Function wasmtime_environ::__core::arch::x86_64::_xsetbv

1.27.0 · source ·

pub unsafe fn _xsetbv(a: u32, val: u64)

Available on x86-64 only.

Expand description

Copies 64-bits from val to the extended control register (XCR) specified by a.

Currently only XFEATURE_ENABLED_MASK XCR is supported.