| ce188d4d |
1 | ; vim:filetype=nasm ts=8 |
| 2 | |
| 3 | ; libFLAC - Free Lossless Audio Codec library |
| 4 | ; Copyright (C) 2001-2009 Josh Coalson |
| 5 | ; Copyright (C) 2011-2016 Xiph.Org Foundation |
| 6 | ; |
| 7 | ; Redistribution and use in source and binary forms, with or without |
| 8 | ; modification, are permitted provided that the following conditions |
| 9 | ; are met: |
| 10 | ; |
| 11 | ; - Redistributions of source code must retain the above copyright |
| 12 | ; notice, this list of conditions and the following disclaimer. |
| 13 | ; |
| 14 | ; - Redistributions in binary form must reproduce the above copyright |
| 15 | ; notice, this list of conditions and the following disclaimer in the |
| 16 | ; documentation and/or other materials provided with the distribution. |
| 17 | ; |
| 18 | ; - Neither the name of the Xiph.org Foundation nor the names of its |
| 19 | ; contributors may be used to endorse or promote products derived from |
| 20 | ; this software without specific prior written permission. |
| 21 | ; |
| 22 | ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 23 | ; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 24 | ; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 25 | ; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR |
| 26 | ; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 27 | ; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 28 | ; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 29 | ; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 30 | ; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 31 | ; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 32 | ; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 33 | |
| 34 | %include "nasm.h" |
| 35 | |
| 36 | data_section |
| 37 | |
| 38 | cglobal FLAC__lpc_compute_autocorrelation_asm_ia32 |
| 39 | cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4_old |
| 40 | cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8_old |
| 41 | cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12_old |
| 42 | cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_16_old |
| 43 | cglobal FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32 |
| 44 | cglobal FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx |
| 45 | cglobal FLAC__lpc_compute_residual_from_qlp_coefficients_wide_asm_ia32 |
| 46 | cglobal FLAC__lpc_restore_signal_asm_ia32 |
| 47 | cglobal FLAC__lpc_restore_signal_asm_ia32_mmx |
| 48 | cglobal FLAC__lpc_restore_signal_wide_asm_ia32 |
| 49 | |
| 50 | code_section |
| 51 | |
| 52 | ; ********************************************************************** |
| 53 | ; |
| 54 | ; void FLAC__lpc_compute_autocorrelation_asm(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[]) |
| 55 | ; { |
| 56 | ; FLAC__real d; |
| 57 | ; unsigned sample, coeff; |
| 58 | ; const unsigned limit = data_len - lag; |
| 59 | ; |
| 60 | ; FLAC__ASSERT(lag > 0); |
| 61 | ; FLAC__ASSERT(lag <= data_len); |
| 62 | ; |
| 63 | ; for(coeff = 0; coeff < lag; coeff++) |
| 64 | ; autoc[coeff] = 0.0; |
| 65 | ; for(sample = 0; sample <= limit; sample++) { |
| 66 | ; d = data[sample]; |
| 67 | ; for(coeff = 0; coeff < lag; coeff++) |
| 68 | ; autoc[coeff] += d * data[sample+coeff]; |
| 69 | ; } |
| 70 | ; for(; sample < data_len; sample++) { |
| 71 | ; d = data[sample]; |
| 72 | ; for(coeff = 0; coeff < data_len - sample; coeff++) |
| 73 | ; autoc[coeff] += d * data[sample+coeff]; |
| 74 | ; } |
| 75 | ; } |
| 76 | ; |
| 77 | ALIGN 16 |
| 78 | cident FLAC__lpc_compute_autocorrelation_asm_ia32 |
| 79 | ;[esp + 28] == autoc[] |
| 80 | ;[esp + 24] == lag |
| 81 | ;[esp + 20] == data_len |
| 82 | ;[esp + 16] == data[] |
| 83 | |
| 84 | ;ASSERT(lag > 0) |
| 85 | ;ASSERT(lag <= 33) |
| 86 | ;ASSERT(lag <= data_len) |
| 87 | |
| 88 | .begin: |
| 89 | push esi |
| 90 | push edi |
| 91 | push ebx |
| 92 | |
| 93 | ; for(coeff = 0; coeff < lag; coeff++) |
| 94 | ; autoc[coeff] = 0.0; |
| 95 | mov edi, [esp + 28] ; edi == autoc |
| 96 | mov ecx, [esp + 24] ; ecx = # of dwords (=lag) of 0 to write |
| 97 | xor eax, eax |
| 98 | rep stosd |
| 99 | |
| 100 | ; const unsigned limit = data_len - lag; |
| 101 | mov eax, [esp + 24] ; eax == lag |
| 102 | mov ecx, [esp + 20] |
| 103 | sub ecx, eax ; ecx == limit |
| 104 | |
| 105 | mov edi, [esp + 28] ; edi == autoc |
| 106 | mov esi, [esp + 16] ; esi == data |
| 107 | inc ecx ; we are looping <= limit so we add one to the counter |
| 108 | |
| 109 | ; for(sample = 0; sample <= limit; sample++) { |
| 110 | ; d = data[sample]; |
| 111 | ; for(coeff = 0; coeff < lag; coeff++) |
| 112 | ; autoc[coeff] += d * data[sample+coeff]; |
| 113 | ; } |
| 114 | fld dword [esi] ; ST = d <- data[sample] |
| 115 | ; each iteration is 11 bytes so we need (-eax)*11, so we do (-12*eax + eax) |
| 116 | lea edx, [eax + eax*2] |
| 117 | neg edx |
| 118 | lea edx, [eax + edx*4 + .jumper1_0 - .get_eip1] |
| 119 | call .mov_eip_to_ebx |
| 120 | .get_eip1: |
| 121 | add edx, ebx |
| 122 | inc edx ; compensate for the shorter opcode on the last iteration |
| 123 | inc edx ; compensate for the shorter opcode on the last iteration |
| 124 | inc edx ; compensate for the shorter opcode on the last iteration |
| 125 | cmp eax, 33 |
| 126 | jne .loop1_start |
| 127 | sub edx, byte 9 ; compensate for the longer opcodes on the first iteration |
| 128 | .loop1_start: |
| 129 | jmp edx |
| 130 | |
| 131 | .mov_eip_to_ebx: |
| 132 | mov ebx, [esp] |
| 133 | ret |
| 134 | |
| 135 | fld st0 ; ST = d d |
| 136 | fmul dword [esi + (32*4)] ; ST = d*data[sample+32] d WATCHOUT: not a byte displacement here! |
| 137 | fadd dword [edi + (32*4)] ; ST = autoc[32]+d*data[sample+32] d WATCHOUT: not a byte displacement here! |
| 138 | fstp dword [edi + (32*4)] ; autoc[32]+=d*data[sample+32] ST = d WATCHOUT: not a byte displacement here! |
| 139 | fld st0 ; ST = d d |
| 140 | fmul dword [esi + (31*4)] ; ST = d*data[sample+31] d |
| 141 | fadd dword [edi + (31*4)] ; ST = autoc[31]+d*data[sample+31] d |
| 142 | fstp dword [edi + (31*4)] ; autoc[31]+=d*data[sample+31] ST = d |
| 143 | fld st0 ; ST = d d |
| 144 | fmul dword [esi + (30*4)] ; ST = d*data[sample+30] d |
| 145 | fadd dword [edi + (30*4)] ; ST = autoc[30]+d*data[sample+30] d |
| 146 | fstp dword [edi + (30*4)] ; autoc[30]+=d*data[sample+30] ST = d |
| 147 | fld st0 ; ST = d d |
| 148 | fmul dword [esi + (29*4)] ; ST = d*data[sample+29] d |
| 149 | fadd dword [edi + (29*4)] ; ST = autoc[29]+d*data[sample+29] d |
| 150 | fstp dword [edi + (29*4)] ; autoc[29]+=d*data[sample+29] ST = d |
| 151 | fld st0 ; ST = d d |
| 152 | fmul dword [esi + (28*4)] ; ST = d*data[sample+28] d |
| 153 | fadd dword [edi + (28*4)] ; ST = autoc[28]+d*data[sample+28] d |
| 154 | fstp dword [edi + (28*4)] ; autoc[28]+=d*data[sample+28] ST = d |
| 155 | fld st0 ; ST = d d |
| 156 | fmul dword [esi + (27*4)] ; ST = d*data[sample+27] d |
| 157 | fadd dword [edi + (27*4)] ; ST = autoc[27]+d*data[sample+27] d |
| 158 | fstp dword [edi + (27*4)] ; autoc[27]+=d*data[sample+27] ST = d |
| 159 | fld st0 ; ST = d d |
| 160 | fmul dword [esi + (26*4)] ; ST = d*data[sample+26] d |
| 161 | fadd dword [edi + (26*4)] ; ST = autoc[26]+d*data[sample+26] d |
| 162 | fstp dword [edi + (26*4)] ; autoc[26]+=d*data[sample+26] ST = d |
| 163 | fld st0 ; ST = d d |
| 164 | fmul dword [esi + (25*4)] ; ST = d*data[sample+25] d |
| 165 | fadd dword [edi + (25*4)] ; ST = autoc[25]+d*data[sample+25] d |
| 166 | fstp dword [edi + (25*4)] ; autoc[25]+=d*data[sample+25] ST = d |
| 167 | fld st0 ; ST = d d |
| 168 | fmul dword [esi + (24*4)] ; ST = d*data[sample+24] d |
| 169 | fadd dword [edi + (24*4)] ; ST = autoc[24]+d*data[sample+24] d |
| 170 | fstp dword [edi + (24*4)] ; autoc[24]+=d*data[sample+24] ST = d |
| 171 | fld st0 ; ST = d d |
| 172 | fmul dword [esi + (23*4)] ; ST = d*data[sample+23] d |
| 173 | fadd dword [edi + (23*4)] ; ST = autoc[23]+d*data[sample+23] d |
| 174 | fstp dword [edi + (23*4)] ; autoc[23]+=d*data[sample+23] ST = d |
| 175 | fld st0 ; ST = d d |
| 176 | fmul dword [esi + (22*4)] ; ST = d*data[sample+22] d |
| 177 | fadd dword [edi + (22*4)] ; ST = autoc[22]+d*data[sample+22] d |
| 178 | fstp dword [edi + (22*4)] ; autoc[22]+=d*data[sample+22] ST = d |
| 179 | fld st0 ; ST = d d |
| 180 | fmul dword [esi + (21*4)] ; ST = d*data[sample+21] d |
| 181 | fadd dword [edi + (21*4)] ; ST = autoc[21]+d*data[sample+21] d |
| 182 | fstp dword [edi + (21*4)] ; autoc[21]+=d*data[sample+21] ST = d |
| 183 | fld st0 ; ST = d d |
| 184 | fmul dword [esi + (20*4)] ; ST = d*data[sample+20] d |
| 185 | fadd dword [edi + (20*4)] ; ST = autoc[20]+d*data[sample+20] d |
| 186 | fstp dword [edi + (20*4)] ; autoc[20]+=d*data[sample+20] ST = d |
| 187 | fld st0 ; ST = d d |
| 188 | fmul dword [esi + (19*4)] ; ST = d*data[sample+19] d |
| 189 | fadd dword [edi + (19*4)] ; ST = autoc[19]+d*data[sample+19] d |
| 190 | fstp dword [edi + (19*4)] ; autoc[19]+=d*data[sample+19] ST = d |
| 191 | fld st0 ; ST = d d |
| 192 | fmul dword [esi + (18*4)] ; ST = d*data[sample+18] d |
| 193 | fadd dword [edi + (18*4)] ; ST = autoc[18]+d*data[sample+18] d |
| 194 | fstp dword [edi + (18*4)] ; autoc[18]+=d*data[sample+18] ST = d |
| 195 | fld st0 ; ST = d d |
| 196 | fmul dword [esi + (17*4)] ; ST = d*data[sample+17] d |
| 197 | fadd dword [edi + (17*4)] ; ST = autoc[17]+d*data[sample+17] d |
| 198 | fstp dword [edi + (17*4)] ; autoc[17]+=d*data[sample+17] ST = d |
| 199 | fld st0 ; ST = d d |
| 200 | fmul dword [esi + (16*4)] ; ST = d*data[sample+16] d |
| 201 | fadd dword [edi + (16*4)] ; ST = autoc[16]+d*data[sample+16] d |
| 202 | fstp dword [edi + (16*4)] ; autoc[16]+=d*data[sample+16] ST = d |
| 203 | fld st0 ; ST = d d |
| 204 | fmul dword [esi + (15*4)] ; ST = d*data[sample+15] d |
| 205 | fadd dword [edi + (15*4)] ; ST = autoc[15]+d*data[sample+15] d |
| 206 | fstp dword [edi + (15*4)] ; autoc[15]+=d*data[sample+15] ST = d |
| 207 | fld st0 ; ST = d d |
| 208 | fmul dword [esi + (14*4)] ; ST = d*data[sample+14] d |
| 209 | fadd dword [edi + (14*4)] ; ST = autoc[14]+d*data[sample+14] d |
| 210 | fstp dword [edi + (14*4)] ; autoc[14]+=d*data[sample+14] ST = d |
| 211 | fld st0 ; ST = d d |
| 212 | fmul dword [esi + (13*4)] ; ST = d*data[sample+13] d |
| 213 | fadd dword [edi + (13*4)] ; ST = autoc[13]+d*data[sample+13] d |
| 214 | fstp dword [edi + (13*4)] ; autoc[13]+=d*data[sample+13] ST = d |
| 215 | fld st0 ; ST = d d |
| 216 | fmul dword [esi + (12*4)] ; ST = d*data[sample+12] d |
| 217 | fadd dword [edi + (12*4)] ; ST = autoc[12]+d*data[sample+12] d |
| 218 | fstp dword [edi + (12*4)] ; autoc[12]+=d*data[sample+12] ST = d |
| 219 | fld st0 ; ST = d d |
| 220 | fmul dword [esi + (11*4)] ; ST = d*data[sample+11] d |
| 221 | fadd dword [edi + (11*4)] ; ST = autoc[11]+d*data[sample+11] d |
| 222 | fstp dword [edi + (11*4)] ; autoc[11]+=d*data[sample+11] ST = d |
| 223 | fld st0 ; ST = d d |
| 224 | fmul dword [esi + (10*4)] ; ST = d*data[sample+10] d |
| 225 | fadd dword [edi + (10*4)] ; ST = autoc[10]+d*data[sample+10] d |
| 226 | fstp dword [edi + (10*4)] ; autoc[10]+=d*data[sample+10] ST = d |
| 227 | fld st0 ; ST = d d |
| 228 | fmul dword [esi + ( 9*4)] ; ST = d*data[sample+9] d |
| 229 | fadd dword [edi + ( 9*4)] ; ST = autoc[9]+d*data[sample+9] d |
| 230 | fstp dword [edi + ( 9*4)] ; autoc[9]+=d*data[sample+9] ST = d |
| 231 | fld st0 ; ST = d d |
| 232 | fmul dword [esi + ( 8*4)] ; ST = d*data[sample+8] d |
| 233 | fadd dword [edi + ( 8*4)] ; ST = autoc[8]+d*data[sample+8] d |
| 234 | fstp dword [edi + ( 8*4)] ; autoc[8]+=d*data[sample+8] ST = d |
| 235 | fld st0 ; ST = d d |
| 236 | fmul dword [esi + ( 7*4)] ; ST = d*data[sample+7] d |
| 237 | fadd dword [edi + ( 7*4)] ; ST = autoc[7]+d*data[sample+7] d |
| 238 | fstp dword [edi + ( 7*4)] ; autoc[7]+=d*data[sample+7] ST = d |
| 239 | fld st0 ; ST = d d |
| 240 | fmul dword [esi + ( 6*4)] ; ST = d*data[sample+6] d |
| 241 | fadd dword [edi + ( 6*4)] ; ST = autoc[6]+d*data[sample+6] d |
| 242 | fstp dword [edi + ( 6*4)] ; autoc[6]+=d*data[sample+6] ST = d |
| 243 | fld st0 ; ST = d d |
| 244 | fmul dword [esi + ( 5*4)] ; ST = d*data[sample+4] d |
| 245 | fadd dword [edi + ( 5*4)] ; ST = autoc[4]+d*data[sample+4] d |
| 246 | fstp dword [edi + ( 5*4)] ; autoc[4]+=d*data[sample+4] ST = d |
| 247 | fld st0 ; ST = d d |
| 248 | fmul dword [esi + ( 4*4)] ; ST = d*data[sample+4] d |
| 249 | fadd dword [edi + ( 4*4)] ; ST = autoc[4]+d*data[sample+4] d |
| 250 | fstp dword [edi + ( 4*4)] ; autoc[4]+=d*data[sample+4] ST = d |
| 251 | fld st0 ; ST = d d |
| 252 | fmul dword [esi + ( 3*4)] ; ST = d*data[sample+3] d |
| 253 | fadd dword [edi + ( 3*4)] ; ST = autoc[3]+d*data[sample+3] d |
| 254 | fstp dword [edi + ( 3*4)] ; autoc[3]+=d*data[sample+3] ST = d |
| 255 | fld st0 ; ST = d d |
| 256 | fmul dword [esi + ( 2*4)] ; ST = d*data[sample+2] d |
| 257 | fadd dword [edi + ( 2*4)] ; ST = autoc[2]+d*data[sample+2] d |
| 258 | fstp dword [edi + ( 2*4)] ; autoc[2]+=d*data[sample+2] ST = d |
| 259 | fld st0 ; ST = d d |
| 260 | fmul dword [esi + ( 1*4)] ; ST = d*data[sample+1] d |
| 261 | fadd dword [edi + ( 1*4)] ; ST = autoc[1]+d*data[sample+1] d |
| 262 | fstp dword [edi + ( 1*4)] ; autoc[1]+=d*data[sample+1] ST = d |
| 263 | fld st0 ; ST = d d |
| 264 | fmul dword [esi] ; ST = d*data[sample] d WATCHOUT: no displacement byte here! |
| 265 | fadd dword [edi] ; ST = autoc[0]+d*data[sample] d WATCHOUT: no displacement byte here! |
| 266 | fstp dword [edi] ; autoc[0]+=d*data[sample] ST = d WATCHOUT: no displacement byte here! |
| 267 | .jumper1_0: |
| 268 | |
| 269 | fstp st0 ; pop d, ST = empty |
| 270 | add esi, byte 4 ; sample++ |
| 271 | dec ecx |
| 272 | jz .loop1_end |
| 273 | fld dword [esi] ; ST = d <- data[sample] |
| 274 | jmp edx |
| 275 | .loop1_end: |
| 276 | |
| 277 | ; for(; sample < data_len; sample++) { |
| 278 | ; d = data[sample]; |
| 279 | ; for(coeff = 0; coeff < data_len - sample; coeff++) |
| 280 | ; autoc[coeff] += d * data[sample+coeff]; |
| 281 | ; } |
| 282 | mov ecx, [esp + 24] ; ecx <- lag |
| 283 | dec ecx ; ecx <- lag - 1 |
| 284 | jz near .end ; skip loop if 0 (i.e. lag == 1) |
| 285 | |
| 286 | fld dword [esi] ; ST = d <- data[sample] |
| 287 | mov eax, ecx ; eax <- lag - 1 == data_len - sample the first time through |
| 288 | ; each iteration is 11 bytes so we need (-eax)*11, so we do (-12*eax + eax) |
| 289 | lea edx, [eax + eax*2] |
| 290 | neg edx |
| 291 | lea edx, [eax + edx*4 + .jumper2_0 - .get_eip2] |
| 292 | call .mov_eip_to_ebx |
| 293 | .get_eip2: |
| 294 | add edx, ebx |
| 295 | inc edx ; compensate for the shorter opcode on the last iteration |
| 296 | inc edx ; compensate for the shorter opcode on the last iteration |
| 297 | inc edx ; compensate for the shorter opcode on the last iteration |
| 298 | jmp edx |
| 299 | |
| 300 | fld st0 ; ST = d d |
| 301 | fmul dword [esi + (31*4)] ; ST = d*data[sample+31] d |
| 302 | fadd dword [edi + (31*4)] ; ST = autoc[31]+d*data[sample+31] d |
| 303 | fstp dword [edi + (31*4)] ; autoc[31]+=d*data[sample+31] ST = d |
| 304 | fld st0 ; ST = d d |
| 305 | fmul dword [esi + (30*4)] ; ST = d*data[sample+30] d |
| 306 | fadd dword [edi + (30*4)] ; ST = autoc[30]+d*data[sample+30] d |
| 307 | fstp dword [edi + (30*4)] ; autoc[30]+=d*data[sample+30] ST = d |
| 308 | fld st0 ; ST = d d |
| 309 | fmul dword [esi + (29*4)] ; ST = d*data[sample+29] d |
| 310 | fadd dword [edi + (29*4)] ; ST = autoc[29]+d*data[sample+29] d |
| 311 | fstp dword [edi + (29*4)] ; autoc[29]+=d*data[sample+29] ST = d |
| 312 | fld st0 ; ST = d d |
| 313 | fmul dword [esi + (28*4)] ; ST = d*data[sample+28] d |
| 314 | fadd dword [edi + (28*4)] ; ST = autoc[28]+d*data[sample+28] d |
| 315 | fstp dword [edi + (28*4)] ; autoc[28]+=d*data[sample+28] ST = d |
| 316 | fld st0 ; ST = d d |
| 317 | fmul dword [esi + (27*4)] ; ST = d*data[sample+27] d |
| 318 | fadd dword [edi + (27*4)] ; ST = autoc[27]+d*data[sample+27] d |
| 319 | fstp dword [edi + (27*4)] ; autoc[27]+=d*data[sample+27] ST = d |
| 320 | fld st0 ; ST = d d |
| 321 | fmul dword [esi + (26*4)] ; ST = d*data[sample+26] d |
| 322 | fadd dword [edi + (26*4)] ; ST = autoc[26]+d*data[sample+26] d |
| 323 | fstp dword [edi + (26*4)] ; autoc[26]+=d*data[sample+26] ST = d |
| 324 | fld st0 ; ST = d d |
| 325 | fmul dword [esi + (25*4)] ; ST = d*data[sample+25] d |
| 326 | fadd dword [edi + (25*4)] ; ST = autoc[25]+d*data[sample+25] d |
| 327 | fstp dword [edi + (25*4)] ; autoc[25]+=d*data[sample+25] ST = d |
| 328 | fld st0 ; ST = d d |
| 329 | fmul dword [esi + (24*4)] ; ST = d*data[sample+24] d |
| 330 | fadd dword [edi + (24*4)] ; ST = autoc[24]+d*data[sample+24] d |
| 331 | fstp dword [edi + (24*4)] ; autoc[24]+=d*data[sample+24] ST = d |
| 332 | fld st0 ; ST = d d |
| 333 | fmul dword [esi + (23*4)] ; ST = d*data[sample+23] d |
| 334 | fadd dword [edi + (23*4)] ; ST = autoc[23]+d*data[sample+23] d |
| 335 | fstp dword [edi + (23*4)] ; autoc[23]+=d*data[sample+23] ST = d |
| 336 | fld st0 ; ST = d d |
| 337 | fmul dword [esi + (22*4)] ; ST = d*data[sample+22] d |
| 338 | fadd dword [edi + (22*4)] ; ST = autoc[22]+d*data[sample+22] d |
| 339 | fstp dword [edi + (22*4)] ; autoc[22]+=d*data[sample+22] ST = d |
| 340 | fld st0 ; ST = d d |
| 341 | fmul dword [esi + (21*4)] ; ST = d*data[sample+21] d |
| 342 | fadd dword [edi + (21*4)] ; ST = autoc[21]+d*data[sample+21] d |
| 343 | fstp dword [edi + (21*4)] ; autoc[21]+=d*data[sample+21] ST = d |
| 344 | fld st0 ; ST = d d |
| 345 | fmul dword [esi + (20*4)] ; ST = d*data[sample+20] d |
| 346 | fadd dword [edi + (20*4)] ; ST = autoc[20]+d*data[sample+20] d |
| 347 | fstp dword [edi + (20*4)] ; autoc[20]+=d*data[sample+20] ST = d |
| 348 | fld st0 ; ST = d d |
| 349 | fmul dword [esi + (19*4)] ; ST = d*data[sample+19] d |
| 350 | fadd dword [edi + (19*4)] ; ST = autoc[19]+d*data[sample+19] d |
| 351 | fstp dword [edi + (19*4)] ; autoc[19]+=d*data[sample+19] ST = d |
| 352 | fld st0 ; ST = d d |
| 353 | fmul dword [esi + (18*4)] ; ST = d*data[sample+18] d |
| 354 | fadd dword [edi + (18*4)] ; ST = autoc[18]+d*data[sample+18] d |
| 355 | fstp dword [edi + (18*4)] ; autoc[18]+=d*data[sample+18] ST = d |
| 356 | fld st0 ; ST = d d |
| 357 | fmul dword [esi + (17*4)] ; ST = d*data[sample+17] d |
| 358 | fadd dword [edi + (17*4)] ; ST = autoc[17]+d*data[sample+17] d |
| 359 | fstp dword [edi + (17*4)] ; autoc[17]+=d*data[sample+17] ST = d |
| 360 | fld st0 ; ST = d d |
| 361 | fmul dword [esi + (16*4)] ; ST = d*data[sample+16] d |
| 362 | fadd dword [edi + (16*4)] ; ST = autoc[16]+d*data[sample+16] d |
| 363 | fstp dword [edi + (16*4)] ; autoc[16]+=d*data[sample+16] ST = d |
| 364 | fld st0 ; ST = d d |
| 365 | fmul dword [esi + (15*4)] ; ST = d*data[sample+15] d |
| 366 | fadd dword [edi + (15*4)] ; ST = autoc[15]+d*data[sample+15] d |
| 367 | fstp dword [edi + (15*4)] ; autoc[15]+=d*data[sample+15] ST = d |
| 368 | fld st0 ; ST = d d |
| 369 | fmul dword [esi + (14*4)] ; ST = d*data[sample+14] d |
| 370 | fadd dword [edi + (14*4)] ; ST = autoc[14]+d*data[sample+14] d |
| 371 | fstp dword [edi + (14*4)] ; autoc[14]+=d*data[sample+14] ST = d |
| 372 | fld st0 ; ST = d d |
| 373 | fmul dword [esi + (13*4)] ; ST = d*data[sample+13] d |
| 374 | fadd dword [edi + (13*4)] ; ST = autoc[13]+d*data[sample+13] d |
| 375 | fstp dword [edi + (13*4)] ; autoc[13]+=d*data[sample+13] ST = d |
| 376 | fld st0 ; ST = d d |
| 377 | fmul dword [esi + (12*4)] ; ST = d*data[sample+12] d |
| 378 | fadd dword [edi + (12*4)] ; ST = autoc[12]+d*data[sample+12] d |
| 379 | fstp dword [edi + (12*4)] ; autoc[12]+=d*data[sample+12] ST = d |
| 380 | fld st0 ; ST = d d |
| 381 | fmul dword [esi + (11*4)] ; ST = d*data[sample+11] d |
| 382 | fadd dword [edi + (11*4)] ; ST = autoc[11]+d*data[sample+11] d |
| 383 | fstp dword [edi + (11*4)] ; autoc[11]+=d*data[sample+11] ST = d |
| 384 | fld st0 ; ST = d d |
| 385 | fmul dword [esi + (10*4)] ; ST = d*data[sample+10] d |
| 386 | fadd dword [edi + (10*4)] ; ST = autoc[10]+d*data[sample+10] d |
| 387 | fstp dword [edi + (10*4)] ; autoc[10]+=d*data[sample+10] ST = d |
| 388 | fld st0 ; ST = d d |
| 389 | fmul dword [esi + ( 9*4)] ; ST = d*data[sample+9] d |
| 390 | fadd dword [edi + ( 9*4)] ; ST = autoc[9]+d*data[sample+9] d |
| 391 | fstp dword [edi + ( 9*4)] ; autoc[9]+=d*data[sample+9] ST = d |
| 392 | fld st0 ; ST = d d |
| 393 | fmul dword [esi + ( 8*4)] ; ST = d*data[sample+8] d |
| 394 | fadd dword [edi + ( 8*4)] ; ST = autoc[8]+d*data[sample+8] d |
| 395 | fstp dword [edi + ( 8*4)] ; autoc[8]+=d*data[sample+8] ST = d |
| 396 | fld st0 ; ST = d d |
| 397 | fmul dword [esi + ( 7*4)] ; ST = d*data[sample+7] d |
| 398 | fadd dword [edi + ( 7*4)] ; ST = autoc[7]+d*data[sample+7] d |
| 399 | fstp dword [edi + ( 7*4)] ; autoc[7]+=d*data[sample+7] ST = d |
| 400 | fld st0 ; ST = d d |
| 401 | fmul dword [esi + ( 6*4)] ; ST = d*data[sample+6] d |
| 402 | fadd dword [edi + ( 6*4)] ; ST = autoc[6]+d*data[sample+6] d |
| 403 | fstp dword [edi + ( 6*4)] ; autoc[6]+=d*data[sample+6] ST = d |
| 404 | fld st0 ; ST = d d |
| 405 | fmul dword [esi + ( 5*4)] ; ST = d*data[sample+4] d |
| 406 | fadd dword [edi + ( 5*4)] ; ST = autoc[4]+d*data[sample+4] d |
| 407 | fstp dword [edi + ( 5*4)] ; autoc[4]+=d*data[sample+4] ST = d |
| 408 | fld st0 ; ST = d d |
| 409 | fmul dword [esi + ( 4*4)] ; ST = d*data[sample+4] d |
| 410 | fadd dword [edi + ( 4*4)] ; ST = autoc[4]+d*data[sample+4] d |
| 411 | fstp dword [edi + ( 4*4)] ; autoc[4]+=d*data[sample+4] ST = d |
| 412 | fld st0 ; ST = d d |
| 413 | fmul dword [esi + ( 3*4)] ; ST = d*data[sample+3] d |
| 414 | fadd dword [edi + ( 3*4)] ; ST = autoc[3]+d*data[sample+3] d |
| 415 | fstp dword [edi + ( 3*4)] ; autoc[3]+=d*data[sample+3] ST = d |
| 416 | fld st0 ; ST = d d |
| 417 | fmul dword [esi + ( 2*4)] ; ST = d*data[sample+2] d |
| 418 | fadd dword [edi + ( 2*4)] ; ST = autoc[2]+d*data[sample+2] d |
| 419 | fstp dword [edi + ( 2*4)] ; autoc[2]+=d*data[sample+2] ST = d |
| 420 | fld st0 ; ST = d d |
| 421 | fmul dword [esi + ( 1*4)] ; ST = d*data[sample+1] d |
| 422 | fadd dword [edi + ( 1*4)] ; ST = autoc[1]+d*data[sample+1] d |
| 423 | fstp dword [edi + ( 1*4)] ; autoc[1]+=d*data[sample+1] ST = d |
| 424 | fld st0 ; ST = d d |
| 425 | fmul dword [esi] ; ST = d*data[sample] d WATCHOUT: no displacement byte here! |
| 426 | fadd dword [edi] ; ST = autoc[0]+d*data[sample] d WATCHOUT: no displacement byte here! |
| 427 | fstp dword [edi] ; autoc[0]+=d*data[sample] ST = d WATCHOUT: no displacement byte here! |
| 428 | .jumper2_0: |
| 429 | |
| 430 | fstp st0 ; pop d, ST = empty |
| 431 | add esi, byte 4 ; sample++ |
| 432 | dec ecx |
| 433 | jz .loop2_end |
| 434 | add edx, byte 11 ; adjust our inner loop counter by adjusting the jump target |
| 435 | fld dword [esi] ; ST = d <- data[sample] |
| 436 | jmp edx |
| 437 | .loop2_end: |
| 438 | |
| 439 | .end: |
| 440 | pop ebx |
| 441 | pop edi |
| 442 | pop esi |
| 443 | ret |
| 444 | |
| 445 | ALIGN 16 |
| 446 | cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4_old |
| 447 | ;[esp + 16] == autoc[] |
| 448 | ;[esp + 12] == lag |
| 449 | ;[esp + 8] == data_len |
| 450 | ;[esp + 4] == data[] |
| 451 | |
| 452 | ;ASSERT(lag > 0) |
| 453 | ;ASSERT(lag <= 4) |
| 454 | ;ASSERT(lag <= data_len) |
| 455 | |
| 456 | ; for(coeff = 0; coeff < lag; coeff++) |
| 457 | ; autoc[coeff] = 0.0; |
| 458 | xorps xmm5, xmm5 |
| 459 | |
| 460 | mov edx, [esp + 8] ; edx == data_len |
| 461 | mov eax, [esp + 4] ; eax == &data[sample] <- &data[0] |
| 462 | |
| 463 | movss xmm0, [eax] ; xmm0 = 0,0,0,data[0] |
| 464 | add eax, 4 |
| 465 | movaps xmm2, xmm0 ; xmm2 = 0,0,0,data[0] |
| 466 | shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0] |
| 467 | .warmup: ; xmm2 == data[sample-3],data[sample-2],data[sample-1],data[sample] |
| 468 | mulps xmm0, xmm2 ; xmm0 = xmm0 * xmm2 |
| 469 | addps xmm5, xmm0 ; xmm5 += xmm0 * xmm2 |
| 470 | dec edx |
| 471 | jz .loop_end |
| 472 | ALIGN 16 |
| 473 | .loop_start: |
| 474 | ; start by reading the next sample |
| 475 | movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample] |
| 476 | add eax, 4 |
| 477 | shufps xmm0, xmm0, 0 ; xmm0 = data[sample],data[sample],data[sample],data[sample] |
| 478 | shufps xmm2, xmm2, 93h ; 93h=2-1-0-3 => xmm2 gets rotated left by one float |
| 479 | movss xmm2, xmm0 |
| 480 | mulps xmm0, xmm2 ; xmm0 = xmm0 * xmm2 |
| 481 | addps xmm5, xmm0 ; xmm5 += xmm0 * xmm2 |
| 482 | dec edx |
| 483 | jnz .loop_start |
| 484 | .loop_end: |
| 485 | ; store autoc |
| 486 | mov edx, [esp + 16] ; edx == autoc |
| 487 | movups [edx], xmm5 |
| 488 | |
| 489 | .end: |
| 490 | ret |
| 491 | |
| 492 | ALIGN 16 |
| 493 | cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8_old |
| 494 | ;[esp + 16] == autoc[] |
| 495 | ;[esp + 12] == lag |
| 496 | ;[esp + 8] == data_len |
| 497 | ;[esp + 4] == data[] |
| 498 | |
| 499 | ;ASSERT(lag > 0) |
| 500 | ;ASSERT(lag <= 8) |
| 501 | ;ASSERT(lag <= data_len) |
| 502 | |
| 503 | ; for(coeff = 0; coeff < lag; coeff++) |
| 504 | ; autoc[coeff] = 0.0; |
| 505 | xorps xmm5, xmm5 |
| 506 | xorps xmm6, xmm6 |
| 507 | |
| 508 | mov edx, [esp + 8] ; edx == data_len |
| 509 | mov eax, [esp + 4] ; eax == &data[sample] <- &data[0] |
| 510 | |
| 511 | movss xmm0, [eax] ; xmm0 = 0,0,0,data[0] |
| 512 | add eax, 4 |
| 513 | movaps xmm2, xmm0 ; xmm2 = 0,0,0,data[0] |
| 514 | shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0] |
| 515 | movaps xmm1, xmm0 ; xmm1 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0] |
| 516 | xorps xmm3, xmm3 ; xmm3 = 0,0,0,0 |
| 517 | .warmup: ; xmm3:xmm2 == data[sample-7],data[sample-6],...,data[sample] |
| 518 | mulps xmm0, xmm2 |
| 519 | mulps xmm1, xmm3 ; xmm1:xmm0 = xmm1:xmm0 * xmm3:xmm2 |
| 520 | addps xmm5, xmm0 |
| 521 | addps xmm6, xmm1 ; xmm6:xmm5 += xmm1:xmm0 * xmm3:xmm2 |
| 522 | dec edx |
| 523 | jz .loop_end |
| 524 | ALIGN 16 |
| 525 | .loop_start: |
| 526 | ; start by reading the next sample |
| 527 | movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample] |
| 528 | ; here we reorder the instructions; see the (#) indexes for a logical order |
| 529 | shufps xmm2, xmm2, 93h ; (3) 93h=2-1-0-3 => xmm2 gets rotated left by one float |
| 530 | add eax, 4 ; (0) |
| 531 | shufps xmm3, xmm3, 93h ; (4) 93h=2-1-0-3 => xmm3 gets rotated left by one float |
| 532 | shufps xmm0, xmm0, 0 ; (1) xmm0 = data[sample],data[sample],data[sample],data[sample] |
| 533 | movss xmm3, xmm2 ; (5) |
| 534 | movaps xmm1, xmm0 ; (2) xmm1 = data[sample],data[sample],data[sample],data[sample] |
| 535 | movss xmm2, xmm0 ; (6) |
| 536 | mulps xmm1, xmm3 ; (8) |
| 537 | mulps xmm0, xmm2 ; (7) xmm1:xmm0 = xmm1:xmm0 * xmm3:xmm2 |
| 538 | addps xmm6, xmm1 ; (10) |
| 539 | addps xmm5, xmm0 ; (9) xmm6:xmm5 += xmm1:xmm0 * xmm3:xmm2 |
| 540 | dec edx |
| 541 | jnz .loop_start |
| 542 | .loop_end: |
| 543 | ; store autoc |
| 544 | mov edx, [esp + 16] ; edx == autoc |
| 545 | movups [edx], xmm5 |
| 546 | movups [edx + 16], xmm6 |
| 547 | |
| 548 | .end: |
| 549 | ret |
| 550 | |
| 551 | ALIGN 16 |
| 552 | cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12_old |
| 553 | ;[esp + 16] == autoc[] |
| 554 | ;[esp + 12] == lag |
| 555 | ;[esp + 8] == data_len |
| 556 | ;[esp + 4] == data[] |
| 557 | |
| 558 | ;ASSERT(lag > 0) |
| 559 | ;ASSERT(lag <= 12) |
| 560 | ;ASSERT(lag <= data_len) |
| 561 | |
| 562 | ; for(coeff = 0; coeff < lag; coeff++) |
| 563 | ; autoc[coeff] = 0.0; |
| 564 | xorps xmm5, xmm5 |
| 565 | xorps xmm6, xmm6 |
| 566 | xorps xmm7, xmm7 |
| 567 | |
| 568 | mov edx, [esp + 8] ; edx == data_len |
| 569 | mov eax, [esp + 4] ; eax == &data[sample] <- &data[0] |
| 570 | |
| 571 | movss xmm0, [eax] ; xmm0 = 0,0,0,data[0] |
| 572 | add eax, 4 |
| 573 | movaps xmm2, xmm0 ; xmm2 = 0,0,0,data[0] |
| 574 | shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0] |
| 575 | xorps xmm3, xmm3 ; xmm3 = 0,0,0,0 |
| 576 | xorps xmm4, xmm4 ; xmm4 = 0,0,0,0 |
| 577 | .warmup: ; xmm3:xmm2 == data[sample-7],data[sample-6],...,data[sample] |
| 578 | movaps xmm1, xmm0 |
| 579 | mulps xmm1, xmm2 |
| 580 | addps xmm5, xmm1 |
| 581 | movaps xmm1, xmm0 |
| 582 | mulps xmm1, xmm3 |
| 583 | addps xmm6, xmm1 |
| 584 | mulps xmm0, xmm4 |
| 585 | addps xmm7, xmm0 ; xmm7:xmm6:xmm5 += xmm0:xmm0:xmm0 * xmm4:xmm3:xmm2 |
| 586 | dec edx |
| 587 | jz .loop_end |
| 588 | ALIGN 16 |
| 589 | .loop_start: |
| 590 | ; start by reading the next sample |
| 591 | movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample] |
| 592 | add eax, 4 |
| 593 | shufps xmm0, xmm0, 0 ; xmm0 = data[sample],data[sample],data[sample],data[sample] |
| 594 | |
| 595 | ; shift xmm4:xmm3:xmm2 left by one float |
| 596 | shufps xmm2, xmm2, 93h ; 93h=2-1-0-3 => xmm2 gets rotated left by one float |
| 597 | shufps xmm3, xmm3, 93h ; 93h=2-1-0-3 => xmm3 gets rotated left by one float |
| 598 | shufps xmm4, xmm4, 93h ; 93h=2-1-0-3 => xmm4 gets rotated left by one float |
| 599 | movss xmm4, xmm3 |
| 600 | movss xmm3, xmm2 |
| 601 | movss xmm2, xmm0 |
| 602 | |
| 603 | ; xmm7:xmm6:xmm5 += xmm0:xmm0:xmm0 * xmm4:xmm3:xmm2 |
| 604 | movaps xmm1, xmm0 |
| 605 | mulps xmm1, xmm2 |
| 606 | addps xmm5, xmm1 |
| 607 | movaps xmm1, xmm0 |
| 608 | mulps xmm1, xmm3 |
| 609 | addps xmm6, xmm1 |
| 610 | mulps xmm0, xmm4 |
| 611 | addps xmm7, xmm0 |
| 612 | |
| 613 | dec edx |
| 614 | jnz .loop_start |
| 615 | .loop_end: |
| 616 | ; store autoc |
| 617 | mov edx, [esp + 16] ; edx == autoc |
| 618 | movups [edx], xmm5 |
| 619 | movups [edx + 16], xmm6 |
| 620 | movups [edx + 32], xmm7 |
| 621 | |
| 622 | .end: |
| 623 | ret |
| 624 | |
| 625 | ALIGN 16 |
| 626 | cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_16_old |
| 627 | ;[ebp + 20] == autoc[] |
| 628 | ;[ebp + 16] == lag |
| 629 | ;[ebp + 12] == data_len |
| 630 | ;[ebp + 8] == data[] |
| 631 | ;[esp] == __m128 |
| 632 | ;[esp + 16] == __m128 |
| 633 | |
| 634 | push ebp |
| 635 | mov ebp, esp |
| 636 | and esp, -16 ; stack realign for SSE instructions 'movaps' and 'addps' |
| 637 | sub esp, 32 |
| 638 | |
| 639 | ;ASSERT(lag > 0) |
| 640 | ;ASSERT(lag <= 12) |
| 641 | ;ASSERT(lag <= data_len) |
| 642 | ;ASSERT(data_len > 0) |
| 643 | |
| 644 | ; for(coeff = 0; coeff < lag; coeff++) |
| 645 | ; autoc[coeff] = 0.0; |
| 646 | xorps xmm5, xmm5 |
| 647 | xorps xmm6, xmm6 |
| 648 | movaps [esp], xmm5 |
| 649 | movaps [esp + 16], xmm6 |
| 650 | |
| 651 | mov edx, [ebp + 12] ; edx == data_len |
| 652 | mov eax, [ebp + 8] ; eax == &data[sample] <- &data[0] |
| 653 | |
| 654 | movss xmm0, [eax] ; xmm0 = 0,0,0,data[0] |
| 655 | add eax, 4 |
| 656 | movaps xmm1, xmm0 ; xmm1 = 0,0,0,data[0] |
| 657 | shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0] |
| 658 | xorps xmm2, xmm2 ; xmm2 = 0,0,0,0 |
| 659 | xorps xmm3, xmm3 ; xmm3 = 0,0,0,0 |
| 660 | xorps xmm4, xmm4 ; xmm4 = 0,0,0,0 |
| 661 | movaps xmm7, xmm0 |
| 662 | mulps xmm7, xmm1 |
| 663 | addps xmm5, xmm7 |
| 664 | dec edx |
| 665 | jz .loop_end |
| 666 | ALIGN 16 |
| 667 | .loop_start: |
| 668 | ; start by reading the next sample |
| 669 | movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample] |
| 670 | add eax, 4 |
| 671 | shufps xmm0, xmm0, 0 ; xmm0 = data[sample],data[sample],data[sample],data[sample] |
| 672 | |
| 673 | ; shift xmm4:xmm3:xmm2:xmm1 left by one float |
| 674 | shufps xmm1, xmm1, 93h |
| 675 | shufps xmm2, xmm2, 93h |
| 676 | shufps xmm3, xmm3, 93h |
| 677 | shufps xmm4, xmm4, 93h |
| 678 | movss xmm4, xmm3 |
| 679 | movss xmm3, xmm2 |
| 680 | movss xmm2, xmm1 |
| 681 | movss xmm1, xmm0 |
| 682 | |
| 683 | ; xmmB:xmmA:xmm6:xmm5 += xmm0:xmm0:xmm0:xmm0 * xmm4:xmm3:xmm2:xmm1 |
| 684 | movaps xmm7, xmm0 |
| 685 | mulps xmm7, xmm1 |
| 686 | addps xmm5, xmm7 |
| 687 | movaps xmm7, xmm0 |
| 688 | mulps xmm7, xmm2 |
| 689 | addps xmm6, xmm7 |
| 690 | movaps xmm7, xmm0 |
| 691 | mulps xmm7, xmm3 |
| 692 | mulps xmm0, xmm4 |
| 693 | addps xmm7, [esp] |
| 694 | addps xmm0, [esp + 16] |
| 695 | movaps [esp], xmm7 |
| 696 | movaps [esp + 16], xmm0 |
| 697 | |
| 698 | dec edx |
| 699 | jnz .loop_start |
| 700 | .loop_end: |
| 701 | ; store autoc |
| 702 | mov edx, [ebp + 20] ; edx == autoc |
| 703 | movups [edx], xmm5 |
| 704 | movups [edx + 16], xmm6 |
| 705 | movaps xmm5, [esp] |
| 706 | movaps xmm6, [esp + 16] |
| 707 | movups [edx + 32], xmm5 |
| 708 | movups [edx + 48], xmm6 |
| 709 | .end: |
| 710 | mov esp, ebp |
| 711 | pop ebp |
| 712 | ret |
| 713 | |
| 714 | ;void FLAC__lpc_compute_residual_from_qlp_coefficients(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]) |
| 715 | ; |
| 716 | ; for(i = 0; i < data_len; i++) { |
| 717 | ; sum = 0; |
| 718 | ; for(j = 0; j < order; j++) |
| 719 | ; sum += qlp_coeff[j] * data[i-j-1]; |
| 720 | ; residual[i] = data[i] - (sum >> lp_quantization); |
| 721 | ; } |
| 722 | ; |
| 723 | ALIGN 16 |
| 724 | cident FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32 |
| 725 | ;[esp + 40] residual[] |
| 726 | ;[esp + 36] lp_quantization |
| 727 | ;[esp + 32] order |
| 728 | ;[esp + 28] qlp_coeff[] |
| 729 | ;[esp + 24] data_len |
| 730 | ;[esp + 20] data[] |
| 731 | |
| 732 | ;ASSERT(order > 0) |
| 733 | |
| 734 | push ebp |
| 735 | push ebx |
| 736 | push esi |
| 737 | push edi |
| 738 | |
| 739 | mov esi, [esp + 20] ; esi = data[] |
| 740 | mov edi, [esp + 40] ; edi = residual[] |
| 741 | mov eax, [esp + 32] ; eax = order |
| 742 | mov ebx, [esp + 24] ; ebx = data_len |
| 743 | |
| 744 | test ebx, ebx |
| 745 | jz near .end ; do nothing if data_len == 0 |
| 746 | .begin: |
| 747 | cmp eax, byte 1 |
| 748 | jg short .i_1more |
| 749 | |
| 750 | mov ecx, [esp + 28] |
| 751 | mov edx, [ecx] ; edx = qlp_coeff[0] |
| 752 | mov eax, [esi - 4] ; eax = data[-1] |
| 753 | mov ecx, [esp + 36] ; cl = lp_quantization |
| 754 | ALIGN 16 |
| 755 | .i_1_loop_i: |
| 756 | imul eax, edx |
| 757 | sar eax, cl |
| 758 | neg eax |
| 759 | add eax, [esi] |
| 760 | mov [edi], eax |
| 761 | mov eax, [esi] |
| 762 | add edi, byte 4 |
| 763 | add esi, byte 4 |
| 764 | dec ebx |
| 765 | jnz .i_1_loop_i |
| 766 | |
| 767 | jmp .end |
| 768 | |
| 769 | .i_1more: |
| 770 | cmp eax, byte 32 ; for order <= 32 there is a faster routine |
| 771 | jbe short .i_32 |
| 772 | |
| 773 | ; This version is here just for completeness, since FLAC__MAX_LPC_ORDER == 32 |
| 774 | ALIGN 16 |
| 775 | .i_32more_loop_i: |
| 776 | xor ebp, ebp |
| 777 | mov ecx, [esp + 32] |
| 778 | mov edx, ecx |
| 779 | shl edx, 2 |
| 780 | add edx, [esp + 28] |
| 781 | neg ecx |
| 782 | ALIGN 16 |
| 783 | .i_32more_loop_j: |
| 784 | sub edx, byte 4 |
| 785 | mov eax, [edx] |
| 786 | imul eax, [esi + 4 * ecx] |
| 787 | add ebp, eax |
| 788 | inc ecx |
| 789 | jnz short .i_32more_loop_j |
| 790 | |
| 791 | mov ecx, [esp + 36] |
| 792 | sar ebp, cl |
| 793 | neg ebp |
| 794 | add ebp, [esi] |
| 795 | mov [edi], ebp |
| 796 | add esi, byte 4 |
| 797 | add edi, byte 4 |
| 798 | |
| 799 | dec ebx |
| 800 | jnz .i_32more_loop_i |
| 801 | |
| 802 | jmp .end |
| 803 | |
| 804 | .mov_eip_to_eax: |
| 805 | mov eax, [esp] |
| 806 | ret |
| 807 | |
| 808 | .i_32: |
| 809 | sub edi, esi |
| 810 | neg eax |
| 811 | lea edx, [eax + eax * 8 + .jumper_0 - .get_eip0] |
| 812 | call .mov_eip_to_eax |
| 813 | .get_eip0: |
| 814 | add edx, eax |
| 815 | inc edx |
| 816 | mov eax, [esp + 28] ; eax = qlp_coeff[] |
| 817 | xor ebp, ebp |
| 818 | jmp edx |
| 819 | |
| 820 | mov ecx, [eax + 124] |
| 821 | imul ecx, [esi - 128] |
| 822 | add ebp, ecx |
| 823 | mov ecx, [eax + 120] |
| 824 | imul ecx, [esi - 124] |
| 825 | add ebp, ecx |
| 826 | mov ecx, [eax + 116] |
| 827 | imul ecx, [esi - 120] |
| 828 | add ebp, ecx |
| 829 | mov ecx, [eax + 112] |
| 830 | imul ecx, [esi - 116] |
| 831 | add ebp, ecx |
| 832 | mov ecx, [eax + 108] |
| 833 | imul ecx, [esi - 112] |
| 834 | add ebp, ecx |
| 835 | mov ecx, [eax + 104] |
| 836 | imul ecx, [esi - 108] |
| 837 | add ebp, ecx |
| 838 | mov ecx, [eax + 100] |
| 839 | imul ecx, [esi - 104] |
| 840 | add ebp, ecx |
| 841 | mov ecx, [eax + 96] |
| 842 | imul ecx, [esi - 100] |
| 843 | add ebp, ecx |
| 844 | mov ecx, [eax + 92] |
| 845 | imul ecx, [esi - 96] |
| 846 | add ebp, ecx |
| 847 | mov ecx, [eax + 88] |
| 848 | imul ecx, [esi - 92] |
| 849 | add ebp, ecx |
| 850 | mov ecx, [eax + 84] |
| 851 | imul ecx, [esi - 88] |
| 852 | add ebp, ecx |
| 853 | mov ecx, [eax + 80] |
| 854 | imul ecx, [esi - 84] |
| 855 | add ebp, ecx |
| 856 | mov ecx, [eax + 76] |
| 857 | imul ecx, [esi - 80] |
| 858 | add ebp, ecx |
| 859 | mov ecx, [eax + 72] |
| 860 | imul ecx, [esi - 76] |
| 861 | add ebp, ecx |
| 862 | mov ecx, [eax + 68] |
| 863 | imul ecx, [esi - 72] |
| 864 | add ebp, ecx |
| 865 | mov ecx, [eax + 64] |
| 866 | imul ecx, [esi - 68] |
| 867 | add ebp, ecx |
| 868 | mov ecx, [eax + 60] |
| 869 | imul ecx, [esi - 64] |
| 870 | add ebp, ecx |
| 871 | mov ecx, [eax + 56] |
| 872 | imul ecx, [esi - 60] |
| 873 | add ebp, ecx |
| 874 | mov ecx, [eax + 52] |
| 875 | imul ecx, [esi - 56] |
| 876 | add ebp, ecx |
| 877 | mov ecx, [eax + 48] |
| 878 | imul ecx, [esi - 52] |
| 879 | add ebp, ecx |
| 880 | mov ecx, [eax + 44] |
| 881 | imul ecx, [esi - 48] |
| 882 | add ebp, ecx |
| 883 | mov ecx, [eax + 40] |
| 884 | imul ecx, [esi - 44] |
| 885 | add ebp, ecx |
| 886 | mov ecx, [eax + 36] |
| 887 | imul ecx, [esi - 40] |
| 888 | add ebp, ecx |
| 889 | mov ecx, [eax + 32] |
| 890 | imul ecx, [esi - 36] |
| 891 | add ebp, ecx |
| 892 | mov ecx, [eax + 28] |
| 893 | imul ecx, [esi - 32] |
| 894 | add ebp, ecx |
| 895 | mov ecx, [eax + 24] |
| 896 | imul ecx, [esi - 28] |
| 897 | add ebp, ecx |
| 898 | mov ecx, [eax + 20] |
| 899 | imul ecx, [esi - 24] |
| 900 | add ebp, ecx |
| 901 | mov ecx, [eax + 16] |
| 902 | imul ecx, [esi - 20] |
| 903 | add ebp, ecx |
| 904 | mov ecx, [eax + 12] |
| 905 | imul ecx, [esi - 16] |
| 906 | add ebp, ecx |
| 907 | mov ecx, [eax + 8] |
| 908 | imul ecx, [esi - 12] |
| 909 | add ebp, ecx |
| 910 | mov ecx, [eax + 4] |
| 911 | imul ecx, [esi - 8] |
| 912 | add ebp, ecx |
| 913 | mov ecx, [eax] ; there is one byte missing |
| 914 | imul ecx, [esi - 4] |
| 915 | add ebp, ecx |
| 916 | .jumper_0: |
| 917 | |
| 918 | mov ecx, [esp + 36] |
| 919 | sar ebp, cl |
| 920 | neg ebp |
| 921 | add ebp, [esi] |
| 922 | mov [edi + esi], ebp |
| 923 | add esi, byte 4 |
| 924 | |
| 925 | dec ebx |
| 926 | jz short .end |
| 927 | xor ebp, ebp |
| 928 | jmp edx |
| 929 | |
| 930 | .end: |
| 931 | pop edi |
| 932 | pop esi |
| 933 | pop ebx |
| 934 | pop ebp |
| 935 | ret |
| 936 | |
| 937 | ; WATCHOUT: this routine works on 16 bit data which means bits-per-sample for |
| 938 | ; the channel and qlp_coeffs must be <= 16. Especially note that this routine |
| 939 | ; cannot be used for side-channel coded 16bps channels since the effective bps |
| 940 | ; is 17. |
| 941 | ALIGN 16 |
| 942 | cident FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx |
| 943 | ;[esp + 40] residual[] |
| 944 | ;[esp + 36] lp_quantization |
| 945 | ;[esp + 32] order |
| 946 | ;[esp + 28] qlp_coeff[] |
| 947 | ;[esp + 24] data_len |
| 948 | ;[esp + 20] data[] |
| 949 | |
| 950 | ;ASSERT(order > 0) |
| 951 | |
| 952 | push ebp |
| 953 | push ebx |
| 954 | push esi |
| 955 | push edi |
| 956 | |
| 957 | mov esi, [esp + 20] ; esi = data[] |
| 958 | mov edi, [esp + 40] ; edi = residual[] |
| 959 | mov eax, [esp + 32] ; eax = order |
| 960 | mov ebx, [esp + 24] ; ebx = data_len |
| 961 | |
| 962 | test ebx, ebx |
| 963 | jz near .end ; do nothing if data_len == 0 |
| 964 | dec ebx |
| 965 | test ebx, ebx |
| 966 | jz near .last_one |
| 967 | |
| 968 | mov edx, [esp + 28] ; edx = qlp_coeff[] |
| 969 | movd mm6, [esp + 36] ; mm6 = 0:lp_quantization |
| 970 | mov ebp, esp |
| 971 | |
| 972 | and esp, 0xfffffff8 |
| 973 | |
| 974 | xor ecx, ecx |
| 975 | .copy_qlp_loop: |
| 976 | push word [edx + 4 * ecx] |
| 977 | inc ecx |
| 978 | cmp ecx, eax |
| 979 | jnz short .copy_qlp_loop |
| 980 | |
| 981 | and ecx, 0x3 |
| 982 | test ecx, ecx |
| 983 | je short .za_end |
| 984 | sub ecx, byte 4 |
| 985 | .za_loop: |
| 986 | push word 0 |
| 987 | inc eax |
| 988 | inc ecx |
| 989 | jnz short .za_loop |
| 990 | .za_end: |
| 991 | |
| 992 | movq mm5, [esp + 2 * eax - 8] |
| 993 | movd mm4, [esi - 16] |
| 994 | punpckldq mm4, [esi - 12] |
| 995 | movd mm0, [esi - 8] |
| 996 | punpckldq mm0, [esi - 4] |
| 997 | packssdw mm4, mm0 |
| 998 | |
| 999 | cmp eax, byte 4 |
| 1000 | jnbe short .mmx_4more |
| 1001 | |
| 1002 | ALIGN 16 |
| 1003 | .mmx_4_loop_i: |
| 1004 | movd mm1, [esi] |
| 1005 | movq mm3, mm4 |
| 1006 | punpckldq mm1, [esi + 4] |
| 1007 | psrlq mm4, 16 |
| 1008 | movq mm0, mm1 |
| 1009 | psllq mm0, 48 |
| 1010 | por mm4, mm0 |
| 1011 | movq mm2, mm4 |
| 1012 | psrlq mm4, 16 |
| 1013 | pxor mm0, mm0 |
| 1014 | punpckhdq mm0, mm1 |
| 1015 | pmaddwd mm3, mm5 |
| 1016 | pmaddwd mm2, mm5 |
| 1017 | psllq mm0, 16 |
| 1018 | por mm4, mm0 |
| 1019 | movq mm0, mm3 |
| 1020 | punpckldq mm3, mm2 |
| 1021 | punpckhdq mm0, mm2 |
| 1022 | paddd mm3, mm0 |
| 1023 | psrad mm3, mm6 |
| 1024 | psubd mm1, mm3 |
| 1025 | movd [edi], mm1 |
| 1026 | punpckhdq mm1, mm1 |
| 1027 | movd [edi + 4], mm1 |
| 1028 | |
| 1029 | add edi, byte 8 |
| 1030 | add esi, byte 8 |
| 1031 | |
| 1032 | sub ebx, 2 |
| 1033 | jg .mmx_4_loop_i |
| 1034 | jmp .mmx_end |
| 1035 | |
| 1036 | .mmx_4more: |
| 1037 | shl eax, 2 |
| 1038 | neg eax |
| 1039 | add eax, byte 16 |
| 1040 | |
| 1041 | ALIGN 16 |
| 1042 | .mmx_4more_loop_i: |
| 1043 | movd mm1, [esi] |
| 1044 | punpckldq mm1, [esi + 4] |
| 1045 | movq mm3, mm4 |
| 1046 | psrlq mm4, 16 |
| 1047 | movq mm0, mm1 |
| 1048 | psllq mm0, 48 |
| 1049 | por mm4, mm0 |
| 1050 | movq mm2, mm4 |
| 1051 | psrlq mm4, 16 |
| 1052 | pxor mm0, mm0 |
| 1053 | punpckhdq mm0, mm1 |
| 1054 | pmaddwd mm3, mm5 |
| 1055 | pmaddwd mm2, mm5 |
| 1056 | psllq mm0, 16 |
| 1057 | por mm4, mm0 |
| 1058 | |
| 1059 | mov ecx, esi |
| 1060 | add ecx, eax |
| 1061 | mov edx, esp |
| 1062 | |
| 1063 | ALIGN 16 |
| 1064 | .mmx_4more_loop_j: |
| 1065 | movd mm0, [ecx - 16] |
| 1066 | movd mm7, [ecx - 8] |
| 1067 | punpckldq mm0, [ecx - 12] |
| 1068 | punpckldq mm7, [ecx - 4] |
| 1069 | packssdw mm0, mm7 |
| 1070 | pmaddwd mm0, [edx] |
| 1071 | punpckhdq mm7, mm7 |
| 1072 | paddd mm3, mm0 |
| 1073 | movd mm0, [ecx - 12] |
| 1074 | punpckldq mm0, [ecx - 8] |
| 1075 | punpckldq mm7, [ecx] |
| 1076 | packssdw mm0, mm7 |
| 1077 | pmaddwd mm0, [edx] |
| 1078 | paddd mm2, mm0 |
| 1079 | |
| 1080 | add edx, byte 8 |
| 1081 | add ecx, byte 16 |
| 1082 | cmp ecx, esi |
| 1083 | jnz .mmx_4more_loop_j |
| 1084 | |
| 1085 | movq mm0, mm3 |
| 1086 | punpckldq mm3, mm2 |
| 1087 | punpckhdq mm0, mm2 |
| 1088 | paddd mm3, mm0 |
| 1089 | psrad mm3, mm6 |
| 1090 | psubd mm1, mm3 |
| 1091 | movd [edi], mm1 |
| 1092 | punpckhdq mm1, mm1 |
| 1093 | movd [edi + 4], mm1 |
| 1094 | |
| 1095 | add edi, byte 8 |
| 1096 | add esi, byte 8 |
| 1097 | |
| 1098 | sub ebx, 2 |
| 1099 | jg near .mmx_4more_loop_i |
| 1100 | |
| 1101 | .mmx_end: |
| 1102 | emms |
| 1103 | mov esp, ebp |
| 1104 | .last_one: |
| 1105 | mov eax, [esp + 32] |
| 1106 | inc ebx |
| 1107 | jnz near FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32.begin |
| 1108 | |
| 1109 | .end: |
| 1110 | pop edi |
| 1111 | pop esi |
| 1112 | pop ebx |
| 1113 | pop ebp |
| 1114 | ret |
| 1115 | |
| 1116 | ; ********************************************************************** |
| 1117 | ; |
| 1118 | ; void FLAC__lpc_restore_signal(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]) |
| 1119 | ; { |
| 1120 | ; unsigned i, j; |
| 1121 | ; FLAC__int32 sum; |
| 1122 | ; |
| 1123 | ; FLAC__ASSERT(order > 0); |
| 1124 | ; |
| 1125 | ; for(i = 0; i < data_len; i++) { |
| 1126 | ; sum = 0; |
| 1127 | ; for(j = 0; j < order; j++) |
| 1128 | ; sum += qlp_coeff[j] * data[i-j-1]; |
| 1129 | ; data[i] = residual[i] + (sum >> lp_quantization); |
| 1130 | ; } |
| 1131 | ; } |
| 1132 | ALIGN 16 |
| 1133 | cident FLAC__lpc_restore_signal_asm_ia32 |
| 1134 | ;[esp + 40] data[] |
| 1135 | ;[esp + 36] lp_quantization |
| 1136 | ;[esp + 32] order |
| 1137 | ;[esp + 28] qlp_coeff[] |
| 1138 | ;[esp + 24] data_len |
| 1139 | ;[esp + 20] residual[] |
| 1140 | |
| 1141 | ;ASSERT(order > 0) |
| 1142 | |
| 1143 | push ebp |
| 1144 | push ebx |
| 1145 | push esi |
| 1146 | push edi |
| 1147 | |
| 1148 | mov esi, [esp + 20] ; esi = residual[] |
| 1149 | mov edi, [esp + 40] ; edi = data[] |
| 1150 | mov eax, [esp + 32] ; eax = order |
| 1151 | mov ebx, [esp + 24] ; ebx = data_len |
| 1152 | |
| 1153 | test ebx, ebx |
| 1154 | jz near .end ; do nothing if data_len == 0 |
| 1155 | |
| 1156 | .begin: |
| 1157 | cmp eax, byte 1 |
| 1158 | jg short .x87_1more |
| 1159 | |
| 1160 | mov ecx, [esp + 28] |
| 1161 | mov edx, [ecx] |
| 1162 | mov eax, [edi - 4] |
| 1163 | mov ecx, [esp + 36] |
| 1164 | ALIGN 16 |
| 1165 | .x87_1_loop_i: |
| 1166 | imul eax, edx |
| 1167 | sar eax, cl |
| 1168 | add eax, [esi] |
| 1169 | mov [edi], eax |
| 1170 | add esi, byte 4 |
| 1171 | add edi, byte 4 |
| 1172 | dec ebx |
| 1173 | jnz .x87_1_loop_i |
| 1174 | |
| 1175 | jmp .end |
| 1176 | |
| 1177 | .x87_1more: |
| 1178 | cmp eax, byte 32 ; for order <= 32 there is a faster routine |
| 1179 | jbe short .x87_32 |
| 1180 | |
| 1181 | ; This version is here just for completeness, since FLAC__MAX_LPC_ORDER == 32 |
| 1182 | ALIGN 16 |
| 1183 | .x87_32more_loop_i: |
| 1184 | xor ebp, ebp |
| 1185 | mov ecx, [esp + 32] |
| 1186 | mov edx, ecx |
| 1187 | shl edx, 2 |
| 1188 | add edx, [esp + 28] |
| 1189 | neg ecx |
| 1190 | ALIGN 16 |
| 1191 | .x87_32more_loop_j: |
| 1192 | sub edx, byte 4 |
| 1193 | mov eax, [edx] |
| 1194 | imul eax, [edi + 4 * ecx] |
| 1195 | add ebp, eax |
| 1196 | inc ecx |
| 1197 | jnz short .x87_32more_loop_j |
| 1198 | |
| 1199 | mov ecx, [esp + 36] |
| 1200 | sar ebp, cl |
| 1201 | add ebp, [esi] |
| 1202 | mov [edi], ebp |
| 1203 | add edi, byte 4 |
| 1204 | add esi, byte 4 |
| 1205 | |
| 1206 | dec ebx |
| 1207 | jnz .x87_32more_loop_i |
| 1208 | |
| 1209 | jmp .end |
| 1210 | |
| 1211 | .mov_eip_to_eax: |
| 1212 | mov eax, [esp] |
| 1213 | ret |
| 1214 | |
| 1215 | .x87_32: |
| 1216 | sub esi, edi |
| 1217 | neg eax |
| 1218 | lea edx, [eax + eax * 8 + .jumper_0 - .get_eip0] |
| 1219 | call .mov_eip_to_eax |
| 1220 | .get_eip0: |
| 1221 | add edx, eax |
| 1222 | inc edx ; compensate for the shorter opcode on the last iteration |
| 1223 | mov eax, [esp + 28] ; eax = qlp_coeff[] |
| 1224 | xor ebp, ebp |
| 1225 | jmp edx |
| 1226 | |
| 1227 | mov ecx, [eax + 124] ; ecx = qlp_coeff[31] |
| 1228 | imul ecx, [edi - 128] ; ecx = qlp_coeff[31] * data[i-32] |
| 1229 | add ebp, ecx ; sum += qlp_coeff[31] * data[i-32] |
| 1230 | mov ecx, [eax + 120] ; ecx = qlp_coeff[30] |
| 1231 | imul ecx, [edi - 124] ; ecx = qlp_coeff[30] * data[i-31] |
| 1232 | add ebp, ecx ; sum += qlp_coeff[30] * data[i-31] |
| 1233 | mov ecx, [eax + 116] ; ecx = qlp_coeff[29] |
| 1234 | imul ecx, [edi - 120] ; ecx = qlp_coeff[29] * data[i-30] |
| 1235 | add ebp, ecx ; sum += qlp_coeff[29] * data[i-30] |
| 1236 | mov ecx, [eax + 112] ; ecx = qlp_coeff[28] |
| 1237 | imul ecx, [edi - 116] ; ecx = qlp_coeff[28] * data[i-29] |
| 1238 | add ebp, ecx ; sum += qlp_coeff[28] * data[i-29] |
| 1239 | mov ecx, [eax + 108] ; ecx = qlp_coeff[27] |
| 1240 | imul ecx, [edi - 112] ; ecx = qlp_coeff[27] * data[i-28] |
| 1241 | add ebp, ecx ; sum += qlp_coeff[27] * data[i-28] |
| 1242 | mov ecx, [eax + 104] ; ecx = qlp_coeff[26] |
| 1243 | imul ecx, [edi - 108] ; ecx = qlp_coeff[26] * data[i-27] |
| 1244 | add ebp, ecx ; sum += qlp_coeff[26] * data[i-27] |
| 1245 | mov ecx, [eax + 100] ; ecx = qlp_coeff[25] |
| 1246 | imul ecx, [edi - 104] ; ecx = qlp_coeff[25] * data[i-26] |
| 1247 | add ebp, ecx ; sum += qlp_coeff[25] * data[i-26] |
| 1248 | mov ecx, [eax + 96] ; ecx = qlp_coeff[24] |
| 1249 | imul ecx, [edi - 100] ; ecx = qlp_coeff[24] * data[i-25] |
| 1250 | add ebp, ecx ; sum += qlp_coeff[24] * data[i-25] |
| 1251 | mov ecx, [eax + 92] ; ecx = qlp_coeff[23] |
| 1252 | imul ecx, [edi - 96] ; ecx = qlp_coeff[23] * data[i-24] |
| 1253 | add ebp, ecx ; sum += qlp_coeff[23] * data[i-24] |
| 1254 | mov ecx, [eax + 88] ; ecx = qlp_coeff[22] |
| 1255 | imul ecx, [edi - 92] ; ecx = qlp_coeff[22] * data[i-23] |
| 1256 | add ebp, ecx ; sum += qlp_coeff[22] * data[i-23] |
| 1257 | mov ecx, [eax + 84] ; ecx = qlp_coeff[21] |
| 1258 | imul ecx, [edi - 88] ; ecx = qlp_coeff[21] * data[i-22] |
| 1259 | add ebp, ecx ; sum += qlp_coeff[21] * data[i-22] |
| 1260 | mov ecx, [eax + 80] ; ecx = qlp_coeff[20] |
| 1261 | imul ecx, [edi - 84] ; ecx = qlp_coeff[20] * data[i-21] |
| 1262 | add ebp, ecx ; sum += qlp_coeff[20] * data[i-21] |
| 1263 | mov ecx, [eax + 76] ; ecx = qlp_coeff[19] |
| 1264 | imul ecx, [edi - 80] ; ecx = qlp_coeff[19] * data[i-20] |
| 1265 | add ebp, ecx ; sum += qlp_coeff[19] * data[i-20] |
| 1266 | mov ecx, [eax + 72] ; ecx = qlp_coeff[18] |
| 1267 | imul ecx, [edi - 76] ; ecx = qlp_coeff[18] * data[i-19] |
| 1268 | add ebp, ecx ; sum += qlp_coeff[18] * data[i-19] |
| 1269 | mov ecx, [eax + 68] ; ecx = qlp_coeff[17] |
| 1270 | imul ecx, [edi - 72] ; ecx = qlp_coeff[17] * data[i-18] |
| 1271 | add ebp, ecx ; sum += qlp_coeff[17] * data[i-18] |
| 1272 | mov ecx, [eax + 64] ; ecx = qlp_coeff[16] |
| 1273 | imul ecx, [edi - 68] ; ecx = qlp_coeff[16] * data[i-17] |
| 1274 | add ebp, ecx ; sum += qlp_coeff[16] * data[i-17] |
| 1275 | mov ecx, [eax + 60] ; ecx = qlp_coeff[15] |
| 1276 | imul ecx, [edi - 64] ; ecx = qlp_coeff[15] * data[i-16] |
| 1277 | add ebp, ecx ; sum += qlp_coeff[15] * data[i-16] |
| 1278 | mov ecx, [eax + 56] ; ecx = qlp_coeff[14] |
| 1279 | imul ecx, [edi - 60] ; ecx = qlp_coeff[14] * data[i-15] |
| 1280 | add ebp, ecx ; sum += qlp_coeff[14] * data[i-15] |
| 1281 | mov ecx, [eax + 52] ; ecx = qlp_coeff[13] |
| 1282 | imul ecx, [edi - 56] ; ecx = qlp_coeff[13] * data[i-14] |
| 1283 | add ebp, ecx ; sum += qlp_coeff[13] * data[i-14] |
| 1284 | mov ecx, [eax + 48] ; ecx = qlp_coeff[12] |
| 1285 | imul ecx, [edi - 52] ; ecx = qlp_coeff[12] * data[i-13] |
| 1286 | add ebp, ecx ; sum += qlp_coeff[12] * data[i-13] |
| 1287 | mov ecx, [eax + 44] ; ecx = qlp_coeff[11] |
| 1288 | imul ecx, [edi - 48] ; ecx = qlp_coeff[11] * data[i-12] |
| 1289 | add ebp, ecx ; sum += qlp_coeff[11] * data[i-12] |
| 1290 | mov ecx, [eax + 40] ; ecx = qlp_coeff[10] |
| 1291 | imul ecx, [edi - 44] ; ecx = qlp_coeff[10] * data[i-11] |
| 1292 | add ebp, ecx ; sum += qlp_coeff[10] * data[i-11] |
| 1293 | mov ecx, [eax + 36] ; ecx = qlp_coeff[ 9] |
| 1294 | imul ecx, [edi - 40] ; ecx = qlp_coeff[ 9] * data[i-10] |
| 1295 | add ebp, ecx ; sum += qlp_coeff[ 9] * data[i-10] |
| 1296 | mov ecx, [eax + 32] ; ecx = qlp_coeff[ 8] |
| 1297 | imul ecx, [edi - 36] ; ecx = qlp_coeff[ 8] * data[i- 9] |
| 1298 | add ebp, ecx ; sum += qlp_coeff[ 8] * data[i- 9] |
| 1299 | mov ecx, [eax + 28] ; ecx = qlp_coeff[ 7] |
| 1300 | imul ecx, [edi - 32] ; ecx = qlp_coeff[ 7] * data[i- 8] |
| 1301 | add ebp, ecx ; sum += qlp_coeff[ 7] * data[i- 8] |
| 1302 | mov ecx, [eax + 24] ; ecx = qlp_coeff[ 6] |
| 1303 | imul ecx, [edi - 28] ; ecx = qlp_coeff[ 6] * data[i- 7] |
| 1304 | add ebp, ecx ; sum += qlp_coeff[ 6] * data[i- 7] |
| 1305 | mov ecx, [eax + 20] ; ecx = qlp_coeff[ 5] |
| 1306 | imul ecx, [edi - 24] ; ecx = qlp_coeff[ 5] * data[i- 6] |
| 1307 | add ebp, ecx ; sum += qlp_coeff[ 5] * data[i- 6] |
| 1308 | mov ecx, [eax + 16] ; ecx = qlp_coeff[ 4] |
| 1309 | imul ecx, [edi - 20] ; ecx = qlp_coeff[ 4] * data[i- 5] |
| 1310 | add ebp, ecx ; sum += qlp_coeff[ 4] * data[i- 5] |
| 1311 | mov ecx, [eax + 12] ; ecx = qlp_coeff[ 3] |
| 1312 | imul ecx, [edi - 16] ; ecx = qlp_coeff[ 3] * data[i- 4] |
| 1313 | add ebp, ecx ; sum += qlp_coeff[ 3] * data[i- 4] |
| 1314 | mov ecx, [eax + 8] ; ecx = qlp_coeff[ 2] |
| 1315 | imul ecx, [edi - 12] ; ecx = qlp_coeff[ 2] * data[i- 3] |
| 1316 | add ebp, ecx ; sum += qlp_coeff[ 2] * data[i- 3] |
| 1317 | mov ecx, [eax + 4] ; ecx = qlp_coeff[ 1] |
| 1318 | imul ecx, [edi - 8] ; ecx = qlp_coeff[ 1] * data[i- 2] |
| 1319 | add ebp, ecx ; sum += qlp_coeff[ 1] * data[i- 2] |
| 1320 | mov ecx, [eax] ; ecx = qlp_coeff[ 0] (NOTE: one byte missing from instruction) |
| 1321 | imul ecx, [edi - 4] ; ecx = qlp_coeff[ 0] * data[i- 1] |
| 1322 | add ebp, ecx ; sum += qlp_coeff[ 0] * data[i- 1] |
| 1323 | .jumper_0: |
| 1324 | |
| 1325 | mov ecx, [esp + 36] |
| 1326 | sar ebp, cl ; ebp = (sum >> lp_quantization) |
| 1327 | add ebp, [esi + edi] ; ebp = residual[i] + (sum >> lp_quantization) |
| 1328 | mov [edi], ebp ; data[i] = residual[i] + (sum >> lp_quantization) |
| 1329 | add edi, byte 4 |
| 1330 | |
| 1331 | dec ebx |
| 1332 | jz short .end |
| 1333 | xor ebp, ebp |
| 1334 | jmp edx |
| 1335 | |
| 1336 | .end: |
| 1337 | pop edi |
| 1338 | pop esi |
| 1339 | pop ebx |
| 1340 | pop ebp |
| 1341 | ret |
| 1342 | |
| 1343 | ; WATCHOUT: this routine works on 16 bit data which means bits-per-sample for |
| 1344 | ; the channel and qlp_coeffs must be <= 16. Especially note that this routine |
| 1345 | ; cannot be used for side-channel coded 16bps channels since the effective bps |
| 1346 | ; is 17. |
| 1347 | ; WATCHOUT: this routine requires that each data array have a buffer of up to |
| 1348 | ; 3 zeroes in front (at negative indices) for alignment purposes, i.e. for each |
| 1349 | ; channel n, data[n][-1] through data[n][-3] should be accessible and zero. |
| 1350 | ALIGN 16 |
| 1351 | cident FLAC__lpc_restore_signal_asm_ia32_mmx |
| 1352 | ;[esp + 40] data[] |
| 1353 | ;[esp + 36] lp_quantization |
| 1354 | ;[esp + 32] order |
| 1355 | ;[esp + 28] qlp_coeff[] |
| 1356 | ;[esp + 24] data_len |
| 1357 | ;[esp + 20] residual[] |
| 1358 | |
| 1359 | ;ASSERT(order > 0) |
| 1360 | |
| 1361 | push ebp |
| 1362 | push ebx |
| 1363 | push esi |
| 1364 | push edi |
| 1365 | |
| 1366 | mov esi, [esp + 20] |
| 1367 | mov edi, [esp + 40] |
| 1368 | mov eax, [esp + 32] |
| 1369 | mov ebx, [esp + 24] |
| 1370 | |
| 1371 | test ebx, ebx |
| 1372 | jz near .end ; do nothing if data_len == 0 |
| 1373 | cmp eax, byte 4 |
| 1374 | jb near FLAC__lpc_restore_signal_asm_ia32.begin |
| 1375 | |
| 1376 | mov edx, [esp + 28] |
| 1377 | movd mm6, [esp + 36] |
| 1378 | mov ebp, esp |
| 1379 | |
| 1380 | and esp, 0xfffffff8 |
| 1381 | |
| 1382 | xor ecx, ecx |
| 1383 | .copy_qlp_loop: |
| 1384 | push word [edx + 4 * ecx] |
| 1385 | inc ecx |
| 1386 | cmp ecx, eax |
| 1387 | jnz short .copy_qlp_loop |
| 1388 | |
| 1389 | and ecx, 0x3 |
| 1390 | test ecx, ecx |
| 1391 | je short .za_end |
| 1392 | sub ecx, byte 4 |
| 1393 | .za_loop: |
| 1394 | push word 0 |
| 1395 | inc eax |
| 1396 | inc ecx |
| 1397 | jnz short .za_loop |
| 1398 | .za_end: |
| 1399 | |
| 1400 | movq mm5, [esp + 2 * eax - 8] |
| 1401 | movd mm4, [edi - 16] |
| 1402 | punpckldq mm4, [edi - 12] |
| 1403 | movd mm0, [edi - 8] |
| 1404 | punpckldq mm0, [edi - 4] |
| 1405 | packssdw mm4, mm0 |
| 1406 | |
| 1407 | cmp eax, byte 4 |
| 1408 | jnbe short .mmx_4more |
| 1409 | |
| 1410 | ALIGN 16 |
| 1411 | .mmx_4_loop_i: |
| 1412 | movq mm7, mm4 |
| 1413 | pmaddwd mm7, mm5 |
| 1414 | movq mm0, mm7 |
| 1415 | punpckhdq mm7, mm7 |
| 1416 | paddd mm7, mm0 |
| 1417 | psrad mm7, mm6 |
| 1418 | movd mm1, [esi] |
| 1419 | paddd mm7, mm1 |
| 1420 | movd [edi], mm7 |
| 1421 | psllq mm7, 48 |
| 1422 | psrlq mm4, 16 |
| 1423 | por mm4, mm7 |
| 1424 | |
| 1425 | add esi, byte 4 |
| 1426 | add edi, byte 4 |
| 1427 | |
| 1428 | dec ebx |
| 1429 | jnz .mmx_4_loop_i |
| 1430 | jmp .mmx_end |
| 1431 | .mmx_4more: |
| 1432 | shl eax, 2 |
| 1433 | neg eax |
| 1434 | add eax, byte 16 |
| 1435 | ALIGN 16 |
| 1436 | .mmx_4more_loop_i: |
| 1437 | mov ecx, edi |
| 1438 | add ecx, eax |
| 1439 | mov edx, esp |
| 1440 | |
| 1441 | movq mm7, mm4 |
| 1442 | pmaddwd mm7, mm5 |
| 1443 | |
| 1444 | ALIGN 16 |
| 1445 | .mmx_4more_loop_j: |
| 1446 | movd mm0, [ecx - 16] |
| 1447 | punpckldq mm0, [ecx - 12] |
| 1448 | movd mm1, [ecx - 8] |
| 1449 | punpckldq mm1, [ecx - 4] |
| 1450 | packssdw mm0, mm1 |
| 1451 | pmaddwd mm0, [edx] |
| 1452 | paddd mm7, mm0 |
| 1453 | |
| 1454 | add edx, byte 8 |
| 1455 | add ecx, byte 16 |
| 1456 | cmp ecx, edi |
| 1457 | jnz .mmx_4more_loop_j |
| 1458 | |
| 1459 | movq mm0, mm7 |
| 1460 | punpckhdq mm7, mm7 |
| 1461 | paddd mm7, mm0 |
| 1462 | psrad mm7, mm6 |
| 1463 | movd mm1, [esi] |
| 1464 | paddd mm7, mm1 |
| 1465 | movd [edi], mm7 |
| 1466 | psllq mm7, 48 |
| 1467 | psrlq mm4, 16 |
| 1468 | por mm4, mm7 |
| 1469 | |
| 1470 | add esi, byte 4 |
| 1471 | add edi, byte 4 |
| 1472 | |
| 1473 | dec ebx |
| 1474 | jnz short .mmx_4more_loop_i |
| 1475 | .mmx_end: |
| 1476 | emms |
| 1477 | mov esp, ebp |
| 1478 | |
| 1479 | .end: |
| 1480 | pop edi |
| 1481 | pop esi |
| 1482 | pop ebx |
| 1483 | pop ebp |
| 1484 | ret |
| 1485 | |
| 1486 | |
| 1487 | ; ********************************************************************** |
| 1488 | ; |
| 1489 | ;void FLAC__lpc_compute_residual_from_qlp_coefficients_wide(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[]) |
| 1490 | ; { |
| 1491 | ; unsigned i, j; |
| 1492 | ; FLAC__int64 sum; |
| 1493 | ; |
| 1494 | ; FLAC__ASSERT(order > 0); |
| 1495 | ; |
| 1496 | ; for(i = 0; i < data_len; i++) { |
| 1497 | ; sum = 0; |
| 1498 | ; for(j = 0; j < order; j++) |
| 1499 | ; sum += qlp_coeff[j] * (FLAC__int64)data[i-j-1]; |
| 1500 | ; residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization); |
| 1501 | ; } |
| 1502 | ; } |
| 1503 | ALIGN 16 |
| 1504 | cident FLAC__lpc_compute_residual_from_qlp_coefficients_wide_asm_ia32 |
| 1505 | ;[esp + 40] residual[] |
| 1506 | ;[esp + 36] lp_quantization |
| 1507 | ;[esp + 32] order |
| 1508 | ;[esp + 28] qlp_coeff[] |
| 1509 | ;[esp + 24] data_len |
| 1510 | ;[esp + 20] data[] |
| 1511 | |
| 1512 | ;ASSERT(order > 0) |
| 1513 | ;ASSERT(order <= 32) |
| 1514 | ;ASSERT(lp_quantization <= 31) |
| 1515 | |
| 1516 | push ebp |
| 1517 | push ebx |
| 1518 | push esi |
| 1519 | push edi |
| 1520 | |
| 1521 | mov ebx, [esp + 24] ; ebx = data_len |
| 1522 | test ebx, ebx |
| 1523 | jz near .end ; do nothing if data_len == 0 |
| 1524 | |
| 1525 | .begin: |
| 1526 | mov eax, [esp + 32] ; eax = order |
| 1527 | cmp eax, 1 |
| 1528 | jg short .i_32 |
| 1529 | |
| 1530 | mov esi, [esp + 40] ; esi = residual[] |
| 1531 | mov edi, [esp + 20] ; edi = data[] |
| 1532 | mov ecx, [esp + 28] ; ecx = qlp_coeff[] |
| 1533 | mov ebp, [ecx] ; ebp = qlp_coeff[0] |
| 1534 | mov eax, [edi - 4] ; eax = data[-1] |
| 1535 | mov ecx, [esp + 36] ; cl = lp_quantization |
| 1536 | ALIGN 16 |
| 1537 | .i_1_loop_i: |
| 1538 | imul ebp ; edx:eax = qlp_coeff[0] * (FLAC__int64)data[i-1] |
| 1539 | shrd eax, edx, cl ; 0 <= lp_quantization <= 15 |
| 1540 | neg eax |
| 1541 | add eax, [edi] |
| 1542 | mov [esi], eax |
| 1543 | mov eax, [edi] |
| 1544 | add esi, 4 |
| 1545 | add edi, 4 |
| 1546 | dec ebx |
| 1547 | jnz .i_1_loop_i |
| 1548 | jmp .end |
| 1549 | |
| 1550 | .mov_eip_to_eax: |
| 1551 | mov eax, [esp] |
| 1552 | ret |
| 1553 | |
| 1554 | .i_32: ; eax = order |
| 1555 | neg eax |
| 1556 | add eax, eax |
| 1557 | lea ebp, [eax + eax * 4 + .jumper_0 - .get_eip0] |
| 1558 | call .mov_eip_to_eax |
| 1559 | .get_eip0: |
| 1560 | add ebp, eax |
| 1561 | inc ebp ; compensate for the shorter opcode on the last iteration |
| 1562 | |
| 1563 | mov ebx, [esp + 28] ; ebx = qlp_coeff[] |
| 1564 | mov edi, [esp + 20] ; edi = data[] |
| 1565 | sub [esp + 40], edi ; residual[] -= data[] |
| 1566 | |
| 1567 | xor ecx, ecx |
| 1568 | xor esi, esi |
| 1569 | jmp ebp |
| 1570 | |
| 1571 | ;eax = -- |
| 1572 | ;edx = -- |
| 1573 | ;ecx = 0 |
| 1574 | ;esi = 0 |
| 1575 | ; |
| 1576 | ;ebx = qlp_coeff[] |
| 1577 | ;edi = data[] |
| 1578 | ;ebp = @address |
| 1579 | |
| 1580 | mov eax, [ebx + 124] ; eax = qlp_coeff[31] |
| 1581 | imul dword [edi - 128] ; edx:eax = qlp_coeff[31] * data[i-32] |
| 1582 | add ecx, eax |
| 1583 | adc esi, edx ; sum += qlp_coeff[31] * data[i-32] |
| 1584 | |
| 1585 | mov eax, [ebx + 120] ; eax = qlp_coeff[30] |
| 1586 | imul dword [edi - 124] ; edx:eax = qlp_coeff[30] * data[i-31] |
| 1587 | add ecx, eax |
| 1588 | adc esi, edx ; sum += qlp_coeff[30] * data[i-31] |
| 1589 | |
| 1590 | mov eax, [ebx + 116] |
| 1591 | imul dword [edi - 120] |
| 1592 | add ecx, eax |
| 1593 | adc esi, edx |
| 1594 | |
| 1595 | mov eax, [ebx + 112] |
| 1596 | imul dword [edi - 116] |
| 1597 | add ecx, eax |
| 1598 | adc esi, edx |
| 1599 | |
| 1600 | mov eax, [ebx + 108] |
| 1601 | imul dword [edi - 112] |
| 1602 | add ecx, eax |
| 1603 | adc esi, edx |
| 1604 | |
| 1605 | mov eax, [ebx + 104] |
| 1606 | imul dword [edi - 108] |
| 1607 | add ecx, eax |
| 1608 | adc esi, edx |
| 1609 | |
| 1610 | mov eax, [ebx + 100] |
| 1611 | imul dword [edi - 104] |
| 1612 | add ecx, eax |
| 1613 | adc esi, edx |
| 1614 | |
| 1615 | mov eax, [ebx + 96] |
| 1616 | imul dword [edi - 100] |
| 1617 | add ecx, eax |
| 1618 | adc esi, edx |
| 1619 | |
| 1620 | mov eax, [ebx + 92] |
| 1621 | imul dword [edi - 96] |
| 1622 | add ecx, eax |
| 1623 | adc esi, edx |
| 1624 | |
| 1625 | mov eax, [ebx + 88] |
| 1626 | imul dword [edi - 92] |
| 1627 | add ecx, eax |
| 1628 | adc esi, edx |
| 1629 | |
| 1630 | mov eax, [ebx + 84] |
| 1631 | imul dword [edi - 88] |
| 1632 | add ecx, eax |
| 1633 | adc esi, edx |
| 1634 | |
| 1635 | mov eax, [ebx + 80] |
| 1636 | imul dword [edi - 84] |
| 1637 | add ecx, eax |
| 1638 | adc esi, edx |
| 1639 | |
| 1640 | mov eax, [ebx + 76] |
| 1641 | imul dword [edi - 80] |
| 1642 | add ecx, eax |
| 1643 | adc esi, edx |
| 1644 | |
| 1645 | mov eax, [ebx + 72] |
| 1646 | imul dword [edi - 76] |
| 1647 | add ecx, eax |
| 1648 | adc esi, edx |
| 1649 | |
| 1650 | mov eax, [ebx + 68] |
| 1651 | imul dword [edi - 72] |
| 1652 | add ecx, eax |
| 1653 | adc esi, edx |
| 1654 | |
| 1655 | mov eax, [ebx + 64] |
| 1656 | imul dword [edi - 68] |
| 1657 | add ecx, eax |
| 1658 | adc esi, edx |
| 1659 | |
| 1660 | mov eax, [ebx + 60] |
| 1661 | imul dword [edi - 64] |
| 1662 | add ecx, eax |
| 1663 | adc esi, edx |
| 1664 | |
| 1665 | mov eax, [ebx + 56] |
| 1666 | imul dword [edi - 60] |
| 1667 | add ecx, eax |
| 1668 | adc esi, edx |
| 1669 | |
| 1670 | mov eax, [ebx + 52] |
| 1671 | imul dword [edi - 56] |
| 1672 | add ecx, eax |
| 1673 | adc esi, edx |
| 1674 | |
| 1675 | mov eax, [ebx + 48] |
| 1676 | imul dword [edi - 52] |
| 1677 | add ecx, eax |
| 1678 | adc esi, edx |
| 1679 | |
| 1680 | mov eax, [ebx + 44] |
| 1681 | imul dword [edi - 48] |
| 1682 | add ecx, eax |
| 1683 | adc esi, edx |
| 1684 | |
| 1685 | mov eax, [ebx + 40] |
| 1686 | imul dword [edi - 44] |
| 1687 | add ecx, eax |
| 1688 | adc esi, edx |
| 1689 | |
| 1690 | mov eax, [ebx + 36] |
| 1691 | imul dword [edi - 40] |
| 1692 | add ecx, eax |
| 1693 | adc esi, edx |
| 1694 | |
| 1695 | mov eax, [ebx + 32] |
| 1696 | imul dword [edi - 36] |
| 1697 | add ecx, eax |
| 1698 | adc esi, edx |
| 1699 | |
| 1700 | mov eax, [ebx + 28] |
| 1701 | imul dword [edi - 32] |
| 1702 | add ecx, eax |
| 1703 | adc esi, edx |
| 1704 | |
| 1705 | mov eax, [ebx + 24] |
| 1706 | imul dword [edi - 28] |
| 1707 | add ecx, eax |
| 1708 | adc esi, edx |
| 1709 | |
| 1710 | mov eax, [ebx + 20] |
| 1711 | imul dword [edi - 24] |
| 1712 | add ecx, eax |
| 1713 | adc esi, edx |
| 1714 | |
| 1715 | mov eax, [ebx + 16] |
| 1716 | imul dword [edi - 20] |
| 1717 | add ecx, eax |
| 1718 | adc esi, edx |
| 1719 | |
| 1720 | mov eax, [ebx + 12] |
| 1721 | imul dword [edi - 16] |
| 1722 | add ecx, eax |
| 1723 | adc esi, edx |
| 1724 | |
| 1725 | mov eax, [ebx + 8] |
| 1726 | imul dword [edi - 12] |
| 1727 | add ecx, eax |
| 1728 | adc esi, edx |
| 1729 | |
| 1730 | mov eax, [ebx + 4] |
| 1731 | imul dword [edi - 8] |
| 1732 | add ecx, eax |
| 1733 | adc esi, edx |
| 1734 | |
| 1735 | mov eax, [ebx] ; eax = qlp_coeff[ 0] (NOTE: one byte missing from instruction) |
| 1736 | imul dword [edi - 4] ; edx:eax = qlp_coeff[ 0] * data[i- 1] |
| 1737 | add ecx, eax |
| 1738 | adc esi, edx ; sum += qlp_coeff[ 0] * data[i- 1] |
| 1739 | |
| 1740 | .jumper_0: |
| 1741 | mov edx, ecx |
| 1742 | ;esi:edx = sum |
| 1743 | mov ecx, [esp + 36] ; cl = lp_quantization |
| 1744 | shrd edx, esi, cl ; edx = (sum >> lp_quantization) |
| 1745 | ;eax = -- |
| 1746 | ;ecx = -- |
| 1747 | ;edx = sum >> lp_q |
| 1748 | ;esi = -- |
| 1749 | neg edx ; edx = -(sum >> lp_quantization) |
| 1750 | mov eax, [esp + 40] ; residual[] - data[] |
| 1751 | add edx, [edi] ; edx = data[i] - (sum >> lp_quantization) |
| 1752 | mov [edi + eax], edx |
| 1753 | add edi, 4 |
| 1754 | |
| 1755 | dec dword [esp + 24] |
| 1756 | jz short .end |
| 1757 | xor ecx, ecx |
| 1758 | xor esi, esi |
| 1759 | jmp ebp |
| 1760 | |
| 1761 | .end: |
| 1762 | pop edi |
| 1763 | pop esi |
| 1764 | pop ebx |
| 1765 | pop ebp |
| 1766 | ret |
| 1767 | |
| 1768 | ; ********************************************************************** |
| 1769 | ; |
| 1770 | ; void FLAC__lpc_restore_signal_wide(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[]) |
| 1771 | ; { |
| 1772 | ; unsigned i, j; |
| 1773 | ; FLAC__int64 sum; |
| 1774 | ; |
| 1775 | ; FLAC__ASSERT(order > 0); |
| 1776 | ; |
| 1777 | ; for(i = 0; i < data_len; i++) { |
| 1778 | ; sum = 0; |
| 1779 | ; for(j = 0; j < order; j++) |
| 1780 | ; sum += qlp_coeff[j] * (FLAC__int64)data[i-j-1]; |
| 1781 | ; data[i] = residual[i] + (FLAC__int32)(sum >> lp_quantization); |
| 1782 | ; } |
| 1783 | ; } |
| 1784 | ALIGN 16 |
| 1785 | cident FLAC__lpc_restore_signal_wide_asm_ia32 |
| 1786 | ;[esp + 40] data[] |
| 1787 | ;[esp + 36] lp_quantization |
| 1788 | ;[esp + 32] order |
| 1789 | ;[esp + 28] qlp_coeff[] |
| 1790 | ;[esp + 24] data_len |
| 1791 | ;[esp + 20] residual[] |
| 1792 | |
| 1793 | ;ASSERT(order > 0) |
| 1794 | ;ASSERT(order <= 32) |
| 1795 | ;ASSERT(lp_quantization <= 31) |
| 1796 | |
| 1797 | push ebp |
| 1798 | push ebx |
| 1799 | push esi |
| 1800 | push edi |
| 1801 | |
| 1802 | mov ebx, [esp + 24] ; ebx = data_len |
| 1803 | test ebx, ebx |
| 1804 | jz near .end ; do nothing if data_len == 0 |
| 1805 | |
| 1806 | .begin: |
| 1807 | mov eax, [esp + 32] ; eax = order |
| 1808 | cmp eax, 1 |
| 1809 | jg short .x87_32 |
| 1810 | |
| 1811 | mov esi, [esp + 20] ; esi = residual[] |
| 1812 | mov edi, [esp + 40] ; edi = data[] |
| 1813 | mov ecx, [esp + 28] ; ecx = qlp_coeff[] |
| 1814 | mov ebp, [ecx] ; ebp = qlp_coeff[0] |
| 1815 | mov eax, [edi - 4] ; eax = data[-1] |
| 1816 | mov ecx, [esp + 36] ; cl = lp_quantization |
| 1817 | ALIGN 16 |
| 1818 | .x87_1_loop_i: |
| 1819 | imul ebp ; edx:eax = qlp_coeff[0] * (FLAC__int64)data[i-1] |
| 1820 | shrd eax, edx, cl ; 0 <= lp_quantization <= 15 |
| 1821 | ; |
| 1822 | add eax, [esi] |
| 1823 | mov [edi], eax |
| 1824 | ; |
| 1825 | add esi, 4 |
| 1826 | add edi, 4 |
| 1827 | dec ebx |
| 1828 | jnz .x87_1_loop_i |
| 1829 | jmp .end |
| 1830 | |
| 1831 | .mov_eip_to_eax: |
| 1832 | mov eax, [esp] |
| 1833 | ret |
| 1834 | |
| 1835 | .x87_32: ; eax = order |
| 1836 | neg eax |
| 1837 | add eax, eax |
| 1838 | lea ebp, [eax + eax * 4 + .jumper_0 - .get_eip0] |
| 1839 | call .mov_eip_to_eax |
| 1840 | .get_eip0: |
| 1841 | add ebp, eax |
| 1842 | inc ebp ; compensate for the shorter opcode on the last iteration |
| 1843 | |
| 1844 | mov ebx, [esp + 28] ; ebx = qlp_coeff[] |
| 1845 | mov edi, [esp + 40] ; esi = data[] |
| 1846 | sub [esp + 20], edi ; residual[] -= data[] |
| 1847 | |
| 1848 | xor ecx, ecx |
| 1849 | xor esi, esi |
| 1850 | jmp ebp |
| 1851 | |
| 1852 | ;eax = -- |
| 1853 | ;edx = -- |
| 1854 | ;ecx = 0 |
| 1855 | ;esi = 0 |
| 1856 | ; |
| 1857 | ;ebx = qlp_coeff[] |
| 1858 | ;edi = data[] |
| 1859 | ;ebp = @address |
| 1860 | |
| 1861 | mov eax, [ebx + 124] ; eax = qlp_coeff[31] |
| 1862 | imul dword [edi - 128] ; edx:eax = qlp_coeff[31] * data[i-32] |
| 1863 | add ecx, eax |
| 1864 | adc esi, edx ; sum += qlp_coeff[31] * data[i-32] |
| 1865 | |
| 1866 | mov eax, [ebx + 120] ; eax = qlp_coeff[30] |
| 1867 | imul dword [edi - 124] ; edx:eax = qlp_coeff[30] * data[i-31] |
| 1868 | add ecx, eax |
| 1869 | adc esi, edx ; sum += qlp_coeff[30] * data[i-31] |
| 1870 | |
| 1871 | mov eax, [ebx + 116] |
| 1872 | imul dword [edi - 120] |
| 1873 | add ecx, eax |
| 1874 | adc esi, edx |
| 1875 | |
| 1876 | mov eax, [ebx + 112] |
| 1877 | imul dword [edi - 116] |
| 1878 | add ecx, eax |
| 1879 | adc esi, edx |
| 1880 | |
| 1881 | mov eax, [ebx + 108] |
| 1882 | imul dword [edi - 112] |
| 1883 | add ecx, eax |
| 1884 | adc esi, edx |
| 1885 | |
| 1886 | mov eax, [ebx + 104] |
| 1887 | imul dword [edi - 108] |
| 1888 | add ecx, eax |
| 1889 | adc esi, edx |
| 1890 | |
| 1891 | mov eax, [ebx + 100] |
| 1892 | imul dword [edi - 104] |
| 1893 | add ecx, eax |
| 1894 | adc esi, edx |
| 1895 | |
| 1896 | mov eax, [ebx + 96] |
| 1897 | imul dword [edi - 100] |
| 1898 | add ecx, eax |
| 1899 | adc esi, edx |
| 1900 | |
| 1901 | mov eax, [ebx + 92] |
| 1902 | imul dword [edi - 96] |
| 1903 | add ecx, eax |
| 1904 | adc esi, edx |
| 1905 | |
| 1906 | mov eax, [ebx + 88] |
| 1907 | imul dword [edi - 92] |
| 1908 | add ecx, eax |
| 1909 | adc esi, edx |
| 1910 | |
| 1911 | mov eax, [ebx + 84] |
| 1912 | imul dword [edi - 88] |
| 1913 | add ecx, eax |
| 1914 | adc esi, edx |
| 1915 | |
| 1916 | mov eax, [ebx + 80] |
| 1917 | imul dword [edi - 84] |
| 1918 | add ecx, eax |
| 1919 | adc esi, edx |
| 1920 | |
| 1921 | mov eax, [ebx + 76] |
| 1922 | imul dword [edi - 80] |
| 1923 | add ecx, eax |
| 1924 | adc esi, edx |
| 1925 | |
| 1926 | mov eax, [ebx + 72] |
| 1927 | imul dword [edi - 76] |
| 1928 | add ecx, eax |
| 1929 | adc esi, edx |
| 1930 | |
| 1931 | mov eax, [ebx + 68] |
| 1932 | imul dword [edi - 72] |
| 1933 | add ecx, eax |
| 1934 | adc esi, edx |
| 1935 | |
| 1936 | mov eax, [ebx + 64] |
| 1937 | imul dword [edi - 68] |
| 1938 | add ecx, eax |
| 1939 | adc esi, edx |
| 1940 | |
| 1941 | mov eax, [ebx + 60] |
| 1942 | imul dword [edi - 64] |
| 1943 | add ecx, eax |
| 1944 | adc esi, edx |
| 1945 | |
| 1946 | mov eax, [ebx + 56] |
| 1947 | imul dword [edi - 60] |
| 1948 | add ecx, eax |
| 1949 | adc esi, edx |
| 1950 | |
| 1951 | mov eax, [ebx + 52] |
| 1952 | imul dword [edi - 56] |
| 1953 | add ecx, eax |
| 1954 | adc esi, edx |
| 1955 | |
| 1956 | mov eax, [ebx + 48] |
| 1957 | imul dword [edi - 52] |
| 1958 | add ecx, eax |
| 1959 | adc esi, edx |
| 1960 | |
| 1961 | mov eax, [ebx + 44] |
| 1962 | imul dword [edi - 48] |
| 1963 | add ecx, eax |
| 1964 | adc esi, edx |
| 1965 | |
| 1966 | mov eax, [ebx + 40] |
| 1967 | imul dword [edi - 44] |
| 1968 | add ecx, eax |
| 1969 | adc esi, edx |
| 1970 | |
| 1971 | mov eax, [ebx + 36] |
| 1972 | imul dword [edi - 40] |
| 1973 | add ecx, eax |
| 1974 | adc esi, edx |
| 1975 | |
| 1976 | mov eax, [ebx + 32] |
| 1977 | imul dword [edi - 36] |
| 1978 | add ecx, eax |
| 1979 | adc esi, edx |
| 1980 | |
| 1981 | mov eax, [ebx + 28] |
| 1982 | imul dword [edi - 32] |
| 1983 | add ecx, eax |
| 1984 | adc esi, edx |
| 1985 | |
| 1986 | mov eax, [ebx + 24] |
| 1987 | imul dword [edi - 28] |
| 1988 | add ecx, eax |
| 1989 | adc esi, edx |
| 1990 | |
| 1991 | mov eax, [ebx + 20] |
| 1992 | imul dword [edi - 24] |
| 1993 | add ecx, eax |
| 1994 | adc esi, edx |
| 1995 | |
| 1996 | mov eax, [ebx + 16] |
| 1997 | imul dword [edi - 20] |
| 1998 | add ecx, eax |
| 1999 | adc esi, edx |
| 2000 | |
| 2001 | mov eax, [ebx + 12] |
| 2002 | imul dword [edi - 16] |
| 2003 | add ecx, eax |
| 2004 | adc esi, edx |
| 2005 | |
| 2006 | mov eax, [ebx + 8] |
| 2007 | imul dword [edi - 12] |
| 2008 | add ecx, eax |
| 2009 | adc esi, edx |
| 2010 | |
| 2011 | mov eax, [ebx + 4] |
| 2012 | imul dword [edi - 8] |
| 2013 | add ecx, eax |
| 2014 | adc esi, edx |
| 2015 | |
| 2016 | mov eax, [ebx] ; eax = qlp_coeff[ 0] (NOTE: one byte missing from instruction) |
| 2017 | imul dword [edi - 4] ; edx:eax = qlp_coeff[ 0] * data[i- 1] |
| 2018 | add ecx, eax |
| 2019 | adc esi, edx ; sum += qlp_coeff[ 0] * data[i- 1] |
| 2020 | |
| 2021 | .jumper_0: |
| 2022 | mov edx, ecx |
| 2023 | ;esi:edx = sum |
| 2024 | mov ecx, [esp + 36] ; cl = lp_quantization |
| 2025 | shrd edx, esi, cl ; edx = (sum >> lp_quantization) |
| 2026 | ;eax = -- |
| 2027 | ;ecx = -- |
| 2028 | ;edx = sum >> lp_q |
| 2029 | ;esi = -- |
| 2030 | ; |
| 2031 | mov eax, [esp + 20] ; residual[] - data[] |
| 2032 | add edx, [edi + eax] ; edx = residual[i] + (sum >> lp_quantization) |
| 2033 | mov [edi], edx ; data[i] = residual[i] + (sum >> lp_quantization) |
| 2034 | add edi, 4 |
| 2035 | |
| 2036 | dec dword [esp + 24] |
| 2037 | jz short .end |
| 2038 | xor ecx, ecx |
| 2039 | xor esi, esi |
| 2040 | jmp ebp |
| 2041 | |
| 2042 | .end: |
| 2043 | pop edi |
| 2044 | pop esi |
| 2045 | pop ebx |
| 2046 | pop ebp |
| 2047 | ret |
| 2048 | |
| 2049 | ; end |
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