> 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.
Srinivas Vamsi Parasa has updated the pull request incrementally with one additional commit since the last revision: Idead Ideal for udiv, umod nodes and update jtreg tests to use corner cases ------------- Changes: - all: https://git.openjdk.java.net/jdk/pull/7572/files - new: https://git.openjdk.java.net/jdk/pull/7572/files/9949047c..bfb6c02e Webrevs: - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7572&range=10 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7572&range=09-10 Stats: 701 lines in 7 files changed: 423 ins; 274 del; 4 mod Patch: https://git.openjdk.java.net/jdk/pull/7572.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/7572/head:pull/7572 PR: https://git.openjdk.java.net/jdk/pull/7572
