hg: jdk/jdk: 8229496: SIGFPE (division by zero) in C2 OSR compiled method

[tobias.hartmann at oracle.com]

Changeset: 86b95fc6ca32
Author:    thartmann
Date:      2019-09-05 13:56 +0200
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/86b95fc6ca32

8229496: SIGFPE (division by zero) in C2 OSR compiled method
Summary: Adding a CastNode to keep the dependency between the div/mod operation and the zero check.
Reviewed-by: roland, mdoerr

! src/hotspot/cpu/aarch64/aarch64.ad
! src/hotspot/cpu/arm/arm.ad
! src/hotspot/cpu/ppc/ppc.ad
! src/hotspot/cpu/s390/s390.ad
! src/hotspot/cpu/sparc/sparc.ad
! src/hotspot/cpu/x86/x86_32.ad
! src/hotspot/cpu/x86/x86_64.ad
! src/hotspot/share/opto/castnode.cpp
! src/hotspot/share/opto/castnode.hpp
! src/hotspot/share/opto/cfgnode.cpp
! src/hotspot/share/opto/classes.hpp
! src/hotspot/share/opto/graphKit.cpp
! src/hotspot/share/opto/node.hpp
! src/hotspot/share/runtime/vmStructs.cpp
+ test/hotspot/jtreg/compiler/loopopts/TestDivZeroCheckControl.java