XED
Main Page
Modules
Data Structures
Files
File List
Globals
All
Data Structures
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Macros
Groups
Pages
xed-get-time.h
Go to the documentation of this file.
1
/*BEGIN_LEGAL
2
Intel Open Source License
3
4
Copyright (c) 2002-2014 Intel Corporation. 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 are
8
met:
9
10
Redistributions of source code must retain the above copyright notice,
11
this list of conditions and the following disclaimer. Redistributions
12
in binary form must reproduce the above copyright notice, this list of
13
conditions and the following disclaimer in the documentation and/or
14
other materials provided with the distribution. Neither the name of
15
the Intel Corporation nor the names of its contributors may be used to
16
endorse or promote products derived from this software without
17
specific prior written permission.
18
19
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR
23
ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
END_LEGAL */
31
32
#if !defined(_XED_GET_TIME_H_)
33
# define _XED_GET_TIME_H_
34
35
# include "
xed-portability.h
"
36
# include "
xed-types.h
"
37
38
# if defined(__INTEL_COMPILER) && __INTEL_COMPILER > 810 && !defined(_M_IA64)
39
# include <ia32intrin.h>
40
# endif
41
# if defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 810 && !defined(_M_IA64)
42
# if __INTEL_COMPILER < 1000
43
# pragma intrinsic(__rdtsc)
44
# endif
45
# endif
46
# if !defined(__INTEL_COMPILER)
47
/* MSVS8 and later */
48
# if defined(_MSC_VER) && _MSC_VER >= 1400 && !defined(_M_IA64)
49
# include <intrin.h>
50
# pragma intrinsic(__rdtsc)
51
# endif
52
# endif
53
54
59
static
XED_INLINE
xed_uint64_t
xed_get_time
(
void
) {
60
xed_union64_t
ticks;
61
// __STRICT_ANSI__ comes from the -std=c99
62
# if defined(__GNUC__) //&& !defined(__STRICT_ANSI__)
63
# if defined(__i386__) || defined(i386) || defined(i686) || defined(__x86_64__)
64
__asm__
volatile
(
"rdtsc"
:
"=a"
(ticks.
s
.
lo32
),
"=d"
(ticks.
s
.
hi32
));
65
# define FOUND_RDTSC
66
# endif
67
# endif
68
# if defined(__INTEL_COMPILER) && __INTEL_COMPILER>=810 && !defined(_M_IA64)
69
ticks.
u64
= __rdtsc();
70
# define FOUND_RDTSC
71
# endif
72
# if !defined(__INTEL_COMPILER)
73
# if !defined(FOUND_RDTSC) && defined(_MSC_VER) && _MSC_VER >= 1400 && \
74
!defined(_M_IA64) && !defined(_MANAGED)
/* MSVS7, 8 */
75
ticks.
u64
= __rdtsc();
76
# define FOUND_RDTSC
77
# endif
78
# endif
79
# if !defined(FOUND_RDTSC)
80
ticks.
u64
= 0;
81
# endif
82
return
ticks.
u64
;
83
}
84
85
#endif
xed-types.h
xed_union64_t::hi32
xed_uint32_t hi32
Definition:
xed-types.h:130
xed_union64_t::u64
xed_uint64_t u64
Definition:
xed-types.h:132
xed_union64_t
Definition:
xed-types.h:103
xed_union64_t::s
struct xed_union64_t::@12 s
XED_INLINE
#define XED_INLINE
Definition:
xed-portability.h:177
xed_get_time
static XED_INLINE xed_uint64_t xed_get_time(void)
xed_get_time() must be compiled with gnu99 on linux to enable the asm() statements.
Definition:
xed-get-time.h:59
xed_union64_t::lo32
xed_uint32_t lo32
Definition:
xed-types.h:129
xed-portability.h
xed2-kit
include
xed-get-time.h
Generated on Tue Aug 12 2014 02:03:25 for XED by
1.8.7