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/*
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* Copyright (c) 2005
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* Eric Anholt. 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
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* 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/liboilclasses.h>
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#include <liboil/liboilfunction.h>
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#ifdef HAVE_GCC_ASM
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#include <mmintrin.h>
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#endif
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static void
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copy_u8_mmx (uint8_t *dest, const uint8_t *src, int n)
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{
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#ifdef HAVE_GCC_ASM
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for (; n >= 8; n -= 8) {
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*(__m64 *)dest = *(__m64 *)src;
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src += 8;
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dest += 8;
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}
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for (; n > 0; n--) {
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*dest++ = *src++;
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}
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_mm_empty();
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#endif
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}
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OIL_DEFINE_IMPL_FULL (copy_u8_mmx, copy_u8, OIL_IMPL_FLAG_MMX);
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static void
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copy_u8_mmx_unroll4 (uint8_t *dest, const uint8_t *src, int n)
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{
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#ifdef HAVE_GCC_ASM
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for (; n >= 32; n -= 32) {
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((__m64 *)dest)[0] = ((__m64 *)src)[0];
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((__m64 *)dest)[1] = ((__m64 *)src)[1];
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((__m64 *)dest)[2] = ((__m64 *)src)[2];
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((__m64 *)dest)[3] = ((__m64 *)src)[3];
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src += 32;
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dest += 32;
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}
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for (; n >= 8; n -= 8) {
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*(__m64 *)dest = *(__m64 *)src;
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src += 8;
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dest += 8;
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}
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for (; n > 0; n--) {
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*dest++ = *src++;
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}
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_mm_empty();
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#endif
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}
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OIL_DEFINE_IMPL_FULL (copy_u8_mmx_unroll4, copy_u8, OIL_IMPL_FLAG_MMX);
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#ifdef __SYMBIAN32__
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OilFunctionImpl* __oil_function_impl_copy_u8_mmx() {
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return &_oil_function_impl_copy_u8_mmx;
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}
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#endif
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#ifdef __SYMBIAN32__
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OilFunctionImpl* __oil_function_impl_copy_u8_mmx_unroll4() {
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return &_oil_function_impl_copy_u8_mmx_unroll4;
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}
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#endif
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