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FR81 Family
258 FUJITSU MICROELECTRONICS LIMITED CM71-00105-1E
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.82
7.82 FSQRTs (Single Precision Floating Point Square Root)
A square root of FRj is calculated, and its result is stored in FRi.
Assembler Format
FSQRTs FRj, FRi
Operation
FRj FRi
Classification
Single-precision floating point instruction, FR81 family
Execution Cycles
14 cycles
Instruction Format
EIT Occurrence and Detection
An invalid instruction exception (FPU absence error), an FPU exception, or an interrupt is detected.
Calculation result and exception flag
MSB LSB
(n+0)0000011110101011
(n+2) - - FRj FRi
FRj
+0 -0 +Norm -Norm +INF -INF QNaN SNaN
+0/(-) -0/(-) +Norm/(X) QNaN/V +INF/(-) QNaN/V QNaN/(-) QNaN/V