GCSPOPX
Guarded Control Stack pop exception return record
This instruction loads an exception return
record from the location indicated by the current Guarded Control Stack
pointer register, checks that the record is an exception return record, and
increments the pointer by the size of a Guarded Control Stack 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
1
0
GCSPOPX
SYS #0, C7, C7, #6{, <Xt>}
Unconditionally