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build: Fix regression in "ARMv8 CRC32 intrinsics" test

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The `vmull_p64` is a part of the Crypto extensions from the ACLE. They
are optional extensions, so they get enabled with a `+crypto` for
architecture flags.
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Hennadii Stepanov committed 2023-11-20 13:37:44 +00:00
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commit 228d6a2969
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configure.ac
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@@ -579,7 +579,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
CXXFLAGS="$TEMP_CXXFLAGS"
# ARM
AX_CHECK_COMPILE_FLAG([-march=armv8-a+crc], [ARM_CRC_CXXFLAGS="-march=armv8-a+crc"], [], [$CXXFLAG_WERROR])
AX_CHECK_COMPILE_FLAG([-march=armv8-a+crc+crypto], [ARM_CRC_CXXFLAGS="-march=armv8-a+crc+crypto"], [], [$CXXFLAG_WERROR])
AX_CHECK_COMPILE_FLAG([-march=armv8-a+crypto], [ARM_SHANI_CXXFLAGS="-march=armv8-a+crypto"], [], [$CXXFLAG_WERROR])
TEMP_CXXFLAGS="$CXXFLAGS"