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94 lines
2.7 KiB
94 lines
2.7 KiB
;***************************************************************************** |
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;* x86-optimized Float DSP functions |
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;* |
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;* Copyright 2006 Loren Merritt |
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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 "x86inc.asm" |
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%include "x86util.asm" |
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SECTION .text |
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;----------------------------------------------------------------------------- |
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; void vector_fmul(float *dst, const float *src0, const float *src1, int len) |
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;----------------------------------------------------------------------------- |
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%macro VECTOR_FMUL 0 |
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cglobal vector_fmul, 4,4,2, dst, src0, src1, len |
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lea lenq, [lend*4 - 2*mmsize] |
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ALIGN 16 |
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.loop: |
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mova m0, [src0q + lenq] |
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mova m1, [src0q + lenq + mmsize] |
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mulps m0, m0, [src1q + lenq] |
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mulps m1, m1, [src1q + lenq + mmsize] |
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mova [dstq + lenq], m0 |
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mova [dstq + lenq + mmsize], m1 |
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sub lenq, 2*mmsize |
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jge .loop |
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REP_RET |
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%endmacro |
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INIT_XMM sse |
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VECTOR_FMUL |
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%if HAVE_AVX_EXTERNAL |
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INIT_YMM avx |
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VECTOR_FMUL |
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%endif |
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;------------------------------------------------------------------------------ |
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; void ff_vector_fmac_scalar(float *dst, const float *src, float mul, int len) |
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;------------------------------------------------------------------------------ |
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%macro VECTOR_FMAC_SCALAR 0 |
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%if UNIX64 |
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cglobal vector_fmac_scalar, 3,3,3, dst, src, len |
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%else |
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cglobal vector_fmac_scalar, 4,4,3, dst, src, mul, len |
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%endif |
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%if ARCH_X86_32 |
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VBROADCASTSS m0, mulm |
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%else |
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%if WIN64 |
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mova xmm0, xmm2 |
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%endif |
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shufps xmm0, xmm0, 0 |
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%if cpuflag(avx) |
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vinsertf128 m0, m0, xmm0, 1 |
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%endif |
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%endif |
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lea lenq, [lend*4-2*mmsize] |
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.loop: |
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mulps m1, m0, [srcq+lenq ] |
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mulps m2, m0, [srcq+lenq+mmsize] |
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addps m1, m1, [dstq+lenq ] |
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addps m2, m2, [dstq+lenq+mmsize] |
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mova [dstq+lenq ], m1 |
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mova [dstq+lenq+mmsize], m2 |
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sub lenq, 2*mmsize |
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jge .loop |
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REP_RET |
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%endmacro |
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INIT_XMM sse |
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VECTOR_FMAC_SCALAR |
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%if HAVE_AVX_EXTERNAL |
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INIT_YMM avx |
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VECTOR_FMAC_SCALAR |
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%endif
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