brkb

SVE Break Before First True

BRKB <Pd>.B, <Pg>/Z, <Pn>.B

Sets predicates up to (but excluding) the first active element.

Details

The SVE Break Before First True instruction sets predicates up to (but excluding) the first active element.

Pseudocode Operation

// Sets predicates up to (but excluding) the first active element

Example

BRKB p0.B, p0/m/Z, p1.B

Encoding

Binary Layout
00100101
01
000001
Pg
Pn
Pd
 
Format SVE Predicate
Opcode 0x25410000
Extension SVE

Operands

  • Pd
    Destination predicate register (SVE)
  • Pg
    Limit
  • Pn
    First source predicate register (SVE)