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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <liboil/liboilfunction.h>
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#include "liboil/simdpack/simdpack.h"
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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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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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sl@0
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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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" 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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sl@0
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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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" movq %%mm2, (%0) \n\t" /* store results */
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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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{
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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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"1: \n\t"
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" movq (%2), %%mm2 \n\t" /* (+3 misaligned) 8 reference pixels */
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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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" movq %%mm2, (%0) \n\t" /* store result */
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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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OIL_DEFINE_IMPL_FULL (recon8x8_inter_i386_mmx, recon8x8_inter, OIL_IMPL_FLAG_MMX);
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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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"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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" 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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OIL_DEFINE_IMPL_FULL (recon8x8_inter2_i386_mmx, recon8x8_inter2, OIL_IMPL_FLAG_MMX);
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#endif
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#ifdef __SYMBIAN32__
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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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#ifdef __SYMBIAN32__
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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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#ifdef __SYMBIAN32__
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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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