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 "src/dsp/dsp.h"
16
17#if defined(WEBP_USE_MIPS_DSP_R2)
18
19#include "src/dsp/mips_macro.h"
20#include "src/enc/cost_enc.h"
21#include "src/enc/vp8i_enc.h"
22
23static const int kC1 = 20091 + (1 << 16);
24static 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
144static void FTransform_MIPSdspR2(const uint8_t* src, const uint8_t* ref,
145 int16_t* out) {
146 const int c2217 = 2217;
147 const int c5352 = 5352;
148 int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8;
149 int temp9, temp10, temp11, temp12, temp13, temp14, temp15, temp16;
150 int temp17, temp18, temp19, temp20;
151 const int* const args[3] =
152 { (const int*)src, (const int*)ref, (const int*)out };
153
154 __asm__ volatile (
155 HORIZONTAL_PASS(0, temp0, temp1, temp2, temp3)
156 HORIZONTAL_PASS(1, temp4, temp5, temp6, temp7)
157 HORIZONTAL_PASS(2, temp8, temp9, temp10, temp11)
158 HORIZONTAL_PASS(3, temp12, temp13, temp14, temp15)
159 "lw %[temp20], 8(%[args]) \n\t"
160 VERTICAL_PASS(0, 8, 16, 24, temp0, temp4, temp8, temp12)
161 VERTICAL_PASS(2, 10, 18, 26, temp1, temp5, temp9, temp13)
162 VERTICAL_PASS(4, 12, 20, 28, temp2, temp6, temp10, temp14)
163 VERTICAL_PASS(6, 14, 22, 30, temp3, temp7, temp11, temp15)
164 OUTPUT_EARLY_CLOBBER_REGS_18(),
165 [temp0]"=&r"(temp0), [temp19]"=&r"(temp19), [temp20]"=&r"(temp20)
166 : [args]"r"(args), [c2217]"r"(c2217), [c5352]"r"(c5352)
167 : "memory", "hi", "lo"
168 );
169}
170
171#undef VERTICAL_PASS
172#undef HORIZONTAL_PASS
173
174static WEBP_INLINE void ITransformOne(const uint8_t* ref, const int16_t* in,
175 uint8_t* dst) {
176 int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9;
177 int temp10, temp11, temp12, temp13, temp14, temp15, temp16, temp17, temp18;
178
179 __asm__ volatile (
180 "ulw %[temp1], 0(%[in]) \n\t"
181 "ulw %[temp2], 16(%[in]) \n\t"
182 LOAD_IN_X2(temp5, temp6, 24, 26)
183 ADD_SUB_HALVES(temp3, temp4, temp1, temp2)
184 LOAD_IN_X2(temp1, temp2, 8, 10)
185 MUL_SHIFT_SUM(temp7, temp8, temp9, temp10, temp11, temp12, temp13, temp14,
186 temp10, temp8, temp9, temp7, temp1, temp2, temp5, temp6,
187 temp13, temp11, temp14, temp12)
188 INSERT_HALF_X2(temp8, temp7, temp10, temp9)
189 "ulw %[temp17], 4(%[in]) \n\t"
190 "ulw %[temp18], 20(%[in]) \n\t"
191 ADD_SUB_HALVES(temp1, temp2, temp3, temp8)
192 ADD_SUB_HALVES(temp5, temp6, temp4, temp7)
193 ADD_SUB_HALVES(temp7, temp8, temp17, temp18)
194 LOAD_IN_X2(temp17, temp18, 12, 14)
195 LOAD_IN_X2(temp9, temp10, 28, 30)
196 MUL_SHIFT_SUM(temp11, temp12, temp13, temp14, temp15, temp16, temp4, temp17,
197 temp12, temp14, temp11, temp13, temp17, temp18, temp9, temp10,
198 temp15, temp4, temp16, temp17)
199 INSERT_HALF_X2(temp11, temp12, temp13, temp14)
200 ADD_SUB_HALVES(temp17, temp8, temp8, temp11)
201 ADD_SUB_HALVES(temp3, temp4, temp7, temp12)
202
203 // horizontal
204 SRA_16(temp9, temp10, temp11, temp12, temp1, temp2, temp5, temp6)
205 INSERT_HALF_X2(temp1, temp6, temp5, temp2)
206 SRA_16(temp13, temp14, temp15, temp16, temp3, temp4, temp17, temp8)
207 "repl.ph %[temp2], 0x4 \n\t"
208 INSERT_HALF_X2(temp3, temp8, temp17, temp4)
209 "addq.ph %[temp1], %[temp1], %[temp2] \n\t"
210 "addq.ph %[temp6], %[temp6], %[temp2] \n\t"
211 ADD_SUB_HALVES(temp2, temp4, temp1, temp3)
212 ADD_SUB_HALVES(temp5, temp7, temp6, temp8)
213 MUL_SHIFT_SUM(temp1, temp3, temp6, temp8, temp9, temp13, temp17, temp18,
214 temp3, temp13, temp1, temp9, temp9, temp13, temp11, temp15,
215 temp6, temp17, temp8, temp18)
216 MUL_SHIFT_SUM(temp6, temp8, temp18, temp17, temp11, temp15, temp12, temp16,
217 temp8, temp15, temp6, temp11, temp12, temp16, temp10, temp14,
218 temp18, temp12, temp17, temp16)
219 INSERT_HALF_X2(temp1, temp3, temp9, temp13)
220 INSERT_HALF_X2(temp6, temp8, temp11, temp15)
221 SHIFT_R_SUM_X2(temp9, temp10, temp11, temp12, temp13, temp14, temp15,
222 temp16, temp2, temp4, temp5, temp7, temp3, temp1, temp8,
223 temp6)
224 PACK_2_HALVES_TO_WORD(temp1, temp2, temp3, temp4, temp9, temp12, temp13,
225 temp16, temp11, temp10, temp15, temp14)
226 LOAD_WITH_OFFSET_X4(temp10, temp11, temp14, temp15, ref,
227 0, 0, 0, 0,
228 0, 1, 2, 3,
229 BPS)
230 CONVERT_2_BYTES_TO_HALF(temp5, temp6, temp7, temp8, temp17, temp18, temp10,
231 temp11, temp10, temp11, temp14, temp15)
232 STORE_SAT_SUM_X2(temp5, temp6, temp7, temp8, temp17, temp18, temp10, temp11,
233 temp9, temp12, temp1, temp2, temp13, temp16, temp3, temp4,
234 dst, 0, 1, 2, 3, BPS)
235
236 OUTPUT_EARLY_CLOBBER_REGS_18()
237 : [dst]"r"(dst), [in]"r"(in), [kC1]"r"(kC1), [kC2]"r"(kC2), [ref]"r"(ref)
238 : "memory", "hi", "lo"
239 );
240}
241
242static void ITransform_MIPSdspR2(const uint8_t* ref, const int16_t* in,
243 uint8_t* dst, int do_two) {
244 ITransformOne(ref, in, dst);
245 if (do_two) {
246 ITransformOne(ref + 4, in + 16, dst + 4);
247 }
248}
249
250static int Disto4x4_MIPSdspR2(const uint8_t* const a, const uint8_t* const b,
251 const uint16_t* const w) {
252 int temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9;
253 int temp10, temp11, temp12, temp13, temp14, temp15, temp16, temp17;
254
255 __asm__ volatile (
256 LOAD_WITH_OFFSET_X4(temp1, temp2, temp3, temp4, a,
257 0, 0, 0, 0,
258 0, 1, 2, 3,
259 BPS)
260 CONVERT_2_BYTES_TO_HALF(temp5, temp6, temp7, temp8, temp9,temp10, temp11,
261 temp12, temp1, temp2, temp3, temp4)
262 ADD_SUB_HALVES_X4(temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8,
263 temp5, temp6, temp7, temp8, temp9, temp10, temp11, temp12)
264 PACK_2_HALVES_TO_WORD(temp9, temp10, temp11, temp12, temp1, temp3, temp5,
265 temp7, temp2, temp4, temp6, temp8)
266 ADD_SUB_HALVES_X4(temp2, temp4, temp6, temp8, temp9, temp1, temp3, temp10,
267 temp1, temp9, temp3, temp10, temp5, temp11, temp7, temp12)
268 ADD_SUB_HALVES_X4(temp5, temp11, temp7, temp2, temp9, temp3, temp6, temp12,
269 temp2, temp9, temp6, temp3, temp4, temp1, temp8, temp10)
270 ADD_SUB_HALVES_X4(temp1, temp4, temp10, temp8, temp7, temp11, temp5, temp2,
271 temp5, temp7, temp11, temp2, temp9, temp6, temp3, temp12)
272 ABS_X8(temp1, temp4, temp10, temp8, temp7, temp11, temp5, temp2)
273 LOAD_WITH_OFFSET_X4(temp3, temp6, temp9, temp12, w,
274 0, 4, 8, 12,
275 0, 0, 0, 0,
276 0)
277 LOAD_WITH_OFFSET_X4(temp13, temp14, temp15, temp16, w,
278 0, 4, 8, 12,
279 1, 1, 1, 1,
280 16)
281 MUL_HALF(temp17, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8,
282 temp9, temp10, temp11, temp12, temp13, temp14, temp15, temp16)
283 LOAD_WITH_OFFSET_X4(temp1, temp2, temp3, temp4, b,
284 0, 0, 0, 0,
285 0, 1, 2, 3,
286 BPS)
287 CONVERT_2_BYTES_TO_HALF(temp5,temp6, temp7, temp8, temp9,temp10, temp11,
288 temp12, temp1, temp2, temp3, temp4)
289 ADD_SUB_HALVES_X4(temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8,
290 temp5, temp6, temp7, temp8, temp9, temp10, temp11, temp12)
291 PACK_2_HALVES_TO_WORD(temp9, temp10, temp11, temp12, temp1, temp3, temp5,
292 temp7, temp2, temp4, temp6, temp8)
293 ADD_SUB_HALVES_X4(temp2, temp4, temp6, temp8, temp9, temp1, temp3, temp10,
294 temp1, temp9, temp3, temp10, temp5, temp11, temp7, temp12)
295 ADD_SUB_HALVES_X4(temp5, temp11, temp7, temp2, temp9, temp3, temp6, temp12,
296 temp2, temp9, temp6, temp3, temp4, temp1, temp8, temp10)
297 ADD_SUB_HALVES_X4(temp1, temp4, temp10, temp8, temp7, temp11, temp5, temp2,
298 temp5, temp7, temp11, temp2, temp9, temp6, temp3, temp12)
299 ABS_X8(temp1, temp4, temp10, temp8, temp7, temp11, temp5, temp2)
300 LOAD_WITH_OFFSET_X4(temp3, temp6, temp9, temp12, w,
301 0, 4, 8, 12,
302 0, 0, 0, 0,
303 0)
304 LOAD_WITH_OFFSET_X4(temp13, temp14, temp15, temp16, w,
305 0, 4, 8, 12,
306 1, 1, 1, 1,
307 16)
308 MUL_HALF(temp3, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8,
309 temp9, temp10, temp11, temp12, temp13, temp14, temp15, temp16)
310 OUTPUT_EARLY_CLOBBER_REGS_17()
311 : [a]"r"(a), [b]"r"(b), [w]"r"(w)
312 : "memory", "hi", "lo"
313 );
314 return abs(temp3 - temp17) >> 5;
315}
316
317static int Disto16x16_MIPSdspR2(const uint8_t* const a,
318 const uint8_t* const b,
319 const uint16_t* const w) {
320 int D = 0;
321 int x, y;
322 for (y = 0; y < 16 * BPS; y += 4 * BPS) {
323 for (x = 0; x < 16; x += 4) {
324 D += Disto4x4_MIPSdspR2(a + x + y, b + x + y, w);
325 }
326 }
327 return D;
328}
329
330//------------------------------------------------------------------------------
331// Intra predictions
332
333#define FILL_PART(J, SIZE) \
334 "usw %[value], 0+" #J "*" XSTR(BPS) "(%[dst]) \n\t" \
335 "usw %[value], 4+" #J "*" XSTR(BPS) "(%[dst]) \n\t" \
336 ".if " #SIZE " == 16 \n\t" \
337 "usw %[value], 8+" #J "*" XSTR(BPS) "(%[dst]) \n\t" \
338 "usw %[value], 12+" #J "*" XSTR(BPS) "(%[dst]) \n\t" \
339 ".endif \n\t"
340
341#define FILL_8_OR_16(DST, VALUE, SIZE) do { \
342 int value = (VALUE); \
343 __asm__ volatile ( \
344 "replv.qb %[value], %[value] \n\t" \
345 FILL_PART( 0, SIZE) \
346 FILL_PART( 1, SIZE) \
347 FILL_PART( 2, SIZE) \
348 FILL_PART( 3, SIZE) \
349 FILL_PART( 4, SIZE) \
350 FILL_PART( 5, SIZE) \
351 FILL_PART( 6, SIZE) \
352 FILL_PART( 7, SIZE) \
353 ".if " #SIZE " == 16 \n\t" \
354 FILL_PART( 8, 16) \
355 FILL_PART( 9, 16) \
356 FILL_PART(10, 16) \
357 FILL_PART(11, 16) \
358 FILL_PART(12, 16) \
359 FILL_PART(13, 16) \
360 FILL_PART(14, 16) \
361 FILL_PART(15, 16) \
362 ".endif \n\t" \
363 : [value]"+&r"(value) \
364 : [dst]"r"((DST)) \
365 : "memory" \
366 ); \
367} while (0)
368
369#define VERTICAL_PRED(DST, TOP, SIZE) \
370static WEBP_INLINE void VerticalPred##SIZE(uint8_t* (DST), \
371 const uint8_t* (TOP)) { \
372 int j; \
373 if ((TOP)) { \
374 for (j = 0; j < (SIZE); ++j) memcpy((DST) + j * BPS, (TOP), (SIZE)); \
375 } else { \
376 FILL_8_OR_16((DST), 127, (SIZE)); \
377 } \
378}
379
380VERTICAL_PRED(dst, top, 8)
381VERTICAL_PRED(dst, top, 16)
382
383#undef VERTICAL_PRED
384
385#define HORIZONTAL_PRED(DST, LEFT, SIZE) \
386static WEBP_INLINE void HorizontalPred##SIZE(uint8_t* (DST), \
387 const uint8_t* (LEFT)) { \
388 if (LEFT) { \
389 int j; \
390 for (j = 0; j < (SIZE); ++j) { \
391 memset((DST) + j * BPS, (LEFT)[j], (SIZE)); \
392 } \
393 } else { \
394 FILL_8_OR_16((DST), 129, (SIZE)); \
395 } \
396}
397
398HORIZONTAL_PRED(dst, left, 8)
399HORIZONTAL_PRED(dst, left, 16)
400
401#undef HORIZONTAL_PRED
402
403#define CLIPPING() \
404 "preceu.ph.qbl %[temp2], %[temp0] \n\t" \
405 "preceu.ph.qbr %[temp0], %[temp0] \n\t" \
406 "preceu.ph.qbl %[temp3], %[temp1] \n\t" \
407 "preceu.ph.qbr %[temp1], %[temp1] \n\t" \
408 "addu.ph %[temp2], %[temp2], %[leftY_1] \n\t" \
409 "addu.ph %[temp0], %[temp0], %[leftY_1] \n\t" \
410 "addu.ph %[temp3], %[temp3], %[leftY_1] \n\t" \
411 "addu.ph %[temp1], %[temp1], %[leftY_1] \n\t" \
412 "shll_s.ph %[temp2], %[temp2], 7 \n\t" \
413 "shll_s.ph %[temp0], %[temp0], 7 \n\t" \
414 "shll_s.ph %[temp3], %[temp3], 7 \n\t" \
415 "shll_s.ph %[temp1], %[temp1], 7 \n\t" \
416 "precrqu_s.qb.ph %[temp0], %[temp2], %[temp0] \n\t" \
417 "precrqu_s.qb.ph %[temp1], %[temp3], %[temp1] \n\t"
418
419#define CLIP_8B_TO_DST(DST, LEFT, TOP, SIZE) do { \
420 int leftY_1 = ((int)(LEFT)[y] << 16) + (LEFT)[y]; \
421 int temp0, temp1, temp2, temp3; \
422 __asm__ volatile ( \
423 "replv.ph %[leftY_1], %[leftY_1] \n\t" \
424 "ulw %[temp0], 0(%[top]) \n\t" \
425 "ulw %[temp1], 4(%[top]) \n\t" \
426 "subu.ph %[leftY_1], %[leftY_1], %[left_1] \n\t" \
427 CLIPPING() \
428 "usw %[temp0], 0(%[dst]) \n\t" \
429 "usw %[temp1], 4(%[dst]) \n\t" \
430 ".if " #SIZE " == 16 \n\t" \
431 "ulw %[temp0], 8(%[top]) \n\t" \
432 "ulw %[temp1], 12(%[top]) \n\t" \
433 CLIPPING() \
434 "usw %[temp0], 8(%[dst]) \n\t" \
435 "usw %[temp1], 12(%[dst]) \n\t" \
436 ".endif \n\t" \
437 : [leftY_1]"+&r"(leftY_1), [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), \
438 [temp2]"=&r"(temp2), [temp3]"=&r"(temp3) \
439 : [left_1]"r"(left_1), [top]"r"((TOP)), [dst]"r"((DST)) \
440 : "memory" \
441 ); \
442} while (0)
443
444#define CLIP_TO_DST(DST, LEFT, TOP, SIZE) do { \
445 int y; \
446 const int left_1 = ((int)(LEFT)[-1] << 16) + (LEFT)[-1]; \
447 for (y = 0; y < (SIZE); ++y) { \
448 CLIP_8B_TO_DST((DST), (LEFT), (TOP), (SIZE)); \
449 (DST) += BPS; \
450 } \
451} while (0)
452
453#define TRUE_MOTION(DST, LEFT, TOP, SIZE) \
454static WEBP_INLINE void TrueMotion##SIZE(uint8_t* (DST), const uint8_t* (LEFT),\
455 const uint8_t* (TOP)) { \
456 if ((LEFT) != NULL) { \
457 if ((TOP) != NULL) { \
458 CLIP_TO_DST((DST), (LEFT), (TOP), (SIZE)); \
459 } else { \
460 HorizontalPred##SIZE((DST), (LEFT)); \
461 } \
462 } else { \
463 /* true motion without left samples (hence: with default 129 value) */ \
464 /* is equivalent to VE prediction where you just copy the top samples. */ \
465 /* Note that if top samples are not available, the default value is */ \
466 /* then 129, and not 127 as in the VerticalPred case. */ \
467 if ((TOP) != NULL) { \
468 VerticalPred##SIZE((DST), (TOP)); \
469 } else { \
470 FILL_8_OR_16((DST), 129, (SIZE)); \
471 } \
472 } \
473}
474
475TRUE_MOTION(dst, left, top, 8)
476TRUE_MOTION(dst, left, top, 16)
477
478#undef TRUE_MOTION
479#undef CLIP_TO_DST
480#undef CLIP_8B_TO_DST
481#undef CLIPPING
482
483static WEBP_INLINE void DCMode16(uint8_t* dst, const uint8_t* left,
484 const uint8_t* top) {
485 int DC, DC1;
486 int temp0, temp1, temp2, temp3;
487
488 __asm__ volatile(
489 "beqz %[top], 2f \n\t"
490 LOAD_WITH_OFFSET_X4(temp0, temp1, temp2, temp3, top,
491 0, 4, 8, 12,
492 0, 0, 0, 0,
493 0)
494 "raddu.w.qb %[temp0], %[temp0] \n\t"
495 "raddu.w.qb %[temp1], %[temp1] \n\t"
496 "raddu.w.qb %[temp2], %[temp2] \n\t"
497 "raddu.w.qb %[temp3], %[temp3] \n\t"
498 "addu %[temp0], %[temp0], %[temp1] \n\t"
499 "addu %[temp2], %[temp2], %[temp3] \n\t"
500 "addu %[DC], %[temp0], %[temp2] \n\t"
501 "move %[DC1], %[DC] \n\t"
502 "beqz %[left], 1f \n\t"
503 LOAD_WITH_OFFSET_X4(temp0, temp1, temp2, temp3, left,
504 0, 4, 8, 12,
505 0, 0, 0, 0,
506 0)
507 "raddu.w.qb %[temp0], %[temp0] \n\t"
508 "raddu.w.qb %[temp1], %[temp1] \n\t"
509 "raddu.w.qb %[temp2], %[temp2] \n\t"
510 "raddu.w.qb %[temp3], %[temp3] \n\t"
511 "addu %[temp0], %[temp0], %[temp1] \n\t"
512 "addu %[temp2], %[temp2], %[temp3] \n\t"
513 "addu %[DC1], %[temp0], %[temp2] \n\t"
514 "1: \n\t"
515 "addu %[DC], %[DC], %[DC1] \n\t"
516 "j 3f \n\t"
517 "2: \n\t"
518 "beqz %[left], 4f \n\t"
519 LOAD_WITH_OFFSET_X4(temp0, temp1, temp2, temp3, left,
520 0, 4, 8, 12,
521 0, 0, 0, 0,
522 0)
523 "raddu.w.qb %[temp0], %[temp0] \n\t"
524 "raddu.w.qb %[temp1], %[temp1] \n\t"
525 "raddu.w.qb %[temp2], %[temp2] \n\t"
526 "raddu.w.qb %[temp3], %[temp3] \n\t"
527 "addu %[temp0], %[temp0], %[temp1] \n\t"
528 "addu %[temp2], %[temp2], %[temp3] \n\t"
529 "addu %[DC], %[temp0], %[temp2] \n\t"
530 "addu %[DC], %[DC], %[DC] \n\t"
531 "3: \n\t"
532 "shra_r.w %[DC], %[DC], 5 \n\t"
533 "j 5f \n\t"
534 "4: \n\t"
535 "li %[DC], 0x80 \n\t"
536 "5: \n\t"
537 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [DC]"=&r"(DC),
538 [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [DC1]"=&r"(DC1)
539 : [left]"r"(left), [top]"r"(top)
540 : "memory"
541 );
542
543 FILL_8_OR_16(dst, DC, 16);
544}
545
546static WEBP_INLINE void DCMode8(uint8_t* dst, const uint8_t* left,
547 const uint8_t* top) {
548 int DC, DC1;
549 int temp0, temp1, temp2, temp3;
550
551 __asm__ volatile(
552 "beqz %[top], 2f \n\t"
553 "ulw %[temp0], 0(%[top]) \n\t"
554 "ulw %[temp1], 4(%[top]) \n\t"
555 "raddu.w.qb %[temp0], %[temp0] \n\t"
556 "raddu.w.qb %[temp1], %[temp1] \n\t"
557 "addu %[DC], %[temp0], %[temp1] \n\t"
558 "move %[DC1], %[DC] \n\t"
559 "beqz %[left], 1f \n\t"
560 "ulw %[temp2], 0(%[left]) \n\t"
561 "ulw %[temp3], 4(%[left]) \n\t"
562 "raddu.w.qb %[temp2], %[temp2] \n\t"
563 "raddu.w.qb %[temp3], %[temp3] \n\t"
564 "addu %[DC1], %[temp2], %[temp3] \n\t"
565 "1: \n\t"
566 "addu %[DC], %[DC], %[DC1] \n\t"
567 "j 3f \n\t"
568 "2: \n\t"
569 "beqz %[left], 4f \n\t"
570 "ulw %[temp2], 0(%[left]) \n\t"
571 "ulw %[temp3], 4(%[left]) \n\t"
572 "raddu.w.qb %[temp2], %[temp2] \n\t"
573 "raddu.w.qb %[temp3], %[temp3] \n\t"
574 "addu %[DC], %[temp2], %[temp3] \n\t"
575 "addu %[DC], %[DC], %[DC] \n\t"
576 "3: \n\t"
577 "shra_r.w %[DC], %[DC], 4 \n\t"
578 "j 5f \n\t"
579 "4: \n\t"
580 "li %[DC], 0x80 \n\t"
581 "5: \n\t"
582 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [DC]"=&r"(DC),
583 [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), [DC1]"=&r"(DC1)
584 : [left]"r"(left), [top]"r"(top)
585 : "memory"
586 );
587
588 FILL_8_OR_16(dst, DC, 8);
589}
590
591static void DC4(uint8_t* dst, const uint8_t* top) {
592 int temp0, temp1;
593 __asm__ volatile(
594 "ulw %[temp0], 0(%[top]) \n\t"
595 "ulw %[temp1], -5(%[top]) \n\t"
596 "raddu.w.qb %[temp0], %[temp0] \n\t"
597 "raddu.w.qb %[temp1], %[temp1] \n\t"
598 "addu %[temp0], %[temp0], %[temp1] \n\t"
599 "addiu %[temp0], %[temp0], 4 \n\t"
600 "srl %[temp0], %[temp0], 3 \n\t"
601 "replv.qb %[temp0], %[temp0] \n\t"
602 "usw %[temp0], 0*" XSTR(BPS) "(%[dst]) \n\t"
603 "usw %[temp0], 1*" XSTR(BPS) "(%[dst]) \n\t"
604 "usw %[temp0], 2*" XSTR(BPS) "(%[dst]) \n\t"
605 "usw %[temp0], 3*" XSTR(BPS) "(%[dst]) \n\t"
606 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1)
607 : [top]"r"(top), [dst]"r"(dst)
608 : "memory"
609 );
610}
611
612static void TM4(uint8_t* dst, const uint8_t* top) {
613 int a10, a32, temp0, temp1, temp2, temp3, temp4, temp5;
614 const int c35 = 0xff00ff;
615 __asm__ volatile (
616 "lbu %[temp1], 0(%[top]) \n\t"
617 "lbu %[a10], 1(%[top]) \n\t"
618 "lbu %[temp2], 2(%[top]) \n\t"
619 "lbu %[a32], 3(%[top]) \n\t"
620 "ulw %[temp0], -5(%[top]) \n\t"
621 "lbu %[temp4], -1(%[top]) \n\t"
622 "append %[a10], %[temp1], 16 \n\t"
623 "append %[a32], %[temp2], 16 \n\t"
624 "replv.ph %[temp4], %[temp4] \n\t"
625 "shrl.ph %[temp1], %[temp0], 8 \n\t"
626 "and %[temp0], %[temp0], %[c35] \n\t"
627 "subu.ph %[temp1], %[temp1], %[temp4] \n\t"
628 "subu.ph %[temp0], %[temp0], %[temp4] \n\t"
629 "srl %[temp2], %[temp1], 16 \n\t"
630 "srl %[temp3], %[temp0], 16 \n\t"
631 "replv.ph %[temp2], %[temp2] \n\t"
632 "replv.ph %[temp3], %[temp3] \n\t"
633 "replv.ph %[temp4], %[temp1] \n\t"
634 "replv.ph %[temp5], %[temp0] \n\t"
635 "addu.ph %[temp0], %[temp3], %[a10] \n\t"
636 "addu.ph %[temp1], %[temp3], %[a32] \n\t"
637 "addu.ph %[temp3], %[temp2], %[a10] \n\t"
638 "addu.ph %[temp2], %[temp2], %[a32] \n\t"
639 "shll_s.ph %[temp0], %[temp0], 7 \n\t"
640 "shll_s.ph %[temp1], %[temp1], 7 \n\t"
641 "shll_s.ph %[temp3], %[temp3], 7 \n\t"
642 "shll_s.ph %[temp2], %[temp2], 7 \n\t"
643 "precrqu_s.qb.ph %[temp0], %[temp1], %[temp0] \n\t"
644 "precrqu_s.qb.ph %[temp1], %[temp2], %[temp3] \n\t"
645 "addu.ph %[temp2], %[temp5], %[a10] \n\t"
646 "addu.ph %[temp3], %[temp5], %[a32] \n\t"
647 "addu.ph %[temp5], %[temp4], %[a10] \n\t"
648 "addu.ph %[temp4], %[temp4], %[a32] \n\t"
649 "shll_s.ph %[temp2], %[temp2], 7 \n\t"
650 "shll_s.ph %[temp3], %[temp3], 7 \n\t"
651 "shll_s.ph %[temp4], %[temp4], 7 \n\t"
652 "shll_s.ph %[temp5], %[temp5], 7 \n\t"
653 "precrqu_s.qb.ph %[temp2], %[temp3], %[temp2] \n\t"
654 "precrqu_s.qb.ph %[temp3], %[temp4], %[temp5] \n\t"
655 "usw %[temp1], 0*" XSTR(BPS) "(%[dst]) \n\t"
656 "usw %[temp0], 1*" XSTR(BPS) "(%[dst]) \n\t"
657 "usw %[temp3], 2*" XSTR(BPS) "(%[dst]) \n\t"
658 "usw %[temp2], 3*" XSTR(BPS) "(%[dst]) \n\t"
659 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
660 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
661 [a10]"=&r"(a10), [a32]"=&r"(a32)
662 : [c35]"r"(c35), [top]"r"(top), [dst]"r"(dst)
663 : "memory"
664 );
665}
666
667static void VE4(uint8_t* dst, const uint8_t* top) {
668 int temp0, temp1, temp2, temp3, temp4, temp5, temp6;
669 __asm__ volatile(
670 "ulw %[temp0], -1(%[top]) \n\t"
671 "ulh %[temp1], 3(%[top]) \n\t"
672 "preceu.ph.qbr %[temp2], %[temp0] \n\t"
673 "preceu.ph.qbl %[temp3], %[temp0] \n\t"
674 "preceu.ph.qbr %[temp4], %[temp1] \n\t"
675 "packrl.ph %[temp5], %[temp3], %[temp2] \n\t"
676 "packrl.ph %[temp6], %[temp4], %[temp3] \n\t"
677 "shll.ph %[temp5], %[temp5], 1 \n\t"
678 "shll.ph %[temp6], %[temp6], 1 \n\t"
679 "addq.ph %[temp2], %[temp5], %[temp2] \n\t"
680 "addq.ph %[temp6], %[temp6], %[temp4] \n\t"
681 "addq.ph %[temp2], %[temp2], %[temp3] \n\t"
682 "addq.ph %[temp6], %[temp6], %[temp3] \n\t"
683 "shra_r.ph %[temp2], %[temp2], 2 \n\t"
684 "shra_r.ph %[temp6], %[temp6], 2 \n\t"
685 "precr.qb.ph %[temp4], %[temp6], %[temp2] \n\t"
686 "usw %[temp4], 0*" XSTR(BPS) "(%[dst]) \n\t"
687 "usw %[temp4], 1*" XSTR(BPS) "(%[dst]) \n\t"
688 "usw %[temp4], 2*" XSTR(BPS) "(%[dst]) \n\t"
689 "usw %[temp4], 3*" XSTR(BPS) "(%[dst]) \n\t"
690 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
691 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
692 [temp6]"=&r"(temp6)
693 : [top]"r"(top), [dst]"r"(dst)
694 : "memory"
695 );
696}
697
698static void HE4(uint8_t* dst, const uint8_t* top) {
699 int temp0, temp1, temp2, temp3, temp4, temp5, temp6;
700 __asm__ volatile(
701 "ulw %[temp0], -4(%[top]) \n\t"
702 "lbu %[temp1], -5(%[top]) \n\t"
703 "preceu.ph.qbr %[temp2], %[temp0] \n\t"
704 "preceu.ph.qbl %[temp3], %[temp0] \n\t"
705 "replv.ph %[temp4], %[temp1] \n\t"
706 "packrl.ph %[temp5], %[temp3], %[temp2] \n\t"
707 "packrl.ph %[temp6], %[temp2], %[temp4] \n\t"
708 "shll.ph %[temp5], %[temp5], 1 \n\t"
709 "shll.ph %[temp6], %[temp6], 1 \n\t"
710 "addq.ph %[temp3], %[temp3], %[temp5] \n\t"
711 "addq.ph %[temp3], %[temp3], %[temp2] \n\t"
712 "addq.ph %[temp2], %[temp2], %[temp6] \n\t"
713 "addq.ph %[temp2], %[temp2], %[temp4] \n\t"
714 "shra_r.ph %[temp3], %[temp3], 2 \n\t"
715 "shra_r.ph %[temp2], %[temp2], 2 \n\t"
716 "replv.qb %[temp0], %[temp3] \n\t"
717 "replv.qb %[temp1], %[temp2] \n\t"
718 "srl %[temp3], %[temp3], 16 \n\t"
719 "srl %[temp2], %[temp2], 16 \n\t"
720 "replv.qb %[temp3], %[temp3] \n\t"
721 "replv.qb %[temp2], %[temp2] \n\t"
722 "usw %[temp3], 0*" XSTR(BPS) "(%[dst]) \n\t"
723 "usw %[temp0], 1*" XSTR(BPS) "(%[dst]) \n\t"
724 "usw %[temp2], 2*" XSTR(BPS) "(%[dst]) \n\t"
725 "usw %[temp1], 3*" XSTR(BPS) "(%[dst]) \n\t"
726 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
727 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
728 [temp6]"=&r"(temp6)
729 : [top]"r"(top), [dst]"r"(dst)
730 : "memory"
731 );
732}
733
734static void RD4(uint8_t* dst, const uint8_t* top) {
735 int temp0, temp1, temp2, temp3, temp4, temp5;
736 int temp6, temp7, temp8, temp9, temp10, temp11;
737 __asm__ volatile(
738 "ulw %[temp0], -5(%[top]) \n\t"
739 "ulw %[temp1], -1(%[top]) \n\t"
740 "preceu.ph.qbl %[temp2], %[temp0] \n\t"
741 "preceu.ph.qbr %[temp3], %[temp0] \n\t"
742 "preceu.ph.qbr %[temp4], %[temp1] \n\t"
743 "preceu.ph.qbl %[temp5], %[temp1] \n\t"
744 "packrl.ph %[temp6], %[temp2], %[temp3] \n\t"
745 "packrl.ph %[temp7], %[temp4], %[temp2] \n\t"
746 "packrl.ph %[temp8], %[temp5], %[temp4] \n\t"
747 "shll.ph %[temp6], %[temp6], 1 \n\t"
748 "addq.ph %[temp9], %[temp2], %[temp6] \n\t"
749 "shll.ph %[temp7], %[temp7], 1 \n\t"
750 "addq.ph %[temp9], %[temp9], %[temp3] \n\t"
751 "shll.ph %[temp8], %[temp8], 1 \n\t"
752 "shra_r.ph %[temp9], %[temp9], 2 \n\t"
753 "addq.ph %[temp10], %[temp4], %[temp7] \n\t"
754 "addq.ph %[temp11], %[temp5], %[temp8] \n\t"
755 "addq.ph %[temp10], %[temp10], %[temp2] \n\t"
756 "addq.ph %[temp11], %[temp11], %[temp4] \n\t"
757 "shra_r.ph %[temp10], %[temp10], 2 \n\t"
758 "shra_r.ph %[temp11], %[temp11], 2 \n\t"
759 "lbu %[temp0], 3(%[top]) \n\t"
760 "lbu %[temp1], 2(%[top]) \n\t"
761 "lbu %[temp2], 1(%[top]) \n\t"
762 "sll %[temp1], %[temp1], 1 \n\t"
763 "addu %[temp0], %[temp0], %[temp1] \n\t"
764 "addu %[temp0], %[temp0], %[temp2] \n\t"
765 "precr.qb.ph %[temp9], %[temp10], %[temp9] \n\t"
766 "shra_r.w %[temp0], %[temp0], 2 \n\t"
767 "precr.qb.ph %[temp10], %[temp11], %[temp10] \n\t"
768 "usw %[temp9], 3*" XSTR(BPS) "(%[dst]) \n\t"
769 "usw %[temp10], 1*" XSTR(BPS) "(%[dst]) \n\t"
770 "prepend %[temp9], %[temp11], 8 \n\t"
771 "prepend %[temp10], %[temp0], 8 \n\t"
772 "usw %[temp9], 2*" XSTR(BPS) "(%[dst]) \n\t"
773 "usw %[temp10], 0*" XSTR(BPS) "(%[dst]) \n\t"
774 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
775 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
776 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8),
777 [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), [temp11]"=&r"(temp11)
778 : [top]"r"(top), [dst]"r"(dst)
779 : "memory"
780 );
781}
782
783static void VR4(uint8_t* dst, const uint8_t* top) {
784 int temp0, temp1, temp2, temp3, temp4;
785 int temp5, temp6, temp7, temp8, temp9;
786 __asm__ volatile (
787 "ulw %[temp0], -4(%[top]) \n\t"
788 "ulw %[temp1], 0(%[top]) \n\t"
789 "preceu.ph.qbl %[temp2], %[temp0] \n\t"
790 "preceu.ph.qbr %[temp0], %[temp0] \n\t"
791 "preceu.ph.qbla %[temp3], %[temp1] \n\t"
792 "preceu.ph.qbra %[temp1], %[temp1] \n\t"
793 "packrl.ph %[temp7], %[temp3], %[temp2] \n\t"
794 "addqh_r.ph %[temp4], %[temp1], %[temp3] \n\t"
795 "move %[temp6], %[temp1] \n\t"
796 "append %[temp1], %[temp2], 16 \n\t"
797 "shll.ph %[temp9], %[temp6], 1 \n\t"
798 "addqh_r.ph %[temp5], %[temp7], %[temp6] \n\t"
799 "shll.ph %[temp8], %[temp7], 1 \n\t"
800 "addu.ph %[temp3], %[temp7], %[temp3] \n\t"
801 "addu.ph %[temp1], %[temp1], %[temp6] \n\t"
802 "packrl.ph %[temp7], %[temp2], %[temp0] \n\t"
803 "addu.ph %[temp6], %[temp0], %[temp2] \n\t"
804 "addu.ph %[temp3], %[temp3], %[temp9] \n\t"
805 "addu.ph %[temp1], %[temp1], %[temp8] \n\t"
806 "shll.ph %[temp7], %[temp7], 1 \n\t"
807 "shra_r.ph %[temp3], %[temp3], 2 \n\t"
808 "shra_r.ph %[temp1], %[temp1], 2 \n\t"
809 "addu.ph %[temp6], %[temp6], %[temp7] \n\t"
810 "shra_r.ph %[temp6], %[temp6], 2 \n\t"
811 "precrq.ph.w %[temp8], %[temp4], %[temp5] \n\t"
812 "append %[temp4], %[temp5], 16 \n\t"
813 "precrq.ph.w %[temp2], %[temp3], %[temp1] \n\t"
814 "append %[temp3], %[temp1], 16 \n\t"
815 "precr.qb.ph %[temp8], %[temp8], %[temp4] \n\t"
816 "precr.qb.ph %[temp3], %[temp2], %[temp3] \n\t"
817 "usw %[temp8], 0*" XSTR(BPS) "(%[dst]) \n\t"
818 "usw %[temp3], 1*" XSTR(BPS) "(%[dst]) \n\t"
819 "append %[temp3], %[temp6], 8 \n\t"
820 "srl %[temp6], %[temp6], 16 \n\t"
821 "append %[temp8], %[temp6], 8 \n\t"
822 "usw %[temp3], 3*" XSTR(BPS) "(%[dst]) \n\t"
823 "usw %[temp8], 2*" XSTR(BPS) "(%[dst]) \n\t"
824 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
825 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
826 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8),
827 [temp9]"=&r"(temp9)
828 : [top]"r"(top), [dst]"r"(dst)
829 : "memory"
830 );
831}
832
833static void LD4(uint8_t* dst, const uint8_t* top) {
834 int temp0, temp1, temp2, temp3, temp4, temp5;
835 int temp6, temp7, temp8, temp9, temp10, temp11;
836 __asm__ volatile(
837 "ulw %[temp0], 0(%[top]) \n\t"
838 "ulw %[temp1], 4(%[top]) \n\t"
839 "preceu.ph.qbl %[temp2], %[temp0] \n\t"
840 "preceu.ph.qbr %[temp3], %[temp0] \n\t"
841 "preceu.ph.qbr %[temp4], %[temp1] \n\t"
842 "preceu.ph.qbl %[temp5], %[temp1] \n\t"
843 "packrl.ph %[temp6], %[temp2], %[temp3] \n\t"
844 "packrl.ph %[temp7], %[temp4], %[temp2] \n\t"
845 "packrl.ph %[temp8], %[temp5], %[temp4] \n\t"
846 "shll.ph %[temp6], %[temp6], 1 \n\t"
847 "addq.ph %[temp9], %[temp2], %[temp6] \n\t"
848 "shll.ph %[temp7], %[temp7], 1 \n\t"
849 "addq.ph %[temp9], %[temp9], %[temp3] \n\t"
850 "shll.ph %[temp8], %[temp8], 1 \n\t"
851 "shra_r.ph %[temp9], %[temp9], 2 \n\t"
852 "addq.ph %[temp10], %[temp4], %[temp7] \n\t"
853 "addq.ph %[temp11], %[temp5], %[temp8] \n\t"
854 "addq.ph %[temp10], %[temp10], %[temp2] \n\t"
855 "addq.ph %[temp11], %[temp11], %[temp4] \n\t"
856 "shra_r.ph %[temp10], %[temp10], 2 \n\t"
857 "shra_r.ph %[temp11], %[temp11], 2 \n\t"
858 "srl %[temp1], %[temp1], 24 \n\t"
859 "sll %[temp1], %[temp1], 1 \n\t"
860 "raddu.w.qb %[temp5], %[temp5] \n\t"
861 "precr.qb.ph %[temp9], %[temp10], %[temp9] \n\t"
862 "precr.qb.ph %[temp10], %[temp11], %[temp10] \n\t"
863 "addu %[temp1], %[temp1], %[temp5] \n\t"
864 "shra_r.w %[temp1], %[temp1], 2 \n\t"
865 "usw %[temp9], 0*" XSTR(BPS) "(%[dst]) \n\t"
866 "usw %[temp10], 2*" XSTR(BPS) "(%[dst]) \n\t"
867 "prepend %[temp9], %[temp11], 8 \n\t"
868 "prepend %[temp10], %[temp1], 8 \n\t"
869 "usw %[temp9], 1*" XSTR(BPS) "(%[dst]) \n\t"
870 "usw %[temp10], 3*" XSTR(BPS) "(%[dst]) \n\t"
871 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
872 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
873 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8),
874 [temp9]"=&r"(temp9), [temp10]"=&r"(temp10), [temp11]"=&r"(temp11)
875 : [top]"r"(top), [dst]"r"(dst)
876 : "memory"
877 );
878}
879
880static void VL4(uint8_t* dst, const uint8_t* top) {
881 int temp0, temp1, temp2, temp3, temp4;
882 int temp5, temp6, temp7, temp8, temp9;
883 __asm__ volatile (
884 "ulw %[temp0], 0(%[top]) \n\t"
885 "ulw %[temp1], 4(%[top]) \n\t"
886 "preceu.ph.qbla %[temp2], %[temp0] \n\t"
887 "preceu.ph.qbra %[temp0], %[temp0] \n\t"
888 "preceu.ph.qbl %[temp3], %[temp1] \n\t"
889 "preceu.ph.qbr %[temp1], %[temp1] \n\t"
890 "addqh_r.ph %[temp4], %[temp0], %[temp2] \n\t"
891 "packrl.ph %[temp7], %[temp1], %[temp0] \n\t"
892 "precrq.ph.w %[temp6], %[temp1], %[temp2] \n\t"
893 "shll.ph %[temp9], %[temp2], 1 \n\t"
894 "addqh_r.ph %[temp5], %[temp7], %[temp2] \n\t"
895 "shll.ph %[temp8], %[temp7], 1 \n\t"
896 "addu.ph %[temp2], %[temp2], %[temp6] \n\t"
897 "addu.ph %[temp0], %[temp0], %[temp7] \n\t"
898 "packrl.ph %[temp7], %[temp3], %[temp1] \n\t"
899 "addu.ph %[temp6], %[temp1], %[temp3] \n\t"
900 "addu.ph %[temp2], %[temp2], %[temp8] \n\t"
901 "addu.ph %[temp0], %[temp0], %[temp9] \n\t"
902 "shll.ph %[temp7], %[temp7], 1 \n\t"
903 "shra_r.ph %[temp2], %[temp2], 2 \n\t"
904 "shra_r.ph %[temp0], %[temp0], 2 \n\t"
905 "addu.ph %[temp6], %[temp6], %[temp7] \n\t"
906 "shra_r.ph %[temp6], %[temp6], 2 \n\t"
907 "precrq.ph.w %[temp8], %[temp5], %[temp4] \n\t"
908 "append %[temp5], %[temp4], 16 \n\t"
909 "precrq.ph.w %[temp3], %[temp2], %[temp0] \n\t"
910 "append %[temp2], %[temp0], 16 \n\t"
911 "precr.qb.ph %[temp8], %[temp8], %[temp5] \n\t"
912 "precr.qb.ph %[temp3], %[temp3], %[temp2] \n\t"
913 "usw %[temp8], 0*" XSTR(BPS) "(%[dst]) \n\t"
914 "prepend %[temp8], %[temp6], 8 \n\t"
915 "usw %[temp3], 1*" XSTR(BPS) "(%[dst]) \n\t"
916 "srl %[temp6], %[temp6], 16 \n\t"
917 "prepend %[temp3], %[temp6], 8 \n\t"
918 "usw %[temp8], 2*" XSTR(BPS) "(%[dst]) \n\t"
919 "usw %[temp3], 3*" XSTR(BPS) "(%[dst]) \n\t"
920 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
921 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
922 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8),
923 [temp9]"=&r"(temp9)
924 : [top]"r"(top), [dst]"r"(dst)
925 : "memory"
926 );
927}
928
929static void HD4(uint8_t* dst, const uint8_t* top) {
930 int temp0, temp1, temp2, temp3, temp4;
931 int temp5, temp6, temp7, temp8, temp9;
932 __asm__ volatile (
933 "ulw %[temp0], -5(%[top]) \n\t"
934 "ulw %[temp1], -1(%[top]) \n\t"
935 "preceu.ph.qbla %[temp2], %[temp0] \n\t"
936 "preceu.ph.qbra %[temp0], %[temp0] \n\t"
937 "preceu.ph.qbl %[temp3], %[temp1] \n\t"
938 "preceu.ph.qbr %[temp1], %[temp1] \n\t"
939 "addqh_r.ph %[temp4], %[temp0], %[temp2] \n\t"
940 "packrl.ph %[temp7], %[temp1], %[temp0] \n\t"
941 "precrq.ph.w %[temp6], %[temp1], %[temp2] \n\t"
942 "shll.ph %[temp9], %[temp2], 1 \n\t"
943 "addqh_r.ph %[temp5], %[temp7], %[temp2] \n\t"
944 "shll.ph %[temp8], %[temp7], 1 \n\t"
945 "addu.ph %[temp2], %[temp2], %[temp6] \n\t"
946 "addu.ph %[temp0], %[temp0], %[temp7] \n\t"
947 "packrl.ph %[temp7], %[temp3], %[temp1] \n\t"
948 "addu.ph %[temp6], %[temp1], %[temp3] \n\t"
949 "addu.ph %[temp2], %[temp2], %[temp8] \n\t"
950 "addu.ph %[temp0], %[temp0], %[temp9] \n\t"
951 "shll.ph %[temp7], %[temp7], 1 \n\t"
952 "shra_r.ph %[temp2], %[temp2], 2 \n\t"
953 "shra_r.ph %[temp0], %[temp0], 2 \n\t"
954 "addu.ph %[temp6], %[temp6], %[temp7] \n\t"
955 "shra_r.ph %[temp6], %[temp6], 2 \n\t"
956 "precrq.ph.w %[temp1], %[temp2], %[temp5] \n\t"
957 "precrq.ph.w %[temp3], %[temp0], %[temp4] \n\t"
958 "precr.qb.ph %[temp7], %[temp6], %[temp1] \n\t"
959 "precr.qb.ph %[temp6], %[temp1], %[temp3] \n\t"
960 "usw %[temp7], 0*" XSTR(BPS) "(%[dst]) \n\t"
961 "usw %[temp6], 1*" XSTR(BPS) "(%[dst]) \n\t"
962 "append %[temp2], %[temp5], 16 \n\t"
963 "append %[temp0], %[temp4], 16 \n\t"
964 "precr.qb.ph %[temp5], %[temp3], %[temp2] \n\t"
965 "precr.qb.ph %[temp4], %[temp2], %[temp0] \n\t"
966 "usw %[temp5], 2*" XSTR(BPS) "(%[dst]) \n\t"
967 "usw %[temp4], 3*" XSTR(BPS) "(%[dst]) \n\t"
968 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
969 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
970 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8),
971 [temp9]"=&r"(temp9)
972 : [top]"r"(top), [dst]"r"(dst)
973 : "memory"
974 );
975}
976
977static void HU4(uint8_t* dst, const uint8_t* top) {
978 int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
979 __asm__ volatile (
980 "ulw %[temp0], -5(%[top]) \n\t"
981 "preceu.ph.qbl %[temp1], %[temp0] \n\t"
982 "preceu.ph.qbr %[temp2], %[temp0] \n\t"
983 "packrl.ph %[temp3], %[temp1], %[temp2] \n\t"
984 "replv.qb %[temp7], %[temp2] \n\t"
985 "addqh_r.ph %[temp4], %[temp1], %[temp3] \n\t"
986 "addqh_r.ph %[temp5], %[temp3], %[temp2] \n\t"
987 "shll.ph %[temp6], %[temp3], 1 \n\t"
988 "addu.ph %[temp3], %[temp2], %[temp3] \n\t"
989 "addu.ph %[temp6], %[temp1], %[temp6] \n\t"
990 "shll.ph %[temp0], %[temp2], 1 \n\t"
991 "addu.ph %[temp6], %[temp6], %[temp2] \n\t"
992 "addu.ph %[temp0], %[temp3], %[temp0] \n\t"
993 "shra_r.ph %[temp6], %[temp6], 2 \n\t"
994 "shra_r.ph %[temp0], %[temp0], 2 \n\t"
995 "packrl.ph %[temp3], %[temp6], %[temp5] \n\t"
996 "precrq.ph.w %[temp2], %[temp6], %[temp4] \n\t"
997 "append %[temp0], %[temp5], 16 \n\t"
998 "precr.qb.ph %[temp3], %[temp3], %[temp2] \n\t"
999 "usw %[temp3], 0*" XSTR(BPS) "(%[dst]) \n\t"
1000 "precr.qb.ph %[temp1], %[temp7], %[temp0] \n\t"
1001 "usw %[temp7], 3*" XSTR(BPS) "(%[dst]) \n\t"
1002 "packrl.ph %[temp2], %[temp1], %[temp3] \n\t"
1003 "usw %[temp1], 2*" XSTR(BPS) "(%[dst]) \n\t"
1004 "usw %[temp2], 1*" XSTR(BPS) "(%[dst]) \n\t"
1005 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1006 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
1007 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7)
1008 : [top]"r"(top), [dst]"r"(dst)
1009 : "memory"
1010 );
1011}
1012
1013//------------------------------------------------------------------------------
1014// Chroma 8x8 prediction (paragraph 12.2)
1015
1016static void IntraChromaPreds_MIPSdspR2(uint8_t* dst, const uint8_t* left,
1017 const uint8_t* top) {
1018 // U block
1019 DCMode8(C8DC8 + dst, left, top);
1020 VerticalPred8(C8VE8 + dst, top);
1021 HorizontalPred8(C8HE8 + dst, left);
1022 TrueMotion8(C8TM8 + dst, left, top);
1023 // V block
1024 dst += 8;
1025 if (top) top += 8;
1026 if (left) left += 16;
1027 DCMode8(C8DC8 + dst, left, top);
1028 VerticalPred8(C8VE8 + dst, top);
1029 HorizontalPred8(C8HE8 + dst, left);
1030 TrueMotion8(C8TM8 + dst, left, top);
1031}
1032
1033//------------------------------------------------------------------------------
1034// luma 16x16 prediction (paragraph 12.3)
1035
1036static void Intra16Preds_MIPSdspR2(uint8_t* dst,
1037 const uint8_t* left, const uint8_t* top) {
1038 DCMode16(I16DC16 + dst, left, top);
1039 VerticalPred16(I16VE16 + dst, top);
1040 HorizontalPred16(I16HE16 + dst, left);
1041 TrueMotion16(I16TM16 + dst, left, top);
1042}
1043
1044// Left samples are top[-5 .. -2], top_left is top[-1], top are
1045// located at top[0..3], and top right is top[4..7]
1046static void Intra4Preds_MIPSdspR2(uint8_t* dst, const uint8_t* top) {
1047 DC4(I4DC4 + dst, top);
1048 TM4(I4TM4 + dst, top);
1049 VE4(I4VE4 + dst, top);
1050 HE4(I4HE4 + dst, top);
1051 RD4(I4RD4 + dst, top);
1052 VR4(I4VR4 + dst, top);
1053 LD4(I4LD4 + dst, top);
1054 VL4(I4VL4 + dst, top);
1055 HD4(I4HD4 + dst, top);
1056 HU4(I4HU4 + dst, top);
1057}
1058
1059//------------------------------------------------------------------------------
1060// Metric
1061
1062#if !defined(WORK_AROUND_GCC)
1063
1064#define GET_SSE_INNER(A) \
1065 "lw %[temp0], " #A "(%[a]) \n\t" \
1066 "lw %[temp1], " #A "(%[b]) \n\t" \
1067 "preceu.ph.qbr %[temp2], %[temp0] \n\t" \
1068 "preceu.ph.qbl %[temp0], %[temp0] \n\t" \
1069 "preceu.ph.qbr %[temp3], %[temp1] \n\t" \
1070 "preceu.ph.qbl %[temp1], %[temp1] \n\t" \
1071 "subq.ph %[temp2], %[temp2], %[temp3] \n\t" \
1072 "subq.ph %[temp0], %[temp0], %[temp1] \n\t" \
1073 "dpa.w.ph $ac0, %[temp2], %[temp2] \n\t" \
1074 "dpa.w.ph $ac0, %[temp0], %[temp0] \n\t"
1075
1076#define GET_SSE(A, B, C, D) \
1077 GET_SSE_INNER(A) \
1078 GET_SSE_INNER(B) \
1079 GET_SSE_INNER(C) \
1080 GET_SSE_INNER(D)
1081
1082static int SSE16x16_MIPSdspR2(const uint8_t* a, const uint8_t* b) {
1083 int count;
1084 int temp0, temp1, temp2, temp3;
1085 __asm__ volatile (
1086 "mult $zero, $zero \n\t"
1087 GET_SSE( 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS)
1088 GET_SSE( 1 * BPS, 4 + 1 * BPS, 8 + 1 * BPS, 12 + 1 * BPS)
1089 GET_SSE( 2 * BPS, 4 + 2 * BPS, 8 + 2 * BPS, 12 + 2 * BPS)
1090 GET_SSE( 3 * BPS, 4 + 3 * BPS, 8 + 3 * BPS, 12 + 3 * BPS)
1091 GET_SSE( 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS)
1092 GET_SSE( 5 * BPS, 4 + 5 * BPS, 8 + 5 * BPS, 12 + 5 * BPS)
1093 GET_SSE( 6 * BPS, 4 + 6 * BPS, 8 + 6 * BPS, 12 + 6 * BPS)
1094 GET_SSE( 7 * BPS, 4 + 7 * BPS, 8 + 7 * BPS, 12 + 7 * BPS)
1095 GET_SSE( 8 * BPS, 4 + 8 * BPS, 8 + 8 * BPS, 12 + 8 * BPS)
1096 GET_SSE( 9 * BPS, 4 + 9 * BPS, 8 + 9 * BPS, 12 + 9 * BPS)
1097 GET_SSE(10 * BPS, 4 + 10 * BPS, 8 + 10 * BPS, 12 + 10 * BPS)
1098 GET_SSE(11 * BPS, 4 + 11 * BPS, 8 + 11 * BPS, 12 + 11 * BPS)
1099 GET_SSE(12 * BPS, 4 + 12 * BPS, 8 + 12 * BPS, 12 + 12 * BPS)
1100 GET_SSE(13 * BPS, 4 + 13 * BPS, 8 + 13 * BPS, 12 + 13 * BPS)
1101 GET_SSE(14 * BPS, 4 + 14 * BPS, 8 + 14 * BPS, 12 + 14 * BPS)
1102 GET_SSE(15 * BPS, 4 + 15 * BPS, 8 + 15 * BPS, 12 + 15 * BPS)
1103 "mflo %[count] \n\t"
1104 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1105 [temp3]"=&r"(temp3), [count]"=&r"(count)
1106 : [a]"r"(a), [b]"r"(b)
1107 : "memory", "hi", "lo"
1108 );
1109 return count;
1110}
1111
1112static int SSE16x8_MIPSdspR2(const uint8_t* a, const uint8_t* b) {
1113 int count;
1114 int temp0, temp1, temp2, temp3;
1115 __asm__ volatile (
1116 "mult $zero, $zero \n\t"
1117 GET_SSE( 0 * BPS, 4 + 0 * BPS, 8 + 0 * BPS, 12 + 0 * BPS)
1118 GET_SSE( 1 * BPS, 4 + 1 * BPS, 8 + 1 * BPS, 12 + 1 * BPS)
1119 GET_SSE( 2 * BPS, 4 + 2 * BPS, 8 + 2 * BPS, 12 + 2 * BPS)
1120 GET_SSE( 3 * BPS, 4 + 3 * BPS, 8 + 3 * BPS, 12 + 3 * BPS)
1121 GET_SSE( 4 * BPS, 4 + 4 * BPS, 8 + 4 * BPS, 12 + 4 * BPS)
1122 GET_SSE( 5 * BPS, 4 + 5 * BPS, 8 + 5 * BPS, 12 + 5 * BPS)
1123 GET_SSE( 6 * BPS, 4 + 6 * BPS, 8 + 6 * BPS, 12 + 6 * BPS)
1124 GET_SSE( 7 * BPS, 4 + 7 * BPS, 8 + 7 * BPS, 12 + 7 * BPS)
1125 "mflo %[count] \n\t"
1126 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1127 [temp3]"=&r"(temp3), [count]"=&r"(count)
1128 : [a]"r"(a), [b]"r"(b)
1129 : "memory", "hi", "lo"
1130 );
1131 return count;
1132}
1133
1134static int SSE8x8_MIPSdspR2(const uint8_t* a, const uint8_t* b) {
1135 int count;
1136 int temp0, temp1, temp2, temp3;
1137 __asm__ volatile (
1138 "mult $zero, $zero \n\t"
1139 GET_SSE(0 * BPS, 4 + 0 * BPS, 1 * BPS, 4 + 1 * BPS)
1140 GET_SSE(2 * BPS, 4 + 2 * BPS, 3 * BPS, 4 + 3 * BPS)
1141 GET_SSE(4 * BPS, 4 + 4 * BPS, 5 * BPS, 4 + 5 * BPS)
1142 GET_SSE(6 * BPS, 4 + 6 * BPS, 7 * BPS, 4 + 7 * BPS)
1143 "mflo %[count] \n\t"
1144 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1145 [temp3]"=&r"(temp3), [count]"=&r"(count)
1146 : [a]"r"(a), [b]"r"(b)
1147 : "memory", "hi", "lo"
1148 );
1149 return count;
1150}
1151
1152static int SSE4x4_MIPSdspR2(const uint8_t* a, const uint8_t* b) {
1153 int count;
1154 int temp0, temp1, temp2, temp3;
1155 __asm__ volatile (
1156 "mult $zero, $zero \n\t"
1157 GET_SSE(0 * BPS, 1 * BPS, 2 * BPS, 3 * BPS)
1158 "mflo %[count] \n\t"
1159 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1160 [temp3]"=&r"(temp3), [count]"=&r"(count)
1161 : [a]"r"(a), [b]"r"(b)
1162 : "memory", "hi", "lo"
1163 );
1164 return count;
1165}
1166
1167#undef GET_SSE
1168#undef GET_SSE_INNER
1169
1170#endif // !WORK_AROUND_GCC
1171
1172#undef FILL_8_OR_16
1173#undef FILL_PART
1174#undef OUTPUT_EARLY_CLOBBER_REGS_17
1175#undef MUL_HALF
1176#undef ABS_X8
1177#undef ADD_SUB_HALVES_X4
1178
1179//------------------------------------------------------------------------------
1180// Quantization
1181//
1182
1183// macro for one pass through for loop in QuantizeBlock reading 2 values at time
1184// QUANTDIV macro inlined
1185// J - offset in bytes (kZigzag[n] * 2)
1186// K - offset in bytes (kZigzag[n] * 4)
1187// N - offset in bytes (n * 2)
1188// N1 - offset in bytes ((n + 1) * 2)
1189#define QUANTIZE_ONE(J, K, N, N1) \
1190 "ulw %[temp1], " #J "(%[ppin]) \n\t" \
1191 "ulw %[temp2], " #J "(%[ppsharpen]) \n\t" \
1192 "lhu %[temp3], " #K "(%[ppzthresh]) \n\t" \
1193 "lhu %[temp6], " #K "+4(%[ppzthresh]) \n\t" \
1194 "absq_s.ph %[temp4], %[temp1] \n\t" \
1195 "ins %[temp3], %[temp6], 16, 16 \n\t" \
1196 "addu.ph %[coeff], %[temp4], %[temp2] \n\t" \
1197 "shra.ph %[sign], %[temp1], 15 \n\t" \
1198 "li %[level], 0x10001 \n\t" \
1199 "cmp.lt.ph %[temp3], %[coeff] \n\t" \
1200 "lhu %[temp1], " #J "(%[ppiq]) \n\t" \
1201 "pick.ph %[temp5], %[level], $0 \n\t" \
1202 "lw %[temp2], " #K "(%[ppbias]) \n\t" \
1203 "beqz %[temp5], 0f \n\t" \
1204 "lhu %[temp3], " #J "(%[ppq]) \n\t" \
1205 "beq %[temp5], %[level], 1f \n\t" \
1206 "andi %[temp5], %[temp5], 0x1 \n\t" \
1207 "andi %[temp4], %[coeff], 0xffff \n\t" \
1208 "beqz %[temp5], 2f \n\t" \
1209 "mul %[level], %[temp4], %[temp1] \n\t" \
1210 "sh $0, " #J "+2(%[ppin]) \n\t" \
1211 "sh $0, " #N1 "(%[pout]) \n\t" \
1212 "addu %[level], %[level], %[temp2] \n\t" \
1213 "sra %[level], %[level], 17 \n\t" \
1214 "slt %[temp4], %[max_level], %[level] \n\t" \
1215 "movn %[level], %[max_level], %[temp4] \n\t" \
1216 "andi %[temp6], %[sign], 0xffff \n\t" \
1217 "xor %[level], %[level], %[temp6] \n\t" \
1218 "subu %[level], %[level], %[temp6] \n\t" \
1219 "mul %[temp5], %[level], %[temp3] \n\t" \
1220 "or %[ret], %[ret], %[level] \n\t" \
1221 "sh %[level], " #N "(%[pout]) \n\t" \
1222 "sh %[temp5], " #J "(%[ppin]) \n\t" \
1223 "j 3f \n\t" \
1224"2: \n\t" \
1225 "lhu %[temp1], " #J "+2(%[ppiq]) \n\t" \
1226 "srl %[temp5], %[coeff], 16 \n\t" \
1227 "mul %[level], %[temp5], %[temp1] \n\t" \
1228 "lw %[temp2], " #K "+4(%[ppbias]) \n\t" \
1229 "lhu %[temp3], " #J "+2(%[ppq]) \n\t" \
1230 "addu %[level], %[level], %[temp2] \n\t" \
1231 "sra %[level], %[level], 17 \n\t" \
1232 "srl %[temp6], %[sign], 16 \n\t" \
1233 "slt %[temp4], %[max_level], %[level] \n\t" \
1234 "movn %[level], %[max_level], %[temp4] \n\t" \
1235 "xor %[level], %[level], %[temp6] \n\t" \
1236 "subu %[level], %[level], %[temp6] \n\t" \
1237 "mul %[temp5], %[level], %[temp3] \n\t" \
1238 "sh $0, " #J "(%[ppin]) \n\t" \
1239 "sh $0, " #N "(%[pout]) \n\t" \
1240 "or %[ret], %[ret], %[level] \n\t" \
1241 "sh %[temp5], " #J "+2(%[ppin]) \n\t" \
1242 "sh %[level], " #N1 "(%[pout]) \n\t" \
1243 "j 3f \n\t" \
1244"1: \n\t" \
1245 "lhu %[temp1], " #J "(%[ppiq]) \n\t" \
1246 "lw %[temp2], " #K "(%[ppbias]) \n\t" \
1247 "ulw %[temp3], " #J "(%[ppq]) \n\t" \
1248 "andi %[temp5], %[coeff], 0xffff \n\t" \
1249 "srl %[temp0], %[coeff], 16 \n\t" \
1250 "lhu %[temp6], " #J "+2(%[ppiq]) \n\t" \
1251 "lw %[coeff], " #K "+4(%[ppbias]) \n\t" \
1252 "mul %[level], %[temp5], %[temp1] \n\t" \
1253 "mul %[temp4], %[temp0], %[temp6] \n\t" \
1254 "addu %[level], %[level], %[temp2] \n\t" \
1255 "addu %[temp4], %[temp4], %[coeff] \n\t" \
1256 "precrq.ph.w %[level], %[temp4], %[level] \n\t" \
1257 "shra.ph %[level], %[level], 1 \n\t" \
1258 "cmp.lt.ph %[max_level1],%[level] \n\t" \
1259 "pick.ph %[level], %[max_level], %[level] \n\t" \
1260 "xor %[level], %[level], %[sign] \n\t" \
1261 "subu.ph %[level], %[level], %[sign] \n\t" \
1262 "mul.ph %[temp3], %[level], %[temp3] \n\t" \
1263 "or %[ret], %[ret], %[level] \n\t" \
1264 "sh %[level], " #N "(%[pout]) \n\t" \
1265 "srl %[level], %[level], 16 \n\t" \
1266 "sh %[level], " #N1 "(%[pout]) \n\t" \
1267 "usw %[temp3], " #J "(%[ppin]) \n\t" \
1268 "j 3f \n\t" \
1269"0: \n\t" \
1270 "sh $0, " #N "(%[pout]) \n\t" \
1271 "sh $0, " #N1 "(%[pout]) \n\t" \
1272 "usw $0, " #J "(%[ppin]) \n\t" \
1273"3: \n\t"
1274
1275static int QuantizeBlock_MIPSdspR2(int16_t in[16], int16_t out[16],
1276 const VP8Matrix* const mtx) {
1277 int temp0, temp1, temp2, temp3, temp4, temp5,temp6;
1278 int sign, coeff, level;
1279 int max_level = MAX_LEVEL;
1280 int max_level1 = max_level << 16 | max_level;
1281 int ret = 0;
1282
1283 int16_t* ppin = &in[0];
1284 int16_t* pout = &out[0];
1285 const uint16_t* ppsharpen = &mtx->sharpen_[0];
1286 const uint32_t* ppzthresh = &mtx->zthresh_[0];
1287 const uint16_t* ppq = &mtx->q_[0];
1288 const uint16_t* ppiq = &mtx->iq_[0];
1289 const uint32_t* ppbias = &mtx->bias_[0];
1290
1291 __asm__ volatile (
1292 QUANTIZE_ONE( 0, 0, 0, 2)
1293 QUANTIZE_ONE( 4, 8, 10, 12)
1294 QUANTIZE_ONE( 8, 16, 4, 8)
1295 QUANTIZE_ONE(12, 24, 14, 24)
1296 QUANTIZE_ONE(16, 32, 6, 16)
1297 QUANTIZE_ONE(20, 40, 22, 26)
1298 QUANTIZE_ONE(24, 48, 18, 20)
1299 QUANTIZE_ONE(28, 56, 28, 30)
1300
1301 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
1302 [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
1303 [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
1304 [sign]"=&r"(sign), [coeff]"=&r"(coeff),
1305 [level]"=&r"(level), [temp6]"=&r"(temp6), [ret]"+&r"(ret)
1306 : [ppin]"r"(ppin), [pout]"r"(pout), [max_level1]"r"(max_level1),
1307 [ppiq]"r"(ppiq), [max_level]"r"(max_level),
1308 [ppbias]"r"(ppbias), [ppzthresh]"r"(ppzthresh),
1309 [ppsharpen]"r"(ppsharpen), [ppq]"r"(ppq)
1310 : "memory", "hi", "lo"
1311 );
1312
1313 return (ret != 0);
1314}
1315
1316static int Quantize2Blocks_MIPSdspR2(int16_t in[32], int16_t out[32],
1317 const VP8Matrix* const mtx) {
1318 int nz;
1319 nz = QuantizeBlock_MIPSdspR2(in + 0 * 16, out + 0 * 16, mtx) << 0;
1320 nz |= QuantizeBlock_MIPSdspR2(in + 1 * 16, out + 1 * 16, mtx) << 1;
1321 return nz;
1322}
1323
1324#undef QUANTIZE_ONE
1325
1326// macro for one horizontal pass in FTransformWHT
1327// temp0..temp7 holds tmp[0]..tmp[15]
1328// A, B, C, D - offset in bytes to load from in buffer
1329// TEMP0, TEMP1 - registers for corresponding tmp elements
1330#define HORIZONTAL_PASS_WHT(A, B, C, D, TEMP0, TEMP1) \
1331 "lh %[" #TEMP0 "], " #A "(%[in]) \n\t" \
1332 "lh %[" #TEMP1 "], " #B "(%[in]) \n\t" \
1333 "lh %[temp8], " #C "(%[in]) \n\t" \
1334 "lh %[temp9], " #D "(%[in]) \n\t" \
1335 "ins %[" #TEMP1 "], %[" #TEMP0 "], 16, 16 \n\t" \
1336 "ins %[temp9], %[temp8], 16, 16 \n\t" \
1337 "subq.ph %[temp8], %[" #TEMP1 "], %[temp9] \n\t" \
1338 "addq.ph %[temp9], %[" #TEMP1 "], %[temp9] \n\t" \
1339 "precrq.ph.w %[" #TEMP0 "], %[temp8], %[temp9] \n\t" \
1340 "append %[temp8], %[temp9], 16 \n\t" \
1341 "subq.ph %[" #TEMP1 "], %[" #TEMP0 "], %[temp8] \n\t" \
1342 "addq.ph %[" #TEMP0 "], %[" #TEMP0 "], %[temp8] \n\t" \
1343 "rotr %[" #TEMP1 "], %[" #TEMP1 "], 16 \n\t"
1344
1345// macro for one vertical pass in FTransformWHT
1346// temp0..temp7 holds tmp[0]..tmp[15]
1347// A, B, C, D - offsets in bytes to store to out buffer
1348// TEMP0, TEMP2, TEMP4 and TEMP6 - registers for corresponding tmp elements
1349#define VERTICAL_PASS_WHT(A, B, C, D, TEMP0, TEMP2, TEMP4, TEMP6) \
1350 "addq.ph %[temp8], %[" #TEMP0 "], %[" #TEMP4 "] \n\t" \
1351 "addq.ph %[temp9], %[" #TEMP2 "], %[" #TEMP6 "] \n\t" \
1352 "subq.ph %[" #TEMP2 "], %[" #TEMP2 "], %[" #TEMP6 "] \n\t" \
1353 "subq.ph %[" #TEMP6 "], %[" #TEMP0 "], %[" #TEMP4 "] \n\t" \
1354 "addqh.ph %[" #TEMP0 "], %[temp8], %[temp9] \n\t" \
1355 "subqh.ph %[" #TEMP4 "], %[" #TEMP6 "], %[" #TEMP2 "] \n\t" \
1356 "addqh.ph %[" #TEMP2 "], %[" #TEMP2 "], %[" #TEMP6 "] \n\t" \
1357 "subqh.ph %[" #TEMP6 "], %[temp8], %[temp9] \n\t" \
1358 "usw %[" #TEMP0 "], " #A "(%[out]) \n\t" \
1359 "usw %[" #TEMP2 "], " #B "(%[out]) \n\t" \
1360 "usw %[" #TEMP4 "], " #C "(%[out]) \n\t" \
1361 "usw %[" #TEMP6 "], " #D "(%[out]) \n\t"
1362
1363static void FTransformWHT_MIPSdspR2(const int16_t* in, int16_t* out) {
1364 int temp0, temp1, temp2, temp3, temp4;
1365 int temp5, temp6, temp7, temp8, temp9;
1366
1367 __asm__ volatile (
1368 HORIZONTAL_PASS_WHT( 0, 32, 64, 96, temp0, temp1)
1369 HORIZONTAL_PASS_WHT(128, 160, 192, 224, temp2, temp3)
1370 HORIZONTAL_PASS_WHT(256, 288, 320, 352, temp4, temp5)
1371 HORIZONTAL_PASS_WHT(384, 416, 448, 480, temp6, temp7)
1372 VERTICAL_PASS_WHT(0, 8, 16, 24, temp0, temp2, temp4, temp6)
1373 VERTICAL_PASS_WHT(4, 12, 20, 28, temp1, temp3, temp5, temp7)
1374 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1375 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
1376 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8),
1377 [temp9]"=&r"(temp9)
1378 : [in]"r"(in), [out]"r"(out)
1379 : "memory"
1380 );
1381}
1382
1383#undef VERTICAL_PASS_WHT
1384#undef HORIZONTAL_PASS_WHT
1385
1386// macro for converting coefficients to bin
1387// convert 8 coeffs at time
1388// A, B, C, D - offsets in bytes to load from out buffer
1389#define CONVERT_COEFFS_TO_BIN(A, B, C, D) \
1390 "ulw %[temp0], " #A "(%[out]) \n\t" \
1391 "ulw %[temp1], " #B "(%[out]) \n\t" \
1392 "ulw %[temp2], " #C "(%[out]) \n\t" \
1393 "ulw %[temp3], " #D "(%[out]) \n\t" \
1394 "absq_s.ph %[temp0], %[temp0] \n\t" \
1395 "absq_s.ph %[temp1], %[temp1] \n\t" \
1396 "absq_s.ph %[temp2], %[temp2] \n\t" \
1397 "absq_s.ph %[temp3], %[temp3] \n\t" \
1398 "shra.ph %[temp0], %[temp0], 3 \n\t" \
1399 "shra.ph %[temp1], %[temp1], 3 \n\t" \
1400 "shra.ph %[temp2], %[temp2], 3 \n\t" \
1401 "shra.ph %[temp3], %[temp3], 3 \n\t" \
1402 "shll_s.ph %[temp0], %[temp0], 10 \n\t" \
1403 "shll_s.ph %[temp1], %[temp1], 10 \n\t" \
1404 "shll_s.ph %[temp2], %[temp2], 10 \n\t" \
1405 "shll_s.ph %[temp3], %[temp3], 10 \n\t" \
1406 "shrl.ph %[temp0], %[temp0], 10 \n\t" \
1407 "shrl.ph %[temp1], %[temp1], 10 \n\t" \
1408 "shrl.ph %[temp2], %[temp2], 10 \n\t" \
1409 "shrl.ph %[temp3], %[temp3], 10 \n\t" \
1410 "shll.ph %[temp0], %[temp0], 2 \n\t" \
1411 "shll.ph %[temp1], %[temp1], 2 \n\t" \
1412 "shll.ph %[temp2], %[temp2], 2 \n\t" \
1413 "shll.ph %[temp3], %[temp3], 2 \n\t" \
1414 "ext %[temp4], %[temp0], 0, 16 \n\t" \
1415 "ext %[temp0], %[temp0], 16, 16 \n\t" \
1416 "addu %[temp4], %[temp4], %[dist] \n\t" \
1417 "addu %[temp0], %[temp0], %[dist] \n\t" \
1418 "ext %[temp5], %[temp1], 0, 16 \n\t" \
1419 "lw %[temp8], 0(%[temp4]) \n\t" \
1420 "ext %[temp1], %[temp1], 16, 16 \n\t" \
1421 "addu %[temp5], %[temp5], %[dist] \n\t" \
1422 "addiu %[temp8], %[temp8], 1 \n\t" \
1423 "sw %[temp8], 0(%[temp4]) \n\t" \
1424 "lw %[temp8], 0(%[temp0]) \n\t" \
1425 "addu %[temp1], %[temp1], %[dist] \n\t" \
1426 "ext %[temp6], %[temp2], 0, 16 \n\t" \
1427 "addiu %[temp8], %[temp8], 1 \n\t" \
1428 "sw %[temp8], 0(%[temp0]) \n\t" \
1429 "lw %[temp8], 0(%[temp5]) \n\t" \
1430 "ext %[temp2], %[temp2], 16, 16 \n\t" \
1431 "addu %[temp6], %[temp6], %[dist] \n\t" \
1432 "addiu %[temp8], %[temp8], 1 \n\t" \
1433 "sw %[temp8], 0(%[temp5]) \n\t" \
1434 "lw %[temp8], 0(%[temp1]) \n\t" \
1435 "addu %[temp2], %[temp2], %[dist] \n\t" \
1436 "ext %[temp7], %[temp3], 0, 16 \n\t" \
1437 "addiu %[temp8], %[temp8], 1 \n\t" \
1438 "sw %[temp8], 0(%[temp1]) \n\t" \
1439 "lw %[temp8], 0(%[temp6]) \n\t" \
1440 "ext %[temp3], %[temp3], 16, 16 \n\t" \
1441 "addu %[temp7], %[temp7], %[dist] \n\t" \
1442 "addiu %[temp8], %[temp8], 1 \n\t" \
1443 "sw %[temp8], 0(%[temp6]) \n\t" \
1444 "lw %[temp8], 0(%[temp2]) \n\t" \
1445 "addu %[temp3], %[temp3], %[dist] \n\t" \
1446 "addiu %[temp8], %[temp8], 1 \n\t" \
1447 "sw %[temp8], 0(%[temp2]) \n\t" \
1448 "lw %[temp8], 0(%[temp7]) \n\t" \
1449 "addiu %[temp8], %[temp8], 1 \n\t" \
1450 "sw %[temp8], 0(%[temp7]) \n\t" \
1451 "lw %[temp8], 0(%[temp3]) \n\t" \
1452 "addiu %[temp8], %[temp8], 1 \n\t" \
1453 "sw %[temp8], 0(%[temp3]) \n\t"
1454
1455static void CollectHistogram_MIPSdspR2(const uint8_t* ref, const uint8_t* pred,
1456 int start_block, int end_block,
1457 VP8Histogram* const histo) {
1458 int j;
1459 int distribution[MAX_COEFF_THRESH + 1] = { 0 };
1460 const int max_coeff = (MAX_COEFF_THRESH << 16) + MAX_COEFF_THRESH;
1461 for (j = start_block; j < end_block; ++j) {
1462 int16_t out[16];
1463 int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8;
1464
1465 VP8FTransform(ref + VP8DspScan[j], pred + VP8DspScan[j], out);
1466
1467 // Convert coefficients to bin.
1468 __asm__ volatile (
1469 CONVERT_COEFFS_TO_BIN( 0, 4, 8, 12)
1470 CONVERT_COEFFS_TO_BIN(16, 20, 24, 28)
1471 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
1472 [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
1473 [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), [temp8]"=&r"(temp8)
1474 : [dist]"r"(distribution), [out]"r"(out), [max_coeff]"r"(max_coeff)
1475 : "memory"
1476 );
1477 }
1478 VP8SetHistogramData(distribution, histo);
1479}
1480
1481#undef CONVERT_COEFFS_TO_BIN
1482
1483//------------------------------------------------------------------------------
1484// Entry point
1485
1486extern void VP8EncDspInitMIPSdspR2(void);
1487
1488WEBP_TSAN_IGNORE_FUNCTION void VP8EncDspInitMIPSdspR2(void) {
1489 VP8FTransform = FTransform_MIPSdspR2;
1490 VP8FTransformWHT = FTransformWHT_MIPSdspR2;
1491 VP8ITransform = ITransform_MIPSdspR2;
1492
1493 VP8TDisto4x4 = Disto4x4_MIPSdspR2;
1494 VP8TDisto16x16 = Disto16x16_MIPSdspR2;
1495
1496 VP8EncPredLuma16 = Intra16Preds_MIPSdspR2;
1497 VP8EncPredChroma8 = IntraChromaPreds_MIPSdspR2;
1498 VP8EncPredLuma4 = Intra4Preds_MIPSdspR2;
1499
1500#if !defined(WORK_AROUND_GCC)
1501 VP8SSE16x16 = SSE16x16_MIPSdspR2;
1502 VP8SSE8x8 = SSE8x8_MIPSdspR2;
1503 VP8SSE16x8 = SSE16x8_MIPSdspR2;
1504 VP8SSE4x4 = SSE4x4_MIPSdspR2;
1505#endif
1506
1507 VP8EncQuantizeBlock = QuantizeBlock_MIPSdspR2;
1508 VP8EncQuantize2Blocks = Quantize2Blocks_MIPSdspR2;
1509
1510 VP8CollectHistogram = CollectHistogram_MIPSdspR2;
1511}
1512
1513#else // !WEBP_USE_MIPS_DSP_R2
1514
1515WEBP_DSP_INIT_STUB(VP8EncDspInitMIPSdspR2)
1516
1517#endif // WEBP_USE_MIPS_DSP_R2
1518