/*

 * Copyright (c) 2005

 *	Eric Anholt.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 */

//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <liboil/liboilclasses.h>

#include <liboil/liboilfunction.h>

#include <emmintrin.h>

#define SSE_FUNCTION __attribute__((force_align_arg_pointer))

SSE_FUNCTION static void

copy_u8_sse (uint8_t *dest, const uint8_t *src, int n)

{

  for (; ((long)dest & 15) && (n > 0); n--) {

    *dest++ = *src++;

  }

  for (; n >= 16; n -= 16) {

    _mm_store_si128((__m128i *)dest, _mm_loadu_si128((__m128i *)src));

    src += 16;

    dest += 16;

  }

  for (; n > 0; n--) {

    *dest++ = *src++;

  }

}

OIL_DEFINE_IMPL_FULL (copy_u8_sse, copy_u8, OIL_IMPL_FLAG_SSE2);

SSE_FUNCTION static void

copy_u8_sse_unroll2 (uint8_t *dest, const uint8_t *src, int n)

{

  for (; ((long)dest & 15) && (n > 0); n--) {

    *dest++ = *src++;

  }

  for (; n >= 32; n -= 32) {

    _mm_store_si128((__m128i *)dest, _mm_loadu_si128((__m128i *)src));

    _mm_store_si128((__m128i *)(dest + 16), _mm_loadu_si128((__m128i *)(src + 16)));

    src += 32;

    dest += 32;

  }

  if (n >= 16) {

    _mm_store_si128((__m128i *)dest, _mm_loadu_si128((__m128i *)src));

    src += 16;

    dest += 16;

    n -= 16;

  }

  for (; n > 0; n--) {

    *dest++ = *src++;

  }

}

OIL_DEFINE_IMPL_FULL (copy_u8_sse_unroll2, copy_u8, OIL_IMPL_FLAG_SSE2);

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_copy_u8_sse, copy_u8() {

		return &_oil_function_impl_copy_u8_sse, copy_u8;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_copy_u8_sse_unroll2, copy_u8() {

		return &_oil_function_impl_copy_u8_sse_unroll2, copy_u8;

}

#endif