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_CountLeadingSigns, _CountLeadingSigns64 (Windows Embedded CE 6.0)

  • Article

1/5/2010

This function returns the number of contiguous bits that match the sign bit, starting with the next most significant bit.

Syntax

unsigned __cdecl _CountLeadingSigns(
  long arg1
);

unsigned __cdecl _CountLeadingSigns64(
  __int64 arg1
);

Parameters

  • arg1
    [in] The unsigned integer value that the function operates on.

Return Values

The number of contiguous bits in arg1 that match the sign bit.

Remarks

This function can be implemented by calling a runtime function.

Requirements

Architecture ARM, MIPS, SH-4
Header cmnintrin.h
Routine _CountLeadingSigns

See Also

Reference

Common Intrinsic Functions for Device Compilers

Other Resources

Intrinsic Functions for Device Compilers