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Yuqi GuAntoine Pitrou
49c6d1ba666
Yuqi Gu authored and Antoine Pitrou committed d014bc6ac96
ARROW-7462: [C++] Add CpuInfo detection for Arm64 Architecture

Add CpuInfo interface to query for Arm cpu information at runtime.

Closes #6412 from guyuqi/ARROW-7462 and squashes the following commits:

a23b4734c <Antoine Pitrou> Simplify code
a47c32372 <Yuqi Gu> Revise the code based on comments
2d032656e <Yuqi Gu> Fix format check failure
9779146fe <Yuqi Gu> ARROW-7462:  Add CpuInfo detection for Arm64 Architecture

Lead-authored-by: Yuqi Gu <yuqi.gu@arm.com>
Co-authored-by: Antoine Pitrou <antoine@python.org>
Signed-off-by: Antoine Pitrou <antoine@python.org>