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