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
Operands
-
Xdn
Register -
pattern
Predicate Pattern