On Wed, 6 Apr 2022 06:02:07 GMT, Vamsi Parasa <d...@openjdk.java.net> wrote:
>> Optimizes the divideUnsigned() and remainderUnsigned() methods in >> java.lang.Integer and java.lang.Long classes using x86 intrinsics. This >> change shows 3x improvement for Integer methods and upto 25% improvement for >> Long. This change also implements the DivMod optimization which fuses >> division and modulus operations if needed. The DivMod optimization shows 3x >> improvement for Integer and ~65% improvement for Long. > > Vamsi Parasa has updated the pull request with a new target base due to a > merge or a rebase. The pull request now contains 13 commits: > > - Merge branch 'openjdk:master' into udivmod > - add error msg for jtreg test > - update jtreg test to run on x86_64 > - add bmi1 support check and jtreg tests > - Merge branch 'master' of https://git.openjdk.java.net/jdk into udivmod > - fix 32bit build issues > - Fix line at end of file > - Move intrinsic code to macro assembly routines; remove unused > transformations for div and mod nodes > - fix trailing white space errors > - fix whitespaces > - ... and 3 more: > https://git.openjdk.java.net/jdk/compare/741be461...acba7c19 Marked as reviewed by jbhateja (Committer). ------------- PR: https://git.openjdk.java.net/jdk/pull/7572
