Bitwise Exclusive-OR (immediate) performs a bitwise exclusive-OR of a register value and an immediate value, and writes the result to the destination register.
| 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 |
| sf | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | N | immr | imms | Rn | Rd | ||||||||||||||||||
| opc | |||||||||||||||||||||||||||||||
integer d = UInt(Rd); integer n = UInt(Rn); integer datasize = if sf == '1' then 64 else 32; bits(datasize) imm; if sf == '0' && N != '0' then UNDEFINED; (imm, -) = DecodeBitMasks(N, imms, immr, TRUE, datasize);
| <Wd|WSP> |
Is the 32-bit name of the destination general-purpose register or stack pointer, encoded in the "Rd" field. |
| <Wn> |
Is the 32-bit name of the general-purpose source register, encoded in the "Rn" field. |
| <Xd|SP> |
Is the 64-bit name of the destination general-purpose register or stack pointer, encoded in the "Rd" field. |
| <Xn> |
Is the 64-bit name of the general-purpose source register, encoded in the "Rn" field. |
| <imm> |
For the 32-bit variant: is the bitmask immediate, encoded in "imms:immr". |
|
For the 64-bit variant: is the bitmask immediate, encoded in "N:imms:immr". |
bits(datasize) result; bits(datasize) operand1 = X[n, datasize]; result = operand1 EOR imm; if d == 31 then SP[] = ZeroExtend(result, 64); else X[d, datasize] = result;
If PSTATE.DIT is 1:
Internal version only: isa v33.64, AdvSIMD v29.12, pseudocode v2023-06_rel, sve v2023-06_rel ; Build timestamp: 2023-07-04T19:42
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