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Compiler/TMS570LS0714: Question about the _norm(int src ) Intrinsics

Huihuang Chen
Expert 4050 points
Part Number: TMS570LS0714

Tool/software: TI C/C++ Compiler

Hi Champ,

in the SPNU151 , there have below ARM Compiler Intrinsics,

Could you advise this intrinsics means?

  • 0
    TI__Guru**** 249380 points

    An intrinsic acts just like a function call.  But it is implemented not by calling an instruction, but by using one instruction (sometimes a few instructions).  In this case, the CLZ instruction it used.  It returns the number of binary zero bits before the first binary one bit in the source value.

    Thanks and regards,

    -George