NonStop S-Series Server Description Manual (G06.24+)

TNS Instruction Set Definition
HP NonStop S-Series Server Description Manual—520331-003
C-30
Instruction Definitions
0 0 0 3 2 1 CFQR convert floating to quad with rounding
V := 0;
t:=63+256-exponent(A);
sign:=B.<0>; RP:=RP+2;
if -2**63 <= DC <= 2**63-1
then {D.<0>:=1;
exponent(C):=0;
B:=A:=s:=0;
DCBAs:=(DCBAs'>>'t) '+' %100000;
if sign=1 then DCBA:=-DCBA}
else V:=1;
cc(DCBA)
0 0 0 3 2 2 CEQ convert extended to quad
V := 0;
t:=63+256-exponent(A);
sign:=D.<0>;
if -2**63 <= DCBA <= 2**63-1
then {D.<0>:=1;
exponent(A):=0;
DCBA:=DCBA'>>'t;
if sign=1 then DCBA:=-DCBA}
else V:=1;
cc(DCBA)
0 0 0 3 2 3 CEQR convert extended to quad with rounding
V := 0;
t:=63+256-exponent(A);
sign:=D.<0>;
if -2**63 <= DCBA <= 2**63-1
then {D.<0>:=1;
exponent(A):=0;
s:=0;
DCBAs:=(DCBAs'>>'t) '+' %100000;
if sign=1 then DCBA:=-DCBA}
else V:=1;
cc(DCBA)
0 0 0 3 2 4 CQF convert quad to floating
V := 0;
sign:=D.<0>; exp:=63+256;
if sign=1 then
DCBA:=-DCBA;
if DCBA<>0 then
{norm(DCBA);
exponent(C):=exp;
D.<0>:=sign}
RP:=RP-2
0 0 0 3 2 5 CFE convert floating to extended
V := 0;
G:=exponent(A);
exponent(A):=0;
H:=0;
RP:=RP+2
Table C-2. Instruction Definitions (page20of38)