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653 Commits

Author SHA1 Message Date
Andrew John Hughes
a6a41760f1 6884552: remove some unnecessary #ifdef's introduced in the fix for 4957990 
Removed the unnecessary #ifdef's which were interfering with the build of the Zero-assembler port

Reviewed-by: ysr, jcoomes
 2009-09-23 11:36:06 -07:00
Andrey Petrusenko
0b2a3eda9c Merge 2009-09-18 06:02:17 -07:00
Y. Srinivas Ramakrishna
8c18990964 6861557: G1: assert(top() == bottom() || zfs == Allocated,"Region must be empty, or ...") 
Druing heap shrinking, check for emptiness of a region before modifying its ZF status.

Reviewed-by: tonyp
 2009-09-15 16:50:50 -07:00
Vladimir Kozlov
5e31e14ea4 Merge 2009-09-14 11:45:03 -07:00
Vladimir Kozlov
e0519e7bbd 6880053: assert(alloc_obj->as_CheckCastPP()->type() != TypeInstPtr::NOTNULL) 
Removed second CheckCastPP and use MembarCPUOrder after arraycopy to cloned object.

Reviewed-by: never
 2009-09-10 18:18:06 -07:00
Y. Srinivas Ramakrishna
e42ca11cd1 6872136: CMS: confusing message may be printed when a collector is switched off implicitly 
Fix CDS/CMS option overrides related to iCMS option CMSIncrementalMode; explicate overrides to error stream.

Reviewed-by: coleenp
 2009-09-10 16:46:17 -07:00
Vladimir Kozlov
515f68b637 6880574: C2 assert in escape.cpp:445 on linux-amd64 
Look through chained AddP nodes in get_addp_base().

Reviewed-by: jrose
 2009-09-10 10:36:24 -07:00
Vladimir Kozlov
f0f6f93143 6880052: SIGSEGV in GraphKit::null_check_common() 
Check that a klass is not NULL before the is_loaded() call.

Reviewed-by: never
 2009-09-08 16:56:31 -07:00
Vladimir Kozlov
d486b5f5fd 6875619: CTW fails with /hotspot/src/share/vm/opto/type.hpp 
In load_array_length() cast array's type to TypeOopPtr when calling make_ideal_length() method.

Reviewed-by: never
 2009-09-08 10:42:50 -07:00
Andrey Petrusenko
9ae6fb796e Merge 2009-09-04 05:31:37 -07:00
Tom Rodriguez
57a92290f4 6855215: Calculation error (NaN) after about 1500 calculations 
Reviewed-by: kvn
 2009-08-31 17:07:53 -07:00
Changpeng Fang
457be8ad49 6876276: assert(!is_visited,"visit only once") 
Schedule the superword loads based on dependence constraints

Reviewed-by: kvn, never
 2009-08-31 08:31:45 -07:00
Vladimir Kozlov
343b5b0bef 6875577: CTW fails with /hotspot/src/share/vm/opto/memnode.cpp 
Fix do_null_check to check for unloaded klass for all oop pointers.

Reviewed-by: never, cfang
 2009-08-28 11:19:33 -07:00
Christian Thalinger
b357ca3ad1 6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String 
Ldc seems to load an empty String and that leads to an assert on offset < length, which are both zero.

Reviewed-by: kvn, never
 2009-08-27 06:17:23 -07:00
Vladimir Kozlov
15d404c6c6 Merge 2009-08-25 13:08:40 -07:00
Vladimir Kozlov
2a362d8b87 6873800: enable compressed oops by default 
Enable compressed oops by default

Reviewed-by: never, ysr
 2009-08-24 11:13:46 -07:00
Changpeng Fang
ff9a1bddb5 6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit 
Use PcDesc to keep record of the reexecute bit instead of using DebugInfoStreams

Reviewed-by: kvn, never, twisti
 2009-08-20 12:42:57 -07:00
Vladimir Kozlov
15b6cdf897 6873799: enable escape analysis by default 
Enable escape analysis by default

Reviewed-by: never
 2009-08-19 19:05:18 -07:00
Tom Rodriguez
0217f432c2 6873777: FPU control word optimization still performed with SSE 
Reviewed-by: kvn
 2009-08-19 18:54:35 -07:00
Andrei Pangin
ab4b4a6433 Merge 2009-08-17 15:03:39 -07:00
Tom Rodriguez
cc01c0f4f6 6795465: Crash in assembler_sparc.cpp with client compiler on solaris-sparc 
Reviewed-by: twisti, cfang
 2009-08-17 14:45:02 -07:00
Changpeng Fang
05c34e93bd 6866651: Regression: simple int sum crashes jvm (build 1.6.0_14-b08 and 1.7.0-ea-b59) 
Delay dead code elimination in set_req_X to make it safe

Reviewed-by: kvn, never
 2009-08-17 12:11:06 -07:00
Tom Rodriguez
61d82b75be Merge 2009-08-14 22:11:18 -07:00
Tom Rodriguez
7d0158d27f Merge 2009-08-14 15:55:26 -07:00
Tom Rodriguez
398fffa232 6862863: C2 compiler fails in elide_copy() 
Reviewed-by: kvn
 2009-08-14 15:53:46 -07:00
Andrey Petrusenko
ead860c069 6872000: G1: compilation fails on linux/older gcc 
Reviewed-by: jcoomes, tonyp
 2009-08-14 13:44:15 -07:00
Vladimir Kozlov
6f927f1578 6869822: assert(Universe::narrow_oop_shift() == 0,"use unscaled narrow oop") 
Replace the assert with narrow_oop_shift set to 0.

Reviewed-by: never, jcoomes
 2009-08-14 12:23:11 -07:00
Tom Rodriguez
c94a076d34 6862956: PhaseIdealLoop should have a CFG verification mode 
Reviewed-by: kvn, twisti
 2009-08-14 00:02:12 -07:00
John Coomes
1a11be46ca 6867645: java -Xshare:dump failed - read only space too small 
Reviewed-by: iveresov, tonyp, ysr
 2009-08-12 14:27:54 -07:00
John Coomes
1a7648b1c2 6866585: debug code in ciObjectFactory too slow for large objects 
Reviewed-by: ysr, never, kvn
 2009-08-11 23:24:41 -07:00
Daniel D. Daugherty
aca1d9534f 6862945: 4/3 conversion of jmethodID to methodOop in JVMTI is too expensive 
Refactor JNIHandles::checked_resolve_jmethod_id() into fast and paranoid parts.

Reviewed-by: never, alanb
 2009-08-11 11:57:51 -06:00
Y. Srinivas Ramakrishna
7a1d233375 Merge 2009-08-09 17:03:51 -07:00
John R Rose
383f39ffa1 6868487: EnableInvokeDynamic and EnableMethodHandles should not be visible flags in JDK6 or JDK7 
Switch them from product to experimental; 6817525 will toggle them and switch to diagnostic

Reviewed-by: kvn
 2009-08-06 14:28:54 -07:00
Vladimir Kozlov
ab7a29cdcc Merge 2009-08-06 09:37:26 -07:00
John Coomes
3474b7fa5b 6821693: 64-bit TaskQueue capacity still too small 
6821507: Alignment problem in GC taskqueue

Reviewed-by: tonyp, apetrusenko
 2009-08-05 12:33:29 -07:00
Changpeng Fang
3e7e112ee5 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation 
Improvement on reexecute implementation to fix the assertion failure

Reviewed-by: kvn, never
 2009-08-04 21:32:08 -07:00
John Cuthbertson
f1cbffdd3e 6819077: G1: first GC thread coming late into the GC 
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
 2009-08-04 16:00:17 -07:00
John Cuthbertson
36917caf5e 6865703: G1: Parallelize hot card cache cleanup 
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
 2009-08-03 12:59:30 -07:00
Jon Masamitsu
73392a7312 Merge 2009-08-02 22:33:27 -07:00
Jon Masamitsu
bd1c93a58e 6843292: "Expect to be beyond new region unless impacting another region" assertion too strong 
In the assertion allow for collision with the guard page.

Reviewed-by: tonyp, ysr, jcoomes
 2009-08-02 19:10:31 -07:00
Jon Masamitsu
d9b7798319 6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG 
Use NewRatio if it is explicitly set.

Reviewed-by: ysr, jcoomes
 2009-08-02 18:44:36 -07:00
Changpeng Fang
ae00753bf7 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot 
Developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens

Reviewed-by: kvn, never, jrose, twisti
 2009-07-31 17:12:33 -07:00
Vladimir Kozlov
f2ea22a547 6865031: Application gives bad result (throws bad exception) with compressed oops 
Produce narrow type for new Phi from the original Phi type.

Reviewed-by: cfang
 2009-07-31 12:04:07 -07:00
Y. Srinivas Ramakrishna
968de64586 Merge 2009-07-31 10:41:29 -07:00
Antonios Printezis
243367ec16 6819085: G1: use larger and/or user settable region size 
Instead of the region size being hard-coded, allow the user to set it.

Reviewed-by: jmasa, johnc, apetrusenko
 2009-07-30 16:22:58 -04:00
Y. Srinivas Ramakrishna
c6763b5bad 4957990: Perm heap bloat in JVM 
Treat ProfileData in MDO's as a source of weak, not strong, roots. Fixes the bug for stop-world collection -- the case of concurrent collection will be fixed separately.

Reviewed-by: jcoomes, jmasa, kvn, never
 2009-09-02 00:04:29 -07:00
Andrey Petrusenko
2491751525 6841313: G1: dirty cards of survivor regions in parallel 
Reviewed-by: tonyp, iveresov
 2009-08-31 05:27:29 -07:00
John Coomes
e7c70c499b 6845368: large objects cause a crash or unexpected exception 
Reviewed-by: jmasa, iveresov
 2009-08-13 16:22:45 -07:00
John Coomes
662adda5e6 6861660: OopMapBlock count/size confusion 
Reviewed-by: tonyp, iveresov
 2009-08-11 15:37:23 -07:00
Antonios Printezis
6a97a03610 Merge 2009-08-24 13:52:42 -07:00