GCSPUSHX Guarded Control Stack push exception return record This instruction decrements the current GCS pointer register by the size of a Guarded Control Stack exception return record and stores an exception return record to the Guarded Control Stack. For more information, see GCSPUSHX, Guarded Control Stack Push exception return record. SYS 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 GCSPUSHX SYS #0, C7, C7, #4{, <Xt>} Unconditionally 2026-03-26 20:27:25 2026-03_rel