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cpuinfo2cpuflags (guess CPU_FLAGS_X86 flags for the host)
cpuinfo2cpuflags is a tool to guess CPU_FLAGS_X86 flags for the host.
Call the cpuid instruction to obtain the supported CPU feature bits
instead of reading the preprocessed values from Linux-specific
/proc/cpuinfo. This increases portability across systems and accuracy
of information -- supported instructions depend on the version of the
program rather than the Linux kernel.
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