decw

SVE Decrement Scalar by Word Count

DECW <Xdn>, <pattern> {, MUL #<imm>}

Decrements a register by the number of active words.

Details

The SVE Decrement Scalar by Word Count instruction decrements a register by the number of active words.

Pseudocode Operation

// Decrements a register by the number of active words

Example

DECW Xdn, pattern

Encoding

Binary Layout
00000100
10
1
10001
pat
imm4
Xdn
 
Format SVE Inc/Dec
Opcode 0x04B10000
Extension SVE

Operands

  • Xdn
    Register
  • pattern
    Predicate Pattern