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- ;*****************************************************************************
- ;* x86-optimized Float DSP functions
- ;*
- ;* Copyright 2006 Loren Merritt
- ;*
- ;* 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 "x86inc.asm"
-
- SECTION .text
-
- ;-----------------------------------------------------------------------------
- ; void vector_fmul(float *dst, const float *src0, const float *src1, int len)
- ;-----------------------------------------------------------------------------
- %macro VECTOR_FMUL 0
- cglobal vector_fmul, 4,4,2, dst, src0, src1, len
- lea lenq, [lend*4 - 2*mmsize]
- ALIGN 16
- .loop
- mova m0, [src0q + lenq]
- mova m1, [src0q + lenq + mmsize]
- mulps m0, m0, [src1q + lenq]
- mulps m1, m1, [src1q + lenq + mmsize]
- mova [dstq + lenq], m0
- mova [dstq + lenq + mmsize], m1
-
- sub lenq, 2*mmsize
- jge .loop
- %if mmsize == 32
- vzeroupper
- RET
- %else
- REP_RET
- %endif
- %endmacro
-
- INIT_XMM sse
- VECTOR_FMUL
- %if HAVE_AVX
- INIT_YMM avx
- VECTOR_FMUL
- %endif
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