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FR81 Family
236 FUJITSU MICROELECTRONICS LIMITED CM71-00105-1E
CHAPTER 7 DETAILED EXECUTION INSTRUCTIONS
7.67
7.67 FCMPs (Single Precision Floating Point Compare)
FRk and FRj are compared, and the result is reflected on the floating point condition
code (FCC) of floating point control register (FCR).
● Assembler Format
FCMPs FRk, FRj
● Operation
FRk - FRj
The FCC is set as follows according to the comparison result.
● Classification
Single-precision floating point instruction, FR81 family
● Execution Cycles
1 cycle
● Instruction Format
FCC Comparison result
1000
H
(E) FRk = FRj
0100
H
(L) FRk < FRj
0010
H
(G) FRk > FRj
0001
H
(U) FRk ? FRj (not possible to compare)
MSB LSB
(n+0)0000011110100100
(n+2) - FRk FRj -