genericopenlibs/liboil/src/i386/splat_i386.c
changeset 18 47c74d1534e1
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0:e4d67989cc36 18:47c74d1534e1
       
     1 /*
       
     2  * LIBOIL - Library of Optimized Inner Loops
       
     3  * Copyright (c) 2004 David A. Schleef <ds@schleef.org>
       
     4  * All rights reserved.
       
     5  *
       
     6  * Redistribution and use in source and binary forms, with or without
       
     7  * modification, are permitted provided that the following conditions
       
     8  * are met:
       
     9  * 1. Redistributions of source code must retain the above copyright
       
    10  *    notice, this list of conditions and the following disclaimer.
       
    11  * 2. Redistributions in binary form must reproduce the above copyright
       
    12  *    notice, this list of conditions and the following disclaimer in the
       
    13  *    documentation and/or other materials provided with the distribution.
       
    14  * 
       
    15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
       
    16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
       
    17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
       
    18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
       
    19  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
       
    20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
       
    21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
       
    22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
       
    23  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
       
    24  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
       
    25  * POSSIBILITY OF SUCH DAMAGE.
       
    26  */
       
    27 //Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
       
    28 
       
    29 #ifdef HAVE_CONFIG_H
       
    30 #include "config.h"
       
    31 #endif
       
    32 
       
    33 #include <liboil/liboilfunction.h>
       
    34 #include <liboil/liboilfunction.h>
       
    35 
       
    36 OIL_DECLARE_CLASS(splat_u32_ns);
       
    37 
       
    38 static void
       
    39 splat_u32_ns_i386_mmx (uint32_t *dest, uint32_t *src, int n)
       
    40 {
       
    41 #if !defined(__WINSCW__) && !defined(__WINS__)
       
    42   while(n&0x7) {
       
    43     *dest++ = *src;
       
    44     n--;
       
    45   }
       
    46   if (n) asm volatile (
       
    47       "  mov $0, %%eax\n"
       
    48       "  movq (%1), %%mm0\n"
       
    49       "  punpckldq (%1), %%mm0\n"
       
    50       "1:\n"
       
    51       "  movntq %%mm0, (%0,%%eax)\n"
       
    52       "  movntq %%mm0, 8(%0,%%eax)\n"
       
    53       "  movntq %%mm0, 16(%0,%%eax)\n"
       
    54       "  movntq %%mm0, 24(%0,%%eax)\n"
       
    55       "  add $32, %%eax\n"
       
    56       "  decl %%ecx\n"
       
    57       "  jne 1b\n"
       
    58       "  sfence\n"
       
    59       "  emms\n"
       
    60       : "+r" (dest), "+r" (src)
       
    61       : "c" (n/8)
       
    62       : "eax");
       
    63 #endif  
       
    64 }
       
    65 OIL_DEFINE_IMPL_FULL (splat_u32_ns_i386_mmx, splat_u32_ns, OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);
       
    66 
       
    67 
       
    68 
       
    69 
       
    70 
       
    71 #ifdef	__SYMBIAN32__
       
    72  
       
    73 OilFunctionImpl* __oil_function_impl_splat_u32_ns_i386_mmx, splat_u32_ns() {
       
    74 		return &_oil_function_impl_splat_u32_ns_i386_mmx, splat_u32_ns;
       
    75 }
       
    76 #endif
       
    77