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639 Commits

Author SHA1 Message Date
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
Shrinivas Joshi
5106cf17a3 6708714: Optimize long LShift on 32-bits x86 
For small (1-3 bits) left long shifts in 32-bits VM use sets of add+addc instructions instead of shld+shl on new AMD cpus.

Reviewed-by: never
 2008-06-23 14:11:12 -07:00
Y. Srinivas Ramakrishna
ac061d0424 Merge 2008-06-12 13:50:55 -07:00
Tom Rodriguez
2144ccf2f1 Merge 2008-06-06 14:34:24 -07:00
Keith McGuigan
d58beaefde Merge 2008-06-06 13:43:36 -04:00
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
Coleen Phillimore
1562d78080 6695819: verify_oopx rax: broken oop in decode_heap_oop 
Code in gen_subtype_check was encoding rax as an oop on a path where rax was not an oop.

Reviewed-by: never, kvn
 2008-06-05 17:02:54 -04:00
Vladimir Kozlov
dbdeade3b7 6709093: Compressed Oops: reduce size of compiled methods 
Exclude UEP size from nmethod code size and use narrow klass oop to load prototype header.

Reviewed-by: jrose, never
 2008-06-05 13:02:51 -07:00
Tom Rodriguez
54eeffff83 6709165: Tests hang or misbahve with HS 13.0-b01 on solaris-sparcv9 
Reviewed-by: kvn, jrose
 2008-06-04 21:56:27 -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
a1f50998ae 6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops 
Generate addresses and implicit null checks with narrow oops to avoid decoding.

Reviewed-by: jrose, never
 2008-05-29 12:04:14 -07:00
Coleen Phillimore
646ceb4a45 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC 
Decouple set_klass() with zeroing the gap when compressed.

Reviewed-by: kvn, ysr, jrose
 2008-05-28 21:06:24 -07:00
Keith McGuigan
c966634470 6705523: Fix for 6695506 will violate spec when used in JDK6 
Make max classfile version number dependent on JDK version

Reviewed-by: acorn, never
 2008-05-22 13:03:52 -04:00
Vladimir Kozlov
e53e767d88 6703888: Compressed Oops: use the 32-bits gap after klass in a object 
Use the gap also for a narrow oop field and a boxing object value.

Reviewed-by: coleenp, never
 2008-05-21 16:31:35 -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
Vladimir Kozlov
757229db71 6695810: null oop passed to encode_heap_oop_not_null 
Fix several problems in C2 related to Escape Analysis and Compressed Oops.

Reviewed-by: never, jrose
 2008-05-21 10:45:07 -07:00
Chuck Rasbold
72313bcf20 6603011: RFE: Optimize long division 
Transform long division by constant into multiply

Reviewed-by: never, kvn
 2008-05-07 08:06:46 -07:00
Chuck Rasbold
cf2288b223 Merge 2008-04-28 08:08:12 -07:00
Vladimir Kozlov
69155d87f9 6689060: Escape Analysis does not work with Compressed Oops 
64-bits VM crashes with -XX:+AggresiveOpts (Escape Analysis + Compressed Oops)

Reviewed-by: never, sgoldman
 2008-04-23 11:20:36 -07:00
Keith McGuigan
15a1776a30 Merge 2008-04-18 07:51:43 -04:00
Keith McGuigan
f072bc9d3f 6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes 
Initial checkin of JSDT code

Reviewed-by: acorn, sbohne
 2008-04-17 22:18:15 -04:00
Volker Simonis
8ece15fd05 6688137: c++ interpreter fails on 64bit sparc 
Misc. 64bit and endian fixes for sparc

Reviewed-by: never, kvn, rasbold
 2008-04-17 07:16:03 -07:00
Chuck Rasbold
997563be5d Merge 2008-04-16 14:55:36 -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
Steve Goldman
4230ecea86 6644928: Internal Error (src/share/vm/code/relocInfo.hpp:1089) 
Cardtable base can be zero, ExternalAddress can't take a NULL.
 2008-04-11 06:18:44 -07:00
Steve Goldman
c89e39d40a 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on 
Rewrite frame::safe_for_sender and friends to be safe for collector/analyzer

Reviewed-by: dcubed, kvn
 2008-04-08 12:23:15 -04:00
Chuck Rasbold
1659f11da6 Merge 2008-04-03 06:41:16 -07:00
John R Rose
0d27a8639f 6667042: PrintAssembly option does not work without special plugin 
Remove old private plugin interface, simplify, rework old plugin to use unchanged Gnu sources

Reviewed-by: kvn, rasbold
 2008-04-02 12:09:59 -07:00
Tom Rodriguez
1a350ad182 6636352: Unit tests for supplementary character support fail with -XX:+AggressiveOpts 
Incorrect encoding

Reviewed-by: kvn, rasbold, sgoldman, jrose
 2008-03-31 16:22:52 -07:00
Chuck Rasbold
446895de2d Merge 2008-03-21 08:32:17 -07:00
Vladimir Kozlov
b71360f557 6662967: Optimize I2D conversion on new x86 
Use CVTDQ2PS and CVTDQ2PD for integer values conversions to float and double values on new AMD cpu.

Reviewed-by: sgoldman, never
 2008-03-19 15:33:25 -07:00
Daniel D. Daugherty
0745d10694 Merge 2008-03-13 14:17:48 -07:00
Chuck Rasbold
1931e94bad Merge 2008-03-13 05:40:44 -07:00
Daniel D. Daugherty
2927815658 6452081: 3/4 Allow for Linux builds with Sun Studio Linux compilers 
(for Serguei) Allow for Linux builds with Sun Studio Linux compilers

Reviewed-by: sspitsyn, ohair
 2008-03-12 18:37:03 -07:00
Vladimir Kozlov
9f1a8ede80 6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM 
T_ADDRESS size is defined as 'int' size (4 bytes) but C2 use it for raw pointers and as memory type for StoreP and LoadP nodes.

Reviewed-by: jrose
 2008-02-25 15:05:44 -08:00
Jon Masamitsu
63f1de52fc 6362677: Change parallel GC collector default number of parallel GC threads 
Use the same default number of GC threads as used by ParNewGC and ConcMarkSweepGC (i.e., the 5/8th rule).

Reviewed-by: ysr, tonyp
 2008-02-22 17:17:14 -08:00
Chuck Rasbold
b3b837074b 6614036: REGRESSION: Java server x86 VM intermittently crash with SIGSEGV (0xb) 
Restore destination address in x86 32-bit checkcast_arraycopy stub

Reviewed-by: jrose, kvn, never
 2007-12-05 09:03:00 -08:00
Daniel D. Daugherty
5fa349cc42 6664627: Merge changes made only in hotspot 11 forward to jdk 7 
Reviewed-by: jcoomes
 2007-12-05 09:00:00 -08:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00