[linux] BF16 capability detection for Ubuntu 20.04

fujitsu / xbyak_aarch64

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[linux] BF16 capability detection for Ubuntu 20.04 #89

Closed kawakami-k closed 1 year ago

kawakami-k commented 1 year ago

Linux kernel headers used in Ubuntu 20.04 do not define HWCAP2_BF16. To detect BF16 capability in Ubuntu 20.04, HWCAP2_BF16 is defined in Xbyak_aarch64.