rcw
Read Check Write (128-bit)
RCW <Xt>, <Xt+1>, [<Xn>]
Atomically updates a 128-bit descriptor in memory (Translation Hardening).
Details
The Read Check Write instruction atomically updates a 128-bit descriptor in memory (Translation Hardening).
Pseudocode Operation
// Atomically updates a 128-bit descriptor in memory (Translation Hardening)
Example
RCW x3, Xt+1, [x1]
Encoding
Binary Layout
00111000001111110000000000000000