Fneg.x negate fneg.x – Motorola DSP96002 User Manual
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DSP96002 USER’S MANUAL
MOTOROLA
FNEG.X
Negate
FNEG.X
Operation:
0 - D
→
D (parallel data bus move)
Assembler Syntax:
FNEG.X D
(move syntax - see the MOVE instruction descrip-
tion.)
Description:
Subtract the destination operand D from zero 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
-Always cleared.
DZ
-Always cleared.
UNF
-Always cleared.
OVF
-Always cleared.
OPERR-Always cleared.
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.
Instruction Format: FNEG.X D (move syntax - see the MOVE instruction description.)
10
0001
uu00
0ddd
31
14 13
0
OPTIONAL EFFECTIVE ADDRESS EXTENSION OR IMMEDIATE LONG DATA
DATA BUS MOVE FIELD