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191 Commits

Author SHA1 Message Date
Keith McGuigan
74faacc945 6721093: -XX:AppendRatio=N not supported 
Add mechanism to ignore unsupported flags for a set period of time

Reviewed-by: acorn, never, coleenp
 2008-07-28 14:07:44 -04:00
Coleen Phillimore
20dba03e99 6716785: implicit null checks not triggering with CompressedOops 
Allocate alignment-sized page(s) below java heap so that memory accesses at heap_base+1page give signal and cause an implicit null check

Reviewed-by: kvn, jmasa, phh, jcoomes
 2008-07-19 17:38:22 -04:00
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
Coleen Phillimore
2a68d0757b Merge 2008-07-02 15:38:47 -04:00
Coleen Phillimore
289ca864cd Merge 2008-06-27 18:19:29 -04:00
Xiaobin Lu
2c9fd9172b 6718830: Hotspot fails to build with gcc 4.3 
Fixed linux make file and couple adlc code to meet the changes of gcc 4.3

Reviewed-by: kamg, igor
 2008-06-26 14:15:01 -07:00
Vladimir Kozlov
4213e62fb7 6716441: error in meet with +DoEscapeAnalysis 
Set instance_id to InstanceBot for InstPtr->meet(AryPtr) when types are not related.

Reviewed-by: jrose, never
 2008-06-26 13:34:00 -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
Tom Rodriguez
2d64a7a369 6604014: add support for ideal graph visualizer 
Reviewed-by: kvn, jrose
 2008-06-23 18:21:18 -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
Poonam Bajaj
1f819855d5 6694099: Hotspot vm_exit_out_of_memory should dump core 
This fix enables the generation of core file when process runs out of C-heap.

Reviewed-by: sbohne
 2008-06-22 20:07:58 -07:00
Tom Rodriguez
d69fdc9d5b Merge 2008-06-21 10:03:31 -07:00
John Coomes
f719ed43a0 Merge 2008-06-20 13:59:55 -07:00
Vladimir Kozlov
0a077d276e 6715633: when matching a memory node the adr_type should not change 
Verify the adr_type of a mach node was not changed

Reviewed-by: rasbold, never
 2008-06-20 11:10:05 -07:00
Vladimir Kozlov
694776b297 6714694: assertion in 64bit server vm (store->find_edge(load) != -1,"missing precedence edge") with COOPs 
The method raise_LCA_above_marks() terminates LCA search early.

Reviewed-by: rasbold, never
 2008-06-20 10:17:09 -07:00
Lev Serebryakov
77e87e05ad Merge 2008-06-19 06:02:20 -07:00
John Coomes
93584b3060 6676016: ParallelOldGC leaks memory 
Ensure that GCTask threads release resource and handle memory

Reviewed-by: jmasa, chrisphi
 2008-06-18 18:36:47 -07:00
Kumar Srinivasan
69eb2b72c6 6714758: hotspot: provide an entry point to the BootStrap Class loader[dholmes,acorn] 
Adds JVM_FindClassFromBootLoader entry point, for jdk's use

Reviewed-by: dholmes, acorn
 2008-06-17 13:08:15 -07:00
Tom Rodriguez
31d647daea Merge 2008-06-17 11:32:42 -07:00
Xiaobin Lu
cb8502a58c 6681796: hotspot build failure on gcc 4.2.x (ubuntu 8.04) w/ openjdk 6 
Fixed the cast from char* to const char* and tried to use const char* as much as possible

Reviewed-by: never, kamg
 2008-06-17 09:59:59 -07:00
Vladimir Kozlov
6978df8f5d 6714406: Node::dominates() does not always check for TOP 
Add missed checks for TOP and missed checks for non-dominating cases

Reviewed-by: rasbold, jrose, never
 2008-06-13 15:08:56 -07:00
Vladimir Kozlov
afbdf29629 6714404: Add UseStringCache switch to enable String caching under AggressiveOpts 
Poke String.stringCacheEnabled during vm initialization

Reviewed-by: never
 2008-06-13 14:49:07 -07:00
Tom Rodriguez
9a3b5642cf 6697238: missing dependencies for precompiled headers with platform dependent includes 
Reviewed-by: kvn
 2008-06-12 16:13:01 -07:00
Jon Masamitsu
d5ded29055 Merge 2008-06-12 14:23:34 -07:00
Tom Rodriguez
b381148ebe 6697236: missing Identity for "(X+Y) - X" into Y 
Reviewed-by: kvn
 2008-06-12 09:47:55 -07:00
John Coomes
762f7c8f2b Merge 2008-06-10 11:14:27 -07:00
Tom Rodriguez
01130cd21c Merge 2008-06-10 09:57:24 -07:00
Jon Masamitsu
0568ea9ed4 6688799: Second fix for Guarantee failure "Unexpected dirty card found" 
Expand cardtable without committing over existing regions.

Reviewed-by: apetrusenko
 2008-06-10 07:26:42 -07:00
Coleen Phillimore
a2d6036a4d 6687581: Make CMS work with compressed oops 
Make FreeChunk read markword instead of LSB in _klass pointer to indicate that it's a FreeChunk for compressed oops.

Reviewed-by: ysr, jmasa
 2008-06-09 11:51:19 -04:00
Igor Veresov
ed4e9a5d5c 6711930: NUMA allocator: ParOld can create a hole less than minimal object size in the lgrp chunk 
The fix takes care of three issues that can create a hole less a minimal object in the lgrp chunk

Reviewed-by: ysr, apetrusenko
 2008-06-09 07:18:59 -07:00
Tom Rodriguez
2144ccf2f1 Merge 2008-06-06 14:34:24 -07:00
Chuck Rasbold
4cce21039e 6711701: disable compressed oops by default 
Comment out code that turns on compressed oops

Reviewed-by: never, phh
 2008-06-06 11:47:26 -07:00
Keith McGuigan
d58beaefde Merge 2008-06-06 13:43:36 -04:00
Tom Rodriguez
4760698435 6614100: EXCEPTION_ACCESS_VIOLATION while running Eclipse with 1.6.0_05-ea 
Reviewed-by: kvn, jrose, rasbold
 2008-06-05 21:44:53 -07:00
Tom Rodriguez
952b45f6b6 6711083: 64bit JVM crashes with Internal Error (type.cpp:763) - ShouldNotReachHere() with enabled COOPs 
Add NarrowOop to various xmeet routines

Reviewed-by: kvn, sgoldman, jrose, rasbold
 2008-06-05 15:43:18 -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
Jon Masamitsu
39463bb3fc 6629727: assertion in set_trap_state() in methodDataOop.hpp is too strong 
The assertion can failure due to race conditions.

Reviewed-by: never
 2008-06-04 13:51:09 -07:00
Chuck Rasbold
1f0f6c2277 Merge 2008-06-03 15:38:31 -07:00
Chuck Rasbold
d10912d513 6709972: runThese failed with assert(false,"bad AD file") 
Guard AryEqNode construction with has_match_rule() test, set SpecialArraysEquals default off

Reviewed-by: kvn, never
 2008-06-03 13:14:44 -07:00
Chuck Rasbold
8f5e42a671 Merge 2008-05-30 07:22:22 -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
Keith McGuigan
319d956145 6706604: Copyright headers need to be changed to GPL 
Update the copyrights

Reviewed-by: ohair
 2008-05-29 14:06:30 -04:00
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
Andrew Hughes
1f9e095ee3 6707485: bytecodeInterpreterWithChecks.xsl is malformed 
Xsl output tag not at top level

Reviewed-by: never, kvn, rasbold
 2008-05-28 12:42:34 -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