diff options
Diffstat (limited to 'ffmpeg1/libavcodec/x86/vorbisdsp.asm')
| -rw-r--r-- | ffmpeg1/libavcodec/x86/vorbisdsp.asm | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/ffmpeg1/libavcodec/x86/vorbisdsp.asm b/ffmpeg1/libavcodec/x86/vorbisdsp.asm deleted file mode 100644 index b25d838..0000000 --- a/ffmpeg1/libavcodec/x86/vorbisdsp.asm +++ /dev/null @@ -1,83 +0,0 @@ -;****************************************************************************** -;* Vorbis x86 optimizations -;* Copyright (C) 2006 Loren Merritt <lorenm@u.washington.edu> -;* -;* This file is part of FFmpeg. -;* -;* FFmpeg is free software; you can redistribute it and/or -;* modify it under the terms of the GNU Lesser General Public -;* License as published by the Free Software Foundation; either -;* version 2.1 of the License, or (at your option) any later version. -;* -;* FFmpeg is distributed in the hope that it will be useful, -;* but WITHOUT ANY WARRANTY; without even the implied warranty of -;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -;* Lesser General Public License for more details. -;* -;* You should have received a copy of the GNU Lesser General Public -;* License along with FFmpeg; if not, write to the Free Software -;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA -;****************************************************************************** - -%include "libavutil/x86/x86util.asm" - -SECTION_RODATA - -pdw_80000000: times 4 dd 0x80000000 - -SECTION .text - -%if ARCH_X86_32 -INIT_MMX 3dnow -cglobal vorbis_inverse_coupling, 3, 3, 6, mag, ang, block_size - pxor m7, m7 - lea magq, [magq+block_sizeq*4] - lea angq, [angq+block_sizeq*4] - neg block_sizeq -.loop: - mova m0, [magq+block_sizeq*4] - mova m1, [angq+block_sizeq*4] - mova m2, m0 - mova m3, m1 - pfcmpge m2, m7 ; m <= 0.0 - pfcmpge m3, m7 ; a <= 0.0 - pslld m2, 31 ; keep only the sign bit - pxor m1, m2 - mova m4, m3 - pand m3, m1 - pandn m4, m1 - pfadd m3, m0 ; a = m + ((a < 0) & (a ^ sign(m))) - pfsub m0, m4 ; m = m + ((a > 0) & (a ^ sign(m))) - mova [angq+block_sizeq*4], m3 - mova [magq+block_sizeq*4], m0 - add block_sizeq, 2 - jl .loop - femms - RET -%endif - -INIT_XMM sse -cglobal vorbis_inverse_coupling, 3, 4, 6, mag, ang, block_size, cntr - mova m5, [pdw_80000000] - xor cntrq, cntrq -align 16 -.loop: - mova m0, [magq+cntrq*4] - mova m1, [angq+cntrq*4] - xorps m2, m2 - xorps m3, m3 - cmpleps m2, m0 ; m <= 0.0 - cmpleps m3, m1 ; a <= 0.0 - andps m2, m5 ; keep only the sign bit - xorps m1, m2 - mova m4, m3 - andps m3, m1 - andnps m4, m1 - addps m3, m0 ; a = m + ((a < 0) & (a ^ sign(m))) - subps m0, m4 ; m = m + ((a > 0) & (a ^ sign(m))) - mova [angq+cntrq*4], m3 - mova [magq+cntrq*4], m0 - add cntrq, 4 - cmp cntrq, block_sizeq - jl .loop - RET |