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