dragonwell-project / dragonwell11

Alibaba Dragonwell11 JDK
https://www.aliyun.com/product/dragonwell
GNU General Public License v2.0
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[Backport] 8261553: Efficient mask generation using BMI2 BZHI instruc… #700

Closed JinZhonghui closed 1 year ago

JinZhonghui commented 1 year ago

…tion

Summary: [Backport] 8261553: Efficient mask generation using BMI2 BZHI instruction Only introduce genmask() and bzhiq()

Test Plan: ci jtreg

Reviewed-by: JoshuaZhuwj

Issue: https://github.com/dragonwell-project/dragonwell11/issues/690