6902182: 4/4 Starting with jdwp agent should not incur performance penalty Summary: Rename can_post_exceptions support to can_post_on_exceptions. Add support for should_post_on_exceptions flag to permit per JavaThread optimizations. Reviewed-by: never, kvn, dcubed Contributed-by: tom.deneau@amd.com

6921992: failure in verify scheduling after 6792161 Reviewed-by: kvn

Merge

Merge

6921969: optimize 64 long multiply for case with high bits zero Reviewed-by: never, twisti, kvn, rasbold Contributed-by: Hiroshi Yamauchi <yamauchi@google.com>

6923043: failed nightly tests which use -XX:+PrintCompilation -Xcomp -XX:CompileOnly Summary: Print "made not compilable" line only for deoptimizations. Reviewed-by: never

6921922: fix for 6911204 breaks tagged stack interpreter Reviewed-by: kvn

6614597: Performance variability in jvm2008 xml.validation Summary: Fix incorrect marking of methods as not compilable. Reviewed-by: never

6921799: JSR 292 call sites should not be fixed-up Summary: MethodHandle invoke call sites should not be fixed-up by SharedRuntime::fixup_callers_callsite as c2i/i2c adapters are used to implement MethodHandle actions. Reviewed-by: kvn, never

6921352: JSR 292 needs its own deopt handler Summary: We need to introduce a new MH deopt handler so we can easily determine if the deopt happened at a MH call site or not. Reviewed-by: never, jrose

6916644: C2 compiler crash on x86 Reviewed-by: kvn, twisti

4360113: Evict nmethods when code cache gets full Summary: Speculatively unload the oldest nmethods when code cache gets full. Reviewed-by: never, kvn Contributed-by: eric.caspole@amd.com

6921339: backout 6917766 Reviewed-by: mr

6917766: JSR 292 needs its own deopt handler Summary: We need to introduce a new MH deopt handler so we can easily determine if the deopt happened at a MH call site or not. Reviewed-by: never, jrose

6792161: assert("No dead instructions after post-alloc") Reviewed-by: kvn

6920346: G1: "must avoid base_memory and AliasIdxTop" Reviewed-by: kvn