12 "], %[" #I7 "] \n\t" \
64 "dpax.w.ph $ac0, %[" #I13 "], %[" #I1 "] \n\t" \
65 "dpa.w.ph $ac0, %[" #I14 "], %[" #I3 "] \n\t" \
66 "dpax.w.ph $ac0, %[" #I15 "], %[" #I10 "] \n\t" \
67 "mflo %[" #O0 "], $ac0 \n\t"
68
69 #define OUTPUT_EARLY_CLOBBER_REGS_17() \
70 OUTPUT_EARLY_CLOBBER_REGS_10(), \
71 [temp11]"=&r"(temp11), [temp12]"=&r"(temp12), [temp13]"=&r"(temp13), \
72 [temp14]"=&r"(temp14), [temp15]"=&r"(temp15), [temp16]"=&r"(temp16), \
73 [temp17]"=&r"(temp17)
74
75 // macro for one horizontal pass in FTransform
76 // temp0..temp15 holds tmp[0]..tmp[15]
77 // A - offset in bytes to load from src and ref buffers
78 // TEMP0..TEMP3 - registers for corresponding tmp elements
79 #define HORIZONTAL_PASS(A, TEMP0, TEMP1, TEMP2, TEMP3) \
80 "lw %[" #TEMP0 "], 0(%[args]) \n\t" \
81 "lw %[" #TEMP1 "], 4(%[args]) \n\t" \
82 "lw %[" #TEMP2 "], " XSTR(BPS) "*" #A "(%[" #TEMP0 "]) \n\t" \
83 "lw %[" #TEMP3 "], " XSTR(BPS) "*" #A "(%[" #TEMP1 "]) \n\t" \
84 "preceu.ph.qbl %[" #TEMP0 "], %[" #TEMP2 "] \n\t" \
85 "preceu.ph.qbl %[" #TEMP1 "], %[" #TEMP3 "] \n\t" \
86 "preceu.ph.qbr %[" #TEMP2 "], %[" #TEMP2 "] \n\t" \
87 "preceu.ph.qbr %[" #TEMP3 "], %[" #TEMP3 "] \n\t" \
88 "subq.ph %[" #TEMP0 "], %[" #TEMP0 "], %[" #TEMP1 "] \n\t" \
89 "subq.ph %[" #TEMP2 "], %[" #TEMP2 "], %[" #TEMP3 "] \n\t" \
90 "rotr %[" #TEMP0 "], %[" #TEMP0 "], 16 \n\t" \
91 "addq.ph %[" #TEMP1 "], %[" #TEMP2 "], %[" #TEMP0 "] \n\t" \
92 "subq.ph %[" #TEMP3 "], %[" #TEMP2 "], %[" #TEMP0 "] \n\t" \
93 "seh %[" #TEMP0 "], %[" #TEMP1 "] \n\t" \
94 "sra %[temp16], %[" #TEMP1 "], 16 \n\t" \
95 "seh %[temp19], %[" #TEMP3 "] \n\t" \
96 "sra %[" #TEMP3 "], %[" #TEMP3 "], 16 \n\t" \
97 "subu %[" #TEMP2 "], %[" #TEMP0 "], %[temp16] \n\t" \
98 "addu %[" #TEMP0 "], %[" #TEMP0 "], %[temp16] \n\t" \
99 "mul %[temp17], %[temp19], %[c2217] \n\t" \
100 "mul %[temp18], %[" #TEMP3 "], %[c5352] \n\t" \
101 "mul %[" #TEMP1 "], %[temp19], %[c5352] \n\t" \
102 "mul %[temp16], %[" #TEMP3 "], %[c2217] \n\t" \
103 "sll %[" #TEMP2 "], %[" #TEMP2 "], 3 \n\t" \
104 "sll %[" #TEMP0 "], %[" #TEMP0 "], 3 \n\t" \
105 "subu %[" #TEMP3 "], %[temp17], %[temp18] \n\t" \
106 "addu %[" #TEMP1 "], %[temp16], %[" #TEMP1 "] \n\t" \
107 "addiu %[" #TEMP3 "], %[" #TEMP3 "], 937 \n\t" \
108 "addiu %[" #TEMP1 "], %[" #TEMP1 "], 1812 \n\t" \
109 "sra %[" #TEMP3 "], %[" #TEMP3 "], 9 \n\t" \
110 "sra %[" #TEMP1 "], %[" #TEMP1 "], 9 \n\t"
111
112 // macro for one vertical pass in FTransform
113 // temp0..temp15 holds tmp[0]..tmp[15]
114 // A..D - offsets in bytes to store to out buffer
115 // TEMP0, TEMP4, TEMP8 and TEMP12 - registers for corresponding tmp elements
116 #define VERTICAL_PASS(A, B, C, D, TEMP0, TEMP4, TEMP8, TEMP12) \
117 "addu %[temp16], %[" #TEMP0 "], %[" #TEMP12 "] \n\t" \
118 "subu %[temp19], %[" #TEMP0 "], %[" #TEMP12 "] \n\t" \
119 "addu %[temp17], %[" #TEMP4 "], %[" #TEMP8 "] \n\t" \
120 "subu %[temp18], %[" #TEMP4 "], %[" #TEMP8 "] \n\t" \
121 "mul %[" #TEMP8 "], %[temp19], %[c2217] \n\t" \
122 "mul %[" #TEMP12 "], %[temp18], %[c2217] \n\t" \
123 "mul %[" #TEMP4 "], %[temp19], %[c5352] \n\t" \
124 "mul %[temp18], %[temp18], %[c5352] \n\t" \
125 "addiu %[temp16], %[temp16], 7 \n\t" \
126 "addu %[" #TEMP0 "], %[temp16], %[temp17] \n\t" \
127 "sra %[" #TEMP0 "], %[" #TEMP0 "], 4 \n\t" \
128 "addu %[" #TEMP12 "], %[" #TEMP12 "], %[" #TEMP4 "] \n\t" \
129 "subu %[" #TEMP4 "], %[temp16], %[temp17] \n\t" \
130 "sra %[" #TEMP4 "], %[" #TEMP4 "], 4 \n\t" \
131 "addiu %[" #TEMP8 "], %[" #TEMP8 "], 30000 \n\t" \
132 "addiu %[" #TEMP12 "], %[" #TEMP12 "], 12000 \n\t" \
133 "addiu %[" #TEMP8 "], %[" #TEMP8 "], 21000 \n\t" \
134 "subu %[" #TEMP8 "], %[" #TEMP8 "], %[temp18] \n\t" \
135 "sra %[" #TEMP12 "], %[" #TEMP12 "], 16 \n\t" \
136 "sra %[" #TEMP8 "], %[" #TEMP8 "], 16 \n\t" \
137 "addiu %[temp16], %[" #TEMP12 "], 1 \n\t" \
138 "movn %[" #TEMP12 "], %[temp16], %[temp19] \n\t" \
139 "sh %[" #TEMP0 "], " #A "(%[temp20]) \n\t" \
140 "sh %[" #TEMP4 "], " #C "(%[temp20]) \n\t" \
141 "sh %[" #TEMP8 "], " #D "(%[temp20]) \n\t" \
142 "sh %[" #TEMP12 "], " #B "(%[temp20]) \n\t"
143
FTransform(const uint8_t * src,const uint8_t * ref,int16_t * out)144 static void FTransform(const uint8_t* src, const uint8_t* ref, int16_t* out) {
145 const int c2217 = 2217;
146 const int c5352 = 5352;
147 int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8;
148 int temp9, temp10, temp11, temp12, temp13, temp14, temp15, temp16;
149 int temp17, temp18, temp19, temp20;
150 const int* const args[3] =
151 { (const int*)src, (const int*)ref, (const int*)out };
152
153 __asm__ volatile (
154 HORIZONTAL_PASS(0, temp0, temp1, temp2, temp3)
155 HORIZONTAL_PASS(1, temp4, temp5, temp6, temp7)
156 HORIZONTAL_PASS(2, temp8, temp9, temp10, temp11)
157 HORIZONTAL_PASS(3, temp12, temp13, temp14, temp15)
158 "lw %[temp20], 8(%[args]) \n\t"
159 VERTICAL_PASS(0, 8, 16, 24, temp0, temp4, temp8, temp12)
160 VERTICAL_PASS(2, 10, 18, 26, temp1, temp5, temp9, temp13)
161 VERTICAL_PASS(4, 12, 20, 28, temp2, temp6, temp10, temp14)
162 VERTICAL_PASS(6, 14, 22, 30, temp3, temp7, temp11, temp15)
163 OUTPUT_EARLY_CLOBBER_REGS_18(),
164 [temp0]"=&r"(temp0), [temp19]"=&r"(temp19), [temp20]"=&r"(temp20)
165 : [args]"r"(args), [c2217]"r"(c2217), [c5352]"r"(c5352)
166 : "memory", "hi", "lo"
167 );
168 }
169
170 #undef VERTICAL_PASS
171 #undef HORIZONTAL_PASS
172
ITransformOne(const uint8_t * ref,const int16_t * in,uint8_t * dst)173 static WEBP_INLINE void ITransformOne(const uint8_t* ref, const int16_t* in,
174 uint8_t* dst) {
175 int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9;
176 int temp10, temp11, temp12, temp13, temp14, temp15, temp16, temp17, temp18;
177
178 __asm__ volatile (
179 "ulw %[temp1], 0(%[in]) \n\t"
180 "ulw %[temp2], 16(%[in]) \n\t"
181 LOAD_IN_X2(temp5, temp6, 24, 26)
182 ADD_SUB_HALVES(temp3, temp4, temp1, temp2)
183 LOAD_IN_X2(temp1, temp2, 8, 10)
184 MUL_SHIFT_SUM(temp7, temp8, temp9, temp10, temp11, temp12, temp13, temp14,
185 temp10, temp8, temp9, temp7, temp1, temp2, temp5, temp6,
186 temp13, temp11, temp14, temp12)
187 INSERT_HALF_X2(temp8, temp7, temp10, temp9)
188 "ulw %[temp17], 4(%[in]) \n\t"
189 "ulw %[temp18], 20(%[in]) \n\t"
190 ADD_SUB_HALVES(temp1, temp2, temp3, temp8)
191 ADD_SUB_HALVES(temp5, temp6, temp4, temp7)
192 ADD_SUB_HALVES(temp7, temp8, temp17, temp18)
193 LOAD_IN_X2(temp17, temp18, 12, 14)
194 LOAD_IN_X2(temp9, temp10, 28, 30)
195 MUL_SHIFT_SUM(temp11, temp12, temp13, temp14, temp15, temp16, temp4, temp17,
196 temp12, temp14, temp11, temp13, temp17, temp18, temp9, temp10,
197 temp15, temp4, temp16, temp17)
198 INSERT_HALF_X2(temp11, temp12, temp13, temp14)
199 ADD_SUB_HALVES(temp17, temp8, temp8, temp11)
200 ADD_SUB_HALVES(temp3, temp4, temp7, temp12)
201
202 // horizontal
203 SRA_16(temp9, temp10, temp11, temp12, temp1, temp2, temp5, temp6)
204 INSERT_HALF_X2(temp1, temp6, temp5, temp2)
205 SRA_16(temp13, temp14, temp15, temp16, temp3, temp4, temp17, temp8)
206 "repl.ph %[temp2], 0x4 \n\t"
207 INSERT_HALF_X2(temp3, temp8, temp17, temp4)
208 "addq.ph %[temp1], %[temp1], %[temp2] \n\t"
209 "addq.ph %[temp6], %[temp6], %[temp2] \n\t"
210 ADD_SUB_HALVES(temp2, temp4, temp1, temp3)
211 ADD_SUB_HALVES(temp5, temp7, temp6, temp8)
212 MUL_SHIFT_SUM(temp1, temp3, temp6, temp8, temp9, temp13, temp17, temp18,
213 temp3, temp13, temp1, temp9, temp9, temp13, temp11, temp15,
214 temp6, temp17, temp8, temp18)
215 MUL_SHIFT_SUM(temp6, temp8, temp18, temp17, temp11, temp15, temp12, temp16,
216 temp8, temp15, temp6, temp11, temp12, temp16, temp10, temp14,
217 temp18, temp12, temp17, temp16)
218 INSERT_HALF_X2(temp1, temp3, temp9, temp13)
219 INSERT_HALF_X2(temp6, temp8, temp11, temp15)
220 SHIFT_R_SUM_X2(temp9, temp10, temp11, temp12, temp13, temp14, temp15,
221 temp16, temp2, temp4, temp5, temp7, temp3, temp1, temp8,
222 temp6)
223 PACK_2_HALVES_TO_WORD(temp1, temp2, temp3, temp4, temp9, temp12, temp13,
224 temp16, temp11, temp10, temp15, temp14)
225 LOAD_WITH_OFFSET_X4(temp10, temp11, temp14, temp15, ref,
226 0, 0, 0, 0,
227 0, 1, 2, 3,
228 BPS)
229 CONVERT_2_BYTES_TO_HALF(temp5, temp6, temp7, temp8, temp17, temp18, temp10,
230 temp11, temp10, temp11, temp14, temp15)
231 STORE_SAT_SUM_X2(temp5, temp6, temp7, temp8, temp17, temp18, temp10, temp11,
232 temp9, temp12, temp1, temp2, temp13, temp16, temp3, temp4,
233 dst, 0, 1, 2, 3, BPS)
234
235 OUTPUT_EARLY_CLOBBER_REGS_18()
236 : [dst]"r"(dst), [in]"r"(in), [kC1]"r"(kC1), [kC2]"r"(kC2), [ref]"r"(ref)
237 : "memory", "hi", "lo"
238 );
239 }
240
ITransform(const uint8_t * ref,const int16_t * in,uint8_t * dst,int do_two)241 static void ITransform(const uint8_t* ref, const int16_t* in, uint8_t* dst,
242 int do_two) {
243 ITransformOne(ref, in, dst);
244 if (do_two) {
245 ITransformOne(ref + 4, in + 16, dst + 4);
246 }
247 }
248
Disto4x4(const uint8_t * const a,const uint8_t * const b,const uint16_t * const w)249 static int Disto4x4(const uint8_t* const a, const uint8_t* const b,
250 const uint16_t* const w) {
251 int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9;
252 int temp10, temp11, temp12, temp13, temp14, temp15, temp16, temp17;
253
254 __asm__ volatile (
255 LOAD_WITH_OFFSET_X4(temp1, temp2, temp3, temp4, a,
256 0, 0, 0, 0,
257 0, 1, 2, 3,
258 BPS)
259 CONVERT_2_BYTES_TO_HALF(temp5, temp6, temp7, temp8, temp9,temp10, temp11,
260 temp12, temp1, temp2, temp3, temp4)
261 ADD_SUB_HALVES_X4(temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8,
262 temp5, temp6, temp7, temp8, temp9, temp10, temp11, temp12)
263 PACK_2_HALVES_TO_WORD(temp9, temp10, temp11, temp12, temp1, temp3, temp5,
264 temp7, temp2, temp4, temp6, temp8)
265 ADD_SUB_HALVES_X4(temp2, temp4, temp6, temp8, temp9, temp1, temp3, temp10,
266 temp1, temp9, temp3, temp10, temp5, temp11, temp7, temp12)
267 ADD_SUB_HALVES_X4(temp5, temp11, temp7, temp2, temp9, temp3, temp6, temp12,
268 temp2, temp9, temp6, temp3, temp4, temp1, temp8, temp10)
269 ADD_SUB_HALVES_X4(temp1, temp4, temp10, temp8, temp7, temp11, temp5, temp2,
270 temp5, temp7, temp11, temp2, temp9, temp6, temp3, temp12)
271 ABS_X8(temp1, temp4, temp10, temp8, temp7, temp11, temp5, temp2)
272 LOAD_WITH_OFFSET_X4(temp3, temp6, temp9, temp12, w,
273 0, 4, 8, 12,
274 0, 0, 0, 0,
275 0)
276 LOAD_WITH_OFFSET_X4(temp13, temp14, temp15, temp16, w,
277 0, 4, 8, 12,
278 1, 1, 1, 1,
279 16)
280 MUL_HALF(temp17, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8,
281 temp9, temp10, temp11, temp12, temp13, temp14, temp15, temp16)
282 LOAD_WITH_OFFSET_X4(temp1, temp2, temp3, temp4, b,
283 0, 0, 0, 0,
284 0, 1, 2, 3,
285 BPS)
286 CONVERT_2_BYTES_TO_HALF(temp5,temp6, temp7, temp8, temp9,temp10, temp11,
287 temp12, temp1, temp2, temp3, temp4)
288 ADD_SUB_HALVES_X4(temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8,
289 temp5, temp6, temp7, temp8, temp9, temp10, temp11, temp12)
290 PACK_2_HALVES_TO_WORD(temp9, temp10, temp11, temp12, temp1, temp3, temp5,
291 temp7, temp2, temp4, temp6, temp8)
292 ADD_SUB_HALVES_X4(temp2, temp4, temp6, temp8, temp9, temp1, temp3, temp10,
293 temp1, temp9, temp3, temp10, temp5, temp11, temp7, temp12)
294 ADD_SUB_HALVES_X4(temp5, temp11, temp7, temp2, temp9, temp3, temp6, temp12,
295 temp2, temp9, temp6, temp3, temp4, temp1, temp8, temp10)
296 ADD_SUB_HALVES_X4(temp1, temp4, temp10, temp8, temp7, temp11, temp5, temp2,
297 temp5, temp7, temp11, temp2, temp9, temp6, temp3, temp12)
298 ABS_X8(temp1, temp4, temp10, temp8, temp7, temp11, temp5, temp2)
299 LOAD_WITH_OFFSET_X4(temp3, temp6, temp9, temp12, w,
300 0, 4, 8, 12,
301 0, 0, 0, 0,
302 0)
303 LOAD_WITH_OFFSET_X4(temp13, temp14, temp15, temp16, w,
304 0, 4, 8, 12,
305 1, 1, 1, 1,
306 16)
307 MUL_HALF(temp3, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8,
308 temp9, temp10, temp11, temp12, temp13, temp14, temp15, temp16)
309 OUTPUT_EARLY_CLOBBER_REGS_17()
310 : [a]"r"(a), [b]"r"(b), [w]"r"(w)
311 : "memory", "hi", "lo"
312 );
313 return abs(temp3 - temp17) >> 5;
314 }
315
Disto16x16(const uint8_t * const a,const uint8_t * const b,const uint16_t * const w)316 static int Disto16x16(const uint8_t* const a, const uint8_t* const b,
317 const uint16_t* const w) {
318 int D = 0;
319 int x, y;
320 for (y = 0; y < 16 * BPS; y += 4 * BPS) {
321 for (x = 0; x < 16; x += 4) {
322 D += Disto4x4(a + x + y, b + x + y, w);
323 }
324 }
325 return D;
326 }
327
328 //------------------------------------------------------------------------------
329 // Intra predictions
330
331 #define FILL_PART(J, SIZE) \
332 "usw %[value], 0+" #J "*" XSTR(BPS) "(%[dst]) \n\t" \
333 "usw %[value], 4+" #J "*" XSTR(BPS) "(%[dst]) \n\t" \
334 ".if " #SIZE " == 16 \n\t" \
335 "usw %[value], 8+" #J "*" XSTR(BPS) "(%[dst]) \n\t" \
336 "usw %[value], 12+" #J "*" XSTR(BPS) "(%[dst]) \n\t" \
337 ".endif \n\t"
338
339 #define FILL_8_OR_16(DST, VALUE, SIZE) do { \
340 int value = (VALUE); \
341 __asm__ volatile ( \
342 "replv.qb %[value], %[value] \n\t" \
343 FILL_PART( 0, SIZE) \
344 FILL_PART( 1, SIZE) \
345 FILL_PART( 2, SIZE) \
346 FILL_PART( 3, SIZE) \
347 FILL_PART( 4, SIZE) \
348 FILL_PART( 5, SIZE) \
349 FILL_PART( 6, SIZE) \
350 FILL_PART( 7, SIZE) \
351 ".if " #SIZE " == 16 \n\t" \
352 FILL_PART( 8, 16) \
353 FILL_PART( 9, 16) \
354 FILL_PART(10, 16) \
355 FILL_PART(11, 16) \
356 FILL_PART(12, 16) \
357 FILL_PART(13, 16) \
358 FILL_PART(14, 16) \
359 FILL_PART(15, 16) \
360 ".endif \n\t" \
361 : [value]"+&r"(value) \
362 : [dst]"r"((DST)) \
363 : "memory" \
364 ); \
365 } while (0)
366
367 #define VERTICAL_PRED(DST, TOP, SIZE) \
368 static WEBP_INLINE void VerticalPred##SIZE(uint8_t* (DST), \
369 const uint8_t* (TOP)) { \
370 int j; \
371 if ((TOP)) { \
372 for (j = 0; j < (SIZE); ++j) memcpy((DST) + j * BPS, (TOP), (SIZE)); \
373 } else { \
374 FILL_8_OR_16((DST), 127, (SIZE)); \
375 } \
376 }
377
378 VERTICAL_PRED(dst, top, 8)
379 VERTICAL_PRED(dst, top, 16)
380
381 #undef VERTICAL_PRED
382
383 #define HORIZONTAL_PRED(DST, LEFT, SIZE) \
384 static WEBP_INLINE void HorizontalPred##SIZE(uint8_t* (DST), \
385 const uint8_t* (LEFT)) { \
386 if (LEFT) { \
387 int j; \
388 for (j = 0; j < (SIZE); ++j) { \
389 memset((DST) + j * BPS, (LEFT)[j], (SIZE)); \
390 } \
391 } else { \
392 FILL_8_OR_16((DST), 129, (SIZE)); \
393 } \
394 }
395
396 HORIZONTAL_PRED(dst, left, 8)
397 HORIZONTAL_PRED(dst, left, 16)
398
399 #undef HORIZONTAL_PRED
400
401 #define CLIPPING() \
402 "preceu.ph.qbl %[temp2], %[temp0] \n\t" \
403 "preceu.ph.qbr %[temp0], %[temp0] \n\t" \
404 "preceu.ph.qbl %[temp3], %[temp1] \n\t" \
405 "preceu.ph.qbr %[temp1], %[temp1] \n\t" \
406 "addu.ph %[temp2], %[temp2], %[leftY_1] \n\t" \
407 "addu.ph %[temp0], %[temp0], %[leftY_1] \n\t" \
408 "addu.ph %[temp3], %[temp3], %[leftY_1] \n\t" \
409 "addu.ph %[temp1], %[temp1], %[leftY_1] \n\t" \
410 "shll_s.ph %[temp2], %[temp2], 7 \n\t" \
411 "shll_s.ph %[temp0], %[temp0], 7 \n\t" \
412 "shll_s.ph %[temp3], %[temp3], 7 \n\t" \
413 "shll_s.ph %[temp1], %[temp1], 7 \n\t" \
414 "precrqu_s.qb.ph %[temp0], %[temp2], %[temp0] \n\t" \
415 "precrqu_s.qb.ph %[temp1], %[temp3], %[temp1] \n\t"
416
417 #define CLIP_8B_TO_DST(DST, LEFT, TOP, SIZE) do { \
418 int leftY_1 = ((int)(LEFT)[y] << 16) + (LEFT)[y]; \
419 int temp0, temp1, temp2, temp3; \
420 __asm__ volatile ( \
421 "replv.ph %[leftY_1], %[leftY_1] \n\t" \
422 "ulw %[temp0], 0(%[top]) \n\t" \
423 "ulw %[temp1], 4(%[top]) \n\t" \
424 "subu.ph %[leftY_1], %[leftY_1], %[left_1] \n\t" \
425 CLIPPING() \
426 "usw %[temp0], 0(%[dst]) \n\t" \
427 "usw %[temp1], 4(%[dst]) \n\t" \
428 ".if " #SIZE " == 16 \n\t" \
429 "ulw %[temp0], 8(%[top]) \n\t" \
430 "ulw %[temp1], 12(%[top]) \n\t" \
431 CLIPPING() \
432 "usw %[temp0], 8(%[dst]) \n\t" \
433 "usw %[temp1], 12(%[dst]) \n\t" \
434 ".endif \n\t" \
435 : [leftY_1]"+&r"(leftY_1), [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), \
436 [temp2]"=&r"(temp2), [temp3]"=&r"(temp3) \
437 : [left_1]"r"(left_1), [top]"r"((TOP)), [dst]"r"((DST)) \
438 : "memory" \
439 ); \
440 } while (0)
441
442 #define CLIP_TO_DST(DST, LEFT, TOP, SIZE) do { \
443 int y; \
444 const int left_1 = ((int)(LEFT)[-1] << 16) + (LEFT)[-1]; \
445 for (y = 0; y < (SIZE); ++y) { \
446 CLIP_8B_TO_DST((DST), (LEFT), (TOP), (SIZE)); \
447 (DST) += BPS; \
448 } \
449 } while (0)
450
451 #define TRUE_MOTION(DST, LEFT, TOP, SIZE) \
452 static WEBP_INLINE void TrueMotion##SIZE(uint8_t* (DST), const uint8_t* (LEFT),\
453 const uint8_t* (TOP)) { \
454 if ((LEFT) != NULL) { \
455 if ((TOP) != NULL) { \
456 CLIP_TO_DST((DST), (LEFT), (TOP), (SIZE)); \
457 } else { \
458 HorizontalPred##SIZE((DST), (LEFT)); \
459 } \
460 } else { \
461 /* true motion without left samples (hence: with default 129 value) */ \
462 /* is equivalent to VE prediction where you just copy the top samples. */ \
463 /* Note that if top samples are not available, the default value is */ \
464 /* then 129, and not 127 as in the VerticalPred case. */ \
465 if ((TOP) != NULL) { \
466 VerticalPred##SIZE((DST), (TOP)); \
467 } else { \
468 FILL_8_OR_16((DST), 129, (SIZE)); \
469 } \
470 } \
471 }
472
473 TRUE_MOTION(dst, left, top, 8)
474 TRUE_MOTION(dst, left, top, 16)
475
476 #undef TRUE_MOTION
477 #undef CLIP_TO_DST
478 #undef CLIP_8B_TO_DST
479 #undef CLIPPING
480
DCMode16(uint8_t * dst,const uint8_t * left,const uint8_t * top)481 static WEBP_INLINE void DCMode16(uint8_t* dst, const uint8_t* left,
482 const uint8_t* top) {
483 int DC, DC1;
484 int temp0, temp1, temp2, temp3;
485
486 __asm__ volatile(
487 "beqz %[top], 2f \n\t"
488 LOAD_WITH_OFFSET_X4(temp0, temp1, temp2, temp3, top,
489 0, 4, 8, 12,
490 0, 0, 0, 0,
491 0)
492 "raddu.w.qb %[temp0], %[temp0] \n\t"
493 "raddu.w.qb %[temp1], %[temp1] \n\t"
494 "raddu.w.qb %[temp2], %[temp2] \n\t"
495 "raddu.w.qb %[temp3], %[temp3] \n\t"
496 "addu %[temp0], %[temp0], %[temp1] \n\t"
497 "addu %[temp2], %[temp2], %[temp3] \n\t"
498 "addu %[DC], %[temp0], %[temp2] \n\t"
499 "move %[DC1], %[DC] \n\t"
500 "beqz %[left], 1f \n\t"
501 LOAD_WITH_OFFSET_X4(temp0, temp1, temp2, temp3, left,
502 0, 4, 8, 12,
503 0, 0, 0, 0,
504 0)
505 "raddu.w.qb %[temp0], %[temp0] \n\t"
506 "raddu.w.qb %[temp1], %[temp1] \n\t"
507 "raddu.w.qb %[temp2], %[temp2] \n\t"
508 "raddu.w.qb %[temp3], %[temp3] \n\t"
509 "addu %[temp0], %[temp0], %[temp1] \n\t"
510 "addu %[temp2], %[temp2], %[temp3] \n\t"
511 "addu %[DC1], %[temp0], %[temp2] \n\t"
512 "1: \n\t"
513 "addu %[DC], %[DC], %[DC1] \n\t"
514 "j 3f \n\t"
515 "2: \n\t"
516 "beqz %[left], 4f \n\t"
517 LOAD_WITH_OFFSET_X4(temp0, temp1, temp2, temp3, left,
518 0, 4, 8, 12,
519 0, 0, 0, 0,
520 0)
521 "raddu.w.qb %[temp0], %[temp0] \n\t"
522 "raddu.w.qb %[temp1], %[temp1] \n\t"
523 "raddu.w.qb %[temp2], %[temp2] \n\t"
524 "raddu.w.qb %[temp3], %[temp3] \n\t"
525 "addu %[temp0], %[temp0], %[temp1] \n\t"
526 "addu %[temp2], %[temp2], %[temp3] \n\t"
527 "addu %[DC], %[temp0], %[temp2] \n\t"
528 "addu %[DC], %[DC], %[DC] \n\t"
529 "3: \n\t"
530 "shra_r.w %[DC], %[DC], 5 \n\t"
531 "j 5f \n\t"
532 "4: \n\t"
533 "li %[DC], 0x80 \n\t"
534 "5: \n\t"
535 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [DC]"=&r"(DC),
536 [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [DC1]"=&r"(DC1)
537 : [left]"r"(left), [top]"r"(top)
538 : "memory"
539 );
540
541 FILL_8_OR_16(dst, DC, 16);
542 }
543
DCMode8(uint8_t * dst,const uint8_t * left,const uint8_t * top)544 static WEBP_INLINE void DCMode8(uint8_t* dst, const uint8_t* left,
545 const uint8_t* top) {
546 int DC, DC1;
547 int temp0, temp1, temp2, temp3;
548
549 __asm__ volatile(
550 "beqz %[top], 2f \n\t"
551 "ulw %[temp0], 0(%[top]) \n\t"
552 "ulw %[temp1], 4(%[top]) \n\t"
553 "raddu.w.qb %[temp0], %[temp0] \n\t"
554 "raddu.w.qb %[temp1], %[temp1] \n\t"
555 "addu %[DC], %[temp0], %[temp1] \n\t"
556 "move %[DC1], %[DC] \n\t"
557 "beqz %[left], 1f \n\t"
558 "ulw %[temp2], 0(%[left]) \n\t"
559 "ulw %[temp3], 4(%[left]) \n\t"
560 "raddu.w.qb %[temp2], %[temp2] \n\t"
561 "raddu.w.qb %[temp3], %[temp3] \n\t"
562 "addu %[DC1], %[temp2], %[temp3] \n\t"
563 "1: \n\t"
564 "addu %[DC], %[DC], %[DC1] \n\t"
565 "j 3f \n\t"
566 "2: \n\t"
567 "beqz %[left], 4f \n\t"
568 "ulw %[temp2], 0(%[left]) \n\t"
569 "ulw %[temp3], 4(%[left]) \n\t"
570 "raddu.w.qb %[temp2], %[temp2] \n\t"
571 "raddu.w.qb %[temp3], %[temp3] \n\t"
572 "addu %[DC], %[temp2], %[temp3] \n\t"
573 "addu %[DC], %[DC], %[DC] \n\t"
574 "3: \n\t"
575 "shra_r.w %[DC], %[DC], 4 \n\t"
576 "j 5f \n\t"
577 "4: \n\t"
578 "li %[DC], 0x80 \n\t"
579 "5: \n\t"
580 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [DC]"=&r"(DC),
581 [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [DC1]"=&r"(DC1)
582 : [left]"r"(left), [top]"r"(top)
583 : "memory"
584 );
585
586 FILL_8_OR_16(dst, DC, 8);
587 }
588
DC4(uint8_t * dst,const uint8_t * top)589 static void DC4(uint8_t* dst, const uint8_t* top) {
590 int temp0, temp1;
591 __asm__ volatile(
592 "ulw %[temp0], 0(%[top]) \n\t"
593 "ulw %[temp1], -5(%[top]) \n\t"
594 "raddu.w.qb %[temp0], %[temp0] \n\t"
595 "raddu.w.qb %[temp1], %[temp1] \n\t"
596 "addu %[temp0], %[temp0], %[temp1] \n\t"
597 "addiu %[temp0], %[temp0], 4 \n\t"
598 "srl %[temp0], %[temp0], 3 \n\t"
599 "replv.qb %[temp0], %[temp0] \n\t"
600 "usw %[temp0], 0*" XSTR(BPS) "(%[dst]) \n\t"
601 "usw %[temp0], 1*" XSTR(BPS) "(%[dst]) \n\t"
602 "usw %[temp0], 2*" XSTR(BPS) "(%[dst]) \n\t"
603 "usw %[temp0], 3*" XSTR(BPS) "(%[dst]) \n\t"
604 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1)
605 : [top]"r"(top), [dst]"r"(dst)
606 : "memory"
607 );
608 }
609
TM4(uint8_t * dst,const uint8_t * top)610 static void TM4(uint8_t* dst, const uint8_t* top) {
611 int a10, a32, temp0, temp1, temp2, temp3, temp4, temp5;
612 const int c35 = 0xff00ff;
613 __asm__ volatile (
614 "lbu %[temp1], 0(%[top]) \n\t"
615 "lbu %[a10], 1(%[top]) \n\t"
616 "lbu %[temp2], 2(%[top]) \n\t"
617 "lbu %[a32], 3(%[top]) \n\t"
618 "ulw %[temp0], -5(%[top]) \n\t"
619 "lbu %[temp4], -1(%[top]) \n\t"
620 "append %[a10], %[temp1], 16 \n\t"
621 "append %[a32], %[temp2], 16 \n\t"
622 "replv.ph %[temp4], %[temp4] \n\t"
623 "shrl.ph %[temp1], %[temp0], 8 \n\t"
624 "and %[temp0], %[temp0], %[c35] \n\t"
625 "subu.ph %[temp1], %[temp1], %[temp4] \n\t"
626 "subu.ph %[temp0], %[temp0], %[temp4] \n\t"
627 "srl %[temp2], %[temp1], 16 \n\t"
628 "srl %[temp3], %[temp0], 16 \n\t"
629 "replv.ph %[temp2], %[temp2] \n\t"
630 "replv.ph %[temp3], %[temp3] \n\t"
631 "replv.ph %[temp4], %[temp1] \n\t"
632 "replv.ph %[temp5], %[temp0] \n\t"
633 "addu.ph %[temp0], %[temp3], %[a10] \n\t"
634 "addu.ph %[temp1], %[temp3], %[a32] \n\t"
635 "addu.ph %[temp3], %[temp2], %[a10] \n\t"
636 "addu.ph %[temp2], %[temp2], %[a32] \n\t"
637 "shll_s.ph %[temp0], %[temp0], 7 \n\t"
638 "shll_s.ph %[temp1], %[temp1], 7 \n\t"
639 "shll_s.ph %[temp3], %[temp3], 7 \n\t"
640 "shll_s.ph %[temp2], %[temp2], 7 \n\t"
641 "precrqu_s.qb.ph %[temp0], %[temp1], %[temp0] \n\t"
642 "precrqu_s.qb.ph %[temp1], %[temp2], %[temp3] \n\t"
643 "addu.ph %[temp2], %[temp5], %[a10] \n\t"
644 "addu.ph %[temp3], %[temp5], %[a32] \n\t"
645 "addu.ph %[temp5], %[temp4], %[a10] \n\t"
646 "addu.ph %[temp4], %[temp4], %[a32] \n\t"
647 "shll_s.ph %[temp2], %[temp2], 7 \n\t"
648 "shll_s.ph %[temp3], %[temp3], 7 \n\t"
649 "shll_s.ph %[temp4], %[temp4], 7 \n\t"
650 "shll_s.ph %[temp5], %[temp5], 7 \n\t"
651 "precrqu_s.qb.ph %[temp2], %[temp3], %[temp2] \n\t"
652 "precrqu_s.qb.ph %[temp3], %[temp4], %[temp5] \n\t"
653 "usw %[temp1], 0*" XSTR(BPS) "(%[dst]) \n\t"
654 "usw %[temp0], 1*" XSTR(BPS) "(%[dst]) \n\t"
655 "usw %[temp3], 2*" XSTR(BPS) "(%[dst]) \n\t"
656 "usw %[temp2], 3*" XSTR(BPS) "(%[dst]) \n\t"
657 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
658 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
659 [a10]"=&r"(a10), [a32]"=&r"(a32)
660 : [c35]"r"(c35), [top]"r"(top), [dst]"r"(dst)
661 : "memory"
662 );
663 }
664
VE4(uint8_t * dst,const uint8_t * top)665 static void VE4(uint8_t* dst, const uint8_t* top) {
666 int temp0, temp1, temp2, temp3, temp4, temp5, temp6;
667 __asm__ volatile(
668 "ulw %[temp0], -1(%[top]) \n\t"
669 "ulh %[temp1], 3(%[top]) \n\t"
670 "preceu.ph.qbr %[temp2], %[temp0] \n\t"
671 "preceu.ph.qbl %[temp3], %[temp0] \n\t"
672 "preceu.ph.qbr %[temp4], %[temp1] \n\t"
673 "packrl.ph %[temp5], %[temp3], %[temp2] \n\t"
674 "packrl.ph %[temp6], %[temp4], %[temp3] \n\t"
675 "shll.ph %[temp5], %[temp5], 1 \n\t"
676 "shll.ph %[temp6], %[temp6], 1 \n\t"
677 "addq.ph %[temp2], %[temp5], %[temp2] \n\t"
678 "addq.ph %[temp6], %[temp6], %[temp4] \n\t"
679 "addq.ph %[temp2], %[temp2], %[temp3] \n\t"
680 "addq.ph %[temp6], %[temp6], %[temp3] \n\t"
681 "shra_r.ph %[temp2], %[temp2], 2 \n\t"
682 "shra_r.ph %[temp6], %[temp6], 2 \n\t"
683 "precr.qb.ph %[temp4], %[temp6], %[temp2] \n\t"
684 "usw %[temp4], 0*" XSTR(BPS) "(%[dst]) \n\t"
685 "usw %[temp4], 1*" XSTR(BPS) "(%[dst]) \n\t"
686 "usw %[temp4], 2*" XSTR(BPS) "(%[dst]) \n\t"
687 "usw %[temp4], 3*" XSTR(BPS) "(%[dst]) \n\t"
688 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
689 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
690 [temp6]"=&r"(temp6)
691 : [top]"r"(top), [dst]"r"(dst)
692 : "memory"
693 );
694 }
695
HE4(uint8_t * dst,const uint8_t * top)696 static void HE4(uint8_t* dst, const uint8_t* top) {
697 int temp0, temp1, temp2, temp3, temp4, temp5, temp6;
698 __asm__ volatile(
699 "ulw %[temp0], -4(%[top]) \n\t"
700 "lbu %[temp1], -5(%[top]) \n\t"
701 "preceu.ph.qbr %[temp2], %[temp0] \n\t"
702 "preceu.ph.qbl %[temp3], %[temp0] \n\t"
703 "replv.ph %[temp4], %[temp1] \n\t"
704 "packrl.ph %[temp5], %[temp3], %[temp2] \n\t"
705 "packrl.ph %[temp6], %[temp2], %[temp4] \n\t"
706 "shll.ph %[temp5], %[temp5], 1 \n\t"
707 "shll.ph %[temp6], %[temp6], 1 \n\t"
708 "addq.ph %[temp3], %[temp3], %[temp5] \n\t"
709 "addq.ph %[temp3], %[temp3], %[temp2] \n\t"
710 "addq.ph %[temp2], %[temp2], %[temp6] \n\t"
711 "addq.ph %[temp2], %[temp2], %[temp4] \n\t"
712 "shra_r.ph %[temp3], %[temp3], 2 \n\t"
713 "shra_r.ph %[temp2], %[temp2], 2 \n\t"
714 "replv.qb %[temp0], %[temp3] \n\t"
715 "replv.qb %[temp1], %[temp2] \n\t"
716 "srl %[temp3], %[temp3], 16 \n\t"
717 "srl %[temp2], %[temp2], 16 \n\t"
718 "replv.qb %[temp3], %[temp3] \n\t"
719 "replv.qb %[temp2], %[temp2] \n\t"
720 "usw %[temp3], 0*" XSTR(BPS) "(%[dst]) \n\t"
721 "usw %[temp0], 1*" XSTR(BPS) "(%[dst]) \n\t"
722 "usw %[temp2], 2*" XSTR(BPS) "(%[dst]) \n\t"
723 "usw %[temp1], 3*" XSTR(BPS) "(%[dst]) \n\t"
724 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
725 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
726 [temp6]"=&r"(temp6)
727 : [top]"r"(top), [dst]"r"(dst)
728 : "memory"
729 );
730 }
731
RD4(uint8_t * dst,const uint8_t * top)732 static void RD4(uint8_t* dst, const uint8_t* top) {
733 int temp0, temp1, temp2, temp3, temp4, temp5;
734 int temp6, temp7, temp8, temp9, temp10, temp11;
735 __asm__ volatile(
736 "ulw %[temp0], -5(%[top]) \n\t"
737 "ulw %[temp1], -1(%[top]) \n\t"
738 "preceu.ph.qbl %[temp2], %[temp0] \n\t"
739 "preceu.ph.qbr %[temp3], %[temp0] \n\t"
740 "preceu.ph.qbr %[temp4], %[temp1] \n\t"
741 "preceu.ph.qbl %[temp5], %[temp1] \n\t"
742 "packrl.ph %[temp6], %[temp2], %[temp3] \n\t"
743 "packrl.ph %[temp7], %[temp4], %[temp2] \n\t"
744 "packrl.ph %[temp8], %[temp5], %[temp4] \n\t"
745 "shll.ph %[temp6], %[temp6], 1 \n\t"
746 "addq.ph %[temp9], %[temp2], %[temp6] \n\t"
747 "shll.ph %[temp7], %[temp7], 1 \n\t"
748 "addq.ph %[temp9], %[temp9], %[temp3] \n\t"
749 "shll.ph %[temp8], %[temp8], 1 \n\t"
750 "shra_r.ph %[temp9], %[temp9], 2 \n\t"
751 "addq.ph %[temp10], %[temp4], %[temp7] \n\t"
752 "addq.ph %[temp11], %[temp5], %[temp8] \n\t"
753 "addq.ph %[temp10], %[temp10], %[temp2] \n\t"
754 "addq.ph %[temp11], %[temp11], %[temp4] \n\t"
755 "shra_r.ph %[temp10], %[temp10], 2 \n\t"
756 "shra_r.ph %[temp11], %[temp11], 2 \n\t"
757 "lbu %[temp0], 3(%[top]) \n\t"
758 "lbu %[temp1], 2(%[top]) \n\t"
759 "lbu %[temp2], 1(%[top]) \n\t"
760 "sll %[temp1], %[temp1], 1 \n\t"
761 "addu %[temp0], %[temp0], %[temp1] \n\t"
762 "addu %[temp0], %[temp0], %[temp2] \n\t"
763 "precr.qb.ph %[temp9], %[temp10], %[temp9] \n\t"
764 "shra_r.w %[temp0], %[temp0], 2 \n\t"
765 "precr.qb.ph %[temp10], %[temp11], %[temp10] \n\t"
766 "usw %[temp9], 3*" XSTR(BPS) "(%[dst]) \n\t"
767 "usw %[temp10], 1*" XSTR(BPS) "(%[dst]) \n\t"
768 "prepend %[temp9], %[temp11], 8 \n\t"
769 "prepend %[temp10], %[temp0], 8 \n\t"
770 "usw %[temp9], 2*" XSTR(BPS) "(%[dst]) \n\t"
771 "usw %[temp10], 0*" XSTR(BPS) "(%[dst]) \n\t"
772 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
773 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
774 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8),
775 [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), [temp11]"=&r"(temp11)
776 : [top]"r"(top), [dst]"r"(dst)
777 : "memory"
778 );
779 }
780
VR4(uint8_t * dst,const uint8_t * top)781 static void VR4(uint8_t* dst, const uint8_t* top) {
782 int temp0, temp1, temp2, temp3, temp4;
783 int temp5, temp6, temp7, temp8, temp9;
784 __asm__ volatile (
785 "ulw %[temp0], -4(%[top]) \n\t"
786 "ulw %[temp1], 0(%[top]) \n\t"
787 "preceu.ph.qbl %[temp2], %[temp0] \n\t"
788 "preceu.ph.qbr %[temp0], %[temp0] \n\t"
789 "preceu.ph.qbla %[temp3], %[temp1] \n\t"
790 "preceu.ph.qbra %[temp1], %[temp1] \n\t"
791 "packrl.ph %[temp7], %[temp3], %[temp2] \n\t"
792 "addqh_r.ph %[temp4], %[temp1], %[temp3] \n\t"
793 "move %[temp6], %[temp1] \n\t"
794 "append %[temp1], %[temp2], 16 \n\t"
795 "shll.ph %[temp9], %[temp6], 1 \n\t"
796 "addqh_r.ph %[temp5], %[temp7], %[temp6] \n\t"
797 "shll.ph %[temp8], %[temp7], 1 \n\t"
798 "addu.ph %[temp3], %[temp7], %[temp3] \n\t"
799 "addu.ph %[temp1], %[temp1], %[temp6] \n\t"
800 "packrl.ph %[temp7], %[temp2], %[temp0] \n\t"
801 "addu.ph %[temp6], %[temp0], %[temp2] \n\t"
802 "addu.ph %[temp3], %[temp3], %[temp9] \n\t"
803 "addu.ph %[temp1], %[temp1], %[temp8] \n\t"
804 "shll.ph %[temp7], %[temp7], 1 \n\t"
805 "shra_r.ph %[temp3], %[temp3], 2 \n\t"
806 "shra_r.ph %[temp1], %[temp1], 2 \n\t"
807 "addu.ph %[temp6], %[temp6], %[temp7] \n\t"
808 "shra_r.ph %[temp6], %[temp6], 2 \n\t"
809 "precrq.ph.w %[temp8], %[temp4], %[temp5] \n\t"
810 "append %[temp4], %[temp5], 16 \n\t"
811 "precrq.ph.w %[temp2], %[temp3], %[temp1] \n\t"
812 "append %[temp3], %[temp1], 16 \n\t"
813 "precr.qb.ph %[temp8], %[temp8], %[temp4] \n\t"
814 "precr.qb.ph %[temp3], %[temp2], %[temp3] \n\t"
815 "usw %[temp8], 0*" XSTR(BPS) "(%[dst]) \n\t"
816 "usw %[temp3], 1*" XSTR(BPS) "(%[dst]) \n\t"
817 "append %[temp3], %[temp6], 8 \n\t"
818 "srl %[temp6], %[temp6], 16 \n\t"
819 "append %[temp8], %[temp6], 8 \n\t"
820 "usw %[temp3], 3*" XSTR(BPS) "(%[dst]) \n\t"
821 "usw %[temp8], 2*" XSTR(BPS) "(%[dst]) \n\t"
822 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
823 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
824 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8),
825 [temp9]"=&r"(temp9)
826 : [top]"r"(top), [dst]"r"(dst)
827 : "memory"
828 );
829 }
830
LD4(uint8_t * dst,const uint8_t * top)831 static void LD4(uint8_t* dst, const uint8_t* top) {
832 int temp0, temp1, temp2, temp3, temp4, temp5;
833 int temp6, temp7, temp8, temp9, temp10, temp11;
834 __asm__ volatile(
835 "ulw %[temp0], 0(%[top]) \n\t"
836 "ulw %[temp1], 4(%[top]) \n\t"
837 "preceu.ph.qbl %[temp2], %[temp0] \n\t"
838 "preceu.ph.qbr %[temp3], %[temp0] \n\t"
839 "preceu.ph.qbr %[temp4], %[temp1] \n\t"
840 "preceu.ph.qbl %[temp5], %[temp1] \n\t"
841 "packrl.ph %[temp6], %[temp2], %[temp3] \n\t"
842 "packrl.ph %[temp7], %[temp4], %[temp2] \n\t"
843 "packrl.ph %[temp8], %[temp5], %[temp4] \n\t"
844 "shll.ph %[temp6], %[temp6], 1 \n\t"
845 "addq.ph %[temp9], %[temp2], %[temp6] \n\t"
846 "shll.ph %[temp7], %[temp7], 1 \n\t"
847 "addq.ph %[temp9], %[temp9], %[temp3] \n\t"
848 "shll.ph %[temp8], %[temp8], 1 \n\t"
849 "shra_r.ph %[temp9], %[temp9], 2 \n\t"
850 "addq.ph %[temp10], %[temp4], %[temp7] \n\t"
851 "addq.ph %[temp11], %[temp5], %[temp8] \n\t"
852 "addq.ph %[temp10], %[temp10], %[temp2] \n\t"
853 "addq.ph %[temp11], %[temp11], %[temp4] \n\t"
854 "shra_r.ph %[temp10], %[temp10], 2 \n\t"
855 "shra_r.ph %[temp11], %[temp11], 2 \n\t"
856 "srl %[temp1], %[temp1], 24 \n\t"
857 "sll %[temp1], %[temp1], 1 \n\t"
858 "raddu.w.qb %[temp5], %[temp5] \n\t"
859 "precr.qb.ph %[temp9], %[temp10], %[temp9] \n\t"
860 "precr.qb.ph %[temp10], %[temp11], %[temp10] \n\t"
861 "addu %[temp1], %[temp1], %[temp5] \n\t"
862 "shra_r.w %[temp1], %[temp1], 2 \n\t"
863 "usw %[temp9], 0*" XSTR(BPS) "(%[dst]) \n\t"
864 "usw %[temp10], 2*" XSTR(BPS) "(%[dst]) \n\t"
865 "prepend %[temp9], %[temp11], 8 \n\t"
866 "prepend %[temp10], %[temp1], 8 \n\t"
867 "usw %[temp9], 1*" XSTR(BPS) "(%[dst]) \n\t"
868 "usw %[temp10], 3*" XSTR(BPS) "(%[dst]) \n\t"
869 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
870 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
871 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8),
872 [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), [temp11]"=&r"(temp11)
873 : [top]"r"(top), [dst]"r"(dst)
874 : "memory"
875 );
876 }
877
VL4(uint8_t * dst,const uint8_t * top)878 static void VL4(uint8_t* dst, const uint8_t* top) {
879 int temp0, temp1, temp2, temp3, temp4;
880 int temp5, temp6, temp7, temp8, temp9;
881 __asm__ volatile (
882 "ulw %[temp0], 0(%[top]) \n\t"
883 "ulw %[temp1], 4(%[top]) \n\t"
884 "preceu.ph.qbla %[temp2], %[temp0] \n\t"
885 "preceu.ph.qbra %[temp0], %[temp0] \n\t"
886 "preceu.ph.qbl %[temp3], %[temp1] \n\t"
887 "preceu.ph.qbr %[temp1], %[temp1] \n\t"
888 "addqh_r.ph %[temp4], %[temp0], %[temp2] \n\t"
889 "packrl.ph %[temp7], %[temp1], %[temp0] \n\t"
890 "precrq.ph.w %[temp6], %[temp1], %[temp2] \n\t"
891 "shll.ph %[temp9], %[temp2], 1 \n\t"
892 "addqh_r.ph %[temp5], %[temp7], %[temp2] \n\t"
893 "shll.ph %[temp8], %[temp7], 1 \n\t"
894 "addu.ph %[temp2], %[temp2], %[temp6] \n\t"
895 "addu.ph %[temp0], %[temp0], %[temp7] \n\t"
896 "packrl.ph %[temp7], %[temp3], %[temp1] \n\t"
897 "addu.ph %[temp6], %[temp1], %[temp3] \n\t"
898 "addu.ph %[temp2], %[temp2], %[temp8] \n\t"
899 "addu.ph %[temp0], %[temp0], %[temp9] \n\t"
900 "shll.ph %[temp7], %[temp7], 1 \n\t"
901 "shra_r.ph %[temp2], %[temp2], 2 \n\t"
902 "shra_r.ph %[temp0], %[temp0], 2 \n\t"
903 "addu.ph %[temp6], %[temp6], %[temp7] \n\t"
904 "shra_r.ph %[temp6], %[temp6], 2 \n\t"
905 "precrq.ph.w %[temp8], %[temp5], %[temp4] \n\t"
906 "append %[temp5], %[temp4], 16 \n\t"
907 "precrq.ph.w %[temp3], %[temp2], %[temp0] \n\t"
908 "append %[temp2], %[temp0], 16 \n\t"
909 "precr.qb.ph %[temp8], %[temp8], %[temp5] \n\t"
910 "precr.qb.ph %[temp3], %[temp3], %[temp2] \n\t"
911 "usw %[temp8], 0*" XSTR(BPS) "(%[dst]) \n\t"
912 "prepend %[temp8], %[temp6], 8 \n\t"
913 "usw %[temp3], 1*" XSTR(BPS) "(%[dst]) \n\t"
914 "srl %[temp6], %[temp6], 16 \n\t"
915 "prepend %[temp3], %[temp6], 8 \n\t"
916 "usw %[temp8], 2*" XSTR(BPS) "(%[dst]) \n\t"
917 "usw %[temp3], 3*" XSTR(BPS) "(%[dst]) \n\t"
918 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
919 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
920 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8),
921 [temp9]"=&r"(temp9)
922 : [top]"r"(top), [dst]"r"(dst)
923 : "memory"
924 );
925 }
926
HD4(uint8_t * dst,const uint8_t * top)927 static void HD4(uint8_t* dst, const uint8_t* top) {
928 int temp0, temp1, temp2, temp3, temp4;
929 int temp5, temp6, temp7, temp8, temp9;
930 __asm__ volatile (
931 "ulw %[temp0], -5(%[top]) \n\t"
932 "ulw %[temp1], -1(%[top]) \n\t"
933 "preceu.ph.qbla %[temp2], %[temp0] \n\t"
934 "preceu.ph.qbra %[temp0], %[temp0] \n\t"
935 "preceu.ph.qbl %[temp3], %[temp1] \n\t"
936 "preceu.ph.qbr %[temp1], %[temp1] \n\t"
937 "addqh_r.ph %[temp4], %[temp0], %[temp2] \n\t"
938 "packrl.ph %[temp7], %[temp1], %[temp0] \n\t"
939 "precrq.ph.w %[temp6], %[temp1], %[temp2] \n\t"
940 "shll.ph %[temp9], %[temp2], 1 \n\t"
941 "addqh_r.ph %[temp5], %[temp7], %[temp2] \n\t"
942 "shll.ph %[temp8], %[temp7], 1 \n\t"
943 "addu.ph %[temp2], %[temp2], %[temp6] \n\t"
944 "addu.ph %[temp0], %[temp0], %[temp7] \n\t"
945 "packrl.ph %[temp7], %[temp3], %[temp1] \n\t"
946 "addu.ph %[temp6], %[temp1], %[temp3] \n\t"
947 "addu.ph %[temp2], %[temp2], %[temp8] \n\t"
948 "addu.ph %[temp0], %[temp0], %[temp9] \n\t"
949 "shll.ph %[temp7], %[temp7], 1 \n\t"
950 "shra_r.ph %[temp2], %[temp2], 2 \n\t"
951 "shra_r.ph %[temp0], %[temp0], 2 \n\t"
952 "addu.ph %[temp6], %[temp6], %[temp7] \n\t"
953 "shra_r.ph %[temp6], %[temp6], 2 \n\t"
954 "precrq.ph.w %[temp1], %[temp2], %[temp5] \n\t"
955 "precrq.ph.w %[temp3], %[temp0], %[temp4] \n\t"
956 "precr.qb.ph %[temp7], %[temp6], %[temp1] \n\t"
957 "precr.qb.ph %[temp6], %[temp1], %[temp3] \n\t"
958 "usw %[temp7], 0*" XSTR(BPS) "(%[dst]) \n\t"
959 "usw %[temp6], 1*" XSTR(BPS) "(%[dst]) \n\t"
960 "append %[temp2], %[temp5], 16 \n\t"
961 "append %[temp0], %[temp4], 16 \n\t"
962 "precr.qb.ph %[temp5], %[temp3], %[temp2] \n\t"
963 "precr.qb.ph %[temp4], %[temp2], %[temp0] \n\t"
964 "usw %[temp5], 2*" XSTR(BPS) "(%[dst]) \n\t"
965 "usw %[temp4], 3*" XSTR(BPS) "(%[dst]) \n\t"
966 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
967 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
968 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8),
969 [temp9]"=&r"(temp9)
970 : [top]"r"(top), [dst]"r"(dst)
971 : "memory"
972 );
973 }
974
HU4(uint8_t * dst,const uint8_t * top)975 static void HU4(uint8_t* dst, const uint8_t* top) {
976 int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
977 __asm__ volatile (
978 "ulw %[temp0], -5(%[top]) \n\t"
979 "preceu.ph.qbl %[temp1], %[temp0] \n\t"
980 "preceu.ph.qbr %[temp2], %[temp0] \n\t"
981 "packrl.ph %[temp3], %[temp1], %[temp2] \n\t"
982 "replv.qb %[temp7], %[temp2] \n\t"
983 "addqh_r.ph %[temp4], %[temp1], %[temp3] \n\t"
984 "addqh_r.ph %[temp5], %[temp3], %[temp2] \n\t"
985 "shll.ph %[temp6], %[temp3], 1 \n\t"
986 "addu.ph %[temp3], %[temp2], %[temp3] \n\t"
987 "addu.ph %[temp6], %[temp1], %[temp6] \n\t"
988 "shll.ph %[temp0], %[temp2], 1 \n\t"
989 "addu.ph %[temp6], %[temp6], %[temp2] \n\t"
990 "addu.ph %[temp0], %[temp3], %[temp0] \n\t"
991 "shra_r.ph %[temp6], %[temp6], 2 \n\t"
992 "shra_r.ph %[temp0], %[temp0], 2 \n\t"
993 "packrl.ph %[temp3], %[temp6], %[temp5] \n\t"
994 "precrq.ph.w %[temp2], %[temp6], %[temp4] \n\t"
995 "append %[temp0], %[temp5], 16 \n\t"
996 "precr.qb.ph %[temp3], %[temp3], %[temp2] \n\t"
997 "usw %[temp3], 0*" XSTR(BPS) "(%[dst]) \n\t"
998 "precr.qb.ph %[temp1], %[temp7], %[temp0] \n\t"
999 "usw %[temp7], 3*" XSTR(BPS) "(%[dst]) \n\t"
1000 "packrl.ph %[temp2], %[temp1], %[temp3] \n\t"
1001 "usw %[temp1], 2*" XSTR(BPS) "(%[dst]) \n\t"
1002 "usw %[temp2], 1*" XSTR(BPS) "(%[dst]) \n\t"
1003 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1004 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
1005 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7)
1006 : [top]"r"(top), [dst]"r"(dst)
1007 : "memory"
1008 );
1009 }
1010
1011 //------------------------------------------------------------------------------
1012 // Chroma 8x8 prediction (paragraph 12.2)
1013
IntraChromaPreds(uint8_t * dst,const uint8_t * left,const uint8_t * top)1014 static void IntraChromaPreds(uint8_t* dst, const uint8_t* left,
1015 const uint8_t* top) {
1016 // U block
1017 DCMode8(C8DC8 + dst, left, top);
1018 VerticalPred8(C8VE8 + dst, top);
1019 HorizontalPred8(C8HE8 + dst, left);
1020 TrueMotion8(C8TM8 + dst, left, top);
1021 // V block
1022 dst += 8;
1023 if (top) top += 8;
1024 if (left) left += 16;
1025 DCMode8(C8DC8 + dst, left, top);
1026 VerticalPred8(C8VE8 + dst, top);
1027 HorizontalPred8(C8HE8 + dst, left);
1028 TrueMotion8(C8TM8 + dst, left, top);
1029 }
1030
1031 //------------------------------------------------------------------------------
1032 // luma 16x16 prediction (paragraph 12.3)
1033
Intra16Preds(uint8_t * dst,const uint8_t * left,const uint8_t * top)1034 static void Intra16Preds(uint8_t* dst,
1035 const uint8_t* left, const uint8_t* top) {
1036 DCMode16(I16DC16 + dst, left, top);
1037 VerticalPred16(I16VE16 + dst, top);
1038 HorizontalPred16(I16HE16 + dst, left);
1039 TrueMotion16(I16TM16 + dst, left, top);
1040 }
1041
1042 // Left samples are top[-5 .. -2], top_left is top[-1], top are
1043 // located at top[0..3], and top right is top[4..7]
Intra4Preds(uint8_t * dst,const uint8_t * top)1044 static void Intra4Preds(uint8_t* dst, const uint8_t* top) {
1045 DC4(I4DC4 + dst, top);
1046 TM4(I4TM4 + dst, top);
1047 VE4(I4VE4 + dst, top);
1048 HE4(I4HE4 + dst, top);
1049 RD4(I4RD4 + dst, top);
1050 VR4(I4VR4 + dst, top);
1051 LD4(I4LD4 + dst, top);
1052 VL4(I4VL4 + dst, top);
1053 HD4(I4HD4 + dst, top);
1054 HU4(I4HU4 + dst, top);
1055 }
1056
1057 //------------------------------------------------------------------------------
1058 // Metric
1059
1060 #if !defined(WORK_AROUND_GCC)
1061
1062 #define GET_SSE_INNER(A) \
1063 "lw %[temp0], " #A "(%[a]) \n\t" \
1064 "lw %[temp1], " #A "(%[b]) \n\t" \
1065 "preceu.ph.qbr %[temp2], %[temp0] \n\t" \
1066 "preceu.ph.qbl %[temp0], %[temp0] \n\t" \
1067 "preceu.ph.qbr %[temp3], %[temp1] \n\t" \
1068 "preceu.ph.qbl %[temp1], %[temp1] \n\t" \
1069 "subq.ph %[temp2], %[temp2], %[temp3] \n\t" \
1070 "subq.ph %[temp0], %[temp0], %[temp1] \n\t" \
1071 "dpa.w.ph $ac0, %[temp2], %[temp2] \n\t" \
1072 "dpa.w.ph $ac0, %[temp0], %[temp0] \n\t"
1073
1074 #define GET_SSE(A, B, C, D) \
1075 GET_SSE_INNER(A) \
1076 GET_SSE_INNER(B) \
1077 GET_SSE_INNER(C) \
1078 GET_SSE_INNER(D)
1079
SSE16x16(const uint8_t * a,const uint8_t * b)1080 static int SSE16x16(const uint8_t* a, const uint8_t* b) {
1081 int count;
1082 int temp0, temp1, temp2, temp3;
1083 __asm__ volatile (
1084 "mult $zero, $zero \n\t"
1085 GET_SSE( 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS)
1086 GET_SSE( 1 * BPS, 4 + 1 * BPS, 8 + 1 * BPS, 12 + 1 * BPS)
1087 GET_SSE( 2 * BPS, 4 + 2 * BPS, 8 + 2 * BPS, 12 + 2 * BPS)
1088 GET_SSE( 3 * BPS, 4 + 3 * BPS, 8 + 3 * BPS, 12 + 3 * BPS)
1089 GET_SSE( 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS)
1090 GET_SSE( 5 * BPS, 4 + 5 * BPS, 8 + 5 * BPS, 12 + 5 * BPS)
1091 GET_SSE( 6 * BPS, 4 + 6 * BPS, 8 + 6 * BPS, 12 + 6 * BPS)
1092 GET_SSE( 7 * BPS, 4 + 7 * BPS, 8 + 7 * BPS, 12 + 7 * BPS)
1093 GET_SSE( 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS)
1094 GET_SSE( 9 * BPS, 4 + 9 * BPS, 8 + 9 * BPS, 12 + 9 * BPS)
1095 GET_SSE(10 * BPS, 4 + 10 * BPS, 8 + 10 * BPS, 12 + 10 * BPS)
1096 GET_SSE(11 * BPS, 4 + 11 * BPS, 8 + 11 * BPS, 12 + 11 * BPS)
1097 GET_SSE(12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS)
1098 GET_SSE(13 * BPS, 4 + 13 * BPS, 8 + 13 * BPS, 12 + 13 * BPS)
1099 GET_SSE(14 * BPS, 4 + 14 * BPS, 8 + 14 * BPS, 12 + 14 * BPS)
1100 GET_SSE(15 * BPS, 4 + 15 * BPS, 8 + 15 * BPS, 12 + 15 * BPS)
1101 "mflo %[count] \n\t"
1102 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1103 [temp3]"=&r"(temp3), [count]"=&r"(count)
1104 : [a]"r"(a), [b]"r"(b)
1105 : "memory", "hi", "lo"
1106 );
1107 return count;
1108 }
1109
SSE16x8(const uint8_t * a,const uint8_t * b)1110 static int SSE16x8(const uint8_t* a, const uint8_t* b) {
1111 int count;
1112 int temp0, temp1, temp2, temp3;
1113 __asm__ volatile (
1114 "mult $zero, $zero \n\t"
1115 GET_SSE( 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS)
1116 GET_SSE( 1 * BPS, 4 + 1 * BPS, 8 + 1 * BPS, 12 + 1 * BPS)
1117 GET_SSE( 2 * BPS, 4 + 2 * BPS, 8 + 2 * BPS, 12 + 2 * BPS)
1118 GET_SSE( 3 * BPS, 4 + 3 * BPS, 8 + 3 * BPS, 12 + 3 * BPS)
1119 GET_SSE( 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS)
1120 GET_SSE( 5 * BPS, 4 + 5 * BPS, 8 + 5 * BPS, 12 + 5 * BPS)
1121 GET_SSE( 6 * BPS, 4 + 6 * BPS, 8 + 6 * BPS, 12 + 6 * BPS)
1122 GET_SSE( 7 * BPS, 4 + 7 * BPS, 8 + 7 * BPS, 12 + 7 * BPS)
1123 "mflo %[count] \n\t"
1124 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1125 [temp3]"=&r"(temp3), [count]"=&r"(count)
1126 : [a]"r"(a), [b]"r"(b)
1127 : "memory", "hi", "lo"
1128 );
1129 return count;
1130 }
1131
SSE8x8(const uint8_t * a,const uint8_t * b)1132 static int SSE8x8(const uint8_t* a, const uint8_t* b) {
1133 int count;
1134 int temp0, temp1, temp2, temp3;
1135 __asm__ volatile (
1136 "mult $zero, $zero \n\t"
1137 GET_SSE(0 * BPS, 4 + 0 * BPS, 1 * BPS, 4 + 1 * BPS)
1138 GET_SSE(2 * BPS, 4 + 2 * BPS, 3 * BPS, 4 + 3 * BPS)
1139 GET_SSE(4 * BPS, 4 + 4 * BPS, 5 * BPS, 4 + 5 * BPS)
1140 GET_SSE(6 * BPS, 4 + 6 * BPS, 7 * BPS, 4 + 7 * BPS)
1141 "mflo %[count] \n\t"
1142 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1143 [temp3]"=&r"(temp3), [count]"=&r"(count)
1144 : [a]"r"(a), [b]"r"(b)
1145 : "memory", "hi", "lo"
1146 );
1147 return count;
1148 }
1149
SSE4x4(const uint8_t * a,const uint8_t * b)1150 static int SSE4x4(const uint8_t* a, const uint8_t* b) {
1151 int count;
1152 int temp0, temp1, temp2, temp3;
1153 __asm__ volatile (
1154 "mult $zero, $zero \n\t"
1155 GET_SSE(0 * BPS, 1 * BPS, 2 * BPS, 3 * BPS)
1156 "mflo %[count] \n\t"
1157 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1158 [temp3]"=&r"(temp3), [count]"=&r"(count)
1159 : [a]"r"(a), [b]"r"(b)
1160 : "memory", "hi", "lo"
1161 );
1162 return count;
1163 }
1164
1165 #undef GET_SSE
1166 #undef GET_SSE_INNER
1167
1168 #endif // !WORK_AROUND_GCC
1169
1170 #undef FILL_8_OR_16
1171 #undef FILL_PART
1172 #undef OUTPUT_EARLY_CLOBBER_REGS_17
1173 #undef MUL_HALF
1174 #undef ABS_X8
1175 #undef ADD_SUB_HALVES_X4
1176
1177 //------------------------------------------------------------------------------
1178 // Quantization
1179 //
1180
1181 // macro for one pass through for loop in QuantizeBlock reading 2 values at time
1182 // QUANTDIV macro inlined
1183 // J - offset in bytes (kZigzag[n] * 2)
1184 // K - offset in bytes (kZigzag[n] * 4)
1185 // N - offset in bytes (n * 2)
1186 // N1 - offset in bytes ((n + 1) * 2)
1187 #define QUANTIZE_ONE(J, K, N, N1) \
1188 "ulw %[temp1], " #J "(%[ppin]) \n\t" \
1189 "ulw %[temp2], " #J "(%[ppsharpen]) \n\t" \
1190 "lhu %[temp3], " #K "(%[ppzthresh]) \n\t" \
1191 "lhu %[temp6], " #K "+4(%[ppzthresh]) \n\t" \
1192 "absq_s.ph %[temp4], %[temp1] \n\t" \
1193 "ins %[temp3], %[temp6], 16, 16 \n\t" \
1194 "addu.ph %[coeff], %[temp4], %[temp2] \n\t" \
1195 "shra.ph %[sign], %[temp1], 15 \n\t" \
1196 "li %[level], 0x10001 \n\t" \
1197 "cmp.lt.ph %[temp3], %[coeff] \n\t" \
1198 "lhu %[temp1], " #J "(%[ppiq]) \n\t" \
1199 "pick.ph %[temp5], %[level], $0 \n\t" \
1200 "lw %[temp2], " #K "(%[ppbias]) \n\t" \
1201 "beqz %[temp5], 0f \n\t" \
1202 "lhu %[temp3], " #J "(%[ppq]) \n\t" \
1203 "beq %[temp5], %[level], 1f \n\t" \
1204 "andi %[temp5], %[temp5], 0x1 \n\t" \
1205 "andi %[temp4], %[coeff], 0xffff \n\t" \
1206 "beqz %[temp5], 2f \n\t" \
1207 "mul %[level], %[temp4], %[temp1] \n\t" \
1208 "sh $0, " #J "+2(%[ppin]) \n\t" \
1209 "sh $0, " #N1 "(%[pout]) \n\t" \
1210 "addu %[level], %[level], %[temp2] \n\t" \
1211 "sra %[level], %[level], 17 \n\t" \
1212 "slt %[temp4], %[max_level], %[level] \n\t" \
1213 "movn %[level], %[max_level], %[temp4] \n\t" \
1214 "andi %[temp6], %[sign], 0xffff \n\t" \
1215 "xor %[level], %[level], %[temp6] \n\t" \
1216 "subu %[level], %[level], %[temp6] \n\t" \
1217 "mul %[temp5], %[level], %[temp3] \n\t" \
1218 "or %[ret], %[ret], %[level] \n\t" \
1219 "sh %[level], " #N "(%[pout]) \n\t" \
1220 "sh %[temp5], " #J "(%[ppin]) \n\t" \
1221 "j 3f \n\t" \
1222 "2: \n\t" \
1223 "lhu %[temp1], " #J "+2(%[ppiq]) \n\t" \
1224 "srl %[temp5], %[coeff], 16 \n\t" \
1225 "mul %[level], %[temp5], %[temp1] \n\t" \
1226 "lw %[temp2], " #K "+4(%[ppbias]) \n\t" \
1227 "lhu %[temp3], " #J "+2(%[ppq]) \n\t" \
1228 "addu %[level], %[level], %[temp2] \n\t" \
1229 "sra %[level], %[level], 17 \n\t" \
1230 "srl %[temp6], %[sign], 16 \n\t" \
1231 "slt %[temp4], %[max_level], %[level] \n\t" \
1232 "movn %[level], %[max_level], %[temp4] \n\t" \
1233 "xor %[level], %[level], %[temp6] \n\t" \
1234 "subu %[level], %[level], %[temp6] \n\t" \
1235 "mul %[temp5], %[level], %[temp3] \n\t" \
1236 "sh $0, " #J "(%[ppin]) \n\t" \
1237 "sh $0, " #N "(%[pout]) \n\t" \
1238 "or %[ret], %[ret], %[level] \n\t" \
1239 "sh %[temp5], " #J "+2(%[ppin]) \n\t" \
1240 "sh %[level], " #N1 "(%[pout]) \n\t" \
1241 "j 3f \n\t" \
1242 "1: \n\t" \
1243 "lhu %[temp1], " #J "(%[ppiq]) \n\t" \
1244 "lw %[temp2], " #K "(%[ppbias]) \n\t" \
1245 "ulw %[temp3], " #J "(%[ppq]) \n\t" \
1246 "andi %[temp5], %[coeff], 0xffff \n\t" \
1247 "srl %[temp0], %[coeff], 16 \n\t" \
1248 "lhu %[temp6], " #J "+2(%[ppiq]) \n\t" \
1249 "lw %[coeff], " #K "+4(%[ppbias]) \n\t" \
1250 "mul %[level], %[temp5], %[temp1] \n\t" \
1251 "mul %[temp4], %[temp0], %[temp6] \n\t" \
1252 "addu %[level], %[level], %[temp2] \n\t" \
1253 "addu %[temp4], %[temp4], %[coeff] \n\t" \
1254 "precrq.ph.w %[level], %[temp4], %[level] \n\t" \
1255 "shra.ph %[level], %[level], 1 \n\t" \
1256 "cmp.lt.ph %[max_level1],%[level] \n\t" \
1257 "pick.ph %[level], %[max_level], %[level] \n\t" \
1258 "xor %[level], %[level], %[sign] \n\t" \
1259 "subu.ph %[level], %[level], %[sign] \n\t" \
1260 "mul.ph %[temp3], %[level], %[temp3] \n\t" \
1261 "or %[ret], %[ret], %[level] \n\t" \
1262 "sh %[level], " #N "(%[pout]) \n\t" \
1263 "srl %[level], %[level], 16 \n\t" \
1264 "sh %[level], " #N1 "(%[pout]) \n\t" \
1265 "usw %[temp3], " #J "(%[ppin]) \n\t" \
1266 "j 3f \n\t" \
1267 "0: \n\t" \
1268 "sh $0, " #N "(%[pout]) \n\t" \
1269 "sh $0, " #N1 "(%[pout]) \n\t" \
1270 "usw $0, " #J "(%[ppin]) \n\t" \
1271 "3: \n\t"
1272
QuantizeBlock(int16_t in[16],int16_t out[16],const VP8Matrix * const mtx)1273 static int QuantizeBlock(int16_t in[16], int16_t out[16],
1274 const VP8Matrix* const mtx) {
1275 int temp0, temp1, temp2, temp3, temp4, temp5,temp6;
1276 int sign, coeff, level;
1277 int max_level = MAX_LEVEL;
1278 int max_level1 = max_level << 16 | max_level;
1279 int ret = 0;
1280
1281 int16_t* ppin = &in[0];
1282 int16_t* pout = &out[0];
1283 const uint16_t* ppsharpen = &mtx->sharpen_[0];
1284 const uint32_t* ppzthresh = &mtx->zthresh_[0];
1285 const uint16_t* ppq = &mtx->q_[0];
1286 const uint16_t* ppiq = &mtx->iq_[0];
1287 const uint32_t* ppbias = &mtx->bias_[0];
1288
1289 __asm__ volatile (
1290 QUANTIZE_ONE( 0, 0, 0, 2)
1291 QUANTIZE_ONE( 4, 8, 10, 12)
1292 QUANTIZE_ONE( 8, 16, 4, 8)
1293 QUANTIZE_ONE(12, 24, 14, 24)
1294 QUANTIZE_ONE(16, 32, 6, 16)
1295 QUANTIZE_ONE(20, 40, 22, 26)
1296 QUANTIZE_ONE(24, 48, 18, 20)
1297 QUANTIZE_ONE(28, 56, 28, 30)
1298
1299 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
1300 [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
1301 [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
1302 [sign]"=&r"(sign), [coeff]"=&r"(coeff),
1303 [level]"=&r"(level), [temp6]"=&r"(temp6), [ret]"+&r"(ret)
1304 : [ppin]"r"(ppin), [pout]"r"(pout), [max_level1]"r"(max_level1),
1305 [ppiq]"r"(ppiq), [max_level]"r"(max_level),
1306 [ppbias]"r"(ppbias), [ppzthresh]"r"(ppzthresh),
1307 [ppsharpen]"r"(ppsharpen), [ppq]"r"(ppq)
1308 : "memory", "hi", "lo"
1309 );
1310
1311 return (ret != 0);
1312 }
1313
Quantize2Blocks(int16_t in[32],int16_t out[32],const VP8Matrix * const mtx)1314 static int Quantize2Blocks(int16_t in[32], int16_t out[32],
1315 const VP8Matrix* const mtx) {
1316 int nz;
1317 nz = QuantizeBlock(in + 0 * 16, out + 0 * 16, mtx) << 0;
1318 nz |= QuantizeBlock(in + 1 * 16, out + 1 * 16, mtx) << 1;
1319 return nz;
1320 }
1321
1322 #undef QUANTIZE_ONE
1323
1324 // macro for one horizontal pass in FTransformWHT
1325 // temp0..temp7 holds tmp[0]..tmp[15]
1326 // A, B, C, D - offset in bytes to load from in buffer
1327 // TEMP0, TEMP1 - registers for corresponding tmp elements
1328 #define HORIZONTAL_PASS_WHT(A, B, C, D, TEMP0, TEMP1) \
1329 "lh %[" #TEMP0 "], " #A "(%[in]) \n\t" \
1330 "lh %[" #TEMP1 "], " #B "(%[in]) \n\t" \
1331 "lh %[temp8], " #C "(%[in]) \n\t" \
1332 "lh %[temp9], " #D "(%[in]) \n\t" \
1333 "ins %[" #TEMP1 "], %[" #TEMP0 "], 16, 16 \n\t" \
1334 "ins %[temp9], %[temp8], 16, 16 \n\t" \
1335 "subq.ph %[temp8], %[" #TEMP1 "], %[temp9] \n\t" \
1336 "addq.ph %[temp9], %[" #TEMP1 "], %[temp9] \n\t" \
1337 "precrq.ph.w %[" #TEMP0 "], %[temp8], %[temp9] \n\t" \
1338 "append %[temp8], %[temp9], 16 \n\t" \
1339 "subq.ph %[" #TEMP1 "], %[" #TEMP0 "], %[temp8] \n\t" \
1340 "addq.ph %[" #TEMP0 "], %[" #TEMP0 "], %[temp8] \n\t" \
1341 "rotr %[" #TEMP1 "], %[" #TEMP1 "], 16 \n\t"
1342
1343 // macro for one vertical pass in FTransformWHT
1344 // temp0..temp7 holds tmp[0]..tmp[15]
1345 // A, B, C, D - offsets in bytes to store to out buffer
1346 // TEMP0, TEMP2, TEMP4 and TEMP6 - registers for corresponding tmp elements
1347 #define VERTICAL_PASS_WHT(A, B, C, D, TEMP0, TEMP2, TEMP4, TEMP6) \
1348 "addq.ph %[temp8], %[" #TEMP0 "], %[" #TEMP4 "] \n\t" \
1349 "addq.ph %[temp9], %[" #TEMP2 "], %[" #TEMP6 "] \n\t" \
1350 "subq.ph %[" #TEMP2 "], %[" #TEMP2 "], %[" #TEMP6 "] \n\t" \
1351 "subq.ph %[" #TEMP6 "], %[" #TEMP0 "], %[" #TEMP4 "] \n\t" \
1352 "addqh.ph %[" #TEMP0 "], %[temp8], %[temp9] \n\t" \
1353 "subqh.ph %[" #TEMP4 "], %[" #TEMP6 "], %[" #TEMP2 "] \n\t" \
1354 "addqh.ph %[" #TEMP2 "], %[" #TEMP2 "], %[" #TEMP6 "] \n\t" \
1355 "subqh.ph %[" #TEMP6 "], %[temp8], %[temp9] \n\t" \
1356 "usw %[" #TEMP0 "], " #A "(%[out]) \n\t" \
1357 "usw %[" #TEMP2 "], " #B "(%[out]) \n\t" \
1358 "usw %[" #TEMP4 "], " #C "(%[out]) \n\t" \
1359 "usw %[" #TEMP6 "], " #D "(%[out]) \n\t"
1360
FTransformWHT(const int16_t * in,int16_t * out)1361 static void FTransformWHT(const int16_t* in, int16_t* out) {
1362 int temp0, temp1, temp2, temp3, temp4;
1363 int temp5, temp6, temp7, temp8, temp9;
1364
1365 __asm__ volatile (
1366 HORIZONTAL_PASS_WHT( 0, 32, 64, 96, temp0, temp1)
1367 HORIZONTAL_PASS_WHT(128, 160, 192, 224, temp2, temp3)
1368 HORIZONTAL_PASS_WHT(256, 288, 320, 352, temp4, temp5)
1369 HORIZONTAL_PASS_WHT(384, 416, 448, 480, temp6, temp7)
1370 VERTICAL_PASS_WHT(0, 8, 16, 24, temp0, temp2, temp4, temp6)
1371 VERTICAL_PASS_WHT(4, 12, 20, 28, temp1, temp3, temp5, temp7)
1372 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1373 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
1374 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8),
1375 [temp9]"=&r"(temp9)
1376 : [in]"r"(in), [out]"r"(out)
1377 : "memory"
1378 );
1379 }
1380
1381 #undef VERTICAL_PASS_WHT
1382 #undef HORIZONTAL_PASS_WHT
1383
1384 // macro for converting coefficients to bin
1385 // convert 8 coeffs at time
1386 // A, B, C, D - offsets in bytes to load from out buffer
1387 #define CONVERT_COEFFS_TO_BIN(A, B, C, D) \
1388 "ulw %[temp0], " #A "(%[out]) \n\t" \
1389 "ulw %[temp1], " #B "(%[out]) \n\t" \
1390 "ulw %[temp2], " #C "(%[out]) \n\t" \
1391 "ulw %[temp3], " #D "(%[out]) \n\t" \
1392 "absq_s.ph %[temp0], %[temp0] \n\t" \
1393 "absq_s.ph %[temp1], %[temp1] \n\t" \
1394 "absq_s.ph %[temp2], %[temp2] \n\t" \
1395 "absq_s.ph %[temp3], %[temp3] \n\t" \
1396 "shra.ph %[temp0], %[temp0], 3 \n\t" \
1397 "shra.ph %[temp1], %[temp1], 3 \n\t" \
1398 "shra.ph %[temp2], %[temp2], 3 \n\t" \
1399 "shra.ph %[temp3], %[temp3], 3 \n\t" \
1400 "shll_s.ph %[temp0], %[temp0], 10 \n\t" \
1401 "shll_s.ph %[temp1], %[temp1], 10 \n\t" \
1402 "shll_s.ph %[temp2], %[temp2], 10 \n\t" \
1403 "shll_s.ph %[temp3], %[temp3], 10 \n\t" \
1404 "shrl.ph %[temp0], %[temp0], 10 \n\t" \
1405 "shrl.ph %[temp1], %[temp1], 10 \n\t" \
1406 "shrl.ph %[temp2], %[temp2], 10 \n\t" \
1407 "shrl.ph %[temp3], %[temp3], 10 \n\t" \
1408 "shll.ph %[temp0], %[temp0], 2 \n\t" \
1409 "shll.ph %[temp1], %[temp1], 2 \n\t" \
1410 "shll.ph %[temp2], %[temp2], 2 \n\t" \
1411 "shll.ph %[temp3], %[temp3], 2 \n\t" \
1412 "ext %[temp4], %[temp0], 0, 16 \n\t" \
1413 "ext %[temp0], %[temp0], 16, 16 \n\t" \
1414 "addu %[temp4], %[temp4], %[dist] \n\t" \
1415 "addu %[temp0], %[temp0], %[dist] \n\t" \
1416 "ext %[temp5], %[temp1], 0, 16 \n\t" \
1417 "lw %[temp8], 0(%[temp4]) \n\t" \
1418 "ext %[temp1], %[temp1], 16, 16 \n\t" \
1419 "addu %[temp5], %[temp5], %[dist] \n\t" \
1420 "addiu %[temp8], %[temp8], 1 \n\t" \
1421 "sw %[temp8], 0(%[temp4]) \n\t" \
1422 "lw %[temp8], 0(%[temp0]) \n\t" \
1423 "addu %[temp1], %[temp1], %[dist] \n\t" \
1424 "ext %[temp6], %[temp2], 0, 16 \n\t" \
1425 "addiu %[temp8], %[temp8], 1 \n\t" \
1426 "sw %[temp8], 0(%[temp0]) \n\t" \
1427 "lw %[temp8], 0(%[temp5]) \n\t" \
1428 "ext %[temp2], %[temp2], 16, 16 \n\t" \
1429 "addu %[temp6], %[temp6], %[dist] \n\t" \
1430 "addiu %[temp8], %[temp8], 1 \n\t" \
1431 "sw %[temp8], 0(%[temp5]) \n\t" \
1432 "lw %[temp8], 0(%[temp1]) \n\t" \
1433 "addu %[temp2], %[temp2], %[dist] \n\t" \
1434 "ext %[temp7], %[temp3], 0, 16 \n\t" \
1435 "addiu %[temp8], %[temp8], 1 \n\t" \
1436 "sw %[temp8], 0(%[temp1]) \n\t" \
1437 "lw %[temp8], 0(%[temp6]) \n\t" \
1438 "ext %[temp3], %[temp3], 16, 16 \n\t" \
1439 "addu %[temp7], %[temp7], %[dist] \n\t" \
1440 "addiu %[temp8], %[temp8], 1 \n\t" \
1441 "sw %[temp8], 0(%[temp6]) \n\t" \
1442 "lw %[temp8], 0(%[temp2]) \n\t" \
1443 "addu %[temp3], %[temp3], %[dist] \n\t" \
1444 "addiu %[temp8], %[temp8], 1 \n\t" \
1445 "sw %[temp8], 0(%[temp2]) \n\t" \
1446 "lw %[temp8], 0(%[temp7]) \n\t" \
1447 "addiu %[temp8], %[temp8], 1 \n\t" \
1448 "sw %[temp8], 0(%[temp7]) \n\t" \
1449 "lw %[temp8], 0(%[temp3]) \n\t" \
1450 "addiu %[temp8], %[temp8], 1 \n\t" \
1451 "sw %[temp8], 0(%[temp3]) \n\t"
1452
CollectHistogram(const uint8_t * ref,const uint8_t * pred,int start_block,int end_block,VP8Histogram * const histo)1453 static void CollectHistogram(const uint8_t* ref, const uint8_t* pred,
1454 int start_block, int end_block,
1455 VP8Histogram* const histo) {
1456 int j;
1457 int distribution[MAX_COEFF_THRESH + 1] = { 0 };
1458 const int max_coeff = (MAX_COEFF_THRESH << 16) + MAX_COEFF_THRESH;
1459 for (j = start_block; j < end_block; ++j) {
1460 int16_t out[16];
1461 int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8;
1462
1463 VP8FTransform(ref + VP8DspScan[j], pred + VP8DspScan[j], out);
1464
1465 // Convert coefficients to bin.
1466 __asm__ volatile (
1467 CONVERT_COEFFS_TO_BIN( 0, 4, 8, 12)
1468 CONVERT_COEFFS_TO_BIN(16, 20, 24, 28)
1469 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1470 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
1471 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8)
1472 : [dist]"r"(distribution), [out]"r"(out), [max_coeff]"r"(max_coeff)
1473 : "memory"
1474 );
1475 }
1476 VP8SetHistogramData(distribution, histo);
1477 }
1478
1479 #undef CONVERT_COEFFS_TO_BIN
1480
1481 //------------------------------------------------------------------------------
1482 // Entry point
1483
1484 extern void VP8EncDspInitMIPSdspR2(void);
1485
VP8EncDspInitMIPSdspR2(void)1486 WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitMIPSdspR2(void) {
1487 VP8FTransform = FTransform;
1488 VP8ITransform = ITransform;
1489 VP8TDisto4x4 = Disto4x4;
1490 VP8TDisto16x16 = Disto16x16;
1491 VP8EncPredLuma16 = Intra16Preds;
1492 VP8EncPredChroma8 = IntraChromaPreds;
1493 VP8EncPredLuma4 = Intra4Preds;
1494 #if !defined(WORK_AROUND_GCC)
1495 VP8SSE16x16 = SSE16x16;
1496 VP8SSE8x8 = SSE8x8;
1497 VP8SSE16x8 = SSE16x8;
1498 VP8SSE4x4 = SSE4x4;
1499 #endif
1500 VP8EncQuantizeBlock = QuantizeBlock;
1501 VP8EncQuantize2Blocks = Quantize2Blocks;
1502 VP8FTransformWHT = FTransformWHT;
1503 VP8CollectHistogram = CollectHistogram;
1504 }
1505
1506 #else // !WEBP_USE_MIPS_DSP_R2
1507
1508 WEBP_DSP_INIT_STUB(VP8EncDspInitMIPSdspR2)
1509
1510 #endif // WEBP_USE_MIPS_DSP_R2
1511