Merge

Merge

Merge

6872000: G1: compilation fails on linux/older gcc Reviewed-by: jcoomes, tonyp

Merge

6867645: java -Xshare:dump failed - read only space too small Reviewed-by: iveresov, tonyp, ysr

6866585: debug code in ciObjectFactory too slow for large objects Reviewed-by: ysr, never, kvn

Merge

6821693: 64-bit TaskQueue capacity still too small 6821507: Alignment problem in GC taskqueue Reviewed-by: tonyp, apetrusenko

Merge

6868487: EnableInvokeDynamic and EnableMethodHandles should not be visible flags in JDK6 or JDK7 Summary: switch them from product to experimental; 6817525 will toggle them and switch to diagnostic Reviewed-by: kvn

6868051: (SA) FreeChunk support for compressed oops is broken Reviewed-by: kvn, dcubed

Merge

6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation Summary: Improvement on reexecute implementation to fix the assertion failure Reviewed-by: kvn, never

6868486: timouts and outOfMemory in regression tests Summary: Increase timeout for tests and heap size for 6851282 test. Reviewed-by: never, cfang

6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot Summary: developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens Reviewed-by: kvn, never, jrose, twisti

6865031: Application gives bad result (throws bad exception) with compressed oops Summary: Produce narrow type for new Phi from the original Phi type. Reviewed-by: cfang

6864914: SPECjvm2008 produces invalid result with zero based Compressed Oops Summary: Always use "lea" instruction for narrow oop decoding instead of "shift". Reviewed-by: never

6863155: Server compiler generates incorrect code (x86, long, bitshift, bitmask) Summary: Code compiled with server compiler generates an incorrect result. Reviewed-by: cfang, never, kvn

Merge

6860920: serialize.cpp shouldn't use objArrayOopDesc::base_offset_in_bytes(T_BYTE) Summary: serialize.cpp currently uses objArrayOopDesc::base_offset_in_bytes(T_BYTE), which seems to be wrong. Reviewed-by: coleenp, kvn

6863420: os::javaTimeNanos() go backward on Solaris x86 Summary: Use new atomic long load method Atomic::load() to load max_hrtime. Reviewed-by: never, ysr, johnc, phh, dcubed, acorn

6851386: assert(b->find_node(def) < j,"uses must follow definitions") Summary: Add additional check for a tight loop. Reviewed-by: never

6861984: solaris version of libsaproc.so should support SA_ALTROOT directly Reviewed-by: kvn, twisti

6868991: JPRT: elide GCBasher_G1 test on winx64 until 6867250 is resolved Summary: JPRT: elide GCBasher_G1 test on winx64 until 6867250 is resolved Reviewed-by: jcoomes

6819077: G1: first GC thread coming late into the GC. Summary: The first worker thread is delayed when entering the GC because it clears the card count table that is used in identifying hot cards. Replace the card count table with a dynamically sized evicting hash table that includes an epoch based counter. Reviewed-by: iveresov, tonyp

6865703: G1: Parallelize hot card cache cleanup Summary: Have the GC worker threads clear the hot card cache in parallel by having each worker thread claim a chunk of the card cache and process the cards in that chunk. The size of the chunks that each thread will claim is determined at VM initialization from the size of the card cache and the number of worker threads. Reviewed-by: jmasa, tonyp

Merge

6843292: "Expect to be beyond new region unless impacting another region" assertion too strong Summary: In the assertion allow for collision with the guard page. Reviewed-by: tonyp, ysr, jcoomes

6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG Summary: Use NewRatio if it is explicitly set. Reviewed-by: ysr, jcoomes