GCSPOPM Guarded Control Stack pop This instruction loads the 64-bit doubleword that is pointed to by the current GCS pointer register, writes it to the destination register, and increments the current GCS pointer register by the size of a GCS procedure return record. For more information, see GCSPOPM, Guarded Control Stack Pop. SYSL 1 1 0 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 1 1 0 1 1 1 0 0 1 GCSPOPM {<Xt>} SYSL <Xt>, #3, C7, C7, #1 Unconditionally <Xt> Is the 64-bit name of the optional general-purpose destination register, encoded in the "Rt" field. Defaults to XZR if absent. 2026-03-26 20:27:25 2026-03_rel