1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/*
*****************************************************************************
*
* Copyright (c) 2011, Advanced Micro Devices, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Advanced Micro Devices, Inc. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 ADVANCED MICRO DEVICES, INC. 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.
*
* ***************************************************************************
*
*/
// helper.c - these functions are compiled separately because they redefine
// functions invoked directly by the compiler code generator.
// The Microsoft tools do not allow such functions to be compiled
// with the "Enable link-time code generation (/GL)" option. Compile
// this module without /GL to avoid a build failure LNK1237.
//
#if defined (_MSC_VER)
#include "Porting.h"
//---------------------------------------------------------------------------
void *memcpy (void *dest, const void *src, size_t bytes)
{
// Rep movsb is faster than a byte loop, but still quite slow
// for large operations. However, it is a good choice here because
// this function is intended for use by the compiler only. For
// large copy operations, call LibAmdMemCopy.
__movsb (dest, src, bytes);
return dest;
}
//---------------------------------------------------------------------------
void *memset (void *dest, int value, size_t bytes)
{
// Rep stosb is faster than a byte loop, but still quite slow
// for large operations. However, it is a good choice here because
// this function is intended for use by the compiler only. For
// large fill operations, call LibAmdMemFill.
__stosb (dest, value, bytes);
return dest;
}
//---------------------------------------------------------------------------
#endif
|
