The fxsave and fxrstor instructions save and restore the state of the floating-point unit and the MMX, XMM, and MXCSR registers.
Table 3–19 SIMD State Management Instructions
Solaris Mnemonic |
Intel/AMD Mnemonic |
Description |
Notes |
---|---|---|---|
FXRSTOR |
restore floating-point unit and SIMD state | ||
FXSAVE |
save floating-point unit and SIMD state |