Guarded Control Stack pop and compare exception return record
This instruction loads an exception return record from the location indicated by the current Guarded control stack pointer register, compares the loaded values with the current ELR_ELx, SPSR_ELx, and LR, and increments the pointer by the size of a Guarded Control Stack exception return record.
Variants: FEAT_GCS (ARMv9.4)
| 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 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | |||||
| L | op1 | CRn | CRm | op2 | Rt | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
GCSPOPCX
Equivalent to: SYS #0, C7, C7, #5{, <Xt>}