blob: 8a45bf38bfbc5c94d5d92368672e04c05e84ee25 (
plain)
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
|
macro(check_nasm_support _object_format _support_x64 _support_x64_and_avx2 _support_x64_and_avx512)
execute_process(
COMMAND which nasm
RESULT_VARIABLE no_nasm
OUTPUT_QUIET
ERROR_QUIET)
if(NOT no_nasm)
if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64")
set(save_quiet ${CMAKE_REQUIRED_QUIET})
set(CMAKE_REQUIRED_QUIET true)
include(CheckCXXSourceCompiles)
check_cxx_source_compiles("
#if defined(__x86_64__) && defined(__ILP32__)
#error x32
#endif
int main() {}
" ${_support_x64})
set(CMAKE_REQUIRED_QUIET ${save_quiet})
if(${_support_x64})
execute_process(COMMAND nasm -f ${object_format} -i
${CMAKE_SOURCE_DIR}/src/isa-l/include/
${CMAKE_SOURCE_DIR}/src/isa-l/erasure_code/gf_vect_dot_prod_avx2.asm
-o /dev/null
RESULT_VARIABLE rc
OUTPUT_QUIET
ERROR_QUIET)
if(NOT rc)
set(${_support_x64_and_avx2} TRUE)
endif()
execute_process(COMMAND nasm -D HAVE_AS_KNOWS_AVX512 -f ${object_format}
-i ${CMAKE_SOURCE_DIR}/src/isa-l/include/
${CMAKE_SOURCE_DIR}/src/isa-l/erasure_code/gf_vect_dot_prod_avx512.asm
-o /dev/null
RESULT_VARIABLE rt
OUTPUT_QUIET
ERROR_QUIET)
if(NOT rt)
set(${_support_x64_and_avx512} TRUE)
endif()
endif(${_support_x64})
endif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64")
endif(NOT no_nasm)
if(no_nasm)
message(STATUS "Could NOT find nasm")
elseif(NOT ${_support_x64})
message(STATUS "Found nasm: but x86_64 with x32 ABI is not supported")
elseif(${_support_x64_and_avx512})
message(STATUS "Found nasm: best -- capable of assembling AVX512")
elseif(${_support_x64_and_avx2})
message(STATUS "Found nasm: better -- capable of assembling AVX2")
elseif(${_support_x64})
message(STATUS "Found nasm: good -- capable of assembling x86_64")
endif()
endmacro()
|
