ST20CX 查看數據表（PDF） - STMicroelectronics

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ST20CX

Instruction Set Reference Manual

STMicroelectronics 

cflerr

cflerr

check floating point error

Code: 27 F3

Description: Checks if Areg represents an Inf or NaN.

Definition:

if (Areg ∧ #7F800000 = #7F800000)

IntegerError

Error signals:

IntegerError signalled if Areg represents an Inf or NaN.

Comments:

Secondary instruction.

See also: unpacksn roundsn postnormsn ldinf

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