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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