On Fri, 8 Apr 2022 22:17:23 GMT, Srinivas 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. > > Srinivas Vamsi Parasa has updated the pull request incrementally with one > additional commit since the last revision: > > Fix the divmod crash due to lack of control node This change appears to be causing crashes in tier4 - possibly Xcomp related: # assert(ctrl == kit.control()) failed: Control flow was added although the intrinsic bailed out I will file a new bug. ------------- PR: https://git.openjdk.java.net/jdk/pull/7572
