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volk_gnsssdr: improve 64 bit host CPU detection

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This commit is contained in:
Carles Fernandez 2025-02-12 22:21:22 +01:00
parent 1120c53252
commit dca58720f9
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GPG Key ID: 4C583C52B0C3877D
1 changed files with 23 additions and 8 deletions

31
src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/lib/CMakeLists.txt

@ -272,18 +272,33 @@ endif()
########################################################################
if(NOT CROSSCOMPILE_MULTILIB AND CPU_IS_x86)
include(CheckTypeSize)
check_type_size("void*[8]" SIZEOF_CPU BUILTIN_TYPES_ONLY)
if(${SIZEOF_CPU} EQUAL 64)
overrule_arch(32 "CPU width is 64 bits")
endif()
if(${SIZEOF_CPU} EQUAL 32)
overrule_arch(64 "CPU width is 32 bits")
if(CMAKE_VERSION VERSION_LESS 3.10)
check_type_size("void*[8]" SIZEOF_CPU BUILTIN_TYPES_ONLY)
if(${SIZEOF_CPU} EQUAL 64)
overrule_arch(32 "CPU width is 64 bits")
endif()
if(${SIZEOF_CPU} EQUAL 32)
overrule_arch(64 "CPU width is 32 bits")
endif()
else()
cmake_host_system_information(RESULT ASSUME_64BIT_HOST QUERY IS_64BIT)
if(ASSUME_64BIT_HOST)
overrule_arch(32 "CPU width is 64 bits")
else()
overrule_arch(64 "CPU width is 32 bits")
endif()
endif()
# MSVC 64 bit does not have MMX, overrule it
if(MSVC)
if(${SIZEOF_CPU} EQUAL 64)
overrule_arch(mmx "No MMX for Win64")
if(CMAKE_VERSION VERSION_LESS 3.10)
if(${SIZEOF_CPU} EQUAL 64)
overrule_arch(mmx "No MMX for Win64")
endif()
else()
if(ASSUME_64BIT_HOST)
overrule_arch(mmx "No MMX for Win64")
endif()
endif()
force_arch(sse "Built-in for MSVC > 2013")
force_arch(sse2 "Built-in for MSVC > 2013")