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ARM Compiler armasm User Guide : MOV (vector, to general)

MOV (vector, to general)

Move vector element to general-purpose register.

This instruction is an alias of UMOV.

Syntax

MOV Wd, Vn.S[index] ; 32-bit

Equivalent to UMOV Wd, Vn.S[index].

MOV Xd, Vn.D[index] ; 64-bit

Equivalent to UMOV Xd, Vn.D[index].

Where:

Wd

Is the 32-bit name of the general-purpose destination register.

index

The value depends on the instruction variant:

32-bit
Is the element index, in the range shown in Usage.
64-bit
Is the element index
Xd

Is the 64-bit name of the general-purpose destination register.

Vn

Is the name of the SIMD and FP source register.

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