Function core::arch::x86_64::_fxsave1.27.0[][src]

pub unsafe fn _fxsave(mem_addr: *mut u8)
This is supported on x86-64 and target feature fxsr only.
Expand description

x87 FPU,MMX 技术,XMMMXCSR 寄存器保存到 512 字节长,16 字节对齐的内存区域 mem_addr

目标操作数未对齐将引发通用保护 (#GP) 或对齐检查异常 (#AC)。

请参见 FXSAVEFXRSTOR

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