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/*
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* DSP utils : average functions are compiled twice for 3dnow/mmx2
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* Copyright (c) 2000, 2001 Gerard Lantau.
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* Copyright (c) 2002 Michael Niedermayer
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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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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*/
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/* XXX: we use explicit registers to avoid a gcc 2.95.2 register asm
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clobber bug - now it will work with 2.95.2 and also with -fPIC
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*/
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static void DEF(put_pixels_x2)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
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{
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__asm __volatile(
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"xorl %%eax, %%eax \n\t"
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".balign 16 \n\t"
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"1: \n\t"
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"movq (%1, %%eax), %%mm0 \n\t"
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"movq 1(%1, %%eax), %%mm1 \n\t"
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"movq (%2, %%eax), %%mm2 \n\t"
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"movq 1(%2, %%eax), %%mm3 \n\t"
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PAVGB" %%mm1, %%mm0 \n\t"
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PAVGB" %%mm3, %%mm2 \n\t"
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"movq %%mm0, (%3, %%eax) \n\t"
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"movq %%mm2, (%4, %%eax) \n\t"
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"addl %5, %%eax \n\t"
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"movq (%1, %%eax), %%mm0 \n\t"
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"movq 1(%1, %%eax), %%mm1 \n\t"
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"movq (%2, %%eax), %%mm2 \n\t"
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"movq 1(%2, %%eax), %%mm3 \n\t"
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PAVGB" %%mm1, %%mm0 \n\t"
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PAVGB" %%mm3, %%mm2 \n\t"
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"movq %%mm0, (%3, %%eax) \n\t"
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"movq %%mm2, (%4, %%eax) \n\t"
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"addl %5, %%eax \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)
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:"D"(pixels), "S"(pixels+line_size), "r" (block), "r" (block+line_size),
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"g"(line_size<<1)
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:"%eax", "memory");
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}
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/* GL: this function does incorrect rounding if overflow */
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static void DEF(put_no_rnd_pixels_x2)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
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{
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__asm __volatile(
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"xorl %%eax, %%eax \n\t"
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MOVQ_BONE(%%mm7)
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".balign 16 \n\t"
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"1: \n\t"
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"movq (%1, %%eax), %%mm0 \n\t"
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"movq 1(%1, %%eax), %%mm1 \n\t"
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"movq (%2, %%eax), %%mm2 \n\t"
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"movq 1(%2, %%eax), %%mm3 \n\t"
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"psubusb %%mm7, %%mm0 \n\t"
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"psubusb %%mm7, %%mm2 \n\t"
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PAVGB" %%mm1, %%mm0 \n\t"
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PAVGB" %%mm3, %%mm2 \n\t"
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"movq %%mm0, (%3, %%eax) \n\t"
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"movq %%mm2, (%4, %%eax) \n\t"
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"addl %5, %%eax \n\t"
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"movq (%1, %%eax), %%mm0 \n\t"
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"movq 1(%1, %%eax), %%mm1 \n\t"
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"movq (%2, %%eax), %%mm2 \n\t"
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"movq 1(%2, %%eax), %%mm3 \n\t"
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"psubusb %%mm7, %%mm0 \n\t"
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"psubusb %%mm7, %%mm2 \n\t"
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PAVGB" %%mm1, %%mm0 \n\t"
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PAVGB" %%mm3, %%mm2 \n\t"
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"movq %%mm0, (%3, %%eax) \n\t"
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"movq %%mm2, (%4, %%eax) \n\t"
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"addl %5, %%eax \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)
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:"D"(pixels), "S"(pixels+line_size), "r" (block), "r" (block+line_size),
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"r"(line_size<<1)
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:"%eax", "memory");
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}
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static void DEF(put_pixels_y2)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
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{
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#if 1
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// Michael - measure me
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__asm __volatile(
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"lea (%3, %3), %%eax \n\t"
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"movq (%1), %%mm0 \n\t"
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"subl %3, %2 \n\t"
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".balign 16 \n\t"
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"1: \n\t"
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"movq (%1, %3), %%mm1 \n\t"
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"movq (%1, %%eax), %%mm2 \n\t"
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PAVGB" %%mm1, %%mm0 \n\t"
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PAVGB" %%mm2, %%mm1 \n\t"
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"addl %%eax, %1 \n\t"
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"movq %%mm0, (%2, %3) \n\t"
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"movq %%mm1, (%2, %%eax) \n\t"
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"movq (%1, %3), %%mm1 \n\t"
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"movq (%1, %%eax), %%mm0 \n\t"
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PAVGB" %%mm1, %%mm2 \n\t"
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PAVGB" %%mm0, %%mm1 \n\t"
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"addl %%eax, %2 \n\t"
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"addl %%eax, %1 \n\t"
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"movq %%mm2, (%2, %3) \n\t"
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"movq %%mm1, (%2, %%eax) \n\t"
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"addl %%eax, %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), "+D"(pixels), "+S" (block)
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:"c"(line_size)
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:"%eax", "memory");
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#else
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// kabi measure me
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__asm __volatile(
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"movq (%2), %%mm0 \n\t"
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"addl %1, %2 \n\t"
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"xorl %%eax, %%eax \n\t"
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"leal (%1, %2), %%edi \n\t"
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"leal (%1, %3), %%esi \n\t"
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"addl %1, %1 \n\t"
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".balign 16 \n\t"
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"1: \n\t"
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"movq (%2 , %%eax), %%mm1 \n\t"
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"movq (%%edi, %%eax), %%mm2 \n\t"
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PAVGB" %%mm1, %%mm0 \n\t"
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PAVGB" %%mm2, %%mm1 \n\t"
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"movq %%mm0, (%3 , %%eax) \n\t"
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"movq %%mm1, (%%esi, %%eax) \n\t"
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"addl %1, %%eax \n\t"
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"movq (%2 , %%eax), %%mm1 \n\t"
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"movq (%%edi, %%eax), %%mm0 \n\t"
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PAVGB" %%mm1, %%mm2 \n\t"
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PAVGB" %%mm0, %%mm1 \n\t"
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"movq %%mm2, (%3 , %%eax) \n\t"
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"movq %%mm1, (%%esi, %%eax) \n\t"
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"addl %1, %%eax \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), "+r"(line_size), "+r"(pixels)
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: "r" (block)
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: "%eax", "%esi", "%edi", "memory");
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#endif
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}
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/* GL: this function does incorrect rounding if overflow */
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static void DEF(put_no_rnd_pixels_y2)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
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{
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__asm __volatile(
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MOVQ_BONE(%%mm7)
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"xorl %%eax, %%eax \n\t"
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|
|
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"movq (%1), %%mm0 \n\t"
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|
|
|
|
".balign 16 \n\t"
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|
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"1: \n\t"
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|
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"movq (%2, %%eax), %%mm1 \n\t"
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|
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"movq (%3, %%eax), %%mm2 \n\t"
|
|
|
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"psubusb %%mm7, %%mm1 \n\t"
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PAVGB" %%mm1, %%mm0 \n\t"
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PAVGB" %%mm2, %%mm1 \n\t"
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"movq %%mm0, (%4, %%eax) \n\t"
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"movq %%mm1, (%5, %%eax) \n\t"
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"addl %6, %%eax \n\t"
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"movq (%2, %%eax), %%mm1 \n\t"
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|
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"movq (%3, %%eax), %%mm0 \n\t"
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|
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"psubusb %%mm7, %%mm1 \n\t"
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PAVGB" %%mm1, %%mm2 \n\t"
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|
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PAVGB" %%mm0, %%mm1 \n\t"
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|
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"movq %%mm2, (%4, %%eax) \n\t"
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|
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"movq %%mm1, (%5, %%eax) \n\t"
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|
|
|
"addl %6, %%eax \n\t"
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|
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"subl $4, %0 \n\t"
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" jnz 1b \n\t"
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|
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:"+g"(h)
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:"D"(pixels), "S"(pixels+line_size), "r"(pixels+line_size*2), "r" (block),
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"r" (block+line_size), "g"(line_size<<1)
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:"%eax", "memory");
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}
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static void DEF(avg_pixels)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
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{
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__asm __volatile(
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|
|
|
|
"xorl %%eax, %%eax \n\t"
|
|
|
|
|
".balign 16 \n\t"
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|
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"1: \n\t"
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|
|
|
|
"movq (%1, %%eax), %%mm0 \n\t"
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|
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"movq (%2, %%eax), %%mm2 \n\t"
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|
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"movq (%3, %%eax), %%mm3 \n\t"
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|
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"movq (%4, %%eax), %%mm4 \n\t"
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PAVGB" %%mm3, %%mm0 \n\t"
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PAVGB" %%mm4, %%mm2 \n\t"
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"movq %%mm0, (%3, %%eax) \n\t"
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|
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"movq %%mm2, (%4, %%eax) \n\t"
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|
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|
"addl %5, %%eax \n\t"
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|
|
|
"movq (%1, %%eax), %%mm0 \n\t"
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|
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|
"movq (%2, %%eax), %%mm2 \n\t"
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|
|
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|
"movq (%3, %%eax), %%mm3 \n\t"
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|
|
|
"movq (%4, %%eax), %%mm4 \n\t"
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|
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PAVGB" %%mm3, %%mm0 \n\t"
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|
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PAVGB" %%mm4, %%mm2 \n\t"
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|
|
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|
"movq %%mm0, (%3, %%eax) \n\t"
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|
|
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|
"movq %%mm2, (%4, %%eax) \n\t"
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|
|
|
|
"addl %5, %%eax \n\t"
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|
|
|
|
"subl $4, %0 \n\t"
|
|
|
|
|
" jnz 1b \n\t"
|
|
|
|
|
:"+g"(h)
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|
|
|
|
:"D"(pixels), "S"(pixels+line_size), "r" (block), "r" (block+line_size),
|
|
|
|
|
"g"(line_size<<1)
|
|
|
|
|
:"%eax", "memory");
|
|
|
|
|
}
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|
|
|
|
|
|
|
|
static void DEF(avg_pixels_x2)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
|
|
|
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|
{
|
|
|
|
|
__asm __volatile(
|
|
|
|
|
"xorl %%eax, %%eax \n\t"
|
|
|
|
|
".balign 16 \n\t"
|
|
|
|
|
"1: \n\t"
|
|
|
|
|
"movq (%1, %%eax), %%mm0 \n\t"
|
|
|
|
|
"movq 1(%1, %%eax), %%mm1 \n\t"
|
|
|
|
|
"movq (%2, %%eax), %%mm2 \n\t"
|
|
|
|
|
"movq 1(%2, %%eax), %%mm3 \n\t"
|
|
|
|
|
PAVGB" %%mm1, %%mm0 \n\t"
|
|
|
|
|
PAVGB" %%mm3, %%mm2 \n\t"
|
|
|
|
|
"movq (%3, %%eax), %%mm3 \n\t"
|
|
|
|
|
"movq (%4, %%eax), %%mm4 \n\t"
|
|
|
|
|
PAVGB" %%mm3, %%mm0 \n\t"
|
|
|
|
|
PAVGB" %%mm4, %%mm2 \n\t"
|
|
|
|
|
"movq %%mm0, (%3, %%eax) \n\t"
|
|
|
|
|
"movq %%mm2, (%4, %%eax) \n\t"
|
|
|
|
|
"addl %5, %%eax \n\t"
|
|
|
|
|
"movq (%1, %%eax), %%mm0 \n\t"
|
|
|
|
|
"movq 1(%1, %%eax), %%mm1 \n\t"
|
|
|
|
|
"movq (%2, %%eax), %%mm2 \n\t"
|
|
|
|
|
"movq 1(%2, %%eax), %%mm3 \n\t"
|
|
|
|
|
PAVGB" %%mm1, %%mm0 \n\t"
|
|
|
|
|
PAVGB" %%mm3, %%mm2 \n\t"
|
|
|
|
|
"movq (%3, %%eax), %%mm3 \n\t"
|
|
|
|
|
"movq (%4, %%eax), %%mm4 \n\t"
|
|
|
|
|
PAVGB" %%mm3, %%mm0 \n\t"
|
|
|
|
|
PAVGB" %%mm4, %%mm2 \n\t"
|
|
|
|
|
"movq %%mm0, (%3, %%eax) \n\t"
|
|
|
|
|
"movq %%mm2, (%4, %%eax) \n\t"
|
|
|
|
|
"addl %5, %%eax \n\t"
|
|
|
|
|
"subl $4, %0 \n\t"
|
|
|
|
|
" jnz 1b \n\t"
|
|
|
|
|
:"+g"(h)
|
|
|
|
|
:"D"(pixels), "S"(pixels+line_size), "r" (block), "r" (block+line_size),
|
|
|
|
|
"g"(line_size<<1)
|
|
|
|
|
:"%eax", "memory");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void DEF(avg_pixels_y2)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
|
|
|
|
|
{
|
|
|
|
|
__asm __volatile(
|
|
|
|
|
"xorl %%eax, %%eax \n\t"
|
|
|
|
|
"movq (%1), %%mm0 \n\t"
|
|
|
|
|
".balign 16 \n\t"
|
|
|
|
|
"1: \n\t"
|
|
|
|
|
"movq (%2, %%eax), %%mm1 \n\t"
|
|
|
|
|
"movq (%3, %%eax), %%mm2 \n\t"
|
|
|
|
|
PAVGB" %%mm1, %%mm0 \n\t"
|
|
|
|
|
PAVGB" %%mm2, %%mm1 \n\t"
|
|
|
|
|
"movq (%4, %%eax), %%mm3 \n\t"
|
|
|
|
|
"movq (%5, %%eax), %%mm4 \n\t"
|
|
|
|
|
PAVGB" %%mm3, %%mm0 \n\t"
|
|
|
|
|
PAVGB" %%mm4, %%mm1 \n\t"
|
|
|
|
|
"movq %%mm0, (%4, %%eax) \n\t"
|
|
|
|
|
"movq %%mm1, (%5, %%eax) \n\t"
|
|
|
|
|
"addl %6, %%eax \n\t"
|
|
|
|
|
"movq (%2, %%eax), %%mm1 \n\t"
|
|
|
|
|
"movq (%3, %%eax), %%mm0 \n\t"
|
|
|
|
|
PAVGB" %%mm1, %%mm2 \n\t"
|
|
|
|
|
PAVGB" %%mm0, %%mm1 \n\t"
|
|
|
|
|
"movq (%4, %%eax), %%mm3 \n\t"
|
|
|
|
|
"movq (%5, %%eax), %%mm4 \n\t"
|
|
|
|
|
PAVGB" %%mm3, %%mm2 \n\t"
|
|
|
|
|
PAVGB" %%mm4, %%mm1 \n\t"
|
|
|
|
|
"movq %%mm2, (%4, %%eax) \n\t"
|
|
|
|
|
"movq %%mm1, (%5, %%eax) \n\t"
|
|
|
|
|
"addl %6, %%eax \n\t"
|
|
|
|
|
"subl $4, %0 \n\t"
|
|
|
|
|
" jnz 1b \n\t"
|
|
|
|
|
:"+g"(h)
|
|
|
|
|
:"D"(pixels), "S"(pixels+line_size), "r"(pixels+line_size*2), "r" (block),
|
|
|
|
|
"r" (block+line_size), "g"(line_size<<1)
|
|
|
|
|
:"%eax", "memory");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Note this is not correctly rounded, but this function is only used for b frames so it doesnt matter
|
|
|
|
|
static void DEF(avg_pixels_xy2)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
|
|
|
|
|
{
|
|
|
|
|
__asm __volatile(
|
|
|
|
|
MOVQ_BONE(%%mm7)
|
|
|
|
|
"xorl %%eax, %%eax \n\t"
|
|
|
|
|
"movq (%1), %%mm0 \n\t"
|
|
|
|
|
"movq 1(%1), %%mm1 \n\t"
|
|
|
|
|
PAVGB" %%mm1, %%mm0 \n\t"
|
|
|
|
|
".balign 16 \n\t"
|
|
|
|
|
"1: \n\t"
|
|
|
|
|
"movq (%2, %%eax), %%mm1 \n\t"
|
|
|
|
|
"movq (%3, %%eax), %%mm2 \n\t"
|
|
|
|
|
"movq 1(%2, %%eax), %%mm3 \n\t"
|
|
|
|
|
"movq 1(%3, %%eax), %%mm4 \n\t"
|
|
|
|
|
"psubusb %%mm7, %%mm2 \n\t"
|
|
|
|
|
PAVGB" %%mm3, %%mm1 \n\t"
|
|
|
|
|
PAVGB" %%mm4, %%mm2 \n\t"
|
|
|
|
|
PAVGB" %%mm1, %%mm0 \n\t"
|
|
|
|
|
PAVGB" %%mm2, %%mm1 \n\t"
|
|
|
|
|
"movq (%4, %%eax), %%mm3 \n\t"
|
|
|
|
|
"movq (%5, %%eax), %%mm4 \n\t"
|
|
|
|
|
PAVGB" %%mm3, %%mm0 \n\t"
|
|
|
|
|
PAVGB" %%mm4, %%mm1 \n\t"
|
|
|
|
|
"movq %%mm0, (%4, %%eax) \n\t"
|
|
|
|
|
"movq %%mm1, (%5, %%eax) \n\t"
|
|
|
|
|
"addl %6, %%eax \n\t"
|
|
|
|
|
"movq (%2, %%eax), %%mm1 \n\t"
|
|
|
|
|
"movq (%3, %%eax), %%mm0 \n\t"
|
|
|
|
|
"movq 1(%2, %%eax), %%mm3 \n\t"
|
|
|
|
|
"movq 1(%3, %%eax), %%mm4 \n\t"
|
|
|
|
|
PAVGB" %%mm3, %%mm1 \n\t"
|
|
|
|
|
PAVGB" %%mm4, %%mm0 \n\t"
|
|
|
|
|
PAVGB" %%mm1, %%mm2 \n\t"
|
|
|
|
|
PAVGB" %%mm0, %%mm1 \n\t"
|
|
|
|
|
"movq (%4, %%eax), %%mm3 \n\t"
|
|
|
|
|
"movq (%5, %%eax), %%mm4 \n\t"
|
|
|
|
|
PAVGB" %%mm3, %%mm2 \n\t"
|
|
|
|
|
PAVGB" %%mm4, %%mm1 \n\t"
|
|
|
|
|
"movq %%mm2, (%4, %%eax) \n\t"
|
|
|
|
|
"movq %%mm1, (%5, %%eax) \n\t"
|
|
|
|
|
"addl %6, %%eax \n\t"
|
|
|
|
|
"subl $4, %0 \n\t"
|
|
|
|
|
" jnz 1b \n\t"
|
|
|
|
|
:"+g"(h)
|
|
|
|
|
:"D"(pixels), "S"(pixels+line_size), "r"(pixels+line_size*2), "r" (block),
|
|
|
|
|
"r" (block+line_size), "g"(line_size<<1)
|
|
|
|
|
:"%eax", "memory");
|
|
|
|
|
}
|
