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INSTRUCTION SET REFERENCE
FXRSTORRestore FP and MMX
State and
Streaming SIMD Extension State
Description
The FXRSTOR instruction reloads the FP and MMX technology state, and the Streaming
SIMD Extension state (environment and registers), from the memory area defined by m512byte.
This data should have been written by a previous FXSAVE.
The floating-point, MMX technology, and Streaming SIMD Extension environment and
registers consist of the following data structure (little-endian byte order as arranged in memory,
with byte offset into row described by right column):
OpcodeInstructionDescription
0F,AE,/1FXRSTOR
m512byte
Load FP and MMX technology and Streaming SIMD Extension state
from m512byte.
