Fadd.x floating-point add fadd.x – Motorola DSP96002 User Manual
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DSP96002 USER’S MANUAL
MOTOROLA
FADD.X
Floating-Point Add
FADD.X
Operation:
D + S
→
ROUND(SEP)
→
D
(parallel data bus move)
Assembler Syntax:
FADD.X S,D (move syntax - see the MOVE instruc-
tion description.)
Description:
Add the two specified operands, 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
- Not affected.
V
- Not affected.
Z
- Set if result is zero. Cleared otherwise.
N
- Set if result is negative. Cleared otherwise.
I
- Set if result is infinity. Cleared otherwise.
LR
- Not affected.
–
R
- Not affected.
A
- Not affected.
ER Status Bits:
INX
-Set if result is inexact. Cleared otherwise.
DZ
-Always cleared.
UNF
-Set if result underflows. Cleared otherwise.
OVF
-Set if result overflows. Cleared otherwise.
OPERR-Set if operands are opposite-signed infinities. Cleared otherwise.
SNAN -Set if operand is a signaling NaN. Cleared otherwise.
NAN
-Set if result is a NaN. Cleared otherwise.
UNCC -Always cleared.
IER Flags: Flags changed according to standard definition.