jrose [Fri, 13 Mar 2009 18:39:22 -0700] rev 2256
6813212: factor duplicated assembly code for general subclass check (for 6655638)
Summary: Code in interp_masm, stubGenerator, c1_LIRAssembler, and AD files moved into MacroAssembler.
Reviewed-by: kvn
twisti [Fri, 13 Mar 2009 11:35:17 -0700] rev 2255
6378821: bitCount() should use POPC on SPARC processors and AMD+10h
Summary: bitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware.
Reviewed-by: kvn, never
kvn [Thu, 12 Mar 2009 10:37:46 -0700] rev 2254
6791178: Specialize for zero as the compressed oop vm heap base
Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp
twisti [Wed, 11 Mar 2009 14:16:13 -0700] rev 2253
6812587: Use auxv to determine SPARC hardware features on Solaris
Summary: A similar function to getisax(2) should be used to determine all possible instruction set extensions.
Reviewed-by: never, kvn
tonyp [Wed, 18 Mar 2009 11:37:48 -0400] rev 2252
Merge
iveresov [Mon, 16 Mar 2009 17:48:01 -0700] rev 2251
6815683: G1: SEGV during marking
Summary: We should mark the regions that continue humongous regions as live if the first region is live.
Reviewed-by: tonyp
tonyp [Mon, 16 Mar 2009 10:52:44 -0400] rev 2250
6816154: G1: introduce flags to enable/disable RSet updating and scanning
Summary: Introduces two flags, -XX:-/+G1EnableParallelRSetUpdating and -XX:-/+G1EnableParallelRSetScanning, to turn on/off the "band aid" fix that serializes RSet updating / scanning during GCs.
Reviewed-by: iveresov
iveresov [Mon, 16 Mar 2009 08:01:32 -0700] rev 2249
6817419: G1: Enable extensive verification for humongous regions
Summary: Enabled full verification for humongous regions. Also made sure that the VerifyAfterGC works with deferred updates and G1HRRSFlushLogBuffersOnVerify.
Reviewed-by: tonyp
tonyp [Sun, 15 Mar 2009 22:03:38 -0400] rev 2248
6604422: G1: re-use half-promoted regions
6728271: G1: Cleanup G1CollectedHeap::get_gc_alloc_regions()
Summary: It allows the last half-full region to be allocated to during a GC to be reused during the next GC.
Reviewed-by: apetrusenko, jcoomes
ysr [Fri, 13 Mar 2009 17:06:44 -0700] rev 2247
Merge