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38 lines
1.3 KiB
38 lines
1.3 KiB
/* |
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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 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 "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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