ffmpeg / libavcodec / i386 / dsputil_mmx_rnd_template.c @ 2600f8c8
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/*
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* DSP utils mmx functions are compiled twice for rnd/no_rnd
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* Copyright (c) 2000, 2001 Fabrice Bellard.
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* Copyright (c) 2003-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
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* mostly rewritten by Michael Niedermayer <michaelni@gmx.at>
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* and improved by Zdenek Kabelac <kabi@users.sf.net>
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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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// put_pixels
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static void DEF(put, pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{
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MOVQ_BFE(mm6); |
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__asm__ volatile(
|
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"lea (%3, %3), %%"REG_a" \n\t" |
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ASMALIGN(3)
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"1: \n\t"
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"movq (%1), %%mm0 \n\t"
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"movq 1(%1), %%mm1 \n\t"
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"movq (%1, %3), %%mm2 \n\t"
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"movq 1(%1, %3), %%mm3 \n\t"
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PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) |
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"movq %%mm4, (%2) \n\t"
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"movq %%mm5, (%2, %3) \n\t"
|
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"add %%"REG_a", %1 \n\t" |
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"add %%"REG_a", %2 \n\t" |
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"movq (%1), %%mm0 \n\t"
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"movq 1(%1), %%mm1 \n\t"
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"movq (%1, %3), %%mm2 \n\t"
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"movq 1(%1, %3), %%mm3 \n\t"
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PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) |
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"movq %%mm4, (%2) \n\t"
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"movq %%mm5, (%2, %3) \n\t"
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"add %%"REG_a", %1 \n\t" |
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"add %%"REG_a", %2 \n\t" |
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"subl $4, %0 \n\t"
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"jnz 1b \n\t"
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:"+g"(h), "+S"(pixels), "+D"(block) |
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:"r"((x86_reg)line_size)
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:REG_a, "memory");
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} |
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static void av_unused DEF(put, pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h) |
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{
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MOVQ_BFE(mm6); |
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__asm__ volatile(
|
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"testl $1, %0 \n\t"
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" jz 1f \n\t"
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"movq (%1), %%mm0 \n\t"
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"movq (%2), %%mm1 \n\t"
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"add %4, %1 \n\t"
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"add $8, %2 \n\t"
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PAVGB(%%mm0, %%mm1, %%mm4, %%mm6) |
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"movq %%mm4, (%3) \n\t"
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"add %5, %3 \n\t"
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"decl %0 \n\t"
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ASMALIGN(3)
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"1: \n\t"
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"movq (%1), %%mm0 \n\t"
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"movq (%2), %%mm1 \n\t"
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"add %4, %1 \n\t"
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"movq (%1), %%mm2 \n\t"
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"movq 8(%2), %%mm3 \n\t"
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"add %4, %1 \n\t"
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PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) |
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"movq %%mm4, (%3) \n\t"
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"add %5, %3 \n\t"
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"movq %%mm5, (%3) \n\t"
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"add %5, %3 \n\t"
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"movq (%1), %%mm0 \n\t"
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"movq 16(%2), %%mm1 \n\t"
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"add %4, %1 \n\t"
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"movq (%1), %%mm2 \n\t"
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"movq 24(%2), %%mm3 \n\t"
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"add %4, %1 \n\t"
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"add $32, %2 \n\t"
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PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) |
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"movq %%mm4, (%3) \n\t"
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"add %5, %3 \n\t"
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"movq %%mm5, (%3) \n\t"
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"add %5, %3 \n\t"
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"subl $4, %0 \n\t"
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"jnz 1b \n\t"
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#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used |
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:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst) |
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#else
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:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst) |
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#endif
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:"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride) |
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:"memory");
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} |
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static void DEF(put, pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{
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MOVQ_BFE(mm6); |
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__asm__ volatile(
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"lea (%3, %3), %%"REG_a" \n\t" |
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ASMALIGN(3)
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"1: \n\t"
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"movq (%1), %%mm0 \n\t"
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"movq 1(%1), %%mm1 \n\t"
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"movq (%1, %3), %%mm2 \n\t"
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"movq 1(%1, %3), %%mm3 \n\t"
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PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) |
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"movq %%mm4, (%2) \n\t"
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"movq %%mm5, (%2, %3) \n\t"
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"movq 8(%1), %%mm0 \n\t"
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"movq 9(%1), %%mm1 \n\t"
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"movq 8(%1, %3), %%mm2 \n\t"
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"movq 9(%1, %3), %%mm3 \n\t"
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PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) |
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"movq %%mm4, 8(%2) \n\t"
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"movq %%mm5, 8(%2, %3) \n\t"
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"add %%"REG_a", %1 \n\t" |
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"add %%"REG_a", %2 \n\t" |
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"movq (%1), %%mm0 \n\t"
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"movq 1(%1), %%mm1 \n\t"
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"movq (%1, %3), %%mm2 \n\t"
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"movq 1(%1, %3), %%mm3 \n\t"
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PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) |
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"movq %%mm4, (%2) \n\t"
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"movq %%mm5, (%2, %3) \n\t"
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"movq 8(%1), %%mm0 \n\t"
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"movq 9(%1), %%mm1 \n\t"
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"movq 8(%1, %3), %%mm2 \n\t"
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"movq 9(%1, %3), %%mm3 \n\t"
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PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) |
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"movq %%mm4, 8(%2) \n\t"
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"movq %%mm5, 8(%2, %3) \n\t"
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"add %%"REG_a", %1 \n\t" |
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"add %%"REG_a", %2 \n\t" |
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"subl $4, %0 \n\t"
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"jnz 1b \n\t"
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:"+g"(h), "+S"(pixels), "+D"(block) |
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:"r"((x86_reg)line_size)
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:REG_a, "memory");
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} |
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static void av_unused DEF(put, pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h) |
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{
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MOVQ_BFE(mm6); |
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__asm__ volatile(
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"testl $1, %0 \n\t"
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" jz 1f \n\t"
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"movq (%1), %%mm0 \n\t"
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"movq (%2), %%mm1 \n\t"
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"movq 8(%1), %%mm2 \n\t"
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"movq 8(%2), %%mm3 \n\t"
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"add %4, %1 \n\t"
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"add $16, %2 \n\t"
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PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) |
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"movq %%mm4, (%3) \n\t"
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"movq %%mm5, 8(%3) \n\t"
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"add %5, %3 \n\t"
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"decl %0 \n\t"
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ASMALIGN(3)
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"1: \n\t"
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"movq (%1), %%mm0 \n\t"
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"movq (%2), %%mm1 \n\t"
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"movq 8(%1), %%mm2 \n\t"
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"movq 8(%2), %%mm3 \n\t"
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"add %4, %1 \n\t"
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PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) |
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"movq %%mm4, (%3) \n\t"
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"movq %%mm5, 8(%3) \n\t"
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"add %5, %3 \n\t"
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"movq (%1), %%mm0 \n\t"
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"movq 16(%2), %%mm1 \n\t"
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"movq 8(%1), %%mm2 \n\t"
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"movq 24(%2), %%mm3 \n\t"
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"add %4, %1 \n\t"
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PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5) |
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"movq %%mm4, (%3) \n\t"
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"movq %%mm5, 8(%3) \n\t"
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"add %5, %3 \n\t"
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"add $32, %2 \n\t"
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"subl $2, %0 \n\t"
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"jnz 1b \n\t"
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#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used |
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:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst) |
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#else
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:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst) |
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#endif
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:"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride) |
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:"memory");
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} |
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static void DEF(put, pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{
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MOVQ_BFE(mm6); |
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__asm__ volatile(
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"lea (%3, %3), %%"REG_a" \n\t" |
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"movq (%1), %%mm0 \n\t"
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ASMALIGN(3)
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"1: \n\t"
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"movq (%1, %3), %%mm1 \n\t"
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"movq (%1, %%"REG_a"),%%mm2 \n\t" |
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PAVGBP(%%mm1, %%mm0, %%mm4, %%mm2, %%mm1, %%mm5) |
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"movq %%mm4, (%2) \n\t"
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"movq %%mm5, (%2, %3) \n\t"
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"add %%"REG_a", %1 \n\t" |
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"add %%"REG_a", %2 \n\t" |
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"movq (%1, %3), %%mm1 \n\t"
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"movq (%1, %%"REG_a"),%%mm0 \n\t" |
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PAVGBP(%%mm1, %%mm2, %%mm4, %%mm0, %%mm1, %%mm5) |
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"movq %%mm4, (%2) \n\t"
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"movq %%mm5, (%2, %3) \n\t"
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"add %%"REG_a", %1 \n\t" |
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"add %%"REG_a", %2 \n\t" |
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"subl $4, %0 \n\t"
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"jnz 1b \n\t"
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:"+g"(h), "+S"(pixels), "+D"(block) |
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:"r"((x86_reg)line_size)
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:REG_a, "memory");
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} |
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|
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static void DEF(put, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{
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MOVQ_ZERO(mm7); |
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SET_RND(mm6); // =2 for rnd and =1 for no_rnd version
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__asm__ volatile(
|
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"movq (%1), %%mm0 \n\t"
|
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"movq 1(%1), %%mm4 \n\t"
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"movq %%mm0, %%mm1 \n\t"
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"movq %%mm4, %%mm5 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm4 \n\t"
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"punpckhbw %%mm7, %%mm1 \n\t"
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"punpckhbw %%mm7, %%mm5 \n\t"
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"paddusw %%mm0, %%mm4 \n\t"
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"paddusw %%mm1, %%mm5 \n\t"
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"xor %%"REG_a", %%"REG_a" \n\t" |
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"add %3, %1 \n\t"
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ASMALIGN(3)
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"1: \n\t"
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"movq (%1, %%"REG_a"), %%mm0 \n\t" |
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"movq 1(%1, %%"REG_a"), %%mm2 \n\t" |
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"movq %%mm0, %%mm1 \n\t"
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"movq %%mm2, %%mm3 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t"
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"punpckhbw %%mm7, %%mm1 \n\t"
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"punpckhbw %%mm7, %%mm3 \n\t"
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"paddusw %%mm2, %%mm0 \n\t"
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"paddusw %%mm3, %%mm1 \n\t"
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"paddusw %%mm6, %%mm4 \n\t"
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"paddusw %%mm6, %%mm5 \n\t"
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"paddusw %%mm0, %%mm4 \n\t"
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"paddusw %%mm1, %%mm5 \n\t"
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"psrlw $2, %%mm4 \n\t"
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"psrlw $2, %%mm5 \n\t"
|
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"packuswb %%mm5, %%mm4 \n\t"
|
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"movq %%mm4, (%2, %%"REG_a") \n\t" |
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"add %3, %%"REG_a" \n\t" |
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|
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"movq (%1, %%"REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3 |
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"movq 1(%1, %%"REG_a"), %%mm4 \n\t" |
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"movq %%mm2, %%mm3 \n\t"
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"movq %%mm4, %%mm5 \n\t"
|
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"punpcklbw %%mm7, %%mm2 \n\t"
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"punpcklbw %%mm7, %%mm4 \n\t"
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"punpckhbw %%mm7, %%mm3 \n\t"
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"punpckhbw %%mm7, %%mm5 \n\t"
|
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"paddusw %%mm2, %%mm4 \n\t"
|
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"paddusw %%mm3, %%mm5 \n\t"
|
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"paddusw %%mm6, %%mm0 \n\t"
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"paddusw %%mm6, %%mm1 \n\t"
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"paddusw %%mm4, %%mm0 \n\t"
|
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"paddusw %%mm5, %%mm1 \n\t"
|
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"psrlw $2, %%mm0 \n\t"
|
| 288 |
"psrlw $2, %%mm1 \n\t"
|
| 289 |
"packuswb %%mm1, %%mm0 \n\t"
|
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"movq %%mm0, (%2, %%"REG_a") \n\t" |
| 291 |
"add %3, %%"REG_a" \n\t" |
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|
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"subl $2, %0 \n\t"
|
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"jnz 1b \n\t"
|
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:"+g"(h), "+S"(pixels) |
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:"D"(block), "r"((x86_reg)line_size) |
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:REG_a, "memory");
|
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} |
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|
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// avg_pixels
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static void av_unused DEF(avg, pixels4)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
| 302 |
{
|
| 303 |
MOVQ_BFE(mm6); |
| 304 |
JUMPALIGN(); |
| 305 |
do {
|
| 306 |
__asm__ volatile(
|
| 307 |
"movd %0, %%mm0 \n\t"
|
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"movd %1, %%mm1 \n\t"
|
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PAVGB(%%mm0, %%mm1, %%mm2, %%mm6) |
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"movd %%mm2, %0 \n\t"
|
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:"+m"(*block)
|
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:"m"(*pixels)
|
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:"memory");
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pixels += line_size; |
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block += line_size; |
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} |
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while (--h);
|
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} |
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|
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// in case more speed is needed - unroling would certainly help
|
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static void DEF(avg, pixels8)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
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{
|
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MOVQ_BFE(mm6); |
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JUMPALIGN(); |
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do {
|
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__asm__ volatile(
|
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"movq %0, %%mm0 \n\t"
|
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"movq %1, %%mm1 \n\t"
|
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PAVGB(%%mm0, %%mm1, %%mm2, %%mm6) |
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"movq %%mm2, %0 \n\t"
|
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:"+m"(*block)
|
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:"m"(*pixels)
|
| 333 |
:"memory");
|
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pixels += line_size; |
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block += line_size; |
| 336 |
} |
| 337 |
while (--h);
|
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} |
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|
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static void DEF(avg, pixels16)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
| 341 |
{
|
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MOVQ_BFE(mm6); |
| 343 |
JUMPALIGN(); |
| 344 |
do {
|
| 345 |
__asm__ volatile(
|
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"movq %0, %%mm0 \n\t"
|
| 347 |
"movq %1, %%mm1 \n\t"
|
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PAVGB(%%mm0, %%mm1, %%mm2, %%mm6) |
| 349 |
"movq %%mm2, %0 \n\t"
|
| 350 |
"movq 8%0, %%mm0 \n\t"
|
| 351 |
"movq 8%1, %%mm1 \n\t"
|
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PAVGB(%%mm0, %%mm1, %%mm2, %%mm6) |
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"movq %%mm2, 8%0 \n\t"
|
| 354 |
:"+m"(*block)
|
| 355 |
:"m"(*pixels)
|
| 356 |
:"memory");
|
| 357 |
pixels += line_size; |
| 358 |
block += line_size; |
| 359 |
} |
| 360 |
while (--h);
|
| 361 |
} |
| 362 |
|
| 363 |
static void DEF(avg, pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
| 364 |
{
|
| 365 |
MOVQ_BFE(mm6); |
| 366 |
JUMPALIGN(); |
| 367 |
do {
|
| 368 |
__asm__ volatile(
|
| 369 |
"movq %1, %%mm0 \n\t"
|
| 370 |
"movq 1%1, %%mm1 \n\t"
|
| 371 |
"movq %0, %%mm3 \n\t"
|
| 372 |
PAVGB(%%mm0, %%mm1, %%mm2, %%mm6) |
| 373 |
PAVGB(%%mm3, %%mm2, %%mm0, %%mm6) |
| 374 |
"movq %%mm0, %0 \n\t"
|
| 375 |
:"+m"(*block)
|
| 376 |
:"m"(*pixels)
|
| 377 |
:"memory");
|
| 378 |
pixels += line_size; |
| 379 |
block += line_size; |
| 380 |
} while (--h);
|
| 381 |
} |
| 382 |
|
| 383 |
static av_unused void DEF(avg, pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h) |
| 384 |
{
|
| 385 |
MOVQ_BFE(mm6); |
| 386 |
JUMPALIGN(); |
| 387 |
do {
|
| 388 |
__asm__ volatile(
|
| 389 |
"movq %1, %%mm0 \n\t"
|
| 390 |
"movq %2, %%mm1 \n\t"
|
| 391 |
"movq %0, %%mm3 \n\t"
|
| 392 |
PAVGB(%%mm0, %%mm1, %%mm2, %%mm6) |
| 393 |
PAVGB(%%mm3, %%mm2, %%mm0, %%mm6) |
| 394 |
"movq %%mm0, %0 \n\t"
|
| 395 |
:"+m"(*dst)
|
| 396 |
:"m"(*src1), "m"(*src2) |
| 397 |
:"memory");
|
| 398 |
dst += dstStride; |
| 399 |
src1 += src1Stride; |
| 400 |
src2 += 8;
|
| 401 |
} while (--h);
|
| 402 |
} |
| 403 |
|
| 404 |
static void DEF(avg, pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
| 405 |
{
|
| 406 |
MOVQ_BFE(mm6); |
| 407 |
JUMPALIGN(); |
| 408 |
do {
|
| 409 |
__asm__ volatile(
|
| 410 |
"movq %1, %%mm0 \n\t"
|
| 411 |
"movq 1%1, %%mm1 \n\t"
|
| 412 |
"movq %0, %%mm3 \n\t"
|
| 413 |
PAVGB(%%mm0, %%mm1, %%mm2, %%mm6) |
| 414 |
PAVGB(%%mm3, %%mm2, %%mm0, %%mm6) |
| 415 |
"movq %%mm0, %0 \n\t"
|
| 416 |
"movq 8%1, %%mm0 \n\t"
|
| 417 |
"movq 9%1, %%mm1 \n\t"
|
| 418 |
"movq 8%0, %%mm3 \n\t"
|
| 419 |
PAVGB(%%mm0, %%mm1, %%mm2, %%mm6) |
| 420 |
PAVGB(%%mm3, %%mm2, %%mm0, %%mm6) |
| 421 |
"movq %%mm0, 8%0 \n\t"
|
| 422 |
:"+m"(*block)
|
| 423 |
:"m"(*pixels)
|
| 424 |
:"memory");
|
| 425 |
pixels += line_size; |
| 426 |
block += line_size; |
| 427 |
} while (--h);
|
| 428 |
} |
| 429 |
|
| 430 |
static av_unused void DEF(avg, pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h) |
| 431 |
{
|
| 432 |
MOVQ_BFE(mm6); |
| 433 |
JUMPALIGN(); |
| 434 |
do {
|
| 435 |
__asm__ volatile(
|
| 436 |
"movq %1, %%mm0 \n\t"
|
| 437 |
"movq %2, %%mm1 \n\t"
|
| 438 |
"movq %0, %%mm3 \n\t"
|
| 439 |
PAVGB(%%mm0, %%mm1, %%mm2, %%mm6) |
| 440 |
PAVGB(%%mm3, %%mm2, %%mm0, %%mm6) |
| 441 |
"movq %%mm0, %0 \n\t"
|
| 442 |
"movq 8%1, %%mm0 \n\t"
|
| 443 |
"movq 8%2, %%mm1 \n\t"
|
| 444 |
"movq 8%0, %%mm3 \n\t"
|
| 445 |
PAVGB(%%mm0, %%mm1, %%mm2, %%mm6) |
| 446 |
PAVGB(%%mm3, %%mm2, %%mm0, %%mm6) |
| 447 |
"movq %%mm0, 8%0 \n\t"
|
| 448 |
:"+m"(*dst)
|
| 449 |
:"m"(*src1), "m"(*src2) |
| 450 |
:"memory");
|
| 451 |
dst += dstStride; |
| 452 |
src1 += src1Stride; |
| 453 |
src2 += 16;
|
| 454 |
} while (--h);
|
| 455 |
} |
| 456 |
|
| 457 |
static void DEF(avg, pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
| 458 |
{
|
| 459 |
MOVQ_BFE(mm6); |
| 460 |
__asm__ volatile(
|
| 461 |
"lea (%3, %3), %%"REG_a" \n\t" |
| 462 |
"movq (%1), %%mm0 \n\t"
|
| 463 |
ASMALIGN(3)
|
| 464 |
"1: \n\t"
|
| 465 |
"movq (%1, %3), %%mm1 \n\t"
|
| 466 |
"movq (%1, %%"REG_a"), %%mm2 \n\t" |
| 467 |
PAVGBP(%%mm1, %%mm0, %%mm4, %%mm2, %%mm1, %%mm5) |
| 468 |
"movq (%2), %%mm3 \n\t"
|
| 469 |
PAVGB(%%mm3, %%mm4, %%mm0, %%mm6) |
| 470 |
"movq (%2, %3), %%mm3 \n\t"
|
| 471 |
PAVGB(%%mm3, %%mm5, %%mm1, %%mm6) |
| 472 |
"movq %%mm0, (%2) \n\t"
|
| 473 |
"movq %%mm1, (%2, %3) \n\t"
|
| 474 |
"add %%"REG_a", %1 \n\t" |
| 475 |
"add %%"REG_a", %2 \n\t" |
| 476 |
|
| 477 |
"movq (%1, %3), %%mm1 \n\t"
|
| 478 |
"movq (%1, %%"REG_a"), %%mm0 \n\t" |
| 479 |
PAVGBP(%%mm1, %%mm2, %%mm4, %%mm0, %%mm1, %%mm5) |
| 480 |
"movq (%2), %%mm3 \n\t"
|
| 481 |
PAVGB(%%mm3, %%mm4, %%mm2, %%mm6) |
| 482 |
"movq (%2, %3), %%mm3 \n\t"
|
| 483 |
PAVGB(%%mm3, %%mm5, %%mm1, %%mm6) |
| 484 |
"movq %%mm2, (%2) \n\t"
|
| 485 |
"movq %%mm1, (%2, %3) \n\t"
|
| 486 |
"add %%"REG_a", %1 \n\t" |
| 487 |
"add %%"REG_a", %2 \n\t" |
| 488 |
|
| 489 |
"subl $4, %0 \n\t"
|
| 490 |
"jnz 1b \n\t"
|
| 491 |
:"+g"(h), "+S"(pixels), "+D"(block) |
| 492 |
:"r"((x86_reg)line_size)
|
| 493 |
:REG_a, "memory");
|
| 494 |
} |
| 495 |
|
| 496 |
// this routine is 'slightly' suboptimal but mostly unused
|
| 497 |
static void DEF(avg, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h) |
| 498 |
{
|
| 499 |
MOVQ_ZERO(mm7); |
| 500 |
SET_RND(mm6); // =2 for rnd and =1 for no_rnd version
|
| 501 |
__asm__ volatile(
|
| 502 |
"movq (%1), %%mm0 \n\t"
|
| 503 |
"movq 1(%1), %%mm4 \n\t"
|
| 504 |
"movq %%mm0, %%mm1 \n\t"
|
| 505 |
"movq %%mm4, %%mm5 \n\t"
|
| 506 |
"punpcklbw %%mm7, %%mm0 \n\t"
|
| 507 |
"punpcklbw %%mm7, %%mm4 \n\t"
|
| 508 |
"punpckhbw %%mm7, %%mm1 \n\t"
|
| 509 |
"punpckhbw %%mm7, %%mm5 \n\t"
|
| 510 |
"paddusw %%mm0, %%mm4 \n\t"
|
| 511 |
"paddusw %%mm1, %%mm5 \n\t"
|
| 512 |
"xor %%"REG_a", %%"REG_a" \n\t" |
| 513 |
"add %3, %1 \n\t"
|
| 514 |
ASMALIGN(3)
|
| 515 |
"1: \n\t"
|
| 516 |
"movq (%1, %%"REG_a"), %%mm0 \n\t" |
| 517 |
"movq 1(%1, %%"REG_a"), %%mm2 \n\t" |
| 518 |
"movq %%mm0, %%mm1 \n\t"
|
| 519 |
"movq %%mm2, %%mm3 \n\t"
|
| 520 |
"punpcklbw %%mm7, %%mm0 \n\t"
|
| 521 |
"punpcklbw %%mm7, %%mm2 \n\t"
|
| 522 |
"punpckhbw %%mm7, %%mm1 \n\t"
|
| 523 |
"punpckhbw %%mm7, %%mm3 \n\t"
|
| 524 |
"paddusw %%mm2, %%mm0 \n\t"
|
| 525 |
"paddusw %%mm3, %%mm1 \n\t"
|
| 526 |
"paddusw %%mm6, %%mm4 \n\t"
|
| 527 |
"paddusw %%mm6, %%mm5 \n\t"
|
| 528 |
"paddusw %%mm0, %%mm4 \n\t"
|
| 529 |
"paddusw %%mm1, %%mm5 \n\t"
|
| 530 |
"psrlw $2, %%mm4 \n\t"
|
| 531 |
"psrlw $2, %%mm5 \n\t"
|
| 532 |
"movq (%2, %%"REG_a"), %%mm3 \n\t" |
| 533 |
"packuswb %%mm5, %%mm4 \n\t"
|
| 534 |
"pcmpeqd %%mm2, %%mm2 \n\t"
|
| 535 |
"paddb %%mm2, %%mm2 \n\t"
|
| 536 |
PAVGB(%%mm3, %%mm4, %%mm5, %%mm2) |
| 537 |
"movq %%mm5, (%2, %%"REG_a") \n\t" |
| 538 |
"add %3, %%"REG_a" \n\t" |
| 539 |
|
| 540 |
"movq (%1, %%"REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3 |
| 541 |
"movq 1(%1, %%"REG_a"), %%mm4 \n\t" |
| 542 |
"movq %%mm2, %%mm3 \n\t"
|
| 543 |
"movq %%mm4, %%mm5 \n\t"
|
| 544 |
"punpcklbw %%mm7, %%mm2 \n\t"
|
| 545 |
"punpcklbw %%mm7, %%mm4 \n\t"
|
| 546 |
"punpckhbw %%mm7, %%mm3 \n\t"
|
| 547 |
"punpckhbw %%mm7, %%mm5 \n\t"
|
| 548 |
"paddusw %%mm2, %%mm4 \n\t"
|
| 549 |
"paddusw %%mm3, %%mm5 \n\t"
|
| 550 |
"paddusw %%mm6, %%mm0 \n\t"
|
| 551 |
"paddusw %%mm6, %%mm1 \n\t"
|
| 552 |
"paddusw %%mm4, %%mm0 \n\t"
|
| 553 |
"paddusw %%mm5, %%mm1 \n\t"
|
| 554 |
"psrlw $2, %%mm0 \n\t"
|
| 555 |
"psrlw $2, %%mm1 \n\t"
|
| 556 |
"movq (%2, %%"REG_a"), %%mm3 \n\t" |
| 557 |
"packuswb %%mm1, %%mm0 \n\t"
|
| 558 |
"pcmpeqd %%mm2, %%mm2 \n\t"
|
| 559 |
"paddb %%mm2, %%mm2 \n\t"
|
| 560 |
PAVGB(%%mm3, %%mm0, %%mm1, %%mm2) |
| 561 |
"movq %%mm1, (%2, %%"REG_a") \n\t" |
| 562 |
"add %3, %%"REG_a" \n\t" |
| 563 |
|
| 564 |
"subl $2, %0 \n\t"
|
| 565 |
"jnz 1b \n\t"
|
| 566 |
:"+g"(h), "+S"(pixels) |
| 567 |
:"D"(block), "r"((x86_reg)line_size) |
| 568 |
:REG_a, "memory");
|
| 569 |
} |
| 570 |
|
| 571 |
//FIXME optimize
|
| 572 |
static void DEF(put, pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){ |
| 573 |
DEF(put, pixels8_y2)(block , pixels , line_size, h); |
| 574 |
DEF(put, pixels8_y2)(block+8, pixels+8, line_size, h); |
| 575 |
} |
| 576 |
|
| 577 |
static void DEF(put, pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){ |
| 578 |
DEF(put, pixels8_xy2)(block , pixels , line_size, h); |
| 579 |
DEF(put, pixels8_xy2)(block+8, pixels+8, line_size, h); |
| 580 |
} |
| 581 |
|
| 582 |
static void DEF(avg, pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){ |
| 583 |
DEF(avg, pixels8_y2)(block , pixels , line_size, h); |
| 584 |
DEF(avg, pixels8_y2)(block+8, pixels+8, line_size, h); |
| 585 |
} |
| 586 |
|
| 587 |
static void DEF(avg, pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){ |
| 588 |
DEF(avg, pixels8_xy2)(block , pixels , line_size, h); |
| 589 |
DEF(avg, pixels8_xy2)(block+8, pixels+8, line_size, h); |
| 590 |
} |