80
CS/CJ/NSJ Series Instructions Reference Manual (W474)
2. Summary of Instructions
2-2-14 Double-precision Floating-point Instructions
The Double-precision Floating-point Instructions are supported only by the
CJ2, CS1-H, CJ1-H, CJ1M, or CS1D CPU Units.
Instruction
Mnemonic
Code
Symbol/Operand Function Location
Execution
condition
Page
DOUBLE FLOAT-
ING TO 16-BIT
BINARY
FIXD
@FIXD
841
Converts the specified double-precision floating-point data (64 bits) to 16-
bit signed binary data and outputs the result to the destination word.
Output
Required
521
DOUBLE FLOAT-
ING TO 32-BIT
BINARY
FIXLD
@FIXLD
842
Converts the specified double-precision floating-point data (64 bits) to 32-
bit signed binary data and outputs the result to the destination words.
Output
Required
521
16-BIT BINARY
TO DOUBLE
FLOATING
DBL
@DBL
843
Converts the specified 16-bit signed binary data to double-precision float-
ing-point data (64 bits) and outputs the result to the destination words.
Output
Required
523
32-BIT BINARY
TO DOUBLE
FLOATING
DBLL
@DBLL
844
Converts the specified 32-bit signed binary data to double-precision float-
ing-point data (64 bits) and outputs the result to the destination words.
Output
Required
523
DOUBLE FLOAT-
ING-POINT ADD
+D
@+D
845
Adds the specified double-precision floating-point values (64 bits each)
and outputs the result to the result words.
Output
Required
525
DOUBLE FLOAT-
ING-POINT SUB-
TRACT
−D
@−D
846
Subtracts the specified double-precision floating-point values (64 bits
each) and outputs the result to the result words.
Output
Required
525
FIXD(841)
S
D
S: 1st source
word
D: Destination
word
FIXLD(842)
S
D
S: 1st source
word
D: 1st destination
word
DBL(843)
S
D
S: Source word
D: 1st destination
word
DBLL(844)
S
D
S: 1st source
word
D: 1st destination
word
+D(845)
Au
Ad
R
Au: 1st augend
word
Ad: 1st addend
word
R: 1st result word
−D(846)
Mi
Su
R
Mi: 1st minuend
word
Su: 1st subtra-
hend word
R: 1st result word
To Next Page
Loading...
Need help?
General
