| 1 | ;***************************************************************************** |
| 2 | ;* SSE2-optimized weighted prediction code |
| 3 | ;***************************************************************************** |
| 4 | ;* Copyright (c) 2004-2005 Michael Niedermayer, Loren Merritt |
| 5 | ;* Copyright (C) 2010 Eli Friedman <eli.friedman@gmail.com> |
| 6 | ;* |
| 7 | ;* This file is part of FFmpeg. |
| 8 | ;* |
| 9 | ;* FFmpeg is free software; you can redistribute it and/or |
| 10 | ;* modify it under the terms of the GNU Lesser General Public |
| 11 | ;* License as published by the Free Software Foundation; either |
| 12 | ;* version 2.1 of the License, or (at your option) any later version. |
| 13 | ;* |
| 14 | ;* FFmpeg is distributed in the hope that it will be useful, |
| 15 | ;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | ;* Lesser General Public License for more details. |
| 18 | ;* |
| 19 | ;* You should have received a copy of the GNU Lesser General Public |
| 20 | ;* License along with FFmpeg; if not, write to the Free Software |
| 21 | ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 22 | ;****************************************************************************** |
| 23 | |
| 24 | %include "libavutil/x86/x86util.asm" |
| 25 | |
| 26 | SECTION .text |
| 27 | |
| 28 | ;----------------------------------------------------------------------------- |
| 29 | ; biweight pred: |
| 30 | ; |
| 31 | ; void ff_h264_biweight_16_sse2(uint8_t *dst, uint8_t *src, int stride, |
| 32 | ; int height, int log2_denom, int weightd, |
| 33 | ; int weights, int offset); |
| 34 | ; and |
| 35 | ; void ff_h264_weight_16_sse2(uint8_t *dst, int stride, int height, |
| 36 | ; int log2_denom, int weight, int offset); |
| 37 | ;----------------------------------------------------------------------------- |
| 38 | |
| 39 | %macro WEIGHT_SETUP 0 |
| 40 | add r5, r5 |
| 41 | inc r5 |
| 42 | movd m3, r4d |
| 43 | movd m5, r5d |
| 44 | movd m6, r3d |
| 45 | pslld m5, m6 |
| 46 | psrld m5, 1 |
| 47 | %if mmsize == 16 |
| 48 | pshuflw m3, m3, 0 |
| 49 | pshuflw m5, m5, 0 |
| 50 | punpcklqdq m3, m3 |
| 51 | punpcklqdq m5, m5 |
| 52 | %else |
| 53 | pshufw m3, m3, 0 |
| 54 | pshufw m5, m5, 0 |
| 55 | %endif |
| 56 | pxor m7, m7 |
| 57 | %endmacro |
| 58 | |
| 59 | %macro WEIGHT_OP 2 |
| 60 | movh m0, [r0+%1] |
| 61 | movh m1, [r0+%2] |
| 62 | punpcklbw m0, m7 |
| 63 | punpcklbw m1, m7 |
| 64 | pmullw m0, m3 |
| 65 | pmullw m1, m3 |
| 66 | paddsw m0, m5 |
| 67 | paddsw m1, m5 |
| 68 | psraw m0, m6 |
| 69 | psraw m1, m6 |
| 70 | packuswb m0, m1 |
| 71 | %endmacro |
| 72 | |
| 73 | INIT_MMX mmxext |
| 74 | cglobal h264_weight_16, 6, 6, 0 |
| 75 | WEIGHT_SETUP |
| 76 | .nextrow: |
| 77 | WEIGHT_OP 0, 4 |
| 78 | mova [r0 ], m0 |
| 79 | WEIGHT_OP 8, 12 |
| 80 | mova [r0+8], m0 |
| 81 | add r0, r1 |
| 82 | dec r2d |
| 83 | jnz .nextrow |
| 84 | REP_RET |
| 85 | |
| 86 | %macro WEIGHT_FUNC_MM 2 |
| 87 | cglobal h264_weight_%1, 6, 6, %2 |
| 88 | WEIGHT_SETUP |
| 89 | .nextrow: |
| 90 | WEIGHT_OP 0, mmsize/2 |
| 91 | mova [r0], m0 |
| 92 | add r0, r1 |
| 93 | dec r2d |
| 94 | jnz .nextrow |
| 95 | REP_RET |
| 96 | %endmacro |
| 97 | |
| 98 | INIT_MMX mmxext |
| 99 | WEIGHT_FUNC_MM 8, 0 |
| 100 | INIT_XMM sse2 |
| 101 | WEIGHT_FUNC_MM 16, 8 |
| 102 | |
| 103 | %macro WEIGHT_FUNC_HALF_MM 2 |
| 104 | cglobal h264_weight_%1, 6, 6, %2 |
| 105 | WEIGHT_SETUP |
| 106 | sar r2d, 1 |
| 107 | lea r3, [r1*2] |
| 108 | .nextrow: |
| 109 | WEIGHT_OP 0, r1 |
| 110 | movh [r0], m0 |
| 111 | %if mmsize == 16 |
| 112 | movhps [r0+r1], m0 |
| 113 | %else |
| 114 | psrlq m0, 32 |
| 115 | movh [r0+r1], m0 |
| 116 | %endif |
| 117 | add r0, r3 |
| 118 | dec r2d |
| 119 | jnz .nextrow |
| 120 | REP_RET |
| 121 | %endmacro |
| 122 | |
| 123 | INIT_MMX mmxext |
| 124 | WEIGHT_FUNC_HALF_MM 4, 0 |
| 125 | INIT_XMM sse2 |
| 126 | WEIGHT_FUNC_HALF_MM 8, 8 |
| 127 | |
| 128 | %macro BIWEIGHT_SETUP 0 |
| 129 | %if ARCH_X86_64 |
| 130 | %define off_regd r7d |
| 131 | %else |
| 132 | %define off_regd r3d |
| 133 | %endif |
| 134 | mov off_regd, r7m |
| 135 | add off_regd, 1 |
| 136 | or off_regd, 1 |
| 137 | add r4, 1 |
| 138 | cmp r5, 128 |
| 139 | jne .normal |
| 140 | sar r5, 1 |
| 141 | sar r6, 1 |
| 142 | sar off_regd, 1 |
| 143 | sub r4, 1 |
| 144 | .normal |
| 145 | %if cpuflag(ssse3) |
| 146 | movd m4, r5d |
| 147 | movd m0, r6d |
| 148 | %else |
| 149 | movd m3, r5d |
| 150 | movd m4, r6d |
| 151 | %endif |
| 152 | movd m5, off_regd |
| 153 | movd m6, r4d |
| 154 | pslld m5, m6 |
| 155 | psrld m5, 1 |
| 156 | %if cpuflag(ssse3) |
| 157 | punpcklbw m4, m0 |
| 158 | pshuflw m4, m4, 0 |
| 159 | pshuflw m5, m5, 0 |
| 160 | punpcklqdq m4, m4 |
| 161 | punpcklqdq m5, m5 |
| 162 | |
| 163 | %else |
| 164 | %if mmsize == 16 |
| 165 | pshuflw m3, m3, 0 |
| 166 | pshuflw m4, m4, 0 |
| 167 | pshuflw m5, m5, 0 |
| 168 | punpcklqdq m3, m3 |
| 169 | punpcklqdq m4, m4 |
| 170 | punpcklqdq m5, m5 |
| 171 | %else |
| 172 | pshufw m3, m3, 0 |
| 173 | pshufw m4, m4, 0 |
| 174 | pshufw m5, m5, 0 |
| 175 | %endif |
| 176 | pxor m7, m7 |
| 177 | %endif |
| 178 | %endmacro |
| 179 | |
| 180 | %macro BIWEIGHT_STEPA 3 |
| 181 | movh m%1, [r0+%3] |
| 182 | movh m%2, [r1+%3] |
| 183 | punpcklbw m%1, m7 |
| 184 | punpcklbw m%2, m7 |
| 185 | pmullw m%1, m3 |
| 186 | pmullw m%2, m4 |
| 187 | paddsw m%1, m%2 |
| 188 | %endmacro |
| 189 | |
| 190 | %macro BIWEIGHT_STEPB 0 |
| 191 | paddsw m0, m5 |
| 192 | paddsw m1, m5 |
| 193 | psraw m0, m6 |
| 194 | psraw m1, m6 |
| 195 | packuswb m0, m1 |
| 196 | %endmacro |
| 197 | |
| 198 | INIT_MMX mmxext |
| 199 | cglobal h264_biweight_16, 7, 8, 0 |
| 200 | BIWEIGHT_SETUP |
| 201 | movifnidn r3d, r3m |
| 202 | .nextrow: |
| 203 | BIWEIGHT_STEPA 0, 1, 0 |
| 204 | BIWEIGHT_STEPA 1, 2, 4 |
| 205 | BIWEIGHT_STEPB |
| 206 | mova [r0], m0 |
| 207 | BIWEIGHT_STEPA 0, 1, 8 |
| 208 | BIWEIGHT_STEPA 1, 2, 12 |
| 209 | BIWEIGHT_STEPB |
| 210 | mova [r0+8], m0 |
| 211 | add r0, r2 |
| 212 | add r1, r2 |
| 213 | dec r3d |
| 214 | jnz .nextrow |
| 215 | REP_RET |
| 216 | |
| 217 | %macro BIWEIGHT_FUNC_MM 2 |
| 218 | cglobal h264_biweight_%1, 7, 8, %2 |
| 219 | BIWEIGHT_SETUP |
| 220 | movifnidn r3d, r3m |
| 221 | .nextrow: |
| 222 | BIWEIGHT_STEPA 0, 1, 0 |
| 223 | BIWEIGHT_STEPA 1, 2, mmsize/2 |
| 224 | BIWEIGHT_STEPB |
| 225 | mova [r0], m0 |
| 226 | add r0, r2 |
| 227 | add r1, r2 |
| 228 | dec r3d |
| 229 | jnz .nextrow |
| 230 | REP_RET |
| 231 | %endmacro |
| 232 | |
| 233 | INIT_MMX mmxext |
| 234 | BIWEIGHT_FUNC_MM 8, 0 |
| 235 | INIT_XMM sse2 |
| 236 | BIWEIGHT_FUNC_MM 16, 8 |
| 237 | |
| 238 | %macro BIWEIGHT_FUNC_HALF_MM 2 |
| 239 | cglobal h264_biweight_%1, 7, 8, %2 |
| 240 | BIWEIGHT_SETUP |
| 241 | movifnidn r3d, r3m |
| 242 | sar r3, 1 |
| 243 | lea r4, [r2*2] |
| 244 | .nextrow: |
| 245 | BIWEIGHT_STEPA 0, 1, 0 |
| 246 | BIWEIGHT_STEPA 1, 2, r2 |
| 247 | BIWEIGHT_STEPB |
| 248 | movh [r0], m0 |
| 249 | %if mmsize == 16 |
| 250 | movhps [r0+r2], m0 |
| 251 | %else |
| 252 | psrlq m0, 32 |
| 253 | movh [r0+r2], m0 |
| 254 | %endif |
| 255 | add r0, r4 |
| 256 | add r1, r4 |
| 257 | dec r3d |
| 258 | jnz .nextrow |
| 259 | REP_RET |
| 260 | %endmacro |
| 261 | |
| 262 | INIT_MMX mmxext |
| 263 | BIWEIGHT_FUNC_HALF_MM 4, 0 |
| 264 | INIT_XMM sse2 |
| 265 | BIWEIGHT_FUNC_HALF_MM 8, 8 |
| 266 | |
| 267 | %macro BIWEIGHT_SSSE3_OP 0 |
| 268 | pmaddubsw m0, m4 |
| 269 | pmaddubsw m2, m4 |
| 270 | paddsw m0, m5 |
| 271 | paddsw m2, m5 |
| 272 | psraw m0, m6 |
| 273 | psraw m2, m6 |
| 274 | packuswb m0, m2 |
| 275 | %endmacro |
| 276 | |
| 277 | INIT_XMM ssse3 |
| 278 | cglobal h264_biweight_16, 7, 8, 8 |
| 279 | BIWEIGHT_SETUP |
| 280 | movifnidn r3d, r3m |
| 281 | |
| 282 | .nextrow: |
| 283 | movh m0, [r0] |
| 284 | movh m2, [r0+8] |
| 285 | movh m3, [r1+8] |
| 286 | punpcklbw m0, [r1] |
| 287 | punpcklbw m2, m3 |
| 288 | BIWEIGHT_SSSE3_OP |
| 289 | mova [r0], m0 |
| 290 | add r0, r2 |
| 291 | add r1, r2 |
| 292 | dec r3d |
| 293 | jnz .nextrow |
| 294 | REP_RET |
| 295 | |
| 296 | INIT_XMM ssse3 |
| 297 | cglobal h264_biweight_8, 7, 8, 8 |
| 298 | BIWEIGHT_SETUP |
| 299 | movifnidn r3d, r3m |
| 300 | sar r3, 1 |
| 301 | lea r4, [r2*2] |
| 302 | |
| 303 | .nextrow: |
| 304 | movh m0, [r0] |
| 305 | movh m1, [r1] |
| 306 | movh m2, [r0+r2] |
| 307 | movh m3, [r1+r2] |
| 308 | punpcklbw m0, m1 |
| 309 | punpcklbw m2, m3 |
| 310 | BIWEIGHT_SSSE3_OP |
| 311 | movh [r0], m0 |
| 312 | movhps [r0+r2], m0 |
| 313 | add r0, r4 |
| 314 | add r1, r4 |
| 315 | dec r3d |
| 316 | jnz .nextrow |
| 317 | REP_RET |