Function core::arch::x86::_fxsave

1.27.0 · source · 
pub unsafe fn _fxsave(mem_addr: *mut u8)
Available on (x86 or x86-64) and target feature fxsr and x86 only.
Expand description

Saves the x87 FPU, MMX technology, XMM, and MXCSR registers to the 512-byte-long 16-byte-aligned memory region mem_addr.

A misaligned destination operand raises a general-protection (#GP) or an alignment check exception (#AC).

See FXSAVE and FXRSTOR.

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