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7e22514d98
* qatar/master:
float_dsp: ppc: add a separate header for Altivec function prototypes
ARM: fix float_dsp breakage from d5a7229
Add a float DSP framework to libavutil
PPC: Move types_altivec.h and util_altivec.h from libavcodec to libavutil
ARM: Move asm.S from libavcodec to libavutil
vc1dsp: mark put/avg_vc1_mspel_mc() always_inline
Merged-by: Michael Niedermayer <michaelni@gmx.at>
39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
/*
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* Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 "util_altivec.h"
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#include "float_dsp_altivec.h"
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void ff_vector_fmul_altivec(float *dst, const float *src0, const float *src1,
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int len)
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{
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int i;
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vector float d0, d1, s, zero = (vector float)vec_splat_u32(0);
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for (i = 0; i < len - 7; i += 8) {
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d0 = vec_ld( 0, src0 + i);
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s = vec_ld( 0, src1 + i);
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d1 = vec_ld(16, src0 + i);
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d0 = vec_madd(d0, s, zero);
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d1 = vec_madd(d1, vec_ld(16, src1 + i), zero);
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vec_st(d0, 0, dst + i);
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vec_st(d1, 16, dst + i);
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}
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}
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