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74 Commits

Author SHA1 Message Date
Erik Trimble
e846382e12 Merge 2009-07-29 16:00:35 -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
Vladimir Kozlov
b0f75657c5 6826736: CMS: core dump with -XX:+UseCompressedOops 
Fix deoptimization code and OopMapSet::all_do() to check for oop = narrow_oop_base.

Reviewed-by: jcoomes, phh, ysr, never
 2009-07-22 15:48:51 -07:00
Tom Rodriguez
62ca1df1dd 6857159: local schedule failed with checkcast of Thread.currentThread() 
Reviewed-by: kvn
 2009-07-21 16:42:58 -07:00
Vladimir Kozlov
7229ae9b95 Merge 2009-07-17 00:50:55 -07:00
Tom Rodriguez
1c4a7e95bb 6861513: correct copyright attribution in test for 6837094 and 6860469 
Reviewed-by: rasbold
 2009-07-16 17:59:27 -07:00
Vladimir Kozlov
2e2f60507e 6851282: JIT miscompilation results in null entry in array when using CompressedOops 
Get type for new Phi from non dead path.

Reviewed-by: never
 2009-07-16 16:29:55 -07:00
Hiroshi Yamauchi
a24ea182cc 6860469: remix_address_expressions sets incorrect control causing crash in split_if_with_block_post 
Co-authored-by: Chuck Rasbold <rasbold@google.com>
Reviewed-by: never, kvn
 2009-07-15 13:37:35 -07:00
Tom Rodriguez
df1c3da3f8 Merge 2009-07-13 15:00:22 -07:00
Tom Rodriguez
5a409d142f 6859338: amd64 native unverified entry point pushes values before implicit null check 
Reviewed-by: kvn, twisti
 2009-07-13 14:58:17 -07:00
Changpeng Fang
92d332e08b 6857707: Add missing test case for CR 6855164 from its bug description 
Add missing test case for CR 6855164 from its bug description.

Reviewed-by: never
 2009-07-06 12:54:17 -07:00
Christian Thalinger
a9ad90fa87 5057225: Remove useless I2L conversions 
The optimizer should be told to normalize (AndL (ConvI2L x) 0xFF) to (ConvI2L (AndI x 0xFF)), and then the existing matcher rule will work for free.

Reviewed-by: kvn
 2009-06-26 07:26:10 -07:00
Chuck Rasbold
2c5f52b511 6837094: False positive for "meet not symmetric" failure 
Have the meet not symmetric check recursively do the interface-vs-oop check on array subtypes.

Reviewed-by: jrose
 2009-06-23 17:52:29 -07:00
Tom Rodriguez
0f4f530213 6849574: VM crash using NonBlockingHashMap (high_scale_lib) 
Reviewed-by: kvn
 2009-06-10 12:19:48 -07:00
Vladimir Kozlov
802f3552f9 6843752: missing code for an anti-dependent Phi in GCM 
Don't place a load below anti-dependent PHI.

Reviewed-by: never, twisti
 2009-05-27 12:35:51 -07:00
Vladimir Kozlov
fdb3ca8708 6772683: Thread.isInterrupted() fails to return true on multiprocessor PC 
Set the control edge for the field _interrupted load in inline_native_isInterrupted().

Reviewed-by: never
 2009-05-21 10:05:36 -07:00
Christian Thalinger
8a262ce04b 6814842: Load shortening optimizations 
6797305 handles load widening but no shortening which should be covered here.

Reviewed-by: never, kvn
 2009-05-13 00:45:22 -07:00
Vladimir Kozlov
6202395cb2 6832293: JIT compiler got wrong result in type checking with -server 
Check for an object array of interface in CmpPNode::sub().

Reviewed-by: never
 2009-05-11 17:59:54 -07:00
Kelly O'Hair
4ac53f2566 6839151: Add a JPRT default test of -Xshare:dump when new hotspot is built 
Reviewed-by: never, kvn
 2009-05-08 15:16:38 -07:00
Christian Thalinger
a7d12b2fbf Merge 2009-05-07 04:16:53 -07:00
Christian Thalinger
1576a9be9e Merge 2009-05-07 00:28:13 -07:00
Christian Thalinger
96139033e6 6837011: SIGSEGV in PhaseIdealLoop in 32bit jvm 
The CR's test crashes with SIGSEGV when running with "-server -Xcomp" using using 32bit jvm.

Reviewed-by: kvn, never, rasbold
 2009-05-06 12:04:42 -07:00
Christian Thalinger
e53f13b49f 6837906: compiler tests of 6636138 fail with IllegalAccessException 
The compiler tests of 6636138 fail with an IllegalAccessException.

Reviewed-by: kvn
 2009-05-06 08:57:24 -07:00
Christian Thalinger
6a270f9f19 6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}() 
These methods can be instrinsified by using bit scan, bit test, and population count instructions.

Reviewed-by: kvn, never
 2009-05-06 00:27:52 -07:00
Changpeng Fang
003ca0f848 6833951: Extra ":" Causes Testcase in CR 6589834 "Parse Exception: Invalid tag: summary:" 
Remove the colon

Reviewed-by: never
 2009-04-24 09:14:39 -07:00
Changpeng Fang
04fdef79fa 6589834: deoptimization problem with -XX:+DeoptimizeALot 
Relocate the stack pointer adjustment to where uncommon_trap is actually inserted for new_array.

Reviewed-by: kvn, jrose
 2009-04-23 14:04:24 -07:00
Tom Rodriguez
62717f091a Merge 2009-04-14 12:25:54 -07:00
Changpeng Fang
08466ce0ca 6829021: tests for 6636138 use UseSuperword instead of UseSuperWord 
Remove the wrong flag -XX:+UseSuperword to fix the Nightly failure

Reviewed-by: kvn, never
 2009-04-10 15:01:14 -07:00
Vladimir Kozlov
ca3a3504be 6711117: Assertion in 64bit server vm (flat != TypePtr::BOTTOM,"cannot alias-analyze an untyped ptr") 
Delay a memory node transformation if its control or address on IGVN worklist.

Reviewed-by: never
 2009-04-07 19:04:24 -07:00
Tom Rodriguez
72afcb0285 6539464: Math.log() produces inconsistent results between successive runs 
Reviewed-by: kvn
 2009-04-06 11:53:17 -07:00
Vladimir Kozlov
090346b4e8 6823453: DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph") 
Use a HaltNode on the fall through path of the AllocateArrayNode to indicate that it is unreachable if the array length is negative.

Reviewed-by: never, jrose
 2009-04-03 13:33:32 -07:00
Karen Kinnear
d4f2196cd0 Merge 2009-04-02 18:17:03 -04:00
Paul Hohensee
4be7c3c672 6819213: revive sun.boot.library.path 
Support multiplex and mutable sun.boot.library.path

Reviewed-by: acorn, dcubed, xlu
 2009-04-01 16:38:01 -04:00
Changpeng Fang
fface2e4ca 6636138: UseSuperWord enabled failure 
Fixed SuperWord scheduling of memory operations.

Reviewed-by: kvn, never
 2009-03-24 12:19:47 -07:00
Vladimir Kozlov
41463d1d3a Merge 2009-03-19 09:13:24 -07:00
Christian Thalinger
de67e52949 6378821: bitCount() should use POPC on SPARC processors and AMD+10h 
BitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware.

Reviewed-by: kvn, never
 2009-03-13 11:35:17 -07:00
Erik Trimble
8d6035660e Merge 2009-03-12 18:16:36 -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
89cea91c48 6797305: Add LoadUB and LoadUI opcode class 
Add a LoadUB (unsigned byte) and LoadUI (unsigned int) opcode class so we have these load optimizations in the first place and do not need to handle them in the matcher.

Reviewed-by: never, kvn
 2009-03-09 03:17:11 -07:00
Christian Thalinger
dd25f39709 6805724: ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant 
C2, ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.

Reviewed-by: rasbold
 2009-02-16 07:19:26 -08:00
Christian Thalinger
a2ed00b650 6800154: Add comments to long_by_long_mulhi() for better understandability 
This patch adds a comment pointing to the Hacker's Delight version of the algorithm plus a verbatim copy of it.  Furthermore it adds inline comments.

Reviewed-by: kvn, jrose
 2009-02-13 09:09:35 -08:00
Vladimir Kozlov
94a461f4cb 6799693: Server compiler leads to data corruption when expression throws an Exception 
Use merged memory state for an allocation's slow path.

Reviewed-by: never
 2009-02-05 14:43:58 -08:00
Vladimir Kozlov
72b75d1adf 6788376: allow to ignore unrecognized VM options 
Add new product flag -XX:+IgnoreUnrecognizedVMOptions

Reviewed-by: ysr, xlu
 2009-02-05 13:38:52 -08:00
Christian Thalinger
17d35f31a2 6799452: HotSpot tests Makefile should take care of ALT_SLASH_JAVA 
The HotSpot tests Makefile has a hardcoded SLASH_JAVA which makes it difficult to run the tests on non-Sun build machines which do not have a /java infrastructure.

Reviewed-by: kamg
 2009-02-03 08:10:28 -08:00
Christian Thalinger
ecbdf3bb83 6795362: 32bit server compiler leads to wrong results on solaris-x86 
The C2 compiler leads to wrong results on solaris-i486 (32-bit) for a testcase given in the CR.

Reviewed-by: never, rasbold
 2009-02-03 01:39:12 -08:00
Gary Benson
347b8afe5b 6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour 
Replaces SharedRuntime::f2i et al with versions that should work

Reviewed-by: never
 2008-12-22 15:43:02 -08:00
Tom Rodriguez
baa4663714 6758234: if (k cond (a ? : b: c)) returns reversed answer if k is constant and b and c are longs 
Reviewed-by: kvn, jrose
 2008-12-12 19:55:26 -08:00
Tom Rodriguez
40a81c63b8 6757316: load_constant() produces a wrong long constant, with high a low words swapped 
Reviewed-by: rasbold, jrose, kvn
 2008-12-12 19:54:46 -08:00
Vladimir Kozlov
f2f18a01e5 6775880: EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now") 
Create new "eliminated" BoxLock node for monitor debug info when corresponding locks are eliminated.

Reviewed-by: never
 2008-12-03 13:41:37 -08:00
Tom Rodriguez
2bba3afabc 6756768: C1 generates invalid code 
Reviewed-by: kvn, jrose
 2008-11-25 13:14:07 -08:00