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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
# special macros SpecialMacros.cmake
include(CheckFunctionExists)
include(AddFileDependencies)
#macro(special_add_library lib)
# if (WIN32)
# add_library(${lib} STATIC ${ARGN})
# else (WIN32)
# add_library(${lib} SHARED ${ARGN})
# endif (WIN32)
#endmacro(special_add_library)
macro(special_check_for_sse _max_sse_level_desired)
set(${_max_sse_level_desired})
message(STATUS "Max SSE desired: [${_max_sse_level_desired}]")
# check for SSE extensions
include(CheckCXXSourceRuns)
include(CheckCSourceRuns)
IF(NOT MINGW)
if( CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX )
set(SSE_FLAGS)
set(CMAKE_REQUIRED_FLAGS "-msse3")
check_cxx_source_runs("
#include <pmmintrin.h>
int main()
{
__m128d a, b;
double vals[2] = {0};
a = _mm_loadu_pd(vals);
b = _mm_hadd_pd(a,a);
_mm_storeu_pd(vals, b);
return 0;
}"
HAS_SSE3_EXTENSIONS)
set(CMAKE_REQUIRED_FLAGS "-msse2")
check_cxx_source_runs("
#include <emmintrin.h>
int main()
{
__m128d a, b;
double vals[2] = {0};
a = _mm_loadu_pd(vals);
b = _mm_add_pd(a,a);
_mm_storeu_pd(vals,b);
return 0;
}"
HAS_SSE2_EXTENSIONS)
set(CMAKE_REQUIRED_FLAGS "-msse")
check_cxx_source_runs("
#include <xmmintrin.h>
int main()
{
__m128 a, b;
float vals[4] = {0};
a = _mm_loadu_ps(vals);
b = a;
b = _mm_add_ps(a,b);
_mm_storeu_ps(vals,b);
return 0;
}"
HAS_SSE_EXTENSIONS)
ELSE()
set(HAS_SSE_EXTENSIONS ON)
ENDIF()
set(CMAKE_REQUIRED_FLAGS)
if(HAS_SSE3_EXTENSIONS AND (${_max_sse_level_desired} MATCHES "3"))
set(SSE_FLAGS "-msse3")
IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
ELSE()
set(SSE_FLAGS "${SSE_FLAGS} -mfpmath=sse")
ENDIF()
message(STATUS "Found SSE3 extensions, using flags: ${SSE_FLAGS}")
elseif(HAS_SSE2_EXTENSIONS AND (${_max_sse_level_desired} MATCHES "2" OR ${_max_sse_level_desired} MATCHES "3"))
set(SSE_FLAGS "-msse2")
IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
ELSE()
set(SSE_FLAGS "${SSE_FLAGS} -mfpmath=sse")
ENDIF()
message(STATUS "Found SSE2 extensions, using flags: ${SSE_FLAGS}")
elseif(HAS_SSE_EXTENSIONS AND (${_max_sse_level_desired} MATCHES "1" OR ${_max_sse_level_desired} MATCHES "2" OR ${_max_sse_level_desired} MATCHES "3"))
set(SSE_FLAGS "-msse")
IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
ELSE()
set(SSE_FLAGS "${SSE_FLAGS} -mfpmath=sse")
ENDIF()
message(STATUS "Found SSE extensions, using flags: ${SSE_FLAGS}")
endif()
add_definitions(${SSE_FLAGS})
elseif(MSVC)
check_cxx_source_runs("
#include <emmintrin.h>
int main()
{
__m128d a, b;
double vals[2] = {0};
a = _mm_loadu_pd(vals);
b = _mm_add_pd(a,a);
_mm_storeu_pd(vals,b);
return 0;
}"
HAS_SSE2_EXTENSIONS)
if( HAS_SSE2_EXTENSIONS AND (NOT ${_max_sse_level_desired} OR ${_max_sse_level_desired} MATCHES "2"))
message(STATUS "Found SSE2 extensions")
set(SSE_FLAGS "/arch:SSE2 /fp:fast -D__SSE__ -D__SSE2__" )
endif()
add_definitions(${SSE_FLAGS})
endif()
endmacro(special_check_for_sse)
macro(special_check_for_x87)
# check for X87 support
include(CheckCXXSourceRuns)
include(CheckCSourceRuns)
if( CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX )
IF(NOT MINGW)
check_cxx_source_runs("
int main()
{
unsigned short fpu_mode;
do { asm volatile (\"fstcw %0\" : \"=m\" (fpu_mode) : ); } while (0);
fpu_mode &= 0xFCFF;
do { asm volatile (\"fclex \\\\n fldcw %0\" : : \"m\" (fpu_mode)); } while (0);
return 0;
}"
HAS_X87_SUPPORT)
ELSE()
set(HAS_X87_SUPPORT On)
ENDIF()
if(HAS_X87_SUPPORT)
message(STATUS "Found X87 support.")
endif()
elseif(MSVC)
set(HAS_X87_SUPPORT On)
endif()
endmacro(special_check_for_x87)
macro(special_add_compile_flags target)
set(args ${ARGN})
separate_arguments(args)
get_target_property(_flags ${target} COMPILE_FLAGS)
if(NOT _flags)
set(_flags ${ARGN})
else(NOT _flags)
separate_arguments(_flags)
list(APPEND _flags "${args}")
endif(NOT _flags)
_special_list_to_string(_flags_str "${_flags}")
set_target_properties(${target} PROPERTIES
COMPILE_FLAGS "${_flags_str}")
endmacro(special_add_compile_flags)
macro(special_add_link_flags target)
set(args ${ARGN})
separate_arguments(args)
get_target_property(_flags ${target} LINK_FLAGS)
if(NOT _flags)
set(_flags ${ARGN})
else(NOT _flags)
separate_arguments(_flags)
list(APPEND _flags "${args}")
endif(NOT _flags)
_special_list_to_string(_flags_str "${_flags}")
set_target_properties(${target} PROPERTIES
LINK_FLAGS "${_flags_str}")
endmacro(special_add_link_flags)
macro(_special_list_to_string _string _list)
set(${_string})
foreach(_item ${_list})
string(LENGTH "${${_string}}" _len)
if(${_len} GREATER 0)
set(${_string} "${${_string}} ${_item}")
else(${_len} GREATER 0)
set(${_string} "${_item}")
endif(${_len} GREATER 0)
endforeach(_item)
endmacro(_special_list_to_string)
|
