Version: Unity 6.6 Alpha (6000.6)
LanguageEnglish
  • C#

X86.Bmi1.bextr_u64

Leave feedback
Suggest a change

Success!

Thank you for helping us improve the quality of Unity Documentation. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable.

Close

Submission failed

For some reason your suggested change could not be submitted. Please <a>try again</a> in a few minutes. And thank you for taking the time to help us improve the quality of Unity Documentation.

Close

Cancel

Declaration

public static ulong bextr_u64(ulong a, uint start, uint len);

Parameters

Parameter Description
a 64-bit integer
start Starting bit
len Number of bits

Returns

ulong 64-bit integer

Description

Extract contiguous bits from unsigned 64-bit integer a, and store the result in dst. Extract the number of bits specified by len, starting at the bit specified by start.

____ bextr r64, r64, r64

Is something described here not working as you expect it to? It might be a Known Issue. Please check with the Issue Tracker at issuetracker.unity3d.com.

Copyright ©2005-2026 Unity Technologies. All rights reserved. Built from job ID 70003538. Built on: 2026-06-15.
Tutorials Community Answers Knowledge Base Forums Asset Store Terms of use Legal Privacy Policy Cookies Do Not Sell or Share My Personal Information