Справочник Пользователя для Renesas M32R-FPU
3
3-41
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
UIPL
QNaN
SNaN
QNaN
SNaN
+0
+0
+Infinity
+Infinity
IVLD
-Infinity
-Infinity
00000000
00000000
00000000
-0
+Infinity
+Infinity
-Infinity
-Infinity
-0
Rsrc1
Normalized
Number
Normalized
Number
Denormalized
Number
Denormalized
Number
comparison
Rsrc2
QNaN
SNaN
QNaN
SNaN
+0, +
+0, +
-0, -
-0, -
+Infinity
+Infinity
IVLD
-Infinity
-Infinity
00000000
00000000
00000000
+Infinity
+Infinity
-Infinity
-Infinity
Rsrc1
Normalized Number
Normalized
Number
Denormalized
Number
Denormalized
Number
Denormalized
Number
Denormalized
Number
comparison
FCMPE
FCMPE
floating point Instructions
Floating-point compare with exception
if unordered
[M32R-FPU Extended Instruction]