1010 Commits

Author SHA1 Message Date
Changpeng Fang
1cf5b7ae11 6879921: CTW failure jdk6_18/hotspot/src/share/vm/utilities/globalDefinitions.cpp:268
Filter out non-primitives before deciding whether two ops can be packed

Reviewed-by: kvn, never
2009-09-15 11:09:34 -07:00
Vladimir Kozlov
243514d483 6827605: new String intrinsics may prevent EA scalar replacement
6875866: Intrinsic for String.indexOf() is broken on x86 with SSE4.2

Modify String intrinsic methods to pass char[] pointers instead of string oops.

Reviewed-by: never
2009-09-14 12:14:20 -07:00
Vladimir Kozlov
5e31e14ea4 Merge 2009-09-14 11:45:03 -07:00
Changpeng Fang
c492f4cde5 6877254: Server vm crashes with no branches off of store slice" when run with CMS and UseSuperWord(default)
Design StoreCMNode::Ideal to promote its oopStore input if the input is a MergeMem node

Reviewed-by: kvn, never
2009-09-14 09:49:54 -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
Karen Kinnear
ab1485b385 Merge 2009-09-10 09:04:41 -04:00
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
Andrew John Hughes
361f8360c0 Merge 2009-09-08 09:02:48 +01:00
Andrew John Hughes
9cbfcde9a7 6879689: Fix warning about ignored return value when compiling with -O2
Store the return value of fwrite and check it matches the size of the array.

Reviewed-by: twisti, dholmes
2009-09-08 09:01:16 +01:00
Karen Kinnear
488e99efd8 6830542: Performance: JVM_DefineClass already verified
Reviewed-by: kamg, phh
2009-09-04 12:53:02 -04:00
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
Andrei Pangin
13516fe398 Merge 2009-08-30 15:33:14 -07:00
Daniel D. Daugherty
2357edfa00 Merge 2009-08-28 12:32:06 -06:00
Daniel D. Daugherty
779247f1cb 6875393: 2/3 JNI itable index cache is broken
Add missing initialization of cache size.

Reviewed-by: tbell
2009-08-28 12:25:46 -06:00
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