RFR: 8266267: Remove unnecessary jumps in Intel Math Library StubRoutines

Jie Fu jiefu at openjdk.java.net
Thu Apr 29 23:21:55 UTC 2021


On Thu, 29 Apr 2021 16:25:35 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

> How you found them?

To make sure the x64's stub code works for x=-0.0 while doing https://github.com/openjdk/jdk/pull/3712 , I took a look at the generated code.
Then I found the unnecessary jump at the beginning of dpow's stub.
Thanks.

-------------

PR: https://git.openjdk.java.net/jdk/pull/3784


More information about the hotspot-compiler-dev mailing list