Constant tracing::stdlib::arch::x86_64::_XCR_XFEATURE_ENABLED_MASK

pub const _XCR_XFEATURE_ENABLED_MASK: u32 = 0; // 0u32

Available on x86-64 only.

XFEATURE_ENABLED_MASK for XCR

This intrinsic maps to XSETBV instruction.