Guarded Control Stack push exception return record
This instruction decrements the current Guarded Control Stack pointer register by the size of a Guarded Control Stack exception return record and stores an exception return record to the Guarded Control Stack.
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 | 0 | |||||
| L | op1 | CRn | CRm | op2 | Rt | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
GCSPUSHX
Equivalent to: SYS #0, C7, C7, #4{, <Xt>}