genericopenlibs/liboil/src/i386/mult8x8_i386.c
changeset 31 ce057bb09d0b
parent 18 47c74d1534e1
equal deleted inserted replaced
30:e20de85af2ee 31:ce057bb09d0b
       
     1 /*
       
     2  * LIBOIL - Library of Optimized Inner Loops
       
     3  * Copyright (c) 2003,2004 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/simdpack/simdpack.h"
       
    35 
       
    36 #include <math.h>
       
    37 
       
    38 
       
    39 static void
       
    40 mult8x8_s16_mmx(int16_t *dest, int16_t *src1, int16_t *src2, int dstr, int sstr1,
       
    41     int sstr2)
       
    42 {
       
    43 #if !defined(__WINSCW__) && !defined(__WINS__)      
       
    44         asm volatile(
       
    45             "  movq 0(%1), %%mm0 \n"
       
    46             "  pmullw 0(%2), %%mm0 \n"
       
    47             "  movq %%mm0, 0(%0) \n"
       
    48             "  movq 8(%1), %%mm1 \n"
       
    49             "  pmullw 8(%2), %%mm1 \n"
       
    50             "  movq %%mm1, 8(%0) \n"
       
    51 
       
    52             "  add %3, %0 \n"
       
    53             "  add %4, %1 \n"
       
    54             "  add %5, %2 \n"
       
    55 
       
    56             "  movq 0(%1), %%mm0 \n"
       
    57             "  pmullw 0(%2), %%mm0 \n"
       
    58             "  movq %%mm0, 0(%0) \n"
       
    59             "  movq 8(%1), %%mm1 \n"
       
    60             "  pmullw 8(%2), %%mm1 \n"
       
    61             "  movq %%mm1, 8(%0) \n"
       
    62 
       
    63             "  add %3, %0 \n"
       
    64             "  add %4, %1 \n"
       
    65             "  add %5, %2 \n"
       
    66 
       
    67             "  movq 0(%1), %%mm0 \n"
       
    68             "  pmullw 0(%2), %%mm0 \n"
       
    69             "  movq %%mm0, 0(%0) \n"
       
    70             "  movq 8(%1), %%mm1 \n"
       
    71             "  pmullw 8(%2), %%mm1 \n"
       
    72             "  movq %%mm1, 8(%0) \n"
       
    73 
       
    74             "  add %3, %0 \n"
       
    75             "  add %4, %1 \n"
       
    76             "  add %5, %2 \n"
       
    77 
       
    78             "  movq 0(%1), %%mm0 \n"
       
    79             "  pmullw 0(%2), %%mm0 \n"
       
    80             "  movq %%mm0, 0(%0) \n"
       
    81             "  movq 8(%1), %%mm1 \n"
       
    82             "  pmullw 8(%2), %%mm1 \n"
       
    83             "  movq %%mm1, 8(%0) \n"
       
    84 
       
    85             "  add %3, %0 \n"
       
    86             "  add %4, %1 \n"
       
    87             "  add %5, %2 \n"
       
    88 
       
    89             "  movq 0(%1), %%mm0 \n"
       
    90             "  pmullw 0(%2), %%mm0 \n"
       
    91             "  movq %%mm0, 0(%0) \n"
       
    92             "  movq 8(%1), %%mm1 \n"
       
    93             "  pmullw 8(%2), %%mm1 \n"
       
    94             "  movq %%mm1, 8(%0) \n"
       
    95 
       
    96             "  add %3, %0 \n"
       
    97             "  add %4, %1 \n"
       
    98             "  add %5, %2 \n"
       
    99 
       
   100             "  movq 0(%1), %%mm0 \n"
       
   101             "  pmullw 0(%2), %%mm0 \n"
       
   102             "  movq %%mm0, 0(%0) \n"
       
   103             "  movq 8(%1), %%mm1 \n"
       
   104             "  pmullw 8(%2), %%mm1 \n"
       
   105             "  movq %%mm1, 8(%0) \n"
       
   106 
       
   107             "  add %3, %0 \n"
       
   108             "  add %4, %1 \n"
       
   109             "  add %5, %2 \n"
       
   110 
       
   111             "  movq 0(%1), %%mm0 \n"
       
   112             "  pmullw 0(%2), %%mm0 \n"
       
   113             "  movq %%mm0, 0(%0) \n"
       
   114             "  movq 8(%1), %%mm1 \n"
       
   115             "  pmullw 8(%2), %%mm1 \n"
       
   116             "  movq %%mm1, 8(%0) \n"
       
   117 
       
   118             "  add %3, %0 \n"
       
   119             "  add %4, %1 \n"
       
   120             "  add %5, %2 \n"
       
   121 
       
   122             "  movq 0(%1), %%mm0 \n"
       
   123             "  pmullw 0(%2), %%mm0 \n"
       
   124             "  movq %%mm0, 0(%0) \n"
       
   125             "  movq 8(%1), %%mm1 \n"
       
   126             "  pmullw 8(%2), %%mm1 \n"
       
   127             "  movq %%mm1, 8(%0) \n"
       
   128             "  emms\n "
       
   129 
       
   130             : "+r" (dest), "+r" (src1), "+r" (src2)
       
   131             : "m" (dstr), "m" (sstr1), "m" (sstr2));
       
   132 #endif
       
   133 }
       
   134 
       
   135 OIL_DEFINE_IMPL_FULL (mult8x8_s16_mmx, mult8x8_s16, OIL_IMPL_FLAG_MMX);
       
   136 
       
   137 
       
   138 
       
   139 #ifdef	__SYMBIAN32__
       
   140  
       
   141 OilFunctionImpl* __oil_function_impl_mult8x8_s16_mmx, mult8x8_s16() {
       
   142 		return &_oil_function_impl_mult8x8_s16_mmx, mult8x8_s16;
       
   143 }
       
   144 #endif
       
   145