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 training product

Atlas inference product AI Core

Atlas inference product Vector Core

Atlas A2 training product/Atlas A2 inference product

Atlas 200I/500 A2 inference 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