genericopenlibs/liboil/src/mmx/composite_mmx.c
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 17 Sep 2010 08:38:54 +0300
changeset 63 a117ad66e027
parent 18 47c74d1534e1
permissions -rw-r--r--
Revision: 201037 Kit: 201037

/*
 * 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>

#ifdef HAVE_GCC_ASM             
#include <mmintrin.h>  

static void
composite_add_u8_const_src_mmx (uint8_t *dest, uint8_t *src1_1, int n)
{
  __m64 xmm0;
  uint8_t add = *src1_1;

  xmm0 = _mm_set1_pi8(add);
  for (; n >= 8; n -= 8) {
    *(__m64 *)dest = _mm_adds_pu8(xmm0, *(__m64 *)dest);
    dest += 8;
  }
  for (; n > 0; n--) {
    int val = *dest + add;
    if (val > 255)
      val = 255;
    *dest++ = val;
  }
  _mm_empty();
}

OIL_DEFINE_IMPL_FULL (composite_add_u8_const_src_mmx,
    composite_add_u8_const_src, OIL_IMPL_FLAG_MMX);
#endif

#if 0
#ifdef	__SYMBIAN32__
 
OilFunctionImpl* __oil_function_impl_composite_add_u8_const_src_mmx() {
		return &_oil_function_impl_composite_add_u8_const_src_mmx;
}
#endif
#endif