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36 lines
1.2 KiB
CMake
36 lines
1.2 KiB
CMake
IF(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64")
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IF(CMAKE_COMPILER_IS_GNUCC AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1)
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include(CheckCXXSourceCompiles)
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CHECK_CXX_SOURCE_COMPILES("
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#define CRC32CX(crc, value) __asm__(\"crc32cx %w[c], %w[c], %x[v]\":[c]\"+r\"(crc):[v]\"r\"(value))
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asm(\".arch_extension crc\");
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unsigned int foo(unsigned int ret) {
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CRC32CX(ret, 0);
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return ret;
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}
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int main() { foo(0); }" HAVE_ARMV8_CRC)
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CHECK_CXX_SOURCE_COMPILES("
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asm(\".arch_extension crypto\");
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unsigned int foo(unsigned int ret) {
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__asm__(\"pmull v2.1q, v2.1d, v1.1d\");
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return ret;
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}
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int main() { foo(0); }" HAVE_ARMV8_CRYPTO)
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CHECK_C_COMPILER_FLAG(-march=armv8-a+crc+crypto HAVE_ARMV8_CRC_CRYPTO_INTRINSICS)
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IF(HAVE_ARMV8_CRC_CRYPTO_INTRINSICS)
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SET(ARMV8_CRC_COMPILE_FLAGS "${ARMV8_CRC_COMPILE_FLAGS} -march=armv8-a+crc+crypto")
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ENDIF()
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SET(CRC32_LIBRARY crc32_armv8_neon)
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ADD_SUBDIRECTORY(extra/crc32_armv8_neon)
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ENDIF()
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ENDIF()
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IF(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64")
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SET(HAVE_CRC32_VPMSUM 1)
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SET(CRC32_LIBRARY crc32-vpmsum)
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ADD_SUBDIRECTORY(extra/crc32-vpmsum)
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ENDIF()
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