git: openjdk/jdk: 8285793: C2: optimization of mask checks in counted loops fail in the presence of cast nodes

[Roland Westrelin]

Changeset: e98ac235
Author:    Roland Westrelin <roland at openjdk.org>
Date:      2022-04-29 11:19:27 +0000
URL:       https://git.openjdk.java.net/jdk/commit/e98ac2355306246e69ee9991e12077c633e80a05

8285793: C2: optimization  of mask checks in counted loops fail in the presence of cast nodes

Reviewed-by: kvn, thartmann

! src/hotspot/share/opto/mulnode.cpp
! test/hotspot/jtreg/compiler/c2/irTests/TestShiftAndMask.java