1 /*

     2  * Copyright (c) 2005

     3  *	Eric Anholt.  All rights reserved.

     4  *

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

     6  * modification, are permitted provided that the following conditions

     7  * are met:

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

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

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

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

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

    13  *

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

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

    16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

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

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

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

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

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

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

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

    24  * SUCH DAMAGE.

    25  */

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

    27 

    28 #ifdef HAVE_CONFIG_H

    29 #include "config.h"

    30 #endif

    31 #include <liboil/liboilclasses.h>

    32 #include <liboil/liboilfunction.h>

    33 

    34 #ifdef HAVE_GCC_ASM             

    35 #include <mmintrin.h>  

    36 

    37 static void

    38 composite_add_u8_const_src_mmx (uint8_t *dest, uint8_t *src1_1, int n)

    39 {

    40   __m64 xmm0;

    41   uint8_t add = *src1_1;

    42 

    43   xmm0 = _mm_set1_pi8(add);

    44   for (; n >= 8; n -= 8) {

    45     *(__m64 *)dest = _mm_adds_pu8(xmm0, *(__m64 *)dest);

    46     dest += 8;

    47   }

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

    49     int val = *dest + add;

    50     if (val > 255)

    51       val = 255;

    52     *dest++ = val;

    53   }

    54   _mm_empty();

    55 }

    56 

    57 OIL_DEFINE_IMPL_FULL (composite_add_u8_const_src_mmx,

    58     composite_add_u8_const_src, OIL_IMPL_FLAG_MMX);

    59 #endif

    60 

    61 #if 0

    62 #ifdef	__SYMBIAN32__

    63  

    64 OilFunctionImpl* __oil_function_impl_composite_add_u8_const_src_mmx() {

    65 		return &_oil_function_impl_composite_add_u8_const_src_mmx;

    66 }

    67 #endif

    68 #endif