| 1 | /* |
| 2 | * XVID MPEG-4 VIDEO CODEC |
| 3 | * - SSE2 inverse discrete cosine transform - |
| 4 | * |
| 5 | * Copyright(C) 2003 Pascal Massimino <skal@planet-d.net> |
| 6 | * |
| 7 | * Conversion to gcc syntax with modifications |
| 8 | * by Alexander Strange <astrange@ithinksw.com> |
| 9 | * |
| 10 | * Originally from dct/x86_asm/fdct_sse2_skal.asm in Xvid. |
| 11 | * |
| 12 | * This file is part of FFmpeg. |
| 13 | * |
| 14 | * Vertical pass is an implementation of the scheme: |
| 15 | * Loeffler C., Ligtenberg A., and Moschytz C.S.: |
| 16 | * Practical Fast 1D DCT Algorithm with Eleven Multiplications, |
| 17 | * Proc. ICASSP 1989, 988-991. |
| 18 | * |
| 19 | * Horizontal pass is a double 4x4 vector/matrix multiplication, |
| 20 | * (see also Intel's Application Note 922: |
| 21 | * http://developer.intel.com/vtune/cbts/strmsimd/922down.htm |
| 22 | * Copyright (C) 1999 Intel Corporation) |
| 23 | * |
| 24 | * More details at http://skal.planet-d.net/coding/dct.html |
| 25 | * |
| 26 | * FFmpeg is free software; you can redistribute it and/or |
| 27 | * modify it under the terms of the GNU Lesser General Public |
| 28 | * License as published by the Free Software Foundation; either |
| 29 | * version 2.1 of the License, or (at your option) any later version. |
| 30 | * |
| 31 | * FFmpeg is distributed in the hope that it will be useful, |
| 32 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 33 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 34 | * Lesser General Public License for more details. |
| 35 | * |
| 36 | * You should have received a copy of the GNU Lesser General Public License |
| 37 | * along with FFmpeg; if not, write to the Free Software Foundation, |
| 38 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 39 | */ |
| 40 | |
| 41 | #include "libavutil/mem.h" |
| 42 | #include "libavutil/x86/asm.h" |
| 43 | |
| 44 | #include "idctdsp.h" |
| 45 | #include "xvididct.h" |
| 46 | |
| 47 | #if HAVE_SSE2_INLINE |
| 48 | |
| 49 | /** |
| 50 | * @file |
| 51 | * @brief SSE2 IDCT compatible with the Xvid IDCT |
| 52 | */ |
| 53 | |
| 54 | #define X8(x) x, x, x, x, x, x, x, x |
| 55 | |
| 56 | DECLARE_ASM_CONST(16, int16_t, tan1)[] = { X8(13036) }; // tan( pi/16) |
| 57 | DECLARE_ASM_CONST(16, int16_t, tan2)[] = { X8(27146) }; // tan(2pi/16) = sqrt(2)-1 |
| 58 | DECLARE_ASM_CONST(16, int16_t, tan3)[] = { X8(43790) }; // tan(3pi/16)-1 |
| 59 | DECLARE_ASM_CONST(16, int16_t, sqrt2)[] = { X8(23170) }; // 0.5/sqrt(2) |
| 60 | DECLARE_ASM_CONST(8, uint8_t, m127)[] = { X8(127) }; |
| 61 | |
| 62 | DECLARE_ASM_CONST(16, int16_t, iTab1)[] = { |
| 63 | 0x4000, 0x539f, 0xc000, 0xac61, 0x4000, 0xdd5d, 0x4000, 0xdd5d, |
| 64 | 0x4000, 0x22a3, 0x4000, 0x22a3, 0xc000, 0x539f, 0x4000, 0xac61, |
| 65 | 0x3249, 0x11a8, 0x4b42, 0xee58, 0x11a8, 0x4b42, 0x11a8, 0xcdb7, |
| 66 | 0x58c5, 0x4b42, 0xa73b, 0xcdb7, 0x3249, 0xa73b, 0x4b42, 0xa73b |
| 67 | }; |
| 68 | |
| 69 | DECLARE_ASM_CONST(16, int16_t, iTab2)[] = { |
| 70 | 0x58c5, 0x73fc, 0xa73b, 0x8c04, 0x58c5, 0xcff5, 0x58c5, 0xcff5, |
| 71 | 0x58c5, 0x300b, 0x58c5, 0x300b, 0xa73b, 0x73fc, 0x58c5, 0x8c04, |
| 72 | 0x45bf, 0x187e, 0x6862, 0xe782, 0x187e, 0x6862, 0x187e, 0xba41, |
| 73 | 0x7b21, 0x6862, 0x84df, 0xba41, 0x45bf, 0x84df, 0x6862, 0x84df |
| 74 | }; |
| 75 | |
| 76 | DECLARE_ASM_CONST(16, int16_t, iTab3)[] = { |
| 77 | 0x539f, 0x6d41, 0xac61, 0x92bf, 0x539f, 0xd2bf, 0x539f, 0xd2bf, |
| 78 | 0x539f, 0x2d41, 0x539f, 0x2d41, 0xac61, 0x6d41, 0x539f, 0x92bf, |
| 79 | 0x41b3, 0x1712, 0x6254, 0xe8ee, 0x1712, 0x6254, 0x1712, 0xbe4d, |
| 80 | 0x73fc, 0x6254, 0x8c04, 0xbe4d, 0x41b3, 0x8c04, 0x6254, 0x8c04 |
| 81 | }; |
| 82 | |
| 83 | DECLARE_ASM_CONST(16, int16_t, iTab4)[] = { |
| 84 | 0x4b42, 0x6254, 0xb4be, 0x9dac, 0x4b42, 0xd746, 0x4b42, 0xd746, |
| 85 | 0x4b42, 0x28ba, 0x4b42, 0x28ba, 0xb4be, 0x6254, 0x4b42, 0x9dac, |
| 86 | 0x3b21, 0x14c3, 0x587e, 0xeb3d, 0x14c3, 0x587e, 0x14c3, 0xc4df, |
| 87 | 0x6862, 0x587e, 0x979e, 0xc4df, 0x3b21, 0x979e, 0x587e, 0x979e |
| 88 | }; |
| 89 | |
| 90 | DECLARE_ASM_CONST(16, int32_t, walkenIdctRounders)[] = { |
| 91 | 65536, 65536, 65536, 65536, |
| 92 | 3597, 3597, 3597, 3597, |
| 93 | 2260, 2260, 2260, 2260, |
| 94 | 1203, 1203, 1203, 1203, |
| 95 | 120, 120, 120, 120, |
| 96 | 512, 512, 512, 512 |
| 97 | }; |
| 98 | |
| 99 | // Temporary storage before the column pass |
| 100 | #define ROW1 "%%xmm6" |
| 101 | #define ROW3 "%%xmm4" |
| 102 | #define ROW5 "%%xmm5" |
| 103 | #define ROW7 "%%xmm7" |
| 104 | |
| 105 | #define CLEAR_ODD(r) "pxor "r","r" \n\t" |
| 106 | #define PUT_ODD(dst) "pshufhw $0x1B, %%xmm2, "dst" \n\t" |
| 107 | |
| 108 | #if ARCH_X86_64 |
| 109 | |
| 110 | # define ROW0 "%%xmm8" |
| 111 | # define REG0 ROW0 |
| 112 | # define ROW2 "%%xmm9" |
| 113 | # define REG2 ROW2 |
| 114 | # define ROW4 "%%xmm10" |
| 115 | # define REG4 ROW4 |
| 116 | # define ROW6 "%%xmm11" |
| 117 | # define REG6 ROW6 |
| 118 | # define CLEAR_EVEN(r) CLEAR_ODD(r) |
| 119 | # define PUT_EVEN(dst) PUT_ODD(dst) |
| 120 | # define XMMS "%%xmm12" |
| 121 | # define MOV_32_ONLY "#" |
| 122 | # define SREG2 REG2 |
| 123 | # define TAN3 "%%xmm13" |
| 124 | # define TAN1 "%%xmm14" |
| 125 | |
| 126 | #else |
| 127 | |
| 128 | # define ROW0 "(%0)" |
| 129 | # define REG0 "%%xmm4" |
| 130 | # define ROW2 "2*16(%0)" |
| 131 | # define REG2 "%%xmm4" |
| 132 | # define ROW4 "4*16(%0)" |
| 133 | # define REG4 "%%xmm6" |
| 134 | # define ROW6 "6*16(%0)" |
| 135 | # define REG6 "%%xmm6" |
| 136 | # define CLEAR_EVEN(r) |
| 137 | # define PUT_EVEN(dst) \ |
| 138 | "pshufhw $0x1B, %%xmm2, %%xmm2 \n\t" \ |
| 139 | "movdqa %%xmm2, "dst" \n\t" |
| 140 | # define XMMS "%%xmm2" |
| 141 | # define MOV_32_ONLY "movdqa " |
| 142 | # define SREG2 "%%xmm7" |
| 143 | # define TAN3 "%%xmm0" |
| 144 | # define TAN1 "%%xmm2" |
| 145 | |
| 146 | #endif |
| 147 | |
| 148 | #define ROUND(x) "paddd "x |
| 149 | |
| 150 | #define JZ(reg, to) \ |
| 151 | "testl "reg","reg" \n\t" \ |
| 152 | "jz "to" \n\t" |
| 153 | |
| 154 | #define JNZ(reg, to) \ |
| 155 | "testl "reg","reg" \n\t" \ |
| 156 | "jnz "to" \n\t" |
| 157 | |
| 158 | #define TEST_ONE_ROW(src, reg, clear) \ |
| 159 | clear \ |
| 160 | "movq "src", %%mm1 \n\t" \ |
| 161 | "por 8+"src", %%mm1 \n\t" \ |
| 162 | "paddusb %%mm0, %%mm1 \n\t" \ |
| 163 | "pmovmskb %%mm1, "reg" \n\t" |
| 164 | |
| 165 | #define TEST_TWO_ROWS(row1, row2, reg1, reg2, clear1, clear2) \ |
| 166 | clear1 \ |
| 167 | clear2 \ |
| 168 | "movq "row1", %%mm1 \n\t" \ |
| 169 | "por 8+"row1", %%mm1 \n\t" \ |
| 170 | "movq "row2", %%mm2 \n\t" \ |
| 171 | "por 8+"row2", %%mm2 \n\t" \ |
| 172 | "paddusb %%mm0, %%mm1 \n\t" \ |
| 173 | "paddusb %%mm0, %%mm2 \n\t" \ |
| 174 | "pmovmskb %%mm1, "reg1" \n\t" \ |
| 175 | "pmovmskb %%mm2, "reg2" \n\t" |
| 176 | |
| 177 | /// IDCT pass on rows. |
| 178 | #define iMTX_MULT(src, table, rounder, put) \ |
| 179 | "movdqa "src", %%xmm3 \n\t" \ |
| 180 | "movdqa %%xmm3, %%xmm0 \n\t" \ |
| 181 | "pshufd $0x11, %%xmm3, %%xmm1 \n\t" /* 4602 */ \ |
| 182 | "punpcklqdq %%xmm0, %%xmm0 \n\t" /* 0246 */ \ |
| 183 | "pmaddwd "table", %%xmm0 \n\t" \ |
| 184 | "pmaddwd 16+"table", %%xmm1 \n\t" \ |
| 185 | "pshufd $0xBB, %%xmm3, %%xmm2 \n\t" /* 5713 */ \ |
| 186 | "punpckhqdq %%xmm3, %%xmm3 \n\t" /* 1357 */ \ |
| 187 | "pmaddwd 32+"table", %%xmm2 \n\t" \ |
| 188 | "pmaddwd 48+"table", %%xmm3 \n\t" \ |
| 189 | "paddd %%xmm1, %%xmm0 \n\t" \ |
| 190 | "paddd %%xmm3, %%xmm2 \n\t" \ |
| 191 | rounder", %%xmm0 \n\t" \ |
| 192 | "movdqa %%xmm2, %%xmm3 \n\t" \ |
| 193 | "paddd %%xmm0, %%xmm2 \n\t" \ |
| 194 | "psubd %%xmm3, %%xmm0 \n\t" \ |
| 195 | "psrad $11, %%xmm2 \n\t" \ |
| 196 | "psrad $11, %%xmm0 \n\t" \ |
| 197 | "packssdw %%xmm0, %%xmm2 \n\t" \ |
| 198 | put \ |
| 199 | "1: \n\t" |
| 200 | |
| 201 | #define iLLM_HEAD \ |
| 202 | "movdqa "MANGLE(tan3)", "TAN3" \n\t" \ |
| 203 | "movdqa "MANGLE(tan1)", "TAN1" \n\t" \ |
| 204 | |
| 205 | /// IDCT pass on columns. |
| 206 | #define iLLM_PASS(dct) \ |
| 207 | "movdqa "TAN3", %%xmm1 \n\t" \ |
| 208 | "movdqa "TAN1", %%xmm3 \n\t" \ |
| 209 | "pmulhw %%xmm4, "TAN3" \n\t" \ |
| 210 | "pmulhw %%xmm5, %%xmm1 \n\t" \ |
| 211 | "paddsw %%xmm4, "TAN3" \n\t" \ |
| 212 | "paddsw %%xmm5, %%xmm1 \n\t" \ |
| 213 | "psubsw %%xmm5, "TAN3" \n\t" \ |
| 214 | "paddsw %%xmm4, %%xmm1 \n\t" \ |
| 215 | "pmulhw %%xmm7, %%xmm3 \n\t" \ |
| 216 | "pmulhw %%xmm6, "TAN1" \n\t" \ |
| 217 | "paddsw %%xmm6, %%xmm3 \n\t" \ |
| 218 | "psubsw %%xmm7, "TAN1" \n\t" \ |
| 219 | "movdqa %%xmm3, %%xmm7 \n\t" \ |
| 220 | "movdqa "TAN1", %%xmm6 \n\t" \ |
| 221 | "psubsw %%xmm1, %%xmm3 \n\t" \ |
| 222 | "psubsw "TAN3", "TAN1" \n\t" \ |
| 223 | "paddsw %%xmm7, %%xmm1 \n\t" \ |
| 224 | "paddsw %%xmm6, "TAN3" \n\t" \ |
| 225 | "movdqa %%xmm3, %%xmm6 \n\t" \ |
| 226 | "psubsw "TAN3", %%xmm3 \n\t" \ |
| 227 | "paddsw %%xmm6, "TAN3" \n\t" \ |
| 228 | "movdqa "MANGLE(sqrt2)", %%xmm4 \n\t" \ |
| 229 | "pmulhw %%xmm4, %%xmm3 \n\t" \ |
| 230 | "pmulhw %%xmm4, "TAN3" \n\t" \ |
| 231 | "paddsw "TAN3", "TAN3" \n\t" \ |
| 232 | "paddsw %%xmm3, %%xmm3 \n\t" \ |
| 233 | "movdqa "MANGLE(tan2)", %%xmm7 \n\t" \ |
| 234 | MOV_32_ONLY ROW2", "REG2" \n\t" \ |
| 235 | MOV_32_ONLY ROW6", "REG6" \n\t" \ |
| 236 | "movdqa %%xmm7, %%xmm5 \n\t" \ |
| 237 | "pmulhw "REG6", %%xmm7 \n\t" \ |
| 238 | "pmulhw "REG2", %%xmm5 \n\t" \ |
| 239 | "paddsw "REG2", %%xmm7 \n\t" \ |
| 240 | "psubsw "REG6", %%xmm5 \n\t" \ |
| 241 | MOV_32_ONLY ROW0", "REG0" \n\t" \ |
| 242 | MOV_32_ONLY ROW4", "REG4" \n\t" \ |
| 243 | MOV_32_ONLY" "TAN1", (%0) \n\t" \ |
| 244 | "movdqa "REG0", "XMMS" \n\t" \ |
| 245 | "psubsw "REG4", "REG0" \n\t" \ |
| 246 | "paddsw "XMMS", "REG4" \n\t" \ |
| 247 | "movdqa "REG4", "XMMS" \n\t" \ |
| 248 | "psubsw %%xmm7, "REG4" \n\t" \ |
| 249 | "paddsw "XMMS", %%xmm7 \n\t" \ |
| 250 | "movdqa "REG0", "XMMS" \n\t" \ |
| 251 | "psubsw %%xmm5, "REG0" \n\t" \ |
| 252 | "paddsw "XMMS", %%xmm5 \n\t" \ |
| 253 | "movdqa %%xmm5, "XMMS" \n\t" \ |
| 254 | "psubsw "TAN3", %%xmm5 \n\t" \ |
| 255 | "paddsw "XMMS", "TAN3" \n\t" \ |
| 256 | "movdqa "REG0", "XMMS" \n\t" \ |
| 257 | "psubsw %%xmm3, "REG0" \n\t" \ |
| 258 | "paddsw "XMMS", %%xmm3 \n\t" \ |
| 259 | MOV_32_ONLY" (%0), "TAN1" \n\t" \ |
| 260 | "psraw $6, %%xmm5 \n\t" \ |
| 261 | "psraw $6, "REG0" \n\t" \ |
| 262 | "psraw $6, "TAN3" \n\t" \ |
| 263 | "psraw $6, %%xmm3 \n\t" \ |
| 264 | "movdqa "TAN3", 1*16("dct") \n\t" \ |
| 265 | "movdqa %%xmm3, 2*16("dct") \n\t" \ |
| 266 | "movdqa "REG0", 5*16("dct") \n\t" \ |
| 267 | "movdqa %%xmm5, 6*16("dct") \n\t" \ |
| 268 | "movdqa %%xmm7, %%xmm0 \n\t" \ |
| 269 | "movdqa "REG4", %%xmm4 \n\t" \ |
| 270 | "psubsw %%xmm1, %%xmm7 \n\t" \ |
| 271 | "psubsw "TAN1", "REG4" \n\t" \ |
| 272 | "paddsw %%xmm0, %%xmm1 \n\t" \ |
| 273 | "paddsw %%xmm4, "TAN1" \n\t" \ |
| 274 | "psraw $6, %%xmm1 \n\t" \ |
| 275 | "psraw $6, %%xmm7 \n\t" \ |
| 276 | "psraw $6, "TAN1" \n\t" \ |
| 277 | "psraw $6, "REG4" \n\t" \ |
| 278 | "movdqa %%xmm1, ("dct") \n\t" \ |
| 279 | "movdqa "TAN1", 3*16("dct") \n\t" \ |
| 280 | "movdqa "REG4", 4*16("dct") \n\t" \ |
| 281 | "movdqa %%xmm7, 7*16("dct") \n\t" |
| 282 | |
| 283 | /// IDCT pass on columns, assuming rows 4-7 are zero. |
| 284 | #define iLLM_PASS_SPARSE(dct) \ |
| 285 | "pmulhw %%xmm4, "TAN3" \n\t" \ |
| 286 | "paddsw %%xmm4, "TAN3" \n\t" \ |
| 287 | "movdqa %%xmm6, %%xmm3 \n\t" \ |
| 288 | "pmulhw %%xmm6, "TAN1" \n\t" \ |
| 289 | "movdqa %%xmm4, %%xmm1 \n\t" \ |
| 290 | "psubsw %%xmm1, %%xmm3 \n\t" \ |
| 291 | "paddsw %%xmm6, %%xmm1 \n\t" \ |
| 292 | "movdqa "TAN1", %%xmm6 \n\t" \ |
| 293 | "psubsw "TAN3", "TAN1" \n\t" \ |
| 294 | "paddsw %%xmm6, "TAN3" \n\t" \ |
| 295 | "movdqa %%xmm3, %%xmm6 \n\t" \ |
| 296 | "psubsw "TAN3", %%xmm3 \n\t" \ |
| 297 | "paddsw %%xmm6, "TAN3" \n\t" \ |
| 298 | "movdqa "MANGLE(sqrt2)", %%xmm4 \n\t" \ |
| 299 | "pmulhw %%xmm4, %%xmm3 \n\t" \ |
| 300 | "pmulhw %%xmm4, "TAN3" \n\t" \ |
| 301 | "paddsw "TAN3", "TAN3" \n\t" \ |
| 302 | "paddsw %%xmm3, %%xmm3 \n\t" \ |
| 303 | "movdqa "MANGLE(tan2)", %%xmm5 \n\t" \ |
| 304 | MOV_32_ONLY ROW2", "SREG2" \n\t" \ |
| 305 | "pmulhw "SREG2", %%xmm5 \n\t" \ |
| 306 | MOV_32_ONLY ROW0", "REG0" \n\t" \ |
| 307 | "movdqa "REG0", %%xmm6 \n\t" \ |
| 308 | "psubsw "SREG2", %%xmm6 \n\t" \ |
| 309 | "paddsw "REG0", "SREG2" \n\t" \ |
| 310 | MOV_32_ONLY" "TAN1", (%0) \n\t" \ |
| 311 | "movdqa "REG0", "XMMS" \n\t" \ |
| 312 | "psubsw %%xmm5, "REG0" \n\t" \ |
| 313 | "paddsw "XMMS", %%xmm5 \n\t" \ |
| 314 | "movdqa %%xmm5, "XMMS" \n\t" \ |
| 315 | "psubsw "TAN3", %%xmm5 \n\t" \ |
| 316 | "paddsw "XMMS", "TAN3" \n\t" \ |
| 317 | "movdqa "REG0", "XMMS" \n\t" \ |
| 318 | "psubsw %%xmm3, "REG0" \n\t" \ |
| 319 | "paddsw "XMMS", %%xmm3 \n\t" \ |
| 320 | MOV_32_ONLY" (%0), "TAN1" \n\t" \ |
| 321 | "psraw $6, %%xmm5 \n\t" \ |
| 322 | "psraw $6, "REG0" \n\t" \ |
| 323 | "psraw $6, "TAN3" \n\t" \ |
| 324 | "psraw $6, %%xmm3 \n\t" \ |
| 325 | "movdqa "TAN3", 1*16("dct") \n\t" \ |
| 326 | "movdqa %%xmm3, 2*16("dct") \n\t" \ |
| 327 | "movdqa "REG0", 5*16("dct") \n\t" \ |
| 328 | "movdqa %%xmm5, 6*16("dct") \n\t" \ |
| 329 | "movdqa "SREG2", %%xmm0 \n\t" \ |
| 330 | "movdqa %%xmm6, %%xmm4 \n\t" \ |
| 331 | "psubsw %%xmm1, "SREG2" \n\t" \ |
| 332 | "psubsw "TAN1", %%xmm6 \n\t" \ |
| 333 | "paddsw %%xmm0, %%xmm1 \n\t" \ |
| 334 | "paddsw %%xmm4, "TAN1" \n\t" \ |
| 335 | "psraw $6, %%xmm1 \n\t" \ |
| 336 | "psraw $6, "SREG2" \n\t" \ |
| 337 | "psraw $6, "TAN1" \n\t" \ |
| 338 | "psraw $6, %%xmm6 \n\t" \ |
| 339 | "movdqa %%xmm1, ("dct") \n\t" \ |
| 340 | "movdqa "TAN1", 3*16("dct") \n\t" \ |
| 341 | "movdqa %%xmm6, 4*16("dct") \n\t" \ |
| 342 | "movdqa "SREG2", 7*16("dct") \n\t" |
| 343 | |
| 344 | av_extern_inline void ff_xvid_idct_sse2(short *block) |
| 345 | { |
| 346 | __asm__ volatile ( |
| 347 | "movq "MANGLE (m127) ", %%mm0 \n\t" |
| 348 | iMTX_MULT("(%0)", MANGLE(iTab1), ROUND(MANGLE(walkenIdctRounders)), PUT_EVEN(ROW0)) |
| 349 | iMTX_MULT("1*16(%0)", MANGLE(iTab2), ROUND("1*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW1)) |
| 350 | iMTX_MULT("2*16(%0)", MANGLE(iTab3), ROUND("2*16+"MANGLE(walkenIdctRounders)), PUT_EVEN(ROW2)) |
| 351 | |
| 352 | TEST_TWO_ROWS("3*16(%0)", "4*16(%0)", "%%eax", "%%ecx", CLEAR_ODD(ROW3), CLEAR_EVEN(ROW4)) |
| 353 | JZ("%%eax", "1f") |
| 354 | iMTX_MULT("3*16(%0)", MANGLE(iTab4), ROUND("3*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW3)) |
| 355 | |
| 356 | TEST_TWO_ROWS("5*16(%0)", "6*16(%0)", "%%eax", "%%edx", CLEAR_ODD(ROW5), CLEAR_EVEN(ROW6)) |
| 357 | TEST_ONE_ROW("7*16(%0)", "%%esi", CLEAR_ODD(ROW7)) |
| 358 | iLLM_HEAD |
| 359 | ".p2align 4 \n\t" |
| 360 | JNZ("%%ecx", "2f") |
| 361 | JNZ("%%eax", "3f") |
| 362 | JNZ("%%edx", "4f") |
| 363 | JNZ("%%esi", "5f") |
| 364 | iLLM_PASS_SPARSE("%0") |
| 365 | "jmp 6f \n\t" |
| 366 | "2: \n\t" |
| 367 | iMTX_MULT("4*16(%0)", MANGLE(iTab1), "#", PUT_EVEN(ROW4)) |
| 368 | "3: \n\t" |
| 369 | iMTX_MULT("5*16(%0)", MANGLE(iTab4), ROUND("4*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW5)) |
| 370 | JZ("%%edx", "1f") |
| 371 | "4: \n\t" |
| 372 | iMTX_MULT("6*16(%0)", MANGLE(iTab3), ROUND("5*16+"MANGLE(walkenIdctRounders)), PUT_EVEN(ROW6)) |
| 373 | JZ("%%esi", "1f") |
| 374 | "5: \n\t" |
| 375 | iMTX_MULT("7*16(%0)", MANGLE(iTab2), ROUND("5*16+"MANGLE(walkenIdctRounders)), PUT_ODD(ROW7)) |
| 376 | #if ARCH_X86_32 |
| 377 | iLLM_HEAD |
| 378 | #endif |
| 379 | iLLM_PASS("%0") |
| 380 | "6: \n\t" |
| 381 | : "+r" (block) |
| 382 | : NAMED_CONSTRAINTS_ARRAY(m127,iTab1,walkenIdctRounders,iTab2,iTab3,iTab4,tan3,tan1,tan2,sqrt2) |
| 383 | : XMM_CLOBBERS("%xmm0", "%xmm1", "%xmm2", "%xmm3", |
| 384 | "%xmm4", "%xmm5", "%xmm6", "%xmm7", ) |
| 385 | #if ARCH_X86_64 |
| 386 | XMM_CLOBBERS("%xmm8", "%xmm9", "%xmm10", "%xmm11", |
| 387 | "%xmm12", "%xmm13", "%xmm14", ) |
| 388 | #endif |
| 389 | "%eax", "%ecx", "%edx", "%esi", "memory"); |
| 390 | } |
| 391 | |
| 392 | void ff_xvid_idct_sse2_put(uint8_t *dest, int line_size, short *block) |
| 393 | { |
| 394 | ff_xvid_idct_sse2(block); |
| 395 | ff_put_pixels_clamped_mmx(block, dest, line_size); |
| 396 | } |
| 397 | |
| 398 | void ff_xvid_idct_sse2_add(uint8_t *dest, int line_size, short *block) |
| 399 | { |
| 400 | ff_xvid_idct_sse2(block); |
| 401 | ff_add_pixels_clamped_mmx(block, dest, line_size); |
| 402 | } |
| 403 | |
| 404 | #endif /* HAVE_SSE2_INLINE */ |