63 static void ac3_bit_alloc_calc_bap_mips(int16_t *
mask, int16_t *psd,
65 int snr_offset,
int floor,
68 int band, band_end, cond;
69 int m, address1, address2;
70 int16_t *psd1, *psd_end;
73 if (snr_offset == -960) {
83 m = (
FFMAX(mask[band] - snr_offset - floor, 0) & 0x1FE0) + floor;
85 band_end =
FFMIN(band_end, end);
86 psd_end = psd + band_end - 1;
89 "slt %[cond], %[psd1], %[psd_end] \n\t"
90 "beqz %[cond], 1f \n\t"
92 "lh %[address1], 0(%[psd1]) \n\t"
93 "lh %[address2], 2(%[psd1]) \n\t"
94 "addiu %[psd1], %[psd1], 4 \n\t"
95 "subu %[address1], %[address1], %[m] \n\t"
96 "sra %[address1], %[address1], 5 \n\t"
97 "addiu %[address1], %[address1], -32 \n\t"
98 "shll_s.w %[address1], %[address1], 26 \n\t"
99 "subu %[address2], %[address2], %[m] \n\t"
100 "sra %[address2], %[address2], 5 \n\t"
101 "sra %[address1], %[address1], 26 \n\t"
102 "addiu %[address1], %[address1], 32 \n\t"
103 "lbux %[address1], %[address1](%[bap_tab]) \n\t"
104 "addiu %[address2], %[address2], -32 \n\t"
105 "shll_s.w %[address2], %[address2], 26 \n\t"
106 "sb %[address1], 0(%[bap1]) \n\t"
107 "slt %[cond], %[psd1], %[psd_end] \n\t"
108 "sra %[address2], %[address2], 26 \n\t"
109 "addiu %[address2], %[address2], 32 \n\t"
110 "lbux %[address2], %[address2](%[bap_tab]) \n\t"
111 "sb %[address2], 1(%[bap1]) \n\t"
112 "addiu %[bap1], %[bap1], 2 \n\t"
113 "bnez %[cond], 2b \n\t"
114 "addiu %[psd_end], %[psd_end], 2 \n\t"
115 "slt %[cond], %[psd1], %[psd_end] \n\t"
116 "beqz %[cond], 3f \n\t"
118 "lh %[address1], 0(%[psd1]) \n\t"
119 "addiu %[psd1], %[psd1], 2 \n\t"
120 "subu %[address1], %[address1], %[m] \n\t"
121 "sra %[address1], %[address1], 5 \n\t"
122 "addiu %[address1], %[address1], -32 \n\t"
123 "shll_s.w %[address1], %[address1], 26 \n\t"
124 "sra %[address1], %[address1], 26 \n\t"
125 "addiu %[address1], %[address1], 32 \n\t"
126 "lbux %[address1], %[address1](%[bap_tab]) \n\t"
127 "sb %[address1], 0(%[bap1]) \n\t"
128 "addiu %[bap1], %[bap1], 1 \n\t"
131 : [address1]
"=&r"(address1), [address2]
"=&r"(address2),
132 [cond]
"=&r"(cond), [bap1]
"+r"(bap1),
133 [psd1]
"+r"(psd1), [psd_end]
"+r"(psd_end)
134 : [
m]
"r"(
m), [bap_tab]
"r"(bap_tab)
137 }
while (end > band_end);
140 static void ac3_update_bap_counts_mips(uint16_t mant_cnt[16],
uint8_t *bap,
143 int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
146 "andi %[temp3], %[len], 3 \n\t"
147 "addu %[temp2], %[bap], %[len] \n\t"
148 "addu %[temp4], %[bap], %[temp3] \n\t"
149 "beq %[temp2], %[temp4], 4f \n\t"
151 "lbu %[temp0], -1(%[temp2]) \n\t"
152 "lbu %[temp5], -2(%[temp2]) \n\t"
153 "lbu %[temp6], -3(%[temp2]) \n\t"
154 "sll %[temp0], %[temp0], 1 \n\t"
155 "addu %[temp0], %[mant_cnt], %[temp0] \n\t"
156 "sll %[temp5], %[temp5], 1 \n\t"
157 "addu %[temp5], %[mant_cnt], %[temp5] \n\t"
158 "lhu %[temp1], 0(%[temp0]) \n\t"
159 "sll %[temp6], %[temp6], 1 \n\t"
160 "addu %[temp6], %[mant_cnt], %[temp6] \n\t"
161 "addiu %[temp1], %[temp1], 1 \n\t"
162 "sh %[temp1], 0(%[temp0]) \n\t"
163 "lhu %[temp1], 0(%[temp5]) \n\t"
164 "lbu %[temp7], -4(%[temp2]) \n\t"
165 "addiu %[temp2], %[temp2], -4 \n\t"
166 "addiu %[temp1], %[temp1], 1 \n\t"
167 "sh %[temp1], 0(%[temp5]) \n\t"
168 "lhu %[temp1], 0(%[temp6]) \n\t"
169 "sll %[temp7], %[temp7], 1 \n\t"
170 "addu %[temp7], %[mant_cnt], %[temp7] \n\t"
171 "addiu %[temp1], %[temp1],1 \n\t"
172 "sh %[temp1], 0(%[temp6]) \n\t"
173 "lhu %[temp1], 0(%[temp7]) \n\t"
174 "addiu %[temp1], %[temp1], 1 \n\t"
175 "sh %[temp1], 0(%[temp7]) \n\t"
176 "bne %[temp2], %[temp4], 1b \n\t"
178 "beqz %[temp3], 2f \n\t"
180 "addiu %[temp3], %[temp3], -1 \n\t"
181 "lbu %[temp0], -1(%[temp2]) \n\t"
182 "addiu %[temp2], %[temp2], -1 \n\t"
183 "sll %[temp0], %[temp0], 1 \n\t"
184 "addu %[temp0], %[mant_cnt], %[temp0] \n\t"
185 "lhu %[temp1], 0(%[temp0]) \n\t"
186 "addiu %[temp1], %[temp1], 1 \n\t"
187 "sh %[temp1], 0(%[temp0]) \n\t"
188 "bgtz %[temp3], 3b \n\t"
191 : [temp0]
"=&r" (temp0), [temp1]
"=&r" (temp1),
192 [temp2]
"=&r" (temp2), [temp3]
"=&r" (temp3),
193 [temp4]
"=&r" (temp4), [temp5]
"=&r" (temp5),
194 [temp6]
"=&r" (temp6), [temp7]
"=&r" (temp7)
195 : [
len]
"r" (
len), [bap]
"r" (bap),
196 [mant_cnt]
"r" (mant_cnt)
202 #if HAVE_MIPSFPU && HAVE_MIPS32R2
203 static void float_to_fixed24_mips(
int32_t *dst,
const float *
src,
unsigned int len)
205 const float scale = 1 << 24;
206 float src0, src1, src2, src3, src4, src5, src6, src7;
207 int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
211 "lwc1 %[src0], 0(%[src]) \n\t"
212 "lwc1 %[src1], 4(%[src]) \n\t"
213 "lwc1 %[src2], 8(%[src]) \n\t"
214 "lwc1 %[src3], 12(%[src]) \n\t"
215 "lwc1 %[src4], 16(%[src]) \n\t"
216 "lwc1 %[src5], 20(%[src]) \n\t"
217 "lwc1 %[src6], 24(%[src]) \n\t"
218 "lwc1 %[src7], 28(%[src]) \n\t"
219 "mul.s %[src0], %[src0], %[scale] \n\t"
220 "mul.s %[src1], %[src1], %[scale] \n\t"
221 "mul.s %[src2], %[src2], %[scale] \n\t"
222 "mul.s %[src3], %[src3], %[scale] \n\t"
223 "mul.s %[src4], %[src4], %[scale] \n\t"
224 "mul.s %[src5], %[src5], %[scale] \n\t"
225 "mul.s %[src6], %[src6], %[scale] \n\t"
226 "mul.s %[src7], %[src7], %[scale] \n\t"
227 "cvt.w.s %[src0], %[src0] \n\t"
228 "cvt.w.s %[src1], %[src1] \n\t"
229 "cvt.w.s %[src2], %[src2] \n\t"
230 "cvt.w.s %[src3], %[src3] \n\t"
231 "cvt.w.s %[src4], %[src4] \n\t"
232 "cvt.w.s %[src5], %[src5] \n\t"
233 "cvt.w.s %[src6], %[src6] \n\t"
234 "cvt.w.s %[src7], %[src7] \n\t"
235 "mfc1 %[temp0], %[src0] \n\t"
236 "mfc1 %[temp1], %[src1] \n\t"
237 "mfc1 %[temp2], %[src2] \n\t"
238 "mfc1 %[temp3], %[src3] \n\t"
239 "mfc1 %[temp4], %[src4] \n\t"
240 "mfc1 %[temp5], %[src5] \n\t"
241 "mfc1 %[temp6], %[src6] \n\t"
242 "mfc1 %[temp7], %[src7] \n\t"
243 "sw %[temp0], 0(%[dst]) \n\t"
244 "sw %[temp1], 4(%[dst]) \n\t"
245 "sw %[temp2], 8(%[dst]) \n\t"
246 "sw %[temp3], 12(%[dst]) \n\t"
247 "sw %[temp4], 16(%[dst]) \n\t"
248 "sw %[temp5], 20(%[dst]) \n\t"
249 "sw %[temp6], 24(%[dst]) \n\t"
250 "sw %[temp7], 28(%[dst]) \n\t"
252 : [dst]
"+r" (dst), [src]
"+r" (src),
253 [src0]
"=&f" (src0), [src1]
"=&f" (src1),
254 [src2]
"=&f" (src2), [src3]
"=&f" (src3),
255 [src4]
"=&f" (src4), [src5]
"=&f" (src5),
256 [src6]
"=&f" (src6), [src7]
"=&f" (src7),
257 [temp0]
"=r" (temp0), [temp1]
"=r" (temp1),
258 [temp2]
"=r" (temp2), [temp3]
"=r" (temp3),
259 [temp4]
"=r" (temp4), [temp5]
"=r" (temp5),
260 [temp6]
"=r" (temp6), [temp7]
"=r" (temp7)
270 static void ac3_downmix_mips(
float **samples,
float (*matrix)[2],
271 int out_ch,
int in_ch,
int len)
273 int i, j, i1, i2, i3;
274 float v0, v1, v2, v3;
275 float v4, v5, v6, v7;
276 float samples0, samples1, samples2, samples3, matrix_j, matrix_j2;
277 float *samples_p,*matrix_p, **samples_x, **samples_end, **samples_sw;
281 ".set noreorder \n\t"
285 "move %[i], $zero \n\t"
286 "sll %[j], %[in_ch], 2 \n\t"
288 "bne %[out_ch], %[i1], 3f \n\t"
292 "move %[matrix_p], %[matrix] \n\t"
293 "move %[samples_x], %[samples] \n\t"
294 "mtc1 $zero, %[v0] \n\t"
295 "mtc1 $zero, %[v1] \n\t"
296 "mtc1 $zero, %[v2] \n\t"
297 "mtc1 $zero, %[v3] \n\t"
298 "mtc1 $zero, %[v4] \n\t"
299 "mtc1 $zero, %[v5] \n\t"
300 "mtc1 $zero, %[v6] \n\t"
301 "mtc1 $zero, %[v7] \n\t"
302 "addiu %[i1], %[i], 4 \n\t"
303 "addiu %[i2], %[i], 8 \n\t"
304 "lw %[samples_p], 0(%[samples_x]) \n\t"
305 "addiu %[i3], %[i], 12 \n\t"
306 "addu %[samples_end], %[samples_x], %[j] \n\t"
307 "move %[samples_sw], %[samples_p] \n\t"
310 "lwc1 %[matrix_j], 0(%[matrix_p]) \n\t"
311 "lwc1 %[matrix_j2], 4(%[matrix_p]) \n\t"
312 "lwxc1 %[samples0], %[i](%[samples_p]) \n\t"
313 "lwxc1 %[samples1], %[i1](%[samples_p]) \n\t"
314 "lwxc1 %[samples2], %[i2](%[samples_p]) \n\t"
315 "lwxc1 %[samples3], %[i3](%[samples_p]) \n\t"
316 "addiu %[matrix_p], 8 \n\t"
317 "addiu %[samples_x], 4 \n\t"
318 "madd.s %[v0], %[v0], %[samples0], %[matrix_j] \n\t"
319 "madd.s %[v1], %[v1], %[samples1], %[matrix_j] \n\t"
320 "madd.s %[v2], %[v2], %[samples2], %[matrix_j] \n\t"
321 "madd.s %[v3], %[v3], %[samples3], %[matrix_j] \n\t"
322 "madd.s %[v4], %[v4], %[samples0], %[matrix_j2]\n\t"
323 "madd.s %[v5], %[v5], %[samples1], %[matrix_j2]\n\t"
324 "madd.s %[v6], %[v6], %[samples2], %[matrix_j2]\n\t"
325 "madd.s %[v7], %[v7], %[samples3], %[matrix_j2]\n\t"
326 "bne %[samples_x], %[samples_end], 1b \n\t"
327 " lw %[samples_p], 0(%[samples_x]) \n\t"
329 "lw %[samples_p], 4(%[samples]) \n\t"
330 "swxc1 %[v0], %[i](%[samples_sw]) \n\t"
331 "swxc1 %[v1], %[i1](%[samples_sw]) \n\t"
332 "swxc1 %[v2], %[i2](%[samples_sw]) \n\t"
333 "swxc1 %[v3], %[i3](%[samples_sw]) \n\t"
334 "swxc1 %[v4], %[i](%[samples_p]) \n\t"
335 "addiu %[i], 16 \n\t"
336 "swxc1 %[v5], %[i1](%[samples_p]) \n\t"
337 "swxc1 %[v6], %[i2](%[samples_p]) \n\t"
338 "bne %[i], %[len], 2b \n\t"
339 " swxc1 %[v7], %[i3](%[samples_p]) \n\t"
342 "bne %[out_ch], %[i2], 6f \n\t"
346 "move %[matrix_p], %[matrix] \n\t"
347 "move %[samples_x], %[samples] \n\t"
348 "mtc1 $zero, %[v0] \n\t"
349 "mtc1 $zero, %[v1] \n\t"
350 "mtc1 $zero, %[v2] \n\t"
351 "mtc1 $zero, %[v3] \n\t"
352 "addiu %[i1], %[i], 4 \n\t"
353 "addiu %[i2], %[i], 8 \n\t"
354 "lw %[samples_p], 0(%[samples_x]) \n\t"
355 "addiu %[i3], %[i], 12 \n\t"
356 "addu %[samples_end], %[samples_x], %[j] \n\t"
357 "move %[samples_sw], %[samples_p] \n\t"
360 "lwc1 %[matrix_j], 0(%[matrix_p]) \n\t"
361 "lwxc1 %[samples0], %[i](%[samples_p]) \n\t"
362 "lwxc1 %[samples1], %[i1](%[samples_p]) \n\t"
363 "lwxc1 %[samples2], %[i2](%[samples_p]) \n\t"
364 "lwxc1 %[samples3], %[i3](%[samples_p]) \n\t"
365 "addiu %[matrix_p], 8 \n\t"
366 "addiu %[samples_x], 4 \n\t"
367 "madd.s %[v0], %[v0], %[samples0], %[matrix_j] \n\t"
368 "madd.s %[v1], %[v1], %[samples1], %[matrix_j] \n\t"
369 "madd.s %[v2], %[v2], %[samples2], %[matrix_j] \n\t"
370 "madd.s %[v3], %[v3], %[samples3], %[matrix_j] \n\t"
371 "bne %[samples_x], %[samples_end], 4b \n\t"
372 " lw %[samples_p], 0(%[samples_x]) \n\t"
374 "swxc1 %[v0], %[i](%[samples_sw]) \n\t"
375 "addiu %[i], 16 \n\t"
376 "swxc1 %[v1], %[i1](%[samples_sw]) \n\t"
377 "swxc1 %[v2], %[i2](%[samples_sw]) \n\t"
378 "bne %[i], %[len], 5b \n\t"
379 " swxc1 %[v3], %[i3](%[samples_sw]) \n\t"
383 :[samples_p]
"=&r"(samples_p), [matrix_j]
"=&f"(matrix_j), [matrix_j2]
"=&f"(matrix_j2),
384 [samples0]
"=&f"(samples0), [samples1]
"=&f"(samples1),
385 [samples2]
"=&f"(samples2), [samples3]
"=&f"(samples3),
386 [v0]
"=&f"(v0), [v1]
"=&f"(v1), [v2]
"=&f"(v2), [v3]
"=&f"(v3),
387 [v4]
"=&f"(v4), [v5]
"=&f"(v5), [v6]
"=&f"(v6), [v7]
"=&f"(v7),
388 [samples_x]
"=&r"(samples_x), [matrix_p]
"=&r"(matrix_p),
389 [samples_end]
"=&r"(samples_end), [samples_sw]
"=&r"(samples_sw),
390 [i1]
"=&r"(i1), [i2]
"=&r"(i2), [i3]
"=&r"(i3), [i]
"=&r"(i),
391 [j]
"=&r"(j), [
len]
"+r"(
len)
392 :[samples]
"r"(samples), [matrix]
"r"(matrix),
393 [in_ch]
"r"(in_ch), [out_ch]
"r"(out_ch)
406 #if HAVE_MIPSFPU && HAVE_MIPS32R2