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3f87f39cb8
Use the new x86inc features to support 64-bit Windows on all non-x264 nasm assembly code as well. Patch by John Adcock, dscaler.johnad AT googlemail DOT com. Win64 changes originally by Anton Mitrofanov. x86util changes mostly by Holger Lubitz. Originally committed as revision 19580 to svn://svn.ffmpeg.org/ffmpeg/trunk
55 lines
1.8 KiB
NASM
55 lines
1.8 KiB
NASM
;*****************************************************************************
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;* SSE2-optimized H.264 iDCT
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;*****************************************************************************
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;* Copyright (C) 2003-2008 x264 project
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;*
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;* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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;* Loren Merritt <lorenm@u.washington.edu>
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;* Holger Lubitz <hal@duncan.ol.sub.de>
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;* Min Chen <chenm001.163.com>
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;*
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;* 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
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;* the Free Software Foundation; either version 2 of the License, or
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;* (at your option) any later version.
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;*
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;* This program is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;* GNU General Public License for more details.
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;*
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;* 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
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
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;*****************************************************************************
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%include "x86inc.asm"
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%include "x86util.asm"
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SECTION_RODATA
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pw_32: times 8 dw 32
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SECTION .text
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INIT_XMM
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cglobal x264_add8x4_idct_sse2, 3,3,8
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movq m0, [r1+ 0]
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movq m1, [r1+ 8]
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movq m2, [r1+16]
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movq m3, [r1+24]
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movhps m0, [r1+32]
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movhps m1, [r1+40]
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movhps m2, [r1+48]
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movhps m3, [r1+56]
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IDCT4_1D 0,1,2,3,4,5
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TRANSPOSE2x4x4W 0,1,2,3,4
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paddw m0, [pw_32 GLOBAL]
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IDCT4_1D 0,1,2,3,4,5
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pxor m7, m7
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STORE_DIFF m0, m4, m7, [r0]
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STORE_DIFF m1, m4, m7, [r0+r2]
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lea r0, [r0+r2*2]
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STORE_DIFF m2, m4, m7, [r0]
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STORE_DIFF m3, m4, m7, [r0+r2]
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RET
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