Bitwise exclusive-OR between three vectors
This instruction performs a bitwise exclusive-OR between the corresponding elements of the three source vectors, and destructively places the results in the corresponding elements of the destination and first source vector. This instruction is unpredicated.
| 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 |
| 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | Zm | 0 | 0 | 1 | 1 | 1 | 0 | Zk | Zdn | ||||||||||||
| opc | o2 | ||||||||||||||||||||||||||||||
if !IsFeatureImplemented(FEAT_SVE2) && !IsFeatureImplemented(FEAT_SME) then EndOfDecode(Decode_UNDEF); end; let m : integer = UInt(Zm); let k : integer = UInt(Zk); let dn : integer = UInt(Zdn);
| <Zdn> |
Is the name of the first source and destination scalable vector register, encoded in the "Zdn" field. |
| <Zm> |
Is the name of the second source scalable vector register, encoded in the "Zm" field. |
| <Zk> |
Is the name of the third source scalable vector register, encoded in the "Zk" field. |
CheckSVEEnabled(); let VL : integer{} = CurrentVL(); let operand1 : bits(VL) = Z{}(dn); let operand2 : bits(VL) = Z{}(m); let operand3 : bits(VL) = Z{}(k); Z{VL}(dn) = operand1 XOR operand2 XOR operand3;
This instruction is a data-independent-time instruction as described in About PSTATE.DIT.
This instruction might be immediately preceded in program order by a MOVPRFX instruction. The MOVPRFX must conform to all of the following requirements, otherwise the behavior of the MOVPRFX and this instruction is CONSTRAINED UNPREDICTABLE:
2026-03_rel 2026-03-26 20:48:11
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