Motorola DSP96002 User Manual page 342

FMPY.X
Operation:
S1 * S2 ROUND(SEP)
(parallel data bus move)
S1 * S2 ROUND(SEP)
(parallel data bus move)
Description:
Multiply the two specified operands S1 and S2, round to single extended precision and store the result in
the destination operand D.
Input Operand(s) Precision: SEP Floating-Point.
Output Operand Precision: SEP Floating-Point.
CCR Condition Codes:
C
V
Z
N
I
LR
–
R
A
ER Status Bits:
INX
DZ
UNF
OVF
OPERR-Set if one operand is infinity and the other zero. Cleared otherwise.
SNAN -Set if operand is a signaling NaN. Cleared otherwise.
NAN
UNCC -Always cleared.
IER Flags: Flags changed according to standard definition.
A - 154
Floating-Point Multiply
D
D
- Not affected.
- Not affected.
- Set if result is zero. Cleared otherwise.
- Set if result is negative. Cleared otherwise.
- Set if result is infinity. Cleared otherwise.
- Not affected.
- Not affected.
- Not affected.
-Set if result is inexact. Cleared otherwise.
-Always cleared.
-Set if result underflows. Cleared otherwise.
-Set if result overflows. Cleared otherwise.
-Set if result is a NaN. Cleared otherwise.
DSP96002 USER'S MANUAL
Assembler Syntax:
FMPY.X S1,S2,D
(move syntax - see the MOVE instruction descrip-
tion.)
FMPY.X S2,S1,D
(move syntax - see the MOVE instruction descrip-
tion.)
FMPY.X
MOTOROLA