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| 1 : | edgomez | 1382 | ;/**************************************************************************** |
| 2 : | Isibaar | 3 | ; * |
| 3 : | edgomez | 1382 | ; * XVID MPEG-4 VIDEO CODEC |
| 4 : | ; * - MMX CBP computation - | ||
| 5 : | Isibaar | 3 | ; * |
| 6 : | Skal | 1629 | ; * Copyright (C) 2005 Carlo Bramini <carlo.bramix@libero.it> |
| 7 : | ; * 2001-2003 Peter Ross <pross@xvid.org> | ||
| 8 : | edgomez | 1382 | ; * 2002-2003 Pascal Massimino <skal@planet-d.net> |
| 9 : | Isibaar | 3 | ; * |
| 10 : | edgomez | 1382 | ; * This program is free software ; you can redistribute it and/or modify |
| 11 : | ; * it under the terms of the GNU General Public License as published by | ||
| 12 : | ; * the Free Software Foundation ; either version 2 of the License, or | ||
| 13 : | ; * (at your option) any later version. | ||
| 14 : | Isibaar | 3 | ; * |
| 15 : | edgomez | 1382 | ; * This program is distributed in the hope that it will be useful, |
| 16 : | ; * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
| 17 : | ; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 18 : | ; * GNU General Public License for more details. | ||
| 19 : | Isibaar | 3 | ; * |
| 20 : | edgomez | 1382 | ; * You should have received a copy of the GNU General Public License |
| 21 : | ; * along with this program ; if not, write to the Free Software | ||
| 22 : | ; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 23 : | Isibaar | 3 | ; * |
| 24 : | Isibaar | 1793 | ; * $Id: cbp_mmx.asm,v 1.16 2008-11-11 20:46:24 Isibaar Exp $ |
| 25 : | Isibaar | 3 | ; * |
| 26 : | edgomez | 1382 | ; ***************************************************************************/ |
| 27 : | Isibaar | 3 | |
| 28 : | edgomez | 1382 | BITS 32 |
| 29 : | edgomez | 851 | |
| 30 : | edgomez | 1382 | ;============================================================================= |
| 31 : | ; Macros | ||
| 32 : | ;============================================================================= | ||
| 33 : | Isibaar | 3 | |
| 34 : | %macro cglobal 1 | ||
| 35 : | Isibaar | 262 | %ifdef PREFIX |
| 36 : | edgomez | 1535 | %ifdef MARK_FUNCS |
| 37 : | edgomez | 1540 | global _%1:function %1.endfunc-%1 |
| 38 : | %define %1 _%1:function %1.endfunc-%1 | ||
| 39 : | Isibaar | 1793 | %define ENDFUNC .endfunc |
| 40 : | edgomez | 1535 | %else |
| 41 : | global _%1 | ||
| 42 : | %define %1 _%1 | ||
| 43 : | Isibaar | 1793 | %define ENDFUNC |
| 44 : | edgomez | 1535 | %endif |
| 45 : | Isibaar | 262 | %else |
| 46 : | edgomez | 1535 | %ifdef MARK_FUNCS |
| 47 : | edgomez | 1540 | global %1:function %1.endfunc-%1 |
| 48 : | Isibaar | 1793 | %define ENDFUNC .endfunc |
| 49 : | edgomez | 1535 | %else |
| 50 : | global %1 | ||
| 51 : | Isibaar | 1793 | %define ENDFUNC |
| 52 : | edgomez | 1535 | %endif |
| 53 : | Isibaar | 262 | %endif |
| 54 : | Isibaar | 3 | %endmacro |
| 55 : | |||
| 56 : | edgomez | 1382 | ;============================================================================= |
| 57 : | ; Local data | ||
| 58 : | ;============================================================================= | ||
| 59 : | Isibaar | 3 | |
| 60 : | edgomez | 1382 | %ifdef FORMAT_COFF |
| 61 : | edgomez | 1519 | SECTION .rodata |
| 62 : | edgomez | 1382 | %else |
| 63 : | edgomez | 1519 | SECTION .rodata align=16 |
| 64 : | edgomez | 1382 | %endif |
| 65 : | Isibaar | 3 | |
| 66 : | edgomez | 1382 | ALIGN 16 |
| 67 : | Isibaar | 3 | |
| 68 : | Skal | 1629 | mult_mask: |
| 69 : | db 0x10,0x20,0x04,0x08,0x01,0x02,0x00,0x00 | ||
| 70 : | edgomez | 1382 | ignore_dc: |
| 71 : | Skal | 1629 | dw 0, -1, -1, -1 |
| 72 : | edgomez | 1382 | |
| 73 : | ;============================================================================= | ||
| 74 : | ; Code | ||
| 75 : | ;============================================================================= | ||
| 76 : | |||
| 77 : | SECTION .text | ||
| 78 : | |||
| 79 : | Isibaar | 262 | cglobal calc_cbp_mmx |
| 80 : | Isibaar | 3 | |
| 81 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
| 82 : | Isibaar | 3 | ; uint32_t calc_cbp_mmx(const int16_t coeff[6][64]); |
| 83 : | edgomez | 1382 | ;----------------------------------------------------------------------------- |
| 84 : | Isibaar | 3 | |
| 85 : | Skal | 1629 | %macro MAKE_LOAD 1 |
| 86 : | por mm0, [eax-128*1+%1*8] | ||
| 87 : | por mm1, [eax+128*0+%1*8] | ||
| 88 : | por mm2, [eax+128*1+%1*8] | ||
| 89 : | por mm3, [eax+128*2+%1*8] | ||
| 90 : | por mm4, [eax+128*3+%1*8] | ||
| 91 : | por mm5, [eax+128*4+%1*8] | ||
| 92 : | %endmacro | ||
| 93 : | |||
| 94 : | edgomez | 1382 | ALIGN 16 |
| 95 : | Isibaar | 262 | calc_cbp_mmx: |
| 96 : | Skal | 1629 | mov eax, [esp + 4] ; coeff |
| 97 : | Isibaar | 3 | |
| 98 : | edgomez | 1382 | movq mm7, [ignore_dc] |
| 99 : | Skal | 1629 | pxor mm6, mm6 ; used only for comparing |
| 100 : | movq mm0, [eax+128*0] | ||
| 101 : | movq mm1, [eax+128*1] | ||
| 102 : | movq mm2, [eax+128*2] | ||
| 103 : | movq mm3, [eax+128*3] | ||
| 104 : | movq mm4, [eax+128*4] | ||
| 105 : | movq mm5, [eax+128*5] | ||
| 106 : | add eax, 8+128 | ||
| 107 : | edgomez | 1382 | pand mm0, mm7 |
| 108 : | Skal | 1629 | pand mm1, mm7 |
| 109 : | pand mm2, mm7 | ||
| 110 : | pand mm3, mm7 | ||
| 111 : | pand mm4, mm7 | ||
| 112 : | pand mm5, mm7 | ||
| 113 : | Isibaar | 3 | |
| 114 : | Skal | 1629 | MAKE_LOAD 0 |
| 115 : | MAKE_LOAD 1 | ||
| 116 : | MAKE_LOAD 2 | ||
| 117 : | MAKE_LOAD 3 | ||
| 118 : | MAKE_LOAD 4 | ||
| 119 : | MAKE_LOAD 5 | ||
| 120 : | MAKE_LOAD 6 | ||
| 121 : | MAKE_LOAD 7 | ||
| 122 : | MAKE_LOAD 8 | ||
| 123 : | MAKE_LOAD 9 | ||
| 124 : | MAKE_LOAD 10 | ||
| 125 : | MAKE_LOAD 11 | ||
| 126 : | MAKE_LOAD 12 | ||
| 127 : | MAKE_LOAD 13 | ||
| 128 : | MAKE_LOAD 14 | ||
| 129 : | Isibaar | 3 | |
| 130 : | Skal | 1629 | movq mm7, [mult_mask] |
| 131 : | packssdw mm0, mm1 | ||
| 132 : | packssdw mm2, mm3 | ||
| 133 : | packssdw mm4, mm5 | ||
| 134 : | packssdw mm0, mm2 | ||
| 135 : | packssdw mm4, mm6 | ||
| 136 : | suxen_drol | 1642 | pcmpeqw mm0, mm6 |
| 137 : | pcmpeqw mm4, mm6 | ||
| 138 : | pcmpeqw mm0, mm6 | ||
| 139 : | pcmpeqw mm4, mm6 | ||
| 140 : | Skal | 1629 | psrlw mm0, 15 |
| 141 : | psrlw mm4, 15 | ||
| 142 : | packuswb mm0, mm4 | ||
| 143 : | pmaddwd mm0, mm7 | ||
| 144 : | Isibaar | 3 | |
| 145 : | edgomez | 1382 | movq mm1, mm0 |
| 146 : | psrlq mm1, 32 | ||
| 147 : | Skal | 1629 | paddusb mm0, mm1 |
| 148 : | Isibaar | 3 | |
| 149 : | Skal | 1629 | movd eax, mm0 |
| 150 : | shr eax, 8 | ||
| 151 : | and eax, 0x3F | ||
| 152 : | edgomez | 1382 | ret |
| 153 : | Isibaar | 1793 | ENDFUNC |
| 154 : | edgomez | 1540 | |
| 155 : | Isibaar | 1790 | |
| 156 : | %ifidn __OUTPUT_FORMAT__,elf | ||
| 157 : | section ".note.GNU-stack" noalloc noexec nowrite progbits | ||
| 158 : | %endif | ||
| 159 : |
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