GCSPOPCX

Guarded Control Stack Pop and Compare exception return record 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.

This is an alias of SYS. This means:

System
(FEAT_GCS)

313029282726252423222120191817161514131211109876543210
110101010000100001110111101Rt
Lop1CRnCRmop2

GCSPOPCX

is equivalent to

SYS #0, C7, C7, #5{, <Xt>}

and is always the preferred disassembly.

Operation

The description of SYS gives the operational pseudocode for this instruction.


Internal version only: aarchmrs v2024-03_relA, pseudocode v2024-03_rel, sve v2024-03_rel ; Build timestamp: 2024-03-26T09:45

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