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808 Commits

Author SHA1 Message Date
Coleen Phillimore
3e69a71772 Merge 2009-07-27 17:23:52 -04:00
Mandy Chung
3c30eafbb5 6864003: Modify JVM_FindClassFromBootLoader to return null if class not found 
JVM_FindClassFromBootLoader returns null if class not found

Reviewed-by: acorn, alanb, dholmes
 2009-07-27 09:06:22 -07:00
Christian Thalinger
714db48492 Merge 2009-07-27 06:15:29 -07:00
Vladimir Kozlov
2641db378b 6863420: os::javaTimeNanos() go backward on Solaris x86 
Use new atomic long load method Atomic::load() to load max_hrtime.

Reviewed-by: never, ysr, johnc, phh, dcubed, acorn
 2009-07-26 16:40:14 -07:00
Vladimir Kozlov
9387db9948 6851386: assert(b->find_node(def) < j,"uses must follow definitions") 
Add additional check for a tight loop.

Reviewed-by: never
 2009-07-26 12:59:41 -07:00
Y. Srinivas Ramakrishna
1b6412363e Merge 2009-07-24 12:49:31 -07:00
Vladimir Kozlov
1a7cfb7023 Merge 2009-07-24 09:01:00 -07:00
Vladimir Kozlov
8dd34cd52f 6860599: nodes limit could be reached during Output phase 
Bailout compilation if nodes limit could be reached during Output phase.

Reviewed-by: never, twisti
 2009-07-23 14:53:56 -07:00
Y. Srinivas Ramakrishna
759881b511 6863216: Clean up debugging debris inadvertently pushed with 6700789 
Anti-delta for debugging debris that was inadvertently pushed.

Reviewed-by: kvn, tonyp
 2009-07-22 18:25:00 -07:00
Vladimir Kozlov
b0f75657c5 6826736: CMS: core dump with -XX:+UseCompressedOops 
Fix deoptimization code and OopMapSet::all_do() to check for oop = narrow_oop_base.

Reviewed-by: jcoomes, phh, ysr, never
 2009-07-22 15:48:51 -07:00
Andrey Petrusenko
0e783b7554 6862661: G1: _gc_alloc_region_counts is not updated properly after 6604422 
Implementation of RFE 6604422 (G1: re-use half-promoted regions) introduced incorrect _gc_alloc_region_counts updates which effectively disabled survivor spaces.

Reviewed-by: johnc, jmasa, tonyp
 2009-07-22 02:46:55 -07:00
John R Rose
db41917a7e Merge 2009-07-21 21:33:44 -07:00
John R Rose
6515225d49 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics 
Remove useless lazy evaluation of intrinsics; add LAST_COMPILER_INLINE to help categorize them

Reviewed-by: kvn
 2009-07-21 16:56:06 -07:00
Tom Rodriguez
62ca1df1dd 6857159: local schedule failed with checkcast of Thread.currentThread() 
Reviewed-by: kvn
 2009-07-21 16:42:58 -07:00
Christian Thalinger
6b849a12a0 6860920: serialize.cpp shouldn't use objArrayOopDesc::base_offset_in_bytes(T_BYTE) 
Serialize.cpp currently uses objArrayOopDesc::base_offset_in_bytes(T_BYTE), which seems to be wrong.

Reviewed-by: coleenp, kvn
 2009-07-20 08:20:00 -07:00
Poonam Bajaj
fea09e9cd0 6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS 
GlobalMemoryStatus() does not report correct memory usage when the system has more than 4gb of RAM. GlobalMemoryStatusEx() should be used in place of GlobalMemoryStatus().

Reviewed-by: kamg, coleenp
 2009-07-16 18:21:40 -07:00
Vladimir Kozlov
2e2f60507e 6851282: JIT miscompilation results in null entry in array when using CompressedOops 
Get type for new Phi from non dead path.

Reviewed-by: never
 2009-07-16 16:29:55 -07:00
Vladimir Kozlov
c3efa899b6 6851742: (EA) allocation elimination doesn't work with UseG1GC 
Fix eliminate_card_mark() to eliminate G1 pre/post barriers.

Reviewed-by: never
 2009-07-16 14:10:42 -07:00
Hiroshi Yamauchi
a24ea182cc 6860469: remix_address_expressions sets incorrect control causing crash in split_if_with_block_post 
Co-authored-by: Chuck Rasbold <rasbold@google.com>
Reviewed-by: never, kvn
 2009-07-15 13:37:35 -07:00
Antonios Printezis
26c66d0015 6859911: G1: assert(Heap_lock->owner() = NULL, "Should be owned on this thread's behalf") 
The used() method assumes that the heap lock is held when it is called. However, when used() is called from print_on(), this is not the case.

Reviewed-by: ysr, jmasa
 2009-07-15 12:22:59 -04:00
Y. Srinivas Ramakrishna
075c1335cb 6700789: G1: Enable use of compressed oops with G1 heaps 
Modifications to G1 so as to allow the use of compressed oops.

Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp
 2009-07-14 15:40:39 -07:00
Tom Rodriguez
df1c3da3f8 Merge 2009-07-13 15:00:22 -07:00
Tom Rodriguez
5a409d142f 6859338: amd64 native unverified entry point pushes values before implicit null check 
Reviewed-by: kvn, twisti
 2009-07-13 14:58:17 -07:00
Y. Srinivas Ramakrishna
50d7db1805 Merge 2009-07-10 16:01:20 -07:00
Antonios Printezis
1215bc6717 6855834: G1: minimize the output when -XX:+PrintHeapAtGC is set 
Changing the behavior of -XX:+PrintHeapAtGC for G1 from printing lengthy, per-region information to instead printing a concise summary.

Reviewed-by: ysr, apetrusenko, jcoomes
 2009-07-07 14:23:00 -04:00
Vladimir Kozlov
855149e2e6 Merge 2009-07-07 09:54:06 -07:00
Vladimir Kozlov
5a1032d9e6 6857661: 64-bit server VM: assert(is_Initialize(),"invalid node class") 
Move the secondary raw memory barrier to the correct place in generate_arraycopy().

Reviewed-by: never
 2009-07-06 15:53:30 -07:00
Jon Masamitsu
bac53feed5 Merge 2009-07-02 16:28:15 -07:00
Changpeng Fang
7a36ade1ec 6855164: SIGSEGV during compilation of method involving loop over CharSequence 
Don not split a block if it contains a FastLockNode with a PhiNode input.

Reviewed-by: kvn, never
 2009-07-02 16:18:19 -07:00
Vladimir Kozlov
bb726c6f28 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 
Put missed reference to allocated array in copyOf() intrinsic into OopMap for the call slow_arraycopy().

Reviewed-by: never
 2009-07-01 20:22:18 -07:00
Vladimir Kozlov
9d4cd45834 Merge 2009-07-01 15:06:54 -07:00
Tom Rodriguez
da11e65fa4 6856025: assert(_base >= OopPtr && _base <= KlassPtr,"Not a Java pointer") 
Reviewed-by: kvn
 2009-07-01 12:22:23 -07:00
Jeremy Manson
28d4ad46aa 6850957: Honor -XX:OnOutOfMemoryError when array size exceeds VM limit 
Call report_java_out_of_memory("Requested array size exceeds VM limit")

Reviewed-by: tbell, dholmes, alanb, ysr
 2009-06-29 14:42:12 -07:00
Mandy Chung
08f5aeffc1 6857194: Add hotspot perf counters to aid class loading performance measurement 
Add new jvmstat counters to measure detailed class loading time

Reviewed-by: acorn, kamg
 2009-07-10 11:10:00 -07:00
Antonios Printezis
eec17fe775 6855115: G1: Fix for 6850869 is incorrect 
Missed updating two variable names when improving the code for 6850869.

Reviewed-by: iveresov, jmasa, ysr
 2009-06-29 12:17:03 -04:00
Tom Rodriguez
986d570981 6851908: interpreter null check profiling broken causing extra compilation invalidation 
Reviewed-by: kvn
 2009-06-26 16:14:31 -07:00
Tom Rodriguez
3bdd70fe18 6818666: G1: Type lost in g1 pre-barrier 
Reviewed-by: kvn
 2009-06-26 13:03:29 -07:00
Andrey Petrusenko
bf215dbb7e 6854027: Precompiled headers are not being updated in Linux/GCC builds 
Fixes incorrect handling of precompiled headers in diff mode.

Reviewed-by: never, twisti
 2009-06-26 09:22:19 -07:00
Christian Thalinger
a9ad90fa87 5057225: Remove useless I2L conversions 
The optimizer should be told to normalize (AndL (ConvI2L x) 0xFF) to (ConvI2L (AndI x 0xFF)), and then the existing matcher rule will work for free.

Reviewed-by: kvn
 2009-06-26 07:26:10 -07:00
Vladimir Kozlov
8f6070ce0e 6841800: Incorrect boundary values behavior for option -XX:MaxLabelRootDepth=0-6 leads to jvm crash 
MaxLabelRootDepth value less then 10 is invalid.

Reviewed-by: never
 2009-06-24 12:00:51 -07:00
Antonios Printezis
3a643c42b0 6850869: G1: RSet "scrubbing" scrubs too much 
RSet scrubbing incorrectly deletes RSet entries that point to regions tagged as "continues humongous" due to a race when RSet scrubbing iterates over regions in parallel.

Reviewed-by: apetrusenko, iveresov
 2009-06-24 11:42:03 -04:00
Chuck Rasbold
2c5f52b511 6837094: False positive for "meet not symmetric" failure 
Have the meet not symmetric check recursively do the interface-vs-oop check on array subtypes.

Reviewed-by: jrose
 2009-06-23 17:52:29 -07:00
Antonios Printezis
f741e2fceb 6850846: G1: extend G1 marking verification 
Extend G1 marking verification to use either the "prev" or "next" marking information, as appropriate.

Reviewed-by: johnc, ysr
 2009-06-12 16:20:16 -04:00
John Coomes
24f3527be2 6849716: BitMap - performance regression introduced with G1 
Make verification code visible only in debug builds

Reviewed-by: iveresov, ysr, johnc, apetrusenko, tonyp
 2009-06-11 13:31:01 -07:00
Tom Rodriguez
0f4f530213 6849574: VM crash using NonBlockingHashMap (high_scale_lib) 
Reviewed-by: kvn
 2009-06-10 12:19:48 -07:00
Vladimir Kozlov
7b9d6a79ac 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14 
Disable escape analysis when jvmti/debugger is used. Add support for EA ibto SA.

Reviewed-by: never
 2009-06-09 16:19:10 -07:00
John Coomes
10002fa2ff 6814552: par compact - some compilers fail to optimize bitmap code 
Reviewed-by: tonyp, iveresov, jmasa, ysr
 2009-06-07 22:08:24 -07:00
John Cuthbertson
70fe3ca4f5 6843694: G1: assert(index < _vs.committed_size(),"bad index"), g1BlockOffsetTable.inline.hpp:55 
For heaps larger than 32Gb, the number of heap regions overflows the data type used to hold the region index in the SparsePRT structure. Changed the region indexes, card indexes, and RSet hash table buckets to ints and added some size overflow guarantees.

Reviewed-by: ysr, tonyp
 2009-06-11 17:19:33 -07:00
Y. Srinivas Ramakrishna
9d9317de4c 6820167: GCALotAtAllSafepoints + FullGCALot(ScavengeALot) options crash JVM 
Short-circuit gc-a-lot attempts by non-JavaThreads; SkipGCALot c'tor to elide re-entrant gc-a-lot attempts.

Reviewed-by: apetrusenko, jcoomes, jmasa, kamg
 2009-06-11 12:40:00 -07:00
Jon Masamitsu
46dcdf10e6 Merge 2009-06-10 14:57:21 -07:00