xbegin

Transaction Begin

XBEGIN rel

Specifies start of Restricted Transactional Memory region.

Details

The Transaction Begin instruction specifies start of Restricted Transactional Memory region.

Pseudocode Operation

// Specifies start of Restricted Transactional Memory region

Example

XBEGIN rel

Encoding

Binary Layout
C7
+0
F8
+1
 
Format Legacy
Opcode C7 F8
Extension RTM (TSX)

Operands

  • dest
    Relative branch offset