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Merge branch 'NanoAkron-armv8-march-crypto'
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commit
f00c2dc1ec
@ -330,6 +330,7 @@ if(MSVC)
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endif()
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include_directories(SYSTEM src/platform/msc)
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else()
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include(TestCXXAcceptsFlag)
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set(ARCH native CACHE STRING "CPU to build for: -march value or 'default' to not pass -march at all")
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message(STATUS "Building on ${CMAKE_SYSTEM_PROCESSOR} for ${ARCH}")
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if(ARCH STREQUAL "default")
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@ -391,15 +392,32 @@ else()
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message(STATUS "AES support enabled")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -maes")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maes")
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elseif(ARM) #NB ARMv8 DOES support AES, but not yet coded
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message(STATUS "AES support disabled (not available on ARM)")
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elseif(ARM6)
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message(STATUS "AES support not available on ARMv6")
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elseif(ARM7)
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message(STATUS "AES support not available on ARMv7")
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elseif(ARM8)
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CHECK_CXX_ACCEPTS_FLAG("-march=${ARCH}+crypto" ARCH_PLUS_CRYPTO)
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if(ARCH_PLUS_CRYPTO)
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message(STATUS "Crypto extensions enabled for ARMv8")
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set(ARCH_FLAG "-march=${ARCH}+crypto")
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else()
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message(STATUS "Crypto extensions unavailable on your ARMv8 device")
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endif()
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else()
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message(STATUS "AES support disabled")
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11 -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_FLAG} ${WARNINGS} ${C_WARNINGS} ${ARCH_FLAG} ${COVERAGE_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -D_GNU_SOURCE ${MINGW_FLAG} ${WARNINGS} ${CXX_WARNINGS} ${ARCH_FLAG} ${COVERAGE_FLAGS}")
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# With GCC 6.1.1 the compiled binary malfunctions due to aliasing. Until that
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# is fixed in the code (Issue #847), force compiler to be conservative.
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-strict-aliasing")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
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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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@ -407,7 +425,7 @@ else()
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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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#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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