1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/genericopenlibs/liboil/src/i386/recon8x8_i386.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,184 @@
1.4 +/*
1.5 + * LIBOIL - Library of Optimized Inner Loops
1.6 + * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
1.7 + * All rights reserved.
1.8 + *
1.9 + * Redistribution and use in source and binary forms, with or without
1.10 + * modification, are permitted provided that the following conditions
1.11 + * are met:
1.12 + * 1. Redistributions of source code must retain the above copyright
1.13 + * notice, this list of conditions and the following disclaimer.
1.14 + * 2. Redistributions in binary form must reproduce the above copyright
1.15 + * notice, this list of conditions and the following disclaimer in the
1.16 + * documentation and/or other materials provided with the distribution.
1.17 + *
1.18 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
1.19 + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
1.20 + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.21 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
1.22 + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
1.23 + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
1.24 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.25 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
1.26 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
1.27 + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.28 + * POSSIBILITY OF SUCH DAMAGE.
1.29 + */
1.30 +//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
1.31 +
1.32 +#ifdef HAVE_CONFIG_H
1.33 +#include "config.h"
1.34 +#endif
1.35 +
1.36 +#include <liboil/liboilfunction.h>
1.37 +#include "liboil/simdpack/simdpack.h"
1.38 +
1.39 +OIL_DECLARE_CLASS (recon8x8_intra);
1.40 +OIL_DECLARE_CLASS (recon8x8_inter);
1.41 +OIL_DECLARE_CLASS (recon8x8_inter2);
1.42 +
1.43 +const uint8_t c0x80[8] = {
1.44 + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80
1.45 +};
1.46 +
1.47 +static void
1.48 +recon8x8_intra_i386_mmx (uint8_t *dest, int ds, int16_t *change)
1.49 +{
1.50 +#if !defined(__WINSCW__) && !defined(__WINS__)
1.51 + __asm__ __volatile__ (
1.52 + " movq (%3), %%mm0 \n\t" /* Set mm0 to 0x8080808080808080 */
1.53 +
1.54 + " lea 128(%1), %%edi \n\t" /* Endpoint in input buffer */
1.55 + "1: \n\t"
1.56 + " movq (%1), %%mm2 \n\t" /* First four input values */
1.57 +
1.58 + " packsswb 8(%1), %%mm2 \n\t" /* pack with next(high) four values */
1.59 + " por %%mm0, %%mm0 \n\t"
1.60 + " pxor %%mm0, %%mm2 \n\t" /* Convert result to unsigned (same as add 128) */
1.61 + " lea 16(%1), %1 \n\t" /* Step source buffer */
1.62 + " cmp %%edi, %1 \n\t" /* are we done */
1.63 +
1.64 + " movq %%mm2, (%0) \n\t" /* store results */
1.65 +
1.66 + " lea (%0, %2), %0 \n\t" /* Step output buffer */
1.67 + " jc 1b \n\t" /* Loop back if we are not done */
1.68 + " emms \n\t"
1.69 + : "+r" (dest)
1.70 + : "r" (change),
1.71 + "r" (ds),
1.72 + "r" (c0x80)
1.73 + : "memory", "edi"
1.74 + );
1.75 +#endif
1.76 +}
1.77 +
1.78 +OIL_DEFINE_IMPL_FULL (recon8x8_intra_i386_mmx, recon8x8_intra, OIL_IMPL_FLAG_MMX);
1.79 +
1.80 +#if 0
1.81 +static void
1.82 +recon8x8_inter_i386_mmx (uint8_t *dest, int ds, uint8_t *src, int ss, int16_t *change)
1.83 +{
1.84 + /* FIXME doesn't handle ss */
1.85 + __asm__ __volatile__ (
1.86 + " pxor %%mm0, %%mm0 \n\t"
1.87 + " lea 128(%1), %%edi \n\t"
1.88 +
1.89 + "1: \n\t"
1.90 + " movq (%2), %%mm2 \n\t" /* (+3 misaligned) 8 reference pixels */
1.91 +
1.92 + " movq (%1), %%mm4 \n\t" /* first 4 changes */
1.93 + " movq %%mm2, %%mm3 \n\t"
1.94 + " movq 8(%1), %%mm5 \n\t" /* last 4 changes */
1.95 + " punpcklbw %%mm0, %%mm2 \n\t" /* turn first 4 refs into positive 16-bit #s */
1.96 + " paddsw %%mm4, %%mm2 \n\t" /* add in first 4 changes */
1.97 + " punpckhbw %%mm0, %%mm3 \n\t" /* turn last 4 refs into positive 16-bit #s */
1.98 + " paddsw %%mm5, %%mm3 \n\t" /* add in last 4 changes */
1.99 + " add %3, %2 \n\t" /* next row of reference pixels */
1.100 + " packuswb %%mm3, %%mm2 \n\t" /* pack result to unsigned 8-bit values */
1.101 + " lea 16(%1), %1 \n\t" /* next row of changes */
1.102 + " cmp %%edi, %1 \n\t" /* are we done? */
1.103 +
1.104 + " movq %%mm2, (%0) \n\t" /* store result */
1.105 +
1.106 + " lea (%0, %3), %0 \n\t" /* next row of output */
1.107 + " jc 1b \n\t"
1.108 + " emms \n\t"
1.109 + : "+r" (dest)
1.110 + : "r" (change),
1.111 + "r" (src),
1.112 + "r" (ds)
1.113 + : "memory", "edi"
1.114 + );
1.115 +}
1.116 +
1.117 +OIL_DEFINE_IMPL_FULL (recon8x8_inter_i386_mmx, recon8x8_inter, OIL_IMPL_FLAG_MMX);
1.118 +
1.119 +static void
1.120 +recon8x8_inter2_i386_mmx (uint8_t *dest, int ds, uint8_t *s1, int ss1, uint8_t *s2, int ss2, int16_t *change)
1.121 +{
1.122 + /* FIXME doesn't handle ss1, ss2 */
1.123 + __asm__ __volatile__ (
1.124 + " pxor %%mm0, %%mm0 \n\t"
1.125 + " lea 128(%1), %%edi \n\t"
1.126 +
1.127 + "1: \n\t"
1.128 + " movq (%2), %%mm2 \n\t" /* (+3 misaligned) 8 reference pixels */
1.129 + " movq (%3), %%mm4 \n\t" /* (+3 misaligned) 8 reference pixels */
1.130 +
1.131 + " movq %%mm2, %%mm3 \n\t"
1.132 + " punpcklbw %%mm0, %%mm2 \n\t" /* mm2 = start ref1 as positive 16-bit #s */
1.133 + " movq %%mm4, %%mm5 \n\t"
1.134 + " movq (%1), %%mm6 \n\t" /* first 4 changes */
1.135 + " punpckhbw %%mm0, %%mm3 \n\t" /* mm3 = end ref1 as positive 16-bit #s */
1.136 + " movq 8(%1), %%mm7 \n\t" /* last 4 changes */
1.137 + " punpcklbw %%mm0, %%mm4 \n\t" /* mm4 = start ref2 as positive 16-bit #s */
1.138 + " punpckhbw %%mm0, %%mm5 \n\t" /* mm5 = end ref2 as positive 16-bit #s */
1.139 + " paddw %%mm4, %%mm2 \n\t" /* mm2 = start (ref1 + ref2) */
1.140 + " paddw %%mm5, %%mm3 \n\t" /* mm3 = end (ref1 + ref2) */
1.141 + " psrlw $1, %%mm2 \n\t" /* mm2 = start (ref1 + ref2)/2 */
1.142 + " psrlw $1, %%mm3 \n\t" /* mm3 = end (ref1 + ref2)/2 */
1.143 + " paddw %%mm6, %%mm2 \n\t" /* add changes to start */
1.144 + " paddw %%mm7, %%mm3 \n\t" /* add changes to end */
1.145 + " lea 16(%1), %1 \n\t" /* next row of changes */
1.146 + " packuswb %%mm3, %%mm2 \n\t" /* pack start|end to unsigned 8-bit */
1.147 + " add %4, %2 \n\t" /* next row of reference pixels */
1.148 + " add %4, %3 \n\t" /* next row of reference pixels */
1.149 + " movq %%mm2, (%0) \n\t" /* store result */
1.150 + " add %4, %0 \n\t" /* next row of output */
1.151 + " cmp %%edi, %1 \n\t" /* are we done? */
1.152 + " jc 1b \n\t"
1.153 + " emms \n\t"
1.154 + : "+r" (dest)
1.155 + : "r" (change),
1.156 + "r" (s1),
1.157 + "r" (s2),
1.158 + "m" (ds)
1.159 + : "memory", "edi"
1.160 + );
1.161 +}
1.162 +
1.163 +OIL_DEFINE_IMPL_FULL (recon8x8_inter2_i386_mmx, recon8x8_inter2, OIL_IMPL_FLAG_MMX);
1.164 +#endif
1.165 +
1.166 +
1.167 +#ifdef __SYMBIAN32__
1.168 +
1.169 +OilFunctionImpl* __oil_function_impl_recon8x8_intra_i386_mmx, recon8x8_intra() {
1.170 + return &_oil_function_impl_recon8x8_intra_i386_mmx, recon8x8_intra;
1.171 +}
1.172 +#endif
1.173 +
1.174 +#ifdef __SYMBIAN32__
1.175 +
1.176 +OilFunctionImpl* __oil_function_impl_recon8x8_inter_i386_mmx, recon8x8_inter() {
1.177 + return &_oil_function_impl_recon8x8_inter_i386_mmx, recon8x8_inter;
1.178 +}
1.179 +#endif
1.180 +
1.181 +#ifdef __SYMBIAN32__
1.182 +
1.183 +OilFunctionImpl* __oil_function_impl_recon8x8_inter2_i386_mmx, recon8x8_inter2() {
1.184 + return &_oil_function_impl_recon8x8_inter2_i386_mmx, recon8x8_inter2;
1.185 +}
1.186 +#endif
1.187 +