From 5b59a9fc6152169599561f04b4f66370edda5c9c Mon Sep 17 00:00:00 2001 From: Christophe Gisquet Date: Fri, 11 May 2012 11:25:30 +0200 Subject: x86: dcadsp: implement int8x8_fmul_int32 For the callable function (as opposed to the inline one): C SSE SSE2 SSE4 Win32: 47 42 29 26 Win64: 30 33 25 23 The SSE version is neither compiled nor set for ARCH_X86_64, as the inlinable function takes over. Signed-off-by: Janne Grunau --- libavcodec/x86/dcadsp_init.c | 47 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 libavcodec/x86/dcadsp_init.c (limited to 'libavcodec/x86/dcadsp_init.c') diff --git a/libavcodec/x86/dcadsp_init.c b/libavcodec/x86/dcadsp_init.c new file mode 100644 index 0000000000..976d8a3ba3 --- /dev/null +++ b/libavcodec/x86/dcadsp_init.c @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2012-2014 Christophe Gisquet + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/attributes.h" +#include "libavutil/cpu.h" +#include "libavutil/x86/cpu.h" +#include "libavcodec/dcadsp.h" + +void ff_int8x8_fmul_int32_sse(float *dst, const int8_t *src, int scale); +void ff_int8x8_fmul_int32_sse2(float *dst, const int8_t *src, int scale); +void ff_int8x8_fmul_int32_sse4(float *dst, const int8_t *src, int scale); + +av_cold void ff_dcadsp_init_x86(DCADSPContext *s) +{ + int cpu_flags = av_get_cpu_flags(); + + if (EXTERNAL_SSE(cpu_flags)) { +#if ARCH_X86_32 + s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse; +#endif + } + + if (EXTERNAL_SSE2(cpu_flags)) { + s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse2; + } + + if (EXTERNAL_SSE4(cpu_flags)) { + s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse4; + } +} -- cgit v1.2.3