HighBitSet32.c

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#include "BaseLibInternals.h"
 
INTN
EFIAPI
HighBitSet32 (
  IN      UINT32  Operand
  )
{
  INTN  BitIndex;
 
  if (Operand == 0) {
    return -1;
  }
 
  for (BitIndex = 31; (INT32)Operand > 0; BitIndex--, Operand <<= 1) {
  }
 
  return BitIndex;
}