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M32R-FPU Software Manual (Rev.1.01)
INSTRUCTIONS
3.2 Instruction description
[Supplemental Operation Description]
The following shows the values of Rsrc1 and Rsrc2 and the operation results when DN = 0 and
DN = 1.
DN=0
DN=1
IVLD: Invalid Operation Exception
UIPL: Unimplemented Exception
NaN: Not a Number
SNaN: Signaling NaN
QNaN: Quiet NaN
Rsrc2
Multiplication
UIPL
QNaN
QNaN
SNaN
QNaN
SNaN
+0
+0
+0
+0
+Infinity
+Infinity
Infinity
IVLD
-Infinity
-Infinity
IVLD
IVLD
-Infinity
+Infinity
Infinity
-0
-0
-0
+Infinity
-Infinity
-0
Rsrc1
Normalized 
Number
Normalized 
Number
Denormalized 
Number
Denormalized 
Number
Rsrc1
Rsrc2
QNaN
QNaN
SNaN
QNaN
SNaN
 +0, +
 +0, +
  -0, -
 -0, -
+0
+0
+Infinity
+Infinity
Infinity
IVLD
-Infinity
-Infinity
IVLD
IVLD
-Infinity
+Infinity
Infinity
-0
-0
+Infinity
-Infinity
Normalized 
Number
Normalized 
Number
Multiplication
Denormalized 
Number
Denormalized 
Number
Denormalized 
Number
Denormalized 
Number
FMUL
FMUL
floating point Instructions
Floating-point multiply
[M32R-FPU Extended Instruction]