start of change

Count Leading Zeros 4 Bytes (CNTLZ4)

Bound program access

Built-in number for CNTLZ4 is 703. CNTLZ4 ( source : unsigned binary(4) ) : unsigned binary(4) /* result */

Description

The source operand is examined to determine the number of consecutive zero bits starting with the leftmost bit, i.e. bit 0. A value in the range of 0 to 32, inclusive, is returned in result.

Authorization Required

Lock Enforcement

Exceptions

end of change