1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324
|
/*
*
* Bluetooth low-complexity, subband codec (SBC) library
*
* Copyright (C) 2010 Keith Mok <ek9852@gmail.com>
* Copyright (C) 2008-2010 Nokia Corporation
* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
* Copyright (C) 2004-2005 Henryk Ploetz <henryk@ploetzli.ch>
* Copyright (C) 2005-2006 Brad Midgley <bmidgley@xmission.com>
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <stdint.h>
#include <limits.h>
#include "sbc.h"
#include "sbc_math.h"
#include "sbc_tables.h"
#include "sbc_primitives_iwmmxt.h"
/*
* IWMMXT optimizations
*/
#ifdef SBC_BUILD_WITH_IWMMXT_SUPPORT
static inline void sbc_analyze_four_iwmmxt(const int16_t *in, int32_t *out,
const FIXED_T *consts)
{
__asm__ volatile (
"wldrd wr0, [%0]\n"
"tbcstw wr4, %2\n"
"wldrd wr2, [%1]\n"
"wldrd wr1, [%0, #8]\n"
"wldrd wr3, [%1, #8]\n"
"wmadds wr0, wr2, wr0\n"
" wldrd wr6, [%0, #16]\n"
"wmadds wr1, wr3, wr1\n"
" wldrd wr7, [%0, #24]\n"
"waddwss wr0, wr0, wr4\n"
" wldrd wr8, [%1, #16]\n"
"waddwss wr1, wr1, wr4\n"
" wldrd wr9, [%1, #24]\n"
" wmadds wr6, wr8, wr6\n"
" wldrd wr2, [%0, #32]\n"
" wmadds wr7, wr9, wr7\n"
" wldrd wr3, [%0, #40]\n"
" waddwss wr0, wr6, wr0\n"
" wldrd wr4, [%1, #32]\n"
" waddwss wr1, wr7, wr1\n"
" wldrd wr5, [%1, #40]\n"
" wmadds wr2, wr4, wr2\n"
"wldrd wr6, [%0, #48]\n"
" wmadds wr3, wr5, wr3\n"
"wldrd wr7, [%0, #56]\n"
" waddwss wr0, wr2, wr0\n"
"wldrd wr8, [%1, #48]\n"
" waddwss wr1, wr3, wr1\n"
"wldrd wr9, [%1, #56]\n"
"wmadds wr6, wr8, wr6\n"
" wldrd wr2, [%0, #64]\n"
"wmadds wr7, wr9, wr7\n"
" wldrd wr3, [%0, #72]\n"
"waddwss wr0, wr6, wr0\n"
" wldrd wr4, [%1, #64]\n"
"waddwss wr1, wr7, wr1\n"
" wldrd wr5, [%1, #72]\n"
" wmadds wr2, wr4, wr2\n"
"tmcr wcgr0, %4\n"
" wmadds wr3, wr5, wr3\n"
" waddwss wr0, wr2, wr0\n"
" waddwss wr1, wr3, wr1\n"
"\n"
"wsrawg wr0, wr0, wcgr0\n"
" wldrd wr4, [%1, #80]\n"
"wsrawg wr1, wr1, wcgr0\n"
" wldrd wr5, [%1, #88]\n"
"wpackwss wr0, wr0, wr0\n"
" wldrd wr6, [%1, #96]\n"
"wpackwss wr1, wr1, wr1\n"
"wmadds wr2, wr5, wr0\n"
" wldrd wr7, [%1, #104]\n"
"wmadds wr0, wr4, wr0\n"
"\n"
" wmadds wr3, wr7, wr1\n"
" wmadds wr1, wr6, wr1\n"
" waddwss wr2, wr3, wr2\n"
" waddwss wr0, wr1, wr0\n"
"\n"
"wstrd wr0, [%3]\n"
"wstrd wr2, [%3, #8]\n"
:
: "r" (in), "r" (consts),
"r" (1 << (SBC_PROTO_FIXED4_SCALE - 1)), "r" (out),
"r" (SBC_PROTO_FIXED4_SCALE)
: "wr0", "wr1", "wr2", "wr3", "wr4", "wr5", "wr6", "wr7",
"wr8", "wr9", "wcgr0", "memory");
}
static inline void sbc_analyze_eight_iwmmxt(const int16_t *in, int32_t *out,
const FIXED_T *consts)
{
__asm__ volatile (
"wldrd wr0, [%0]\n"
"tbcstw wr15, %2\n"
"wldrd wr1, [%0, #8]\n"
"wldrd wr2, [%0, #16]\n"
"wldrd wr3, [%0, #24]\n"
"wldrd wr4, [%1]\n"
"wldrd wr5, [%1, #8]\n"
"wldrd wr6, [%1, #16]\n"
"wldrd wr7, [%1, #24]\n"
"wmadds wr0, wr0, wr4\n"
" wldrd wr8, [%1, #32]\n"
"wmadds wr1, wr1, wr5\n"
" wldrd wr9, [%1, #40]\n"
"wmadds wr2, wr2, wr6\n"
" wldrd wr10, [%1, #48]\n"
"wmadds wr3, wr3, wr7\n"
" wldrd wr11, [%1, #56]\n"
"waddwss wr0, wr0, wr15\n"
" wldrd wr4, [%0, #32]\n"
"waddwss wr1, wr1, wr15\n"
" wldrd wr5, [%0, #40]\n"
"waddwss wr2, wr2, wr15\n"
" wldrd wr6, [%0, #48]\n"
"waddwss wr3, wr3, wr15\n"
" wldrd wr7, [%0, #56]\n"
" wmadds wr4, wr4, wr8\n"
" wldrd wr12, [%0, #64]\n"
" wmadds wr5, wr5, wr9\n"
" wldrd wr13, [%0, #72]\n"
" wmadds wr6, wr6, wr10\n"
" wldrd wr14, [%0, #80]\n"
" wmadds wr7, wr7, wr11\n"
" wldrd wr15, [%0, #88]\n"
" waddwss wr0, wr4, wr0\n"
" wldrd wr8, [%1, #64]\n"
" waddwss wr1, wr5, wr1\n"
" wldrd wr9, [%1, #72]\n"
" waddwss wr2, wr6, wr2\n"
" wldrd wr10, [%1, #80]\n"
" waddwss wr3, wr7, wr3\n"
" wldrd wr11, [%1, #88]\n"
" wmadds wr12, wr12, wr8\n"
"wldrd wr4, [%0, #96]\n"
" wmadds wr13, wr13, wr9\n"
"wldrd wr5, [%0, #104]\n"
" wmadds wr14, wr14, wr10\n"
"wldrd wr6, [%0, #112]\n"
" wmadds wr15, wr15, wr11\n"
"wldrd wr7, [%0, #120]\n"
" waddwss wr0, wr12, wr0\n"
"wldrd wr8, [%1, #96]\n"
" waddwss wr1, wr13, wr1\n"
"wldrd wr9, [%1, #104]\n"
" waddwss wr2, wr14, wr2\n"
"wldrd wr10, [%1, #112]\n"
" waddwss wr3, wr15, wr3\n"
"wldrd wr11, [%1, #120]\n"
"wmadds wr4, wr4, wr8\n"
" wldrd wr12, [%0, #128]\n"
"wmadds wr5, wr5, wr9\n"
" wldrd wr13, [%0, #136]\n"
"wmadds wr6, wr6, wr10\n"
" wldrd wr14, [%0, #144]\n"
"wmadds wr7, wr7, wr11\n"
" wldrd wr15, [%0, #152]\n"
"waddwss wr0, wr4, wr0\n"
" wldrd wr8, [%1, #128]\n"
"waddwss wr1, wr5, wr1\n"
" wldrd wr9, [%1, #136]\n"
"waddwss wr2, wr6, wr2\n"
" wldrd wr10, [%1, #144]\n"
" waddwss wr3, wr7, wr3\n"
" wldrd wr11, [%1, #152]\n"
" wmadds wr12, wr12, wr8\n"
"tmcr wcgr0, %4\n"
" wmadds wr13, wr13, wr9\n"
" wmadds wr14, wr14, wr10\n"
" wmadds wr15, wr15, wr11\n"
" waddwss wr0, wr12, wr0\n"
" waddwss wr1, wr13, wr1\n"
" waddwss wr2, wr14, wr2\n"
" waddwss wr3, wr15, wr3\n"
"\n"
"wsrawg wr0, wr0, wcgr0\n"
"wsrawg wr1, wr1, wcgr0\n"
"wsrawg wr2, wr2, wcgr0\n"
"wsrawg wr3, wr3, wcgr0\n"
"\n"
"wpackwss wr0, wr0, wr0\n"
"wpackwss wr1, wr1, wr1\n"
" wldrd wr4, [%1, #160]\n"
"wpackwss wr2, wr2, wr2\n"
" wldrd wr5, [%1, #168]\n"
"wpackwss wr3, wr3, wr3\n"
" wldrd wr6, [%1, #192]\n"
" wmadds wr4, wr4, wr0\n"
" wldrd wr7, [%1, #200]\n"
" wmadds wr5, wr5, wr0\n"
" wldrd wr8, [%1, #224]\n"
" wmadds wr6, wr6, wr1\n"
" wldrd wr9, [%1, #232]\n"
" wmadds wr7, wr7, wr1\n"
" waddwss wr4, wr6, wr4\n"
" waddwss wr5, wr7, wr5\n"
" wmadds wr8, wr8, wr2\n"
"wldrd wr6, [%1, #256]\n"
" wmadds wr9, wr9, wr2\n"
"wldrd wr7, [%1, #264]\n"
"waddwss wr4, wr8, wr4\n"
" waddwss wr5, wr9, wr5\n"
"wmadds wr6, wr6, wr3\n"
"wmadds wr7, wr7, wr3\n"
"waddwss wr4, wr6, wr4\n"
"waddwss wr5, wr7, wr5\n"
"\n"
"wstrd wr4, [%3]\n"
"wstrd wr5, [%3, #8]\n"
"\n"
"wldrd wr6, [%1, #176]\n"
"wldrd wr5, [%1, #184]\n"
"wmadds wr5, wr5, wr0\n"
"wldrd wr8, [%1, #208]\n"
"wmadds wr0, wr6, wr0\n"
"wldrd wr9, [%1, #216]\n"
"wmadds wr9, wr9, wr1\n"
"wldrd wr6, [%1, #240]\n"
"wmadds wr1, wr8, wr1\n"
"wldrd wr7, [%1, #248]\n"
"waddwss wr0, wr1, wr0\n"
"waddwss wr5, wr9, wr5\n"
"wmadds wr7, wr7, wr2\n"
"wldrd wr8, [%1, #272]\n"
"wmadds wr2, wr6, wr2\n"
"wldrd wr9, [%1, #280]\n"
"waddwss wr0, wr2, wr0\n"
"waddwss wr5, wr7, wr5\n"
"wmadds wr9, wr9, wr3\n"
"wmadds wr3, wr8, wr3\n"
"waddwss wr0, wr3, wr0\n"
"waddwss wr5, wr9, wr5\n"
"\n"
"wstrd wr0, [%3, #16]\n"
"wstrd wr5, [%3, #24]\n"
:
: "r" (in), "r" (consts),
"r" (1 << (SBC_PROTO_FIXED8_SCALE - 1)), "r" (out),
"r" (SBC_PROTO_FIXED8_SCALE)
: "wr0", "wr1", "wr2", "wr3", "wr4", "wr5", "wr6", "wr7",
"wr8", "wr9", "wr10", "wr11", "wr12", "wr13", "wr14", "wr15",
"wcgr0", "memory");
}
static inline void sbc_analyze_4b_4s_iwmmxt(struct sbc_encoder_state *state,
int16_t *x, int32_t *out, int out_stride)
{
/* Analyze blocks */
sbc_analyze_four_iwmmxt(x + 12, out, analysis_consts_fixed4_simd_odd);
out += out_stride;
sbc_analyze_four_iwmmxt(x + 8, out, analysis_consts_fixed4_simd_even);
out += out_stride;
sbc_analyze_four_iwmmxt(x + 4, out, analysis_consts_fixed4_simd_odd);
out += out_stride;
sbc_analyze_four_iwmmxt(x + 0, out, analysis_consts_fixed4_simd_even);
}
static inline void sbc_analyze_4b_8s_iwmmxt(struct sbc_encoder_state *state,
int16_t *x, int32_t *out, int out_stride)
{
/* Analyze blocks */
sbc_analyze_eight_iwmmxt(x + 24, out, analysis_consts_fixed8_simd_odd);
out += out_stride;
sbc_analyze_eight_iwmmxt(x + 16, out, analysis_consts_fixed8_simd_even);
out += out_stride;
sbc_analyze_eight_iwmmxt(x + 8, out, analysis_consts_fixed8_simd_odd);
out += out_stride;
sbc_analyze_eight_iwmmxt(x + 0, out, analysis_consts_fixed8_simd_even);
}
static inline void sbc_analyze_1b_8s_iwmmxt_even(struct sbc_encoder_state *state,
int16_t *x, int32_t *out, int out_stride);
static inline void sbc_analyze_1b_8s_iwmmxt_odd(struct sbc_encoder_state *state,
int16_t *x, int32_t *out, int out_stride)
{
sbc_analyze_eight_iwmmxt(x, out, analysis_consts_fixed8_simd_odd);
state->sbc_analyze_8s = sbc_analyze_1b_8s_iwmmxt_even;
}
static inline void sbc_analyze_1b_8s_iwmmxt_even(struct sbc_encoder_state *state,
int16_t *x, int32_t *out, int out_stride)
{
sbc_analyze_eight_iwmmxt(x, out, analysis_consts_fixed8_simd_even);
state->sbc_analyze_8s = sbc_analyze_1b_8s_iwmmxt_odd;
}
void sbc_init_primitives_iwmmxt(struct sbc_encoder_state *state)
{
state->sbc_analyze_4s = sbc_analyze_4b_4s_iwmmxt;
if (state->increment == 1)
state->sbc_analyze_8s = sbc_analyze_1b_8s_iwmmxt_odd;
else
state->sbc_analyze_8s = sbc_analyze_4b_8s_iwmmxt;
state->implementation_info = "IWMMXT";
}
#endif
|