/* * 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 "config.h" #include "libavutil/x86/asm.h" #include "audiodsp.h" #if HAVE_INLINE_ASM void ff_vector_clipf_sse(float *dst, const float *src, float min, float max, int len) { x86_reg i = (len - 16) * 4; __asm__ volatile ( "movss %3, %%xmm4 \n\t" "movss %4, %%xmm5 \n\t" "shufps $0, %%xmm4, %%xmm4 \n\t" "shufps $0, %%xmm5, %%xmm5 \n\t" "1: \n\t" "movaps (%2, %0), %%xmm0 \n\t" // 3/1 on intel "movaps 16(%2, %0), %%xmm1 \n\t" "movaps 32(%2, %0), %%xmm2 \n\t" "movaps 48(%2, %0), %%xmm3 \n\t" "maxps %%xmm4, %%xmm0 \n\t" "maxps %%xmm4, %%xmm1 \n\t" "maxps %%xmm4, %%xmm2 \n\t" "maxps %%xmm4, %%xmm3 \n\t" "minps %%xmm5, %%xmm0 \n\t" "minps %%xmm5, %%xmm1 \n\t" "minps %%xmm5, %%xmm2 \n\t" "minps %%xmm5, %%xmm3 \n\t" "movaps %%xmm0, (%1, %0) \n\t" "movaps %%xmm1, 16(%1, %0) \n\t" "movaps %%xmm2, 32(%1, %0) \n\t" "movaps %%xmm3, 48(%1, %0) \n\t" "sub $64, %0 \n\t" "jge 1b \n\t" : "+&r" (i) : "r" (dst), "r" (src), "m" (min), "m" (max) : "memory"); } #endif /* HAVE_INLINE_ASM */