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__qsub intrinsic

This intrinsic inserts a QSUB instruction or an equivalent code sequence into the instruction stream generated by the compiler. It enables you to obtain the saturating subtraction of two integers from within your C or C++ code.

Syntax

int __qsub(int val1, int val2)

Where:

val1

is the minuend of the saturating subtraction operation

val2

is the subtrahend of the saturating subtraction operation.

Return value

The __qsub intrinsic returns the saturating subtraction of val1 and val2.

See also