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42 Commits

Author SHA1 Message Date
Roland Westrelin
1b5bd82335 8024070: C2 needs some form of type speculation 
Record unused type profile information with type system, propagate and use it.

Reviewed-by: kvn, twisti
 2013-10-23 12:40:23 +02:00
Vladimir Ivanov
0059da4a6d 8024774: assert(_con < t->is_tuple()->cnt()) failed: ProjNode::_con must be in range 
Reviewed-by: iveresov, roland, kvn, twisti
 2013-10-07 14:12:23 +04:00
Vladimir Kozlov
b4977e887a 6934604: enable parts of EliminateAutoBox by default 
Resurrected autobox elimination code and enabled part of it by default.

Reviewed-by: roland, twisti
 2013-05-08 15:08:01 -07:00
Bharadwaj Yadavalli
6132db352d 8009539: JVM crash when run lambda testng tests 
Ensure class pointer is non-null before dereferencing it to check if it is loaded.

Reviewed-by: kvn
 2013-03-22 07:58:55 -07:00
Christian Thalinger
31411dbc32 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() 
Reviewed-by: kvn, jrose
 2012-11-26 17:25:11 -08:00
Roland Westrelin
61eb5a0549 7054512: Compress class pointers after perm gen removal 
Support of compress class pointers in the compilers.

Reviewed-by: kvn, twisti
 2012-10-09 10:11:38 +02:00
Bharadwaj Yadavalli
d5d2e78faa 7193318: C2: remove number of inputs requirement from Node's new operator 
Deleted placement new operator of Node - node(size_t, Compile *, int).

Reviewed-by: kvn, twisti
 2012-09-27 09:38:42 -07:00
Jon Masamitsu
5c58d27aac 6964458: Reimplement class meta-data storage to use native memory 
Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
 2012-09-01 13:25:18 -04:00
Vladimir Kozlov
761e0b221d 7180769: assert(tboth->klass_is_exact()) failed: klass should be exact 
Use class exactness as part of the condition for class compare optimization instead of assert.

Reviewed-by: twisti, roland
 2012-07-02 12:59:43 -07:00
Krystal Mok
a9ea68bd3f 7170463: C2 should recognize "obj.getClass() == A.class" code pattern 
Optimize this code pattern obj.getClass() == A.class.

Reviewed-by: jrose, kvn
 2012-05-25 07:53:11 -07:00
Tom Rodriguez
fa7c124af1 7083786: dead various dead chunks of code 
Reviewed-by: iveresov, kvn
 2011-08-31 16:46:11 -07:00
Igor Veresov
aac4b1553e 6988308: assert((cnt > 0.0f) && (prob > 0.0f)) failed: Bad frequency assignment in if 
Make sure cnt doesn't become negative and integer overflow doesn't happen.

Reviewed-by: kvn, twisti
 2011-04-13 14:33:03 -07:00
Erik Trimble
c9e484d473 7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass 
Update the copyright to be 2010 on all changed files in OpenJDK

Reviewed-by: ohair
 2011-04-05 14:12:31 -07:00
Vladimir Kozlov
3de260da41 7008866: Missing loop predicate for loop with multiple entries 
Add predicates when loop head bytecode is parsed instead of when back branch bytecode is parsed.

Reviewed-by: never
 2011-03-21 11:28:14 -07:00
Stefan Karlsson
8006fe8f75 6989984: Use standard include model for Hospot 
Replaced MakeDeps and the includeDB files with more standardized solutions.

Reviewed-by: coleenp, kvn, kamg
 2010-11-23 13:22:55 -08:00
John R Rose
c7e50e8305 6912064: type profiles need to be exploited more for dynamic language support 
Reviewed-by: kvn
 2010-08-20 23:40:30 -07:00
John R Rose
1f4cfb029b 6939203: JSR 292 needs method handle constants 
Add new CP types CONSTANT_MethodHandle, CONSTANT_MethodType; extend 'ldc' bytecode.

Reviewed-by: twisti, never
 2010-06-09 18:50:45 -07:00
John R Rose
d6a9b93b5a Merge 2010-06-02 22:45:42 -07:00
Erik Trimble
ba7c173659 6941466: Oracle rebranding changes for Hotspot repositories 
Change all the Sun copyrights to Oracle copyright

Reviewed-by: ohair
 2010-05-27 19:08:38 -07:00
John R Rose
581521ba96 6939207: refactor constant pool index processing 
Factored cleanup of instruction decode which prepares for enhanced ldc semantics.

Reviewed-by: twisti
 2010-05-23 01:38:26 -07:00
Tom Deneau
f23b68b367 6902182: 4/4 Starting with jdwp agent should not incur performance penalty 
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
 2010-02-01 17:35:05 -07:00
Changpeng Fang
815db4fcba 6894779: Loop Predication for Loop Optimizer in C2 
Loop predication implementation

Reviewed-by: never, kvn
 2010-01-12 14:37:35 -08:00
John R Rose
e261aecad8 6863023: need non-perm oops in code cache for JSR 292 
Make a special root-list for those few nmethods which might contain non-perm oops.

Reviewed-by: twisti, kvn, never, jmasa, ysr
 2009-09-15 21:53:47 -07:00
Xiomara Jayasena
a63ef10004 6862919: Update copyright year 
Update copyright for files that have been modified in 2009, up to 07/09

Reviewed-by: tbell, ohair
 2009-07-28 12:12:40 -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
Tom Rodriguez
3bdd70fe18 6818666: G1: Type lost in g1 pre-barrier 
Reviewed-by: kvn
 2009-06-26 13:03:29 -07:00
Vladimir Kozlov
34ee921399 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits 
Cache Jvmti and DTrace flags used by Compiler.

Reviewed-by: never
 2009-05-08 10:44:20 -07:00
John R Rose
34c1d72421 6655646: dynamic languages need dynamically linked call sites 
Invokedynamic instruction (JSR 292 RI)

Reviewed-by: twisti, never
 2009-04-21 23:21:04 -07:00
Christian Thalinger
05d1de7727 6810672: Comment typos 
I have collected some typos I have found while looking at the code.

Reviewed-by: kvn, never
 2009-02-27 13:27:09 -08:00
Chuck Rasbold
eee15b163e 6711100: 64bit fastdebug server vm crashes with assert(_base == Int,"Not an Int") 
Insert CastII nodes to narrow type of load_array_length() node

Reviewed-by: never, kvn
 2008-09-17 08:29:17 -07:00
Chuck Rasbold
d35e1bbd88 6730192: expression stack wrong at deoptimization point 
Add safepoint before popping expression stack, not after

Reviewed-by: kvn
 2008-07-29 14:48:25 -07:00
Chuck Rasbold
fcbf2d1245 6726504: handle do_ifxxx calls in parser more uniformly 
Make do_ifnull() handling similar to do_if()

Reviewed-by: jrose, kvn
 2008-07-21 13:37:05 -07:00
Chuck Rasbold
a8fc1db8c1 6707044: uncommon_trap of ifnull bytecode leaves garbage on expression stack 
Remove call to repush_if_args()

Reviewed-by: kvn, jrose
 2008-07-16 10:08:57 -07:00
Erik Trimble
2d6f42d18c Merge 2008-07-11 01:14:44 -07:00
Xiomara Jayasena
c96a95c4b8 6719955: Update copyright year 
Update copyright year for files that have been modified in 2008

Reviewed-by: ohair, tbell
 2008-07-02 12:55:16 -07:00
Tom Rodriguez
873da1efe8 6718676: putback for 6604014 is incomplete 
Reviewed-by: kvn, jrose
 2008-06-24 16:00:14 -07:00
Vladimir Kozlov
a671e7c7b5 6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode 
Remove DecodeNNode::decode() and EncodePNode::encode() methods.

Reviewed-by: rasbold, never
 2008-06-24 10:43:29 -07:00
Chuck Rasbold
088cd1203f 6646019: array subscript expressions become top() with -d64 
Stop compilation after negative array allocation

Reviewed-by: never, jrose
 2008-04-24 14:02:13 -07:00
Coleen Phillimore
4a831d45f0 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes 
Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
 2008-04-13 17:43:42 -04:00
Vladimir Kozlov
17458c9660 6671250: In Parse::do_if() old Cmp node 'c' should be replaced with new one after BoolNode transformation 
In Parse::do_if() 'c' (CmpNode) node may be changed during BoolNode transformation so 'c' may became dead but the node is referenced later in the code.

Reviewed-by: never
 2008-03-05 11:33:31 -08:00
Tom Rodriguez
10c473e425 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long) 
Reviewed-by: kvn, rasbold
 2007-12-05 09:01:00 -08:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00