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;/************************************************************************** |
;/**************************************************************************** |
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; * |
; * |
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; * XVID MPEG-4 VIDEO CODEC |
; * XVID MPEG-4 VIDEO CODEC |
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; * mmx cbp calc |
; * - MMX CBP computation - |
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; * |
; * |
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; * This program is an implementation of a part of one or more MPEG-4 |
; * Copyright (C) 2001-2003 Peter Ross <pross@xvid.org> |
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; * Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
; * 2002-2003 Pascal Massimino <skal@planet-d.net> |
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; * to use this software module in hardware or software products are |
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; * advised that its use may infringe existing patents or copyrights, and |
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; * any such use would be at such party's own risk. The original |
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; * developer of this software module and his/her company, and subsequent |
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; * editors and their companies, will have no liability for use of this |
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; * software or modifications or derivatives thereof. |
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; * |
; * |
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; * This program is free software; you can redistribute it and/or modify |
; * This program is free software; you can redistribute it and/or modify |
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; * it under the terms of the GNU General Public License as published by |
; * it under the terms of the GNU General Public License as published by |
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; * |
; * |
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; * You should have received a copy of the GNU General Public License |
; * You should have received a copy of the GNU General Public License |
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; * along with this program; if not, write to the Free Software |
; * along with this program; if not, write to the Free Software |
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; * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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; * |
; * |
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; *************************************************************************/ |
; * $Id: cbp_mmx.asm,v 1.9 2004-03-22 22:36:23 edgomez Exp $ |
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;/************************************************************************** |
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; * |
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; * History: |
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; * |
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; * 17.04.2002 sse2 stuff |
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; * 22.03.2002 0.01 ; Min Chen <chenm001@163.com> |
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; * ; use 386 cpu's 'BTS' to replace 'cbp |= 1 << (edx-1)' |
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; * 24.11.2001 inital version; (c)2001 peter ross <pross@cs.rmit.edu.au> |
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; * |
; * |
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; *************************************************************************/ |
; ***************************************************************************/ |
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BITS 32 |
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bits 32 |
;============================================================================= |
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; Macros |
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section .data |
;============================================================================= |
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%macro cglobal 1 |
%macro cglobal 1 |
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%ifdef PREFIX |
%ifdef PREFIX |
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%endif |
%endif |
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%endmacro |
%endmacro |
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align 16 |
;============================================================================= |
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; Local data |
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;============================================================================= |
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ignore_dc dw 0, -1, -1, -1, -1, -1, -1, -1 |
%ifdef FORMAT_COFF |
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SECTION .rodata data |
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%else |
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SECTION .rodata data align=16 |
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%endif |
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ALIGN 16 |
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section .text |
ignore_dc: |
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dw 0, -1, -1, -1, -1, -1, -1, -1 |
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;============================================================================= |
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; Code |
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;============================================================================= |
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;=========================================================================== |
SECTION .text |
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; |
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; uint32_t calc_cbp_mmx(const int16_t coeff[6][64]); |
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; |
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;=========================================================================== |
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align 16 |
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cglobal calc_cbp_mmx |
cglobal calc_cbp_mmx |
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calc_cbp_mmx |
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;----------------------------------------------------------------------------- |
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; uint32_t calc_cbp_mmx(const int16_t coeff[6][64]); |
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;----------------------------------------------------------------------------- |
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ALIGN 16 |
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calc_cbp_mmx: |
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push ebx |
push ebx |
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push ecx |
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push edx |
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push esi |
push esi |
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mov esi, [esp + 16 + 4] ; coeff |
mov esi, [esp + 8 + 4] ; coeff |
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xor eax, eax ; cbp = 0 |
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mov edx, (1 << 5) |
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movq mm7, [ignore_dc] |
movq mm7, [ignore_dc] |
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xor eax, eax ; cbp = 0 |
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mov edx, 6 |
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.loop |
.loop |
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movq mm0, [esi] |
movq mm0, [esi] |
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pand mm0, mm7 |
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movq mm1, [esi+8] |
movq mm1, [esi+8] |
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pand mm0, mm7 |
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por mm0, [esi+16] |
por mm0, [esi+16] |
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por mm1, [esi+24] |
por mm1, [esi+24] |
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por mm0, mm1 |
por mm0, mm1 |
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movq mm1, mm0 |
movq mm1, mm0 |
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psrlq mm1, 32 |
psrlq mm1, 32 |
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lea esi, [esi + 128] |
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por mm0, mm1 |
por mm0, mm1 |
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movd ebx, mm0 |
movd ebx, mm0 |
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add esi, 128 |
test ebx, ebx |
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jz .next |
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or ebx, ebx |
or eax, edx ; cbp |= 1 << (5-i) |
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jz .iterate |
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.next |
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; cbp |= 1 << (edx-1) |
shr edx,1 |
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jnc .loop |
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; Change by Chenm001 <chenm001@163.com> |
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;mov ecx, edx |
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;dec ecx |
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;mov ebx, 1 |
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;shl ebx, cl |
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;or eax, ebx |
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lea ebx,[edx-1] |
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bts eax,ebx |
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.iterate dec edx |
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jnz .loop |
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121 |
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pop esi |
pop esi |
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pop edx |
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pop ecx |
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pop ebx |
pop ebx |
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ret |
ret |
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;=========================================================================== |
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; |
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; uint32_t calc_cbp_sse2(const int16_t coeff[6][64]); |
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; |
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; not enabled - slower than mmx? |
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; |
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;=========================================================================== |
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align 16 |
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cglobal calc_cbp_sse2 |
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calc_cbp_sse2 |
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push esi |
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mov esi, [esp + 4 + 4] ; coeff |
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movdqa xmm7, [ignore_dc] ; mask to ignore dc value |
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xor eax, eax ; cbp = 0 |
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pxor xmm6, xmm6 ; zeroes to help psadbw |
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.first movdqa xmm0, [esi] |
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pand xmm0, xmm7 |
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movdqa xmm1, [esi+16] |
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por xmm0, [esi+32] |
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por xmm1, [esi+48] |
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por xmm0, [esi+64] |
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por xmm1, [esi+80] |
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por xmm0, [esi+96] |
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por xmm1, [esi+112] |
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por xmm0, xmm1 ; xmm0 = xmm1 = 128 bits worth of info |
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psadbw xmm0, xmm6 ; contains 2 dwords with sums |
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movhlps xmm1, xmm0 ; move high dword from xmm0 to low xmm1 |
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por xmm0, xmm1 ; combine |
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movd ecx, xmm0 ; if ecx set, values were found |
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add esi, 128 |
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or ecx, ecx |
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jz .second |
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bts eax, 5 |
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.second movdqa xmm0, [esi] |
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pand xmm0, xmm7 |
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movdqa xmm1, [esi+16] |
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por xmm0, [esi+32] |
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por xmm1, [esi+48] |
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por xmm0, [esi+64] |
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por xmm1, [esi+80] |
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por xmm0, [esi+96] |
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por xmm1, [esi+112] |
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por xmm0, xmm1 |
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psadbw xmm0, xmm6 |
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movhlps xmm1, xmm0 |
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por xmm0, xmm1 |
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movd ecx, xmm0 |
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add esi, 128 |
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or ecx, ecx |
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jz .third |
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bts eax, 4 |
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.third movdqa xmm0, [esi] |
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pand xmm0, xmm7 |
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movdqa xmm1, [esi+16] |
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por xmm0, [esi+32] |
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por xmm1, [esi+48] |
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por xmm0, [esi+64] |
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por xmm1, [esi+80] |
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por xmm0, [esi+96] |
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por xmm1, [esi+112] |
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por xmm0, xmm1 |
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psadbw xmm0, xmm6 |
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movhlps xmm1, xmm0 |
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por xmm0, xmm1 |
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movd ecx, xmm0 |
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add esi, 128 |
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or ecx, ecx |
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jz .fourth |
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bts eax, 3 |
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.fourth movdqa xmm0, [esi] |
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pand xmm0, xmm7 |
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movdqa xmm1, [esi+16] |
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por xmm0, [esi+32] |
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por xmm1, [esi+48] |
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por xmm0, [esi+64] |
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por xmm1, [esi+80] |
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por xmm0, [esi+96] |
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por xmm1, [esi+112] |
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por xmm0, xmm1 |
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psadbw xmm0, xmm6 |
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movhlps xmm1, xmm0 |
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por xmm0, xmm1 |
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movd ecx, xmm0 |
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add esi, 128 |
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or ecx, ecx |
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jz .fifth |
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bts eax, 2 |
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.fifth movdqa xmm0, [esi] |
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pand xmm0, xmm7 |
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movdqa xmm1, [esi+16] |
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por xmm0, [esi+32] |
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por xmm1, [esi+48] |
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por xmm0, [esi+64] |
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por xmm1, [esi+80] |
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por xmm0, [esi+96] |
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por xmm1, [esi+112] |
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por xmm0, xmm1 |
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psadbw xmm0, xmm6 |
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movhlps xmm1, xmm0 |
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por xmm0, xmm1 |
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movd ecx, xmm0 |
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add esi, 128 |
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or ecx, ecx |
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jz .sixth |
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bts eax, 1 |
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.sixth movdqa xmm0, [esi] |
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pand xmm0, xmm7 |
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movdqa xmm1, [esi+16] |
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por xmm0, [esi+32] |
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por xmm1, [esi+48] |
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por xmm0, [esi+64] |
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por xmm1, [esi+80] |
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por xmm0, [esi+96] |
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por xmm1, [esi+112] |
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por xmm0, xmm1 |
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psadbw xmm0, xmm6 |
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movhlps xmm1, xmm0 |
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por xmm0, xmm1 |
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movd ecx, xmm0 |
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or ecx, ecx |
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jz .end |
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bts eax, 0 |
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.end pop esi |
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ret |
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