Count Leading Zeros 4 Bytes (CNTLZ4)

Instruction Syntax

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

• None

Lock Enforcement

• None

Exceptions

• None