On Wed, 23 Feb 2022 05:46:45 GMT, Jatin Bhateja <jbhat...@openjdk.org> 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. > > src/hotspot/share/opto/divnode.cpp line 1350: > >> 1348: return NULL; >> 1349: } >> 1350: > > Please remove Value and Ideal routines if no explicit transforms are being > done. Will remove the unused transformations. > src/hotspot/share/opto/divnode.cpp line 1362: > >> 1360: } >> 1361: >> 1362: >> //============================================================================= > > You can remove Ideal routine is not transformation is being done. Will remove the unused transformation. ------------- PR: https://git.openjdk.java.net/jdk/pull/7572
