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42 Commits

Author SHA1 Message Date
Vladimir Kozlov
d7176bf7f8 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis() 
Add NULL checks and asserts for Type::make_ptr() returned value.

Reviewed-by: twisti
 2013-05-09 17:28:04 -07:00
Aleksey Shipilev
4b638cf955 8009120: Fuzz instruction scheduling in HotSpot compilers 
Reviewed-by: kvn, vlivanov
 2013-03-05 04:24:50 -08:00
Vladimir Kozlov
9e0c61f822 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86 
Use SSE4.2 and AVX2 instructions for encodeArray intrinsic.

Reviewed-by: roland
 2013-01-22 15:34:16 -08:00
Bharadwaj Yadavalli
2d2532e740 7092905: C2: Keep track of the number of dead nodes 
Keep an (almost) accurate running count of the reachable (live) flow graph nodes.

Reviewed-by: kvn, twisti, jrose, vlivanov
 2012-11-27 17:24:15 -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
Vladimir Kozlov
d1191bb4f4 7119644: Increase superword's vector size up to 256 bits 
Increase vector size up to 256-bits for YMM AVX registers on x86.

Reviewed-by: never, twisti, roland
 2012-06-15 01:25:19 -07:00
Roland Westrelin
f3ce53be67 7116050: C2/ARM: memory stomping error with DivideMcTests 
Block::schedule_local() may write beyond end of ready_cnt array

Reviewed-by: never, kvn
 2012-01-25 09:31:47 +01:00
Roland Westrelin
9d8e44db59 7077312: Provide a CALL effect for instruct declaration in the ad file 
Abstracted way to declare that the MachNode has the effect of a call (kills caller save registers, preserves callee save registers)

Reviewed-by: twisti, never
 2011-09-14 09:22:51 +02:00
Vladimir Kozlov
18329266ea 7069452: Cleanup NodeFlags 
Remove flags which duplicate information in Node::NodeClasses.

Reviewed-by: never
 2011-07-27 17:28:36 -07:00
John Coomes
07d5e13794 7061187: need some includes for arm/ppc 
Reviewed-by: dholmes, never, jwilhelm, kvn
 2011-07-06 12:03:01 -07:00
Jon Masamitsu
b6e631d446 Merge 2011-04-08 14:19:50 -07:00
Tom Rodriguez
aac4647e6e 7032963: StoreCM shouldn't participate in store elimination 
Reviewed-by: kvn
 2011-04-05 19:14:03 -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
Roland Westrelin
4171ca786e 7029017: Additional architecture support for c2 compiler 
Enables cross building of a c2 VM. Support masking of shift counts when the processor architecture mandates it.

Reviewed-by: kvn, never
 2011-03-25 09:35:39 +01:00
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
Christian Thalinger
a4b2fe3b1c 6978355: renaming for 6961697 
This is the renaming part of 6961697 to keep the actual changes small for review.

Reviewed-by: kvn, never
 2010-08-25 05:27:54 -07:00
Vladimir Kozlov
b092cb33e6 6973329: C2 with Zero based COOP produces code with broken anti-dependency on x86 
Recompile without subsuming loads if RA try to clone a node with anti_dependence.

Reviewed-by: never
 2010-08-11 10:48:20 -07:00
Vladimir Kozlov
5bed80aab9 6973963: SEGV in ciBlock::start_bci() with EA 
Added more checks into ResourceObj and growableArray to verify correctness of allocation type.

Reviewed-by: never, coleenp, dholmes
 2010-08-03 15:55:03 -07:00
John R Rose
d6a9b93b5a Merge 2010-06-02 22:45:42 -07:00
Vladimir Kozlov
a3005a16fc 6954029: Improve implicit null check generation with compressed oops 
Hoist DecodeN instruction above null check

Reviewed-by: never, twisti
 2010-06-02 09:49:32 -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
Vladimir Kozlov
8da8433a6f 6912517: JIT bug compiles out (and stops running) code that needs to be run. Causes NPE 
Add missing check that value is used in memory expression in instructions with embedded load.

Reviewed-by: never, jrose
 2010-01-07 16:26:31 -08:00
Christian Thalinger
375527d84e 6829187: compiler optimizations required for JSR 292 
C2 implementation for invokedynamic support.

Reviewed-by: kvn, never
 2010-01-05 13:05:58 +01:00
Vladimir Kozlov
9f5ca0249d 6895383: JCK test throws NPE for method compiled with Escape Analysis 
Add missing checks for MemBar nodes in EA.

Reviewed-by: never
 2009-12-09 16:40:45 -08:00
Changpeng Fang
c0d62ad9e6 6761600: Use sse 4.2 in intrinsics 
Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.

Reviewed-by: kvn, never, jrose
 2009-03-31 14:07:08 -07:00
Vladimir Kozlov
41463d1d3a Merge 2009-03-19 09:13:24 -07:00
Vladimir Kozlov
69f9ddee90 6791178: Specialize for zero as the compressed oop vm heap base 
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
 2009-03-12 10:37:46 -07:00
Xiomara Jayasena
2be2e027b0 6814575: Update copyright year 
Update copyright for files that have been modified in 2009, up to 03/09

Reviewed-by: katleman, tbell, ohair
 2009-03-09 13:28:46 -07:00
Christian Thalinger
3b8452da93 6796746: rename LoadC (char) opcode class to LoadUS (unsigned short) 
Renaming LoadC to LoadUS would round up the planned introduction of LoadUB and LoadUI.

Reviewed-by: phh, kvn
 2009-01-26 16:22:12 +01:00
Andrey Petrusenko
fe4cab6eeb Merge 2008-09-24 15:34:06 -04:00
Vladimir Kozlov
9812da470c 6746907: Improve implicit null check generation 
Add missing implicit null check cases.

Reviewed-by: never
 2008-09-10 20:44:47 -07:00
Antonios Printezis
615777b6da Merge 2008-08-21 23:36:31 -04:00
Vladimir Kozlov
50c4a23cac 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") 
Escape Analysis fixes.

Reviewed-by: never, rasbold
 2008-07-28 17:12:52 -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
Y. Srinivas Ramakrishna
ac061d0424 Merge 2008-06-12 13:50:55 -07:00
Y. Srinivas Ramakrishna
18f3386a98 6711316: Open source the Garbage-First garbage collector 
First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
 2008-06-05 15:57:56 -07:00
Chuck Rasbold
2e672ac9bf 6695049: (coll) Create an x86 intrinsic for Arrays.equals 
Intrinsify java/util/Arrays.equals(char[], char[])

Reviewed-by: kvn, never
 2008-05-29 16:22:09 -07:00
Vladimir Kozlov
76035424de 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions 
Add LoadNKlass and CMoveN nodes, use CmpN and ConN nodes to generate narrow oops compare instructions.

Reviewed-by: never, rasbold
 2008-05-21 13:46:23 -07:00
Tom Rodriguez
041877583d 6601321: Assert(j == 1 || b->_nodes[j-1]->is_Phi(),"CreateEx must be first instruction in block") 
Reviewed-by: kvn, rasbold, sgoldman, jrose
 2008-04-23 13:57:14 -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
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00