scalar_countleading0

Description

Counts the number of consecutive bits whose values are 0 in the 64-bit binary format of the source operand.

Prototype

scalar_countleading0(dst, src)

Parameters

**Table 1** Parameter description
Parameter	Input/Output	Description
dst	Output	A Scalar of type uint64, for the destination operand
src	Input	A Scalar of type uint64 or an immediate of type uint64, for the source operand

Applicability

Atlas 200/300/500 Inference Product

Atlas Training Series Product

Returns

None

Example

from tbe import tik
tik_instance = tik.Tik()
src_scalar = tik_instance.Scalar(dtype="uint64")
src_scalar.set_as(4)
dst_scalar = tik_instance.Scalar(dtype="uint64")
# dst_scalar=61
tik_instance.scalar_countleading0(dst_scalar, src_scalar)
tik_instance.BuildCCE(kernel_name="scalar_countleading0", inputs=[], outputs=[])

Parent topic: Single Operand