ARM Architecture Reference Manual ARMv7-A and ARMv7-R edition

A4.12 Advanced SIMD and VFP register transfer instructions
The Instruction Sets
Table A4-15 summarizes the extension register transfer instructions in the Advanced SIMD and VFP
instruction sets. These instructions transfer data from ARM core registers to extension registers, or from
extension registers to ARM core registers.
Advanced SIMD vectors, and single-precision and double-precision VFP registers, are all views of the same
extension register set. For details see Advanced SIMD and VFP extension registers on page A2-21.
Instruction See
Copy element from ARM core register to every element of
Advanced SIMD vector
Copy byte, halfword, or word from ARM core register to
extension register
Copy byte, halfword, or word from extension register to ARM
core register
Copy from single-precision VFP register to ARM core register,
or from ARM core register to single-precision VFP register
Copy two words from ARM core registers to consecutive
single-precision VFP registers, or from consecutive
single-precision VFP registers to ARM core registers
Copy two words from ARM core registers to doubleword
extension register, or from doubleword extension register to
ARM core registers
Copy from Advanced SIMD and VFP extension System Register
to ARM core register
Copy from ARM core register to Advanced SIMD and VFP
extension System Register
Table A4-15 Extension register transfer instructions
VDUP (ARM core register) on page A8-594
VMOV (ARM core register to scalar) on
page A8-644
VMOV (scalar to ARM core register) on
page A8-646
VMOV (between ARM core register and
single-precision register) on page A8-648
VMOV (between two ARM core registers and
two single-precision registers) on page A8-650
VMOV (between two ARM core registers and a
doubleword extension register) on page A8-652
VMRS on page A8-658
VMRS on page B6-27 (system level view)
VMSR on page A8-660
VMSR on page B6-29 (system level view)
ARM DDI 0406B Copyright © 1996-1998, 2000, 2004-2008 ARM Limited. All rights reserved. A4-29