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104 lines
2.9 KiB
104 lines
2.9 KiB
;****************************************************************************** |
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;* x86 optimized Format Conversion Utils |
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;* Copyright (c) 2008 Loren Merritt |
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;* |
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;* This file is part of Libav. |
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;* |
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;* Libav is free software; you can redistribute it and/or |
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;* modify it under the terms of the GNU Lesser General Public |
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;* License as published by the Free Software Foundation; either |
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;* version 2.1 of the License, or (at your option) any later version. |
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;* |
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;* Libav 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 GNU |
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;* Lesser General Public License for more details. |
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;* |
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;* You should have received a copy of the GNU Lesser General Public |
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;* License along with Libav; if not, write to the Free Software |
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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;****************************************************************************** |
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%include "x86inc.asm" |
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%include "x86util.asm" |
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SECTION_TEXT |
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;----------------------------------------------------------------------------- |
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; void ff_conv_fltp_to_flt_6ch(float *dst, float *const *src, int len, |
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; int channels); |
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;----------------------------------------------------------------------------- |
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%macro CONV_FLTP_TO_FLT_6CH 0 |
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cglobal conv_fltp_to_flt_6ch, 2,8,7, dst, src, src1, src2, src3, src4, src5, len |
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%if ARCH_X86_64 |
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mov lend, r2d |
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%else |
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%define lend dword r2m |
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%endif |
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mov src1q, [srcq+1*gprsize] |
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mov src2q, [srcq+2*gprsize] |
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mov src3q, [srcq+3*gprsize] |
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mov src4q, [srcq+4*gprsize] |
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mov src5q, [srcq+5*gprsize] |
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mov srcq, [srcq] |
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sub src1q, srcq |
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sub src2q, srcq |
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sub src3q, srcq |
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sub src4q, srcq |
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sub src5q, srcq |
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.loop: |
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mova m0, [srcq ] |
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mova m1, [srcq+src1q] |
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mova m2, [srcq+src2q] |
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mova m3, [srcq+src3q] |
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mova m4, [srcq+src4q] |
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mova m5, [srcq+src5q] |
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%if cpuflag(sse) |
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SBUTTERFLYPS 0, 1, 6 |
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SBUTTERFLYPS 2, 3, 6 |
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SBUTTERFLYPS 4, 5, 6 |
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movaps m6, m4 |
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shufps m4, m0, q3210 |
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movlhps m0, m2 |
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movhlps m6, m2 |
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movaps [dstq ], m0 |
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movaps [dstq+16], m4 |
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movaps [dstq+32], m6 |
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movaps m6, m5 |
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shufps m5, m1, q3210 |
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movlhps m1, m3 |
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movhlps m6, m3 |
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movaps [dstq+48], m1 |
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movaps [dstq+64], m5 |
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movaps [dstq+80], m6 |
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%else ; mmx |
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SBUTTERFLY dq, 0, 1, 6 |
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SBUTTERFLY dq, 2, 3, 6 |
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SBUTTERFLY dq, 4, 5, 6 |
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movq [dstq ], m0 |
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movq [dstq+ 8], m2 |
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movq [dstq+16], m4 |
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movq [dstq+24], m1 |
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movq [dstq+32], m3 |
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movq [dstq+40], m5 |
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%endif |
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add srcq, mmsize |
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add dstq, mmsize*6 |
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sub lend, mmsize/4 |
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jg .loop |
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%if mmsize == 8 |
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emms |
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RET |
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%else |
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REP_RET |
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%endif |
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%endmacro |
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INIT_MMX mmx |
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CONV_FLTP_TO_FLT_6CH |
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INIT_XMM sse |
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CONV_FLTP_TO_FLT_6CH
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