mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-10-05 20:43:26 +00:00
5cc6d5244d
The current SSE version is slower than the MMX version on Athlon64 and Sandy Bridge, but the SSE4 and AVX versions are faster on Sandy Bridge.
107 lines
2.9 KiB
NASM
107 lines
2.9 KiB
NASM
;******************************************************************************
|
|
;* x86 optimized Format Conversion Utils
|
|
;* Copyright (c) 2008 Loren Merritt
|
|
;*
|
|
;* This file is part of Libav.
|
|
;*
|
|
;* Libav 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.
|
|
;*
|
|
;* Libav 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 Libav; if not, write to the Free Software
|
|
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
;******************************************************************************
|
|
|
|
%include "x86inc.asm"
|
|
%include "x86util.asm"
|
|
|
|
SECTION_TEXT
|
|
|
|
;-----------------------------------------------------------------------------
|
|
; void ff_conv_fltp_to_flt_6ch(float *dst, float *const *src, int len,
|
|
; int channels);
|
|
;-----------------------------------------------------------------------------
|
|
|
|
%macro CONV_FLTP_TO_FLT_6CH 0
|
|
cglobal conv_fltp_to_flt_6ch, 2,8,7, dst, src, src1, src2, src3, src4, src5, len
|
|
%if ARCH_X86_64
|
|
mov lend, r2d
|
|
%else
|
|
%define lend dword r2m
|
|
%endif
|
|
mov src1q, [srcq+1*gprsize]
|
|
mov src2q, [srcq+2*gprsize]
|
|
mov src3q, [srcq+3*gprsize]
|
|
mov src4q, [srcq+4*gprsize]
|
|
mov src5q, [srcq+5*gprsize]
|
|
mov srcq, [srcq]
|
|
sub src1q, srcq
|
|
sub src2q, srcq
|
|
sub src3q, srcq
|
|
sub src4q, srcq
|
|
sub src5q, srcq
|
|
.loop:
|
|
mova m0, [srcq ]
|
|
mova m1, [srcq+src1q]
|
|
mova m2, [srcq+src2q]
|
|
mova m3, [srcq+src3q]
|
|
mova m4, [srcq+src4q]
|
|
mova m5, [srcq+src5q]
|
|
%if cpuflag(sse4)
|
|
SBUTTERFLYPS 0, 1, 6
|
|
SBUTTERFLYPS 2, 3, 6
|
|
SBUTTERFLYPS 4, 5, 6
|
|
|
|
blendps m6, m4, m0, 1100b
|
|
movlhps m0, m2
|
|
movhlps m4, m2
|
|
blendps m2, m5, m1, 1100b
|
|
movlhps m1, m3
|
|
movhlps m5, m3
|
|
|
|
movaps [dstq ], m0
|
|
movaps [dstq+16], m6
|
|
movaps [dstq+32], m4
|
|
movaps [dstq+48], m1
|
|
movaps [dstq+64], m2
|
|
movaps [dstq+80], m5
|
|
%else ; mmx
|
|
SBUTTERFLY dq, 0, 1, 6
|
|
SBUTTERFLY dq, 2, 3, 6
|
|
SBUTTERFLY dq, 4, 5, 6
|
|
|
|
movq [dstq ], m0
|
|
movq [dstq+ 8], m2
|
|
movq [dstq+16], m4
|
|
movq [dstq+24], m1
|
|
movq [dstq+32], m3
|
|
movq [dstq+40], m5
|
|
%endif
|
|
add srcq, mmsize
|
|
add dstq, mmsize*6
|
|
sub lend, mmsize/4
|
|
jg .loop
|
|
%if mmsize == 8
|
|
emms
|
|
RET
|
|
%else
|
|
REP_RET
|
|
%endif
|
|
%endmacro
|
|
|
|
INIT_MMX mmx
|
|
CONV_FLTP_TO_FLT_6CH
|
|
INIT_XMM sse4
|
|
CONV_FLTP_TO_FLT_6CH
|
|
%if HAVE_AVX
|
|
INIT_XMM avx
|
|
CONV_FLTP_TO_FLT_6CH
|
|
%endif
|