Fxrstor instructions

fxsavexsave

Feb 2, 2015 - The FXRSTOR instruction does not flush pending x87 FPU exceptions, unlike the FRSTOR instruction does. To check and raise exceptions when loading a new The parts of the information reported by the CPUID instruction that are and FXRSTOR instructions ffxsr: fast FXSAVE and FXRSTOR instructions lmlahf: FXRSTOR — Restore x87 FPU, MMX, XMM, and MXCSR State. Opcode/Instruction, Op/En, 64-Bit Mode, Compat/Leg Mode, Description. NP 0F AE / The state image referenced with an FXRSTOR instruction must have been saved using an FXSAVE instruction or be in the same format as that shown in Table data registers, the FXSAVE and FXRSTOR instructions implicitly save and restore the state of the MMX registers.) The SSE extensions expanded the scope of EMMS should be used after executing MMX instructions and before executing any subsequent floating-point operations. ftw e-Sff; 4.4.19 FXRSTOR InstructionDec 16, 2019 - The MMX and SSE instructions have the capability to perform a single The FXSAVE and FXRSTOR instructions save the FPU, MMX, and SSE states. Nov 20, 2017 -