NonStop S-Series Server Description Manual (G06.27+)

TNS Instruction Set Definition
HP NonStop S-Series Server Description Manual—520331-004
C-20
Instruction Definitions
0 0 0 2 4 0 QADD quad add
ccn(HGFE:=HGFE + DCBA);
RP:=RP-4
[ See Note 5: OVFL TRAP RESULTS UNDEFINED ]
[ See Note 6: OVERFLOW TNS COMPATIBLE ]
0 0 0 2 4 1 QSUB quad subtract
ccn(HGFE:=HGFE - DCBA);
RP:=RP-4
[See Note 5: OVFL TRAP RESULTS UNDEFINED ]
[See Note 6: OVERFLOW TNS COMPATIBLE ]
0 0 0 2 4 2 QMPY quad multiply
V:= -2**63<=HGFE*DCBA<=2**63-1;
HGFE:=HGFE * DCBA;
cc(HGFE);
RP:=RP-4
[ See Note 4: OVERFLOW RESULTS UNDEFINED]
0 0 0 2 4 3 QDIV quad divide
V:=if DCBA=0 or (HGFE = –2**63 & DCBA = –1) then
1 else 0;
HGFE:=HGFE / DCBA;
cc(HGFE);
RP:=RP-4
[ See Note 4: OVERFLOW RESULTS UNDEFINED]
0 0 0 2 4 4 QNEG quad negate
DCBA:=-DCBA;
ccn(DCBA)
0 0 0 2 4 5 QCMP quad compare
cc(HGFE:DCBA)
0 0 0 2 4 6 CQL convert quad to logical
V:=if 0 <= DCBA <=2**16-1
then 0 else 1;
D:=A;
RP:=RP-3
0 0 0 2 4 7 CQD convert quad to double
V:=if -2**31 <=DCBA<= 2**31-1
then 0 else 1;
DC:=BA;
RP:=RP-2
0 0 0 2 5 nn0 QUP quad scale up
DCBA:=DBCA*
10**(I.<13:14>+1);
V:=if -2**63<=DCBA<=2**63-1
then 0 else 1;
cc(DCBA)
[ See Note 4: OVERFLOW RESULTS UNDEFINED]
0 0 0 2 5 nn1 QDWN quad scale down
DCBA:=DBCA/
10**(I.<13:14>+1);
V:=0; cc(DCBA);
Table C-2. Instruction Definitions (page10of38)