ldff1b

SVE Load First-Fault Contiguous Bytes

LDFF1B { <Zt>.B }, <Pg>/Z, [<Xn|SP>]

Loads bytes speculatively; suppresses faults after the first active element.

Details

The SVE Load First-Fault Contiguous Bytes instruction loads bytes speculatively; suppresses faults after the first active element.

Pseudocode Operation

// Loads bytes speculatively; suppresses faults after the first active element

Example

LDFF1B p0/m/Z, [x1]

Encoding

Binary Layout
10100100
00
100000
Pg
Rn
Zt
 
Format SVE Load
Opcode 0xA4200000
Extension SVE

Operands

  • Zt
    Transfer scalable vector register (SVE load/store)
  • Pg
    Predicate
  • Xn
    First source / base 64-bit integer register