Analog Devices ADSP-2106x SHARC User Manual page 533

Compute Operations
Syntax:
Fn = ABS Fx
Function:
Returns the absolute value of the floating-point operand in register Fx by
setting the sign bit of the operand to 0. Denormal inputs are flushed to
+Zero. A NAN input returns an all 1s result.
Status flags:
AZ Is set if the result operand is +Zero, otherwise cleared.
AU Is cleared
AN Is cleared
AV Is cleared
AC Is cleared
AS Is set if the input operand is negative, otherwise cleared
AI Is set if the input operand is a NAN, otherwise cleared
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ALU Floating-Point
Fn = ABS Fx
B
B – 31