Move 8 bytes from general-purpose register to ZT0
This instruction moves 8 bytes to the ZT0 register at the byte offset specified by the immediate index from a general-purpose register. This instruction is UNDEFINED in Non-debug state.
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | off3 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | Rt | ||||||
| opc | |||||||||||||||||||||||||||||||
if !IsFeatureImplemented(FEAT_SME2) || !Halted() then EndOfDecode(Decode_UNDEF); end; let t : integer = UInt(Rt); let offset : integer = UInt(off3);
| <offs> |
Is the immediate byte offset, a multiple of 8 in the range of 0 to 56, encoded in the "off3" field as <offs>/8. |
| <Xt> |
Is the 64-bit name of the general-purpose register to be transferred, encoded in the "Rt" field. |
CheckSMEEnabled(); CheckSMEZT0Enabled(); var result : bits(512) = ZT0{}(); result[offset*:64] = X{64}(t); ZT0{512}() = result;
2026-03_rel 2026-03-26 20:48:11
Copyright © 2010-2026 Arm Limited or its affiliates. All rights reserved. This document is Non-Confidential.