author | hgs |
Tue, 02 Nov 2010 19:23:22 +0530 | |
changeset 79 | 564bc7b7ad27 |
parent 18 | 47c74d1534e1 |
permissions | -rw-r--r-- |
18
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/* |
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* LIBOIL - Library of Optimized Inner Loops |
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* Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. |
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|
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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|
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#include <liboil/liboilfunction.h> |
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#include "liboil/simdpack/simdpack.h" |
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|
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OIL_DECLARE_CLASS (recon8x8_intra); |
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OIL_DECLARE_CLASS (recon8x8_inter); |
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OIL_DECLARE_CLASS (recon8x8_inter2); |
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|
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const uint8_t c0x80[8] = { |
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 |
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}; |
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static void |
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recon8x8_intra_i386_mmx (uint8_t *dest, int ds, int16_t *change) |
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{ |
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#if !defined(__WINSCW__) && !defined(__WINS__) |
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__asm__ __volatile__ ( |
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" movq (%3), %%mm0 \n\t" /* Set mm0 to 0x8080808080808080 */ |
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|
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" lea 128(%1), %%edi \n\t" /* Endpoint in input buffer */ |
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"1: \n\t" |
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" movq (%1), %%mm2 \n\t" /* First four input values */ |
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|
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" packsswb 8(%1), %%mm2 \n\t" /* pack with next(high) four values */ |
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" por %%mm0, %%mm0 \n\t" |
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" pxor %%mm0, %%mm2 \n\t" /* Convert result to unsigned (same as add 128) */ |
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" lea 16(%1), %1 \n\t" /* Step source buffer */ |
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" cmp %%edi, %1 \n\t" /* are we done */ |
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|
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" movq %%mm2, (%0) \n\t" /* store results */ |
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|
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" lea (%0, %2), %0 \n\t" /* Step output buffer */ |
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" jc 1b \n\t" /* Loop back if we are not done */ |
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" emms \n\t" |
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: "+r" (dest) |
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: "r" (change), |
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"r" (ds), |
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"r" (c0x80) |
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: "memory", "edi" |
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); |
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#endif |
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} |
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OIL_DEFINE_IMPL_FULL (recon8x8_intra_i386_mmx, recon8x8_intra, OIL_IMPL_FLAG_MMX); |
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#if 0 |
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static void |
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recon8x8_inter_i386_mmx (uint8_t *dest, int ds, uint8_t *src, int ss, int16_t *change) |
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80 |
{ |
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/* FIXME doesn't handle ss */ |
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__asm__ __volatile__ ( |
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" pxor %%mm0, %%mm0 \n\t" |
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" lea 128(%1), %%edi \n\t" |
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|
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"1: \n\t" |
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" movq (%2), %%mm2 \n\t" /* (+3 misaligned) 8 reference pixels */ |
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|
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" movq (%1), %%mm4 \n\t" /* first 4 changes */ |
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" movq %%mm2, %%mm3 \n\t" |
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" movq 8(%1), %%mm5 \n\t" /* last 4 changes */ |
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" punpcklbw %%mm0, %%mm2 \n\t" /* turn first 4 refs into positive 16-bit #s */ |
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" paddsw %%mm4, %%mm2 \n\t" /* add in first 4 changes */ |
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" punpckhbw %%mm0, %%mm3 \n\t" /* turn last 4 refs into positive 16-bit #s */ |
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" paddsw %%mm5, %%mm3 \n\t" /* add in last 4 changes */ |
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" add %3, %2 \n\t" /* next row of reference pixels */ |
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" packuswb %%mm3, %%mm2 \n\t" /* pack result to unsigned 8-bit values */ |
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" lea 16(%1), %1 \n\t" /* next row of changes */ |
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" cmp %%edi, %1 \n\t" /* are we done? */ |
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|
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" movq %%mm2, (%0) \n\t" /* store result */ |
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102 |
|
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" lea (%0, %3), %0 \n\t" /* next row of output */ |
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" jc 1b \n\t" |
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" emms \n\t" |
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: "+r" (dest) |
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: "r" (change), |
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"r" (src), |
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"r" (ds) |
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: "memory", "edi" |
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); |
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} |
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|
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OIL_DEFINE_IMPL_FULL (recon8x8_inter_i386_mmx, recon8x8_inter, OIL_IMPL_FLAG_MMX); |
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|
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static void |
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recon8x8_inter2_i386_mmx (uint8_t *dest, int ds, uint8_t *s1, int ss1, uint8_t *s2, int ss2, int16_t *change) |
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{ |
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/* FIXME doesn't handle ss1, ss2 */ |
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__asm__ __volatile__ ( |
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" pxor %%mm0, %%mm0 \n\t" |
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" lea 128(%1), %%edi \n\t" |
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123 |
|
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"1: \n\t" |
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" movq (%2), %%mm2 \n\t" /* (+3 misaligned) 8 reference pixels */ |
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" movq (%3), %%mm4 \n\t" /* (+3 misaligned) 8 reference pixels */ |
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127 |
|
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" movq %%mm2, %%mm3 \n\t" |
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" punpcklbw %%mm0, %%mm2 \n\t" /* mm2 = start ref1 as positive 16-bit #s */ |
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" movq %%mm4, %%mm5 \n\t" |
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" movq (%1), %%mm6 \n\t" /* first 4 changes */ |
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" punpckhbw %%mm0, %%mm3 \n\t" /* mm3 = end ref1 as positive 16-bit #s */ |
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" movq 8(%1), %%mm7 \n\t" /* last 4 changes */ |
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" punpcklbw %%mm0, %%mm4 \n\t" /* mm4 = start ref2 as positive 16-bit #s */ |
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" punpckhbw %%mm0, %%mm5 \n\t" /* mm5 = end ref2 as positive 16-bit #s */ |
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" paddw %%mm4, %%mm2 \n\t" /* mm2 = start (ref1 + ref2) */ |
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" paddw %%mm5, %%mm3 \n\t" /* mm3 = end (ref1 + ref2) */ |
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" psrlw $1, %%mm2 \n\t" /* mm2 = start (ref1 + ref2)/2 */ |
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" psrlw $1, %%mm3 \n\t" /* mm3 = end (ref1 + ref2)/2 */ |
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" paddw %%mm6, %%mm2 \n\t" /* add changes to start */ |
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" paddw %%mm7, %%mm3 \n\t" /* add changes to end */ |
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" lea 16(%1), %1 \n\t" /* next row of changes */ |
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" packuswb %%mm3, %%mm2 \n\t" /* pack start|end to unsigned 8-bit */ |
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" add %4, %2 \n\t" /* next row of reference pixels */ |
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" add %4, %3 \n\t" /* next row of reference pixels */ |
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" movq %%mm2, (%0) \n\t" /* store result */ |
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" add %4, %0 \n\t" /* next row of output */ |
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" cmp %%edi, %1 \n\t" /* are we done? */ |
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" jc 1b \n\t" |
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" emms \n\t" |
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: "+r" (dest) |
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: "r" (change), |
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"r" (s1), |
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"r" (s2), |
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"m" (ds) |
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: "memory", "edi" |
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); |
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} |
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|
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OIL_DEFINE_IMPL_FULL (recon8x8_inter2_i386_mmx, recon8x8_inter2, OIL_IMPL_FLAG_MMX); |
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#endif |
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|
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163 |
|
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#ifdef __SYMBIAN32__ |
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|
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OilFunctionImpl* __oil_function_impl_recon8x8_intra_i386_mmx, recon8x8_intra() { |
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return &_oil_function_impl_recon8x8_intra_i386_mmx, recon8x8_intra; |
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} |
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#endif |
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|
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#ifdef __SYMBIAN32__ |
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|
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OilFunctionImpl* __oil_function_impl_recon8x8_inter_i386_mmx, recon8x8_inter() { |
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return &_oil_function_impl_recon8x8_inter_i386_mmx, recon8x8_inter; |
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} |
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#endif |
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|
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#ifdef __SYMBIAN32__ |
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|
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OilFunctionImpl* __oil_function_impl_recon8x8_inter2_i386_mmx, recon8x8_inter2() { |
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return &_oil_function_impl_recon8x8_inter2_i386_mmx, recon8x8_inter2; |
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} |
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#endif |
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184 |