assembly instruction

Hi,

I am using TM4C1290NCPDT customized board & IAR compiler.

I am  looking for the API's absolute - abs(), rotate left - LSL_C(), _prior(), mul32(),div32()

I could find some API's Abs(), LSL_C() ,FPMul() https://developer.arm.com/documentation/ddi0403/latest/ .

To use these API's required any specific include file or #pragma.I am getting errors if I use it directly.

Floating point FPMul() will support integer mul32 as well?.

Kindly help.

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