1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/genericopenlibs/liboil/src/mmx/copy_mmx.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,94 @@
1.4 +/*
1.5 + * Copyright (c) 2005
1.6 + * Eric Anholt. All rights reserved.
1.7 + *
1.8 + * Redistribution and use in source and binary forms, with or without
1.9 + * modification, are permitted provided that the following conditions
1.10 + * are met:
1.11 + * 1. Redistributions of source code must retain the above copyright
1.12 + * notice, this list of conditions and the following disclaimer.
1.13 + * 2. Redistributions in binary form must reproduce the above copyright
1.14 + * notice, this list of conditions and the following disclaimer in the
1.15 + * documentation and/or other materials provided with the distribution.
1.16 + *
1.17 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
1.18 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.19 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.20 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
1.21 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.22 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.23 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.24 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.25 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.26 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.27 + * SUCH DAMAGE.
1.28 + */
1.29 +//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
1.30 +
1.31 +#ifdef HAVE_CONFIG_H
1.32 +#include "config.h"
1.33 +#endif
1.34 +#include <liboil/liboilclasses.h>
1.35 +#include <liboil/liboilfunction.h>
1.36 +
1.37 +#ifdef HAVE_GCC_ASM
1.38 +#include <mmintrin.h>
1.39 +#endif
1.40 +
1.41 +static void
1.42 +copy_u8_mmx (uint8_t *dest, const uint8_t *src, int n)
1.43 +{
1.44 +#ifdef HAVE_GCC_ASM
1.45 + for (; n >= 8; n -= 8) {
1.46 + *(__m64 *)dest = *(__m64 *)src;
1.47 + src += 8;
1.48 + dest += 8;
1.49 + }
1.50 + for (; n > 0; n--) {
1.51 + *dest++ = *src++;
1.52 + }
1.53 + _mm_empty();
1.54 +#endif
1.55 +}
1.56 +OIL_DEFINE_IMPL_FULL (copy_u8_mmx, copy_u8, OIL_IMPL_FLAG_MMX);
1.57 +
1.58 +static void
1.59 +copy_u8_mmx_unroll4 (uint8_t *dest, const uint8_t *src, int n)
1.60 +{
1.61 +#ifdef HAVE_GCC_ASM
1.62 + for (; n >= 32; n -= 32) {
1.63 + ((__m64 *)dest)[0] = ((__m64 *)src)[0];
1.64 + ((__m64 *)dest)[1] = ((__m64 *)src)[1];
1.65 + ((__m64 *)dest)[2] = ((__m64 *)src)[2];
1.66 + ((__m64 *)dest)[3] = ((__m64 *)src)[3];
1.67 + src += 32;
1.68 + dest += 32;
1.69 + }
1.70 + for (; n >= 8; n -= 8) {
1.71 + *(__m64 *)dest = *(__m64 *)src;
1.72 + src += 8;
1.73 + dest += 8;
1.74 + }
1.75 + for (; n > 0; n--) {
1.76 + *dest++ = *src++;
1.77 + }
1.78 + _mm_empty();
1.79 +#endif
1.80 +}
1.81 +OIL_DEFINE_IMPL_FULL (copy_u8_mmx_unroll4, copy_u8, OIL_IMPL_FLAG_MMX);
1.82 +
1.83 +
1.84 +#ifdef __SYMBIAN32__
1.85 +
1.86 +OilFunctionImpl* __oil_function_impl_copy_u8_mmx() {
1.87 + return &_oil_function_impl_copy_u8_mmx;
1.88 +}
1.89 +#endif
1.90 +
1.91 +#ifdef __SYMBIAN32__
1.92 +
1.93 +OilFunctionImpl* __oil_function_impl_copy_u8_mmx_unroll4() {
1.94 + return &_oil_function_impl_copy_u8_mmx_unroll4;
1.95 +}
1.96 +#endif
1.97 +