Processor Control Floating-Point Instructions

Floating-Point Load Control Word (fldcw)

fldcw	r/m16

Example

Load the FPU control word with the value in the specified memory address.

fldcw 2(%ecx)

Floating-Point Load Environment (fldenv)

fldenv	mem

Example

Reload the FPU environment from the source-operand specified memory space.

fldenv 2(%ecx)