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Merge pull request #1003
cf10e05 Add ARMv8 Handling to CMakeLists.txt - version 2 (NanoAkron)This commit is contained in:
Riccardo Spagni
commit
1032255a0e
3 changed files with 95 additions and 19 deletions
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@ -76,6 +76,11 @@ if (ARM_TEST STREQUAL "arm")
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endif()
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endif()
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if (ARCH_ID STREQUAL "aarch64")
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set(ARM 1)
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set(ARM8 1)
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endif()
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if(WIN32 OR ARM)
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set(OPT_FLAGS_RELEASE "-O2")
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else()
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@ -367,24 +372,90 @@ else()
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message(STATUS "AES support enabled")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -maes")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maes")
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elseif(ARM)
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elseif(ARM) #NB ARMv8 DOES support AES, but not yet coded
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message(STATUS "AES support disabled (not available on ARM)")
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else()
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message(STATUS "AES support disabled")
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endif()
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if(ARM6)
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message(STATUS "Setting ARM6 C and C++ flags")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp -mfloat-abi=hard")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp -mfloat-abi=hard")
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if(ARM)
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message(STATUS "Setting FPU Flags for ARM Processors")
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include(TestCXXAcceptsFlag)
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#NB NEON hardware does not fully implement the IEEE 754 standard for floating-point arithmetic
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#Need custom assembly code to take full advantage of NEON SIMD
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#Cortex-A5/9 -mfpu=neon-fp16
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#Cortex-A7/15 -mfpu=neon-vfpv4
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#Cortex-A8 -mfpu=neon
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#ARMv8 -FP and SIMD on by default for all ARM8v-a series, NO -mfpu setting needed
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#For custom -mtune, processor IDs for ARMv8-A series:
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#0xd04 - Cortex-A35
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#0xd07 - Cortex-A57
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#0xd08 - Cortex-A72
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#0xd03 - Cortex-A73
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if(NOT ARM8)
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CHECK_CXX_ACCEPTS_FLAG(-mfpu=vfp3-d16 CXX_ACCEPTS_VFP3_D16)
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CHECK_CXX_ACCEPTS_FLAG(-mfpu=vfp4 CXX_ACCEPTS_VFP4)
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CHECK_CXX_ACCEPTS_FLAG(-mfloat-abi=hard CXX_ACCEPTS_MFLOAT_HARD)
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CHECK_CXX_ACCEPTS_FLAG(-mfloat-abi=softfp CXX_ACCEPTS_MFLOAT_SOFTFP)
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endif()
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if(ARM8)
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CHECK_CXX_ACCEPTS_FLAG(-mfix-cortex-a53-835769 CXX_ACCEPTS_MFIX_CORTEX_A53_835769)
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CHECK_CXX_ACCEPTS_FLAG(-mfix-cortex-a53-843419 CXX_ACCEPTS_MFIX_CORTEX_A53_843419)
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endif()
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if(ARM6)
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message(STATUS "Selecting VFP for ARMv6")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp")
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endif(ARM6)
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if(ARM7)
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message(STATUS "Setting ARM7 C and C++ flags")
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if(CXX_ACCEPTS_VFP3_D16 AND NOT CXX_ACCEPTS_VFP4)
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message(STATUS "Selecting VFP3 for ARMv7")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp3-d16")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp3-d16")
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endif()
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if(CXX_ACCEPTS_VFP4)
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message(STATUS "Selecting VFP4 for ARMv7")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp4")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp4")
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endif()
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if(CXX_ACCEPTS_MFLOAT_HARD)
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message(STATUS "Setting Hardware ABI for Floating Point")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=hard")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfloat-abi=hard")
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endif()
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if(CXX_ACCEPTS_MFLOAT_SOFTFP AND NOT CXX_ACCEPTS_MFLOAT_HARD)
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message(STATUS "Setting Software ABI for Floating Point")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=softfp")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfloat-abi=softfp")
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endif()
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endif(ARM7)
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if(ARM8)
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if(CXX_ACCEPTS_MFIX_CORTEX_A53_835769)
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message(STATUS "Enabling Cortex-A53 workaround 835769")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfix-cortex-a53-835769")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfix-cortex-a53-835769")
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endif()
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if(CXX_ACCEPTS_MFIX_CORTEX_A53_843419)
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message(STATUS "Enabling Cortex-A53 workaround 843419")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfix-cortex-a53-843419")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfix-cortex-a53-843419")
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endif()
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endif(ARM8)
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endif(ARM)
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if(APPLE)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DGTEST_HAS_TR1_TUPLE=0")
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endif()
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4
Makefile
4
Makefile
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@ -66,6 +66,10 @@ release-static-arm7:
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mkdir -p build/release
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cd build/release && cmake -D BUILD_TESTS=OFF -D ARCH="armv7-a" -D STATIC=ON -D BUILD_64=OFF -D CMAKE_BUILD_TYPE=release ../.. && $(MAKE)
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release-static-armv8:
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mkdir -p build/release
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cd build/release && cmake -D BUILD_TESTS=OFF -D ARCH="armv8-a" -D STATIC=ON -D BUILD_64=ON -D CMAKE_BUILD_TYPE=release ../.. && $(MAKE)
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release-static: release-static-64
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release-static-64:
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@ -197,7 +197,8 @@ By default, in either dynamically or statically linked builds, binaries target t
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* ```make release-static-64``` builds binaries on Linux on x86_64 portable across POSIX systems on x86_64 processors
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* ```make release-static-32``` builds binaries on Linux on x86_64 or i686 portable across POSIX systems on i686 processors
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* ```make release-static-arm7``` builds binaries on Linux on armv7 portable across POSIX systesm on armv7 processors
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* ```make release-static-arm8``` builds binaries on Linux on armv8 portable across POSIX systems on armv8 processors
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* ```make release-static-arm7``` builds binaries on Linux on armv7 portable across POSIX systems on armv7 processors
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* ```make release-static-arm6``` builds binaries on Linux on armv7 or armv6 portable across POSIX systems on armv6 processors, such as the Raspberry Pi
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* ```make release-static-win64``` builds binaries on 64-bit Windows portable across 64-bit Windows systems
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* ```make release-static-win32``` builds binaries on 64-bit or 32-bit Windows portable across 32-bit Windows systems
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