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780 Commits

Author SHA1 Message Date
Poonam Bajaj
1516f610a1 6653795: C2 intrinsic for Unsafe.getAddress performs pointer sign extension on 32-bit systems 
Native pointers less than 64 bits wide should be extended as an unsigned number.

Reviewed-by: kvn, kevinw
 2014-03-24 08:43:10 -07:00
Filipp Zhinkin
8167043964 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions 
Reviewed-by: iveresov, kvn, iignatyev
 2014-03-22 00:26:48 +04:00
Bharadwaj Yadavalli
52f97b0ee1 8036576: jtreg failed on Test6792161 timed out 
Increase time out value of test since debug VM executes additional code

Reviewed-by: kvn
 2014-03-17 11:33:21 -04:00
Igor Veresov
768beb9a23 8031321: Support Intel bit manipulation instructions 
Add support for BMI1 instructions

Reviewed-by: kvn, roland
 2014-03-12 11:24:26 -07:00
Roland Westrelin
e021d60c5a Merge 2014-03-06 02:37:44 -08:00
Roland Westrelin
d5ff84f8b3 8032633: Enable type speculation by default 
Enable type speculation

Reviewed-by: kvn
 2014-03-06 11:11:04 +01:00
Igor Ignatyev
8439d7fa51 8027124: [TESTBUG] NonTieredLevelsTest: java.lang.RuntimeException: private TestCase$Helper(java.lang.Object) must be osr_compiled 
Reviewed-by: kvn, roland
 2014-03-06 12:47:45 +04:00
Igor Ignatyev
4f2175f088 8027257: [TESTBUG] compiler/ciReplay/TestVM.sh : Error: Could not find or load main class negative_test 
Reviewed-by: roland, kvn
 2014-03-06 12:46:04 +04:00
Albert Noll
a09c80205a Merge 2014-03-05 01:26:52 -08:00
Albert Noll
9e39a2797d 8036091: compiler/membars/DekkerTest.java fails with -XX:CICompilerCount=1 
Start test with -XX:-TieredCompilation so that one compiler thread works

Reviewed-by: kvn, twisti
 2014-03-05 10:20:30 +01:00
Albert Noll
796f0c989b Merge 2014-03-04 21:15:33 -08:00
Albert Noll
9150b93093 8036092: [TESTBUG] compiler/uncommontrap/TestSpecTrapClassUnloading.java fails with: Unrecognized VM option 'UseTypeSpeculation' 
Add -XX:+IgnoreUnrecognizedVMOptions to @main/othervm to make the test pass on Client VM

Reviewed-by: kvn, roland
 2014-03-05 06:08:19 +01:00
Vladimir Ivanov
fc6e8666a1 8036100: Default method returns true for a while, and then returns false 
Reviewed-by: kvn, jrose
 2014-03-04 02:33:10 -08:00
Vladimir Ivanov
3ba019c8b2 8035828: Turn on @Stable support in VM 
Reviewed-by: jrose, twisti
 2014-03-04 02:20:41 -08:00
Nils Eliasson
0b6a5f744a 8007270: Make IsMethodCompilable test work with tiered 
Only c2 compiles counts toward cutoff

Reviewed-by: kvn, roland
 2014-01-28 15:05:46 +01:00
Roland Westrelin
58c97205d0 8032011: nsk/stress/jck60/jck60022 crashes in src\share\vm\runtime\synchronizer.cpp:239 
Biased locking's revoke_bias locks monitor in compiled frame with eliminated lock

Reviewed-by: kvn, iveresov
 2014-02-27 09:37:16 +01:00
Albert Noll
39b5a040cd 8032642: [TESTBUG] Fix testbugs in compiler/startup/.* 
Fixed issues with these tests

Reviewed-by: kvn, twisti
 2014-02-26 07:44:59 +01:00
Roland Westrelin
493557fc90 8031752: Failed speculative optimizations should be reattempted when root of compilation is different 
Support for speculative traps that keep track of the root of the compilation in which a trap occurs.

Reviewed-by: kvn, twisti
 2014-02-25 18:16:24 +01:00
Albert Noll
a609fe84bb 8034775: Failing to initialize VM when running with negative value for -XX:CICompilerCount 
Ensure appropriate min. number of compiler threads (1 for non-tiered, and 2 for tiered)

Reviewed-by: kvn
 2014-02-25 13:52:37 +01:00
Rickard Bäckman
0b85ee832e 8027754: Enable loop optimizations for loops with MathExact inside 
Reviewed-by: kvn, iveresov
 2014-01-23 12:08:28 +01:00
Vladimir Kozlov
5117e1a805 Merge 2014-02-19 12:08:49 -08:00
Harold Seigel
b7100718e8 Merge 2014-01-29 19:54:44 -05:00
Stefan Sarne
4a7bc8eccd 8032662: test/compiler/ciReplay/TestSA.sh should report ulimit issues 
Reviewed-by: kvn, iignatyev
 2014-01-27 10:57:52 +01:00
Albert Noll
3e1a99cabe Merge 2014-01-26 23:01:57 -08:00
Albert Noll
62f89da665 8009738: compiler/6826736/Test.java times out on big machines 
Added -Xmx256m -XX:ParallelGCThreads=4 to the test @run command. Verified that 256m is enough to trigger old 6826736 bug.

Reviewed-by: kvn
 2014-01-27 07:54:25 +01:00
Roland Westrelin
c19a7e0fa3 8027422: assert(_gvn.type(obj)->higher_equal(tjp)) failed: cast_up is no longer needed 
Type methods shouldn't always operate on speculative part

Reviewed-by: kvn, twisti
 2014-01-24 09:31:53 +01:00
Vladimir Ivanov
91573b8695 8031695: CHA ignores default methods during analysis leading to incorrect code generation 
Reviewed-by: jrose, acorn, hseigel, lfoltan
 2014-01-23 01:23:23 +04:00
Igor Veresov
0c43978be6 8031743: C2: loadI2L_immI broken for negative memory values 
Restrict loadI2L_imm optimizations to positive values of mask

Reviewed-by: kvn, dlong
 2014-01-21 20:05:28 -08:00
Igor Veresov
2275de8d6b 8032207: C2: assert(VerifyOops || MachNode::size(ra_) <= (3+1)*4) failed: bad fixed size 
Fix the sizing of loadUS2L_immI16 and loadI2L_immI

Reviewed-by: kvn, azeemj
 2014-01-17 18:09:08 -08:00
Shrinivas Joshi
d4c9d3889b 8002074: Support for AES on SPARC 
Add intrinsics/stub routines support for single-block and multi-block (as used by Cipher Block Chaining mode) AES encryption and decryption operations on the SPARC platform.

Reviewed-by: kvn, roland
 2014-01-14 17:46:48 -08:00
Roland Westrelin
cb7814987c 8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV 
May end up in uncommon trap blob/deopt blob with unguarded stack

Reviewed-by: kvn, twisti
 2014-01-08 09:49:31 +01:00
Roland Westrelin
417b5f07b7 8027571: fatal error: meet not symmetric 
Meet of one constant array and one exact array not symmetric.

Reviewed-by: kvn
 2014-01-07 16:02:10 +01:00
Roland Westrelin
7c32ed31d2 8028536: Test cases to cover type system fixes pushed with 8024070 
Extra test cases for type speculation

Reviewed-by: kvn
 2014-01-07 12:38:22 +01:00
Mikael Vidstedt
a0da47fd66 8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013 
Copyright year updated for files modified during 2013

Reviewed-by: twisti, iveresov
 2013-12-24 11:48:39 -08:00
Igor Ignatyev
55ff73a553 8026941: [TESTBUG] java.lang.ClassNotFoundException: java.lang.invoke.InvokeGeneric 
Reviewed-by: kvn, vlivanov
 2013-12-13 00:34:09 +04:00
Igor Ignatyev
6780ffeaa6 8029153: [TESTBUG] test/compiler/7141637/SpreadNullArg.java fails because it expects NullPointerException 
Reviewed-by: twisti
 2013-12-11 01:09:04 +04:00
Igor Ignatyev
5e69eb1595 8028122: [TESTBUG] compiler/regalloc/C1ObjectSpillInLogicOp.java 
Reviewed-by: kvn, twisti
 2013-12-11 01:04:34 +04:00
Christian Thalinger
e71c8df213 8029366: ShouldNotReachHere error when creating an array with component type of void 
Reviewed-by: kvn
 2013-12-06 16:43:56 -08:00
Anton Ivanov
b6d0b72ec0 8028587: New tests development for intrisics for basic operators - add, neg, inc, dec, sub, mul 
Reviewed-by: twisti
 2013-12-31 19:26:57 +04:00
Albert Noll
2eb5e0e89d 8028052: compiler/startup/SmallCodeCacheStartup.java fails there is no 'no space to run compiler' in the output 
Weaken test so that configurations that have no C1 compiler pass

Reviewed-by: iveresov
 2013-12-20 10:31:14 +01:00
Albert Noll
066ad17893 8030783: Provide regression test for 8026478: -XX:+VerifyAdapterSharing is broken 
Added simple regression test

Reviewed-by: iveresov
 2013-12-20 10:29:44 +01:00
Rickard Bäckman
c5b9d5ccd3 8028624: [TESTBUG] compiler/intrinsics/mathexact/DecExactLTest executes DecExactITest 
Reviewed-by: kvn, twisti
 2013-11-22 15:26:37 +01:00
Rickard Bäckman
57e01f1502 8028997: mathexact intrinsics are unstable 
Reviewed-by: iveresov, kvn
 2013-11-22 14:14:26 +01:00
David Chase
78f1afbf45 8016839: JSR292: AME instead of IAE when calling a method 
Catch missing-because-illegal case for itable entries and use an exception-throwing method instead of null.

Reviewed-by: acorn, jrose, coleenp
 2013-11-26 18:16:04 -05:00
Markus Grönlund
1bb792465e Merge 2013-11-22 20:26:36 +01:00
Roland Westrelin
319bfa3852 8028308: nsk regression, assert(obj->is_oop()) failed: not an oop 
Rbp not restored when stack overflow is thrown from deopt/uncommon trap blobs

Reviewed-by: kvn, iveresov
 2013-11-20 12:46:08 +01:00
Markus Grönlund
689cc9ddb7 Merge 2013-11-15 21:39:27 +01:00
Yumin Qi
7496b461e3 8025632: Remove all references to MagicLambdaImpl from Hotspot 
MagicLambdaImpl was removed from jdk side, this should be done in vm side too

Reviewed-by: coleenp, hseigel, rdurbin
 2013-11-13 16:24:33 -08:00
Roland Westrelin
3fbc683322 8027572: assert(r != 0) failed: invalid 
Null classes should be expected in profiles with conflicts

Reviewed-by: kvn, iveresov
 2013-11-13 13:45:50 +01:00
Roland Westrelin
a5b4fba397 Merge 2013-11-13 01:50:14 -08:00
Roland Westrelin
44f0952afe 8027631: "unexpected profiling mismatch" error with new type profiling 
Inlined method handle calls can call methods with different signatures

Reviewed-by: kvn, iveresov
 2013-11-13 09:45:58 +01:00
Rickard Bäckman
9c845933bd 8028207: assert(_outcnt==1) failed: not unique in compile.cpp 
Reviewed-by: iveresov, kvn
 2013-11-12 14:52:48 +01:00
Rickard Bäckman
0ef4539a9f 8028198: SIGSEGV in PhaseIdealLoop::build_loop_late_post 
Reviewed-by: iveresov, kvn
 2013-11-12 13:47:57 +01:00
Mikael Vidstedt
e80dce6a4d 8026775: nsk/jvmti/RedefineClasses/StressRedefine crashes due to EXCEPTION_ACCESS_VIOLATION 
Uncommon trap blob did not bang all the stack shadow pages

Reviewed-by: kvn, twisti, iveresov, jrose
 2013-11-06 06:51:24 -08:00
Igor Veresov
c78419253b Merge 2013-11-05 02:29:41 -08:00
Igor Veresov
7899a729a9 8027751: C1 crashes in Weblogic with G1 enabled 
Keep T_OBJECT operands in registers for logical operations on x64

Reviewed-by: kvn, roland
 2013-11-05 00:59:30 -08:00
Roland Westrelin
c8757a5edd 8027445: SIGSEGV at TestFloatingDecimal.testAppendToDouble()I 
String.equals() intrinsic shouldn't use integer length input in pointer arithmetic without an i2l.

Reviewed-by: kvn, twisti
 2013-11-04 21:59:54 +01:00
Rickard Bäckman
897e6d41f6 8027622: java.time.Instant.create failing since hs25-b56 
Reviewed-by: kvn, iveresov
 2013-11-04 10:44:46 +01:00
Igor Veresov
e43ac25584 8026735: Stream tests throw java.lang.IncompatibleClassChangeError 
Put a band-aid to disable CHA-based inlining for interfaces with default methods in C1

Reviewed-by: kvn, twisti
 2013-10-30 22:55:11 -07:00
Rickard Bäckman
612252d7a2 8027444: mathExact: assert(i < _max) failed: oob: i=1, _max=1 
Reviewed-by: duke
 2013-10-30 13:14:09 +01:00
Rickard Bäckman
4d9e812aa2 8027353: Exact intrinsics: assert(n != NULL) failed: must not be null 
Reviewed-by: kvn, roland
 2013-10-28 08:34:10 +01:00
Albert Noll
87fe2fdf42 8026949: -Xint flag prints wrong warning: Initialization of C1 thread failed (no space to run compilers) 
Exit compiler threads early during startup so that wrong error message is not printed

Reviewed-by: iveresov, twisti
 2013-10-25 22:57:13 +02:00
Rickard Bäckman
615376fb9b 8026844: Various Math functions needs intrinsification 
Reviewed-by: kvn, twisti
 2013-10-18 10:41:56 +02:00
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
Igor Ignatyev
1fbfd1734c 8026865: [TESTBUG] 'compiler/print/PrintInlining.java' should specify -XX:+UnlockDiagnosticVMOptions 
Reviewed-by: twisti, iveresov
 2013-10-21 09:21:41 +04:00
Igor Ignatyev
50b8567c55 8023318: compiler/whitebox tests timeout with enabled TieredCompilation 
Reviewed-by: kvn, twisti
 2013-10-19 21:54:46 +04:00
Igor Ignatyev
fce1adef81 8026414: [TESTBUG] Tests for Tiered/NonTiered levels 
Reviewed-by: twisti, iveresov
 2013-10-19 21:54:44 +04:00
Rickard Bäckman
0e8081e57b 8025657: compiler/intrinsics/mathexact/ConstantTest.java fails on assert in lcm.cpp on solaris x64 
Reviewed-by: kvn, twisti
 2013-10-11 12:06:14 +02:00
David Chase
b1d7228bff 8026124: JSR-292 bug: java.nio.file.Path.toString cores dump 
Catch problem case, assert it matches valid input, new test

Reviewed-by: jrose, twisti, kvn
 2013-10-12 17:26:41 -04:00
Albert Noll
aef0d74e96 8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash 
Ensure ensure correct initialization of compiler runtime

Reviewed-by: kvn, twisti
 2013-10-10 15:44:12 +02:00
Albert Noll
4f459e644f 8025656: compiler/8013496/Test8013496.sh fails on assert 
Ensure the thread is in correct state; rewrote test in Java

Reviewed-by: kvn, twisti
 2013-10-04 09:19:13 +02:00
David Chase
02f6818d8f 8025260: Methodhandles/JSR292: NullPointerException (NPE) thrown instead of AbstractMethodError (AME) 
Copied null-checks from templateInterpreter_CPU into methodHandles_CPU

Reviewed-by: jrose, twisti
 2013-09-27 13:36:25 -04:00
Igor Ignatyev
30874d35f1 8023452: TestCase$Helper(java.lang.Object) must be osr_compiled 
Reviewed-by: kvn
 2013-09-28 12:32:10 +04:00
Rickard Bäckman
441f1d74cf 8024924: Intrinsify java.lang.Math.addExact 
Reviewed-by: kvn, twisti
 2013-09-27 08:39:19 +02:00
Vladimir Kozlov
0ccb2841ea 8022585: VM crashes when ran with -XX:+PrintInlining 
Use adr_at() to access inline info structures in growableArray. Add ability to specify print inlining per method.

Reviewed-by: twisti
 2013-09-24 16:08:00 -07:00
Rickard Bäckman
44a46005b8 Merge 2013-09-02 13:13:45 +02:00
Bill Pittore
67ca3cb452 8023580: Add jtreg test for 8004051 and 8005722 
Tests checks an assertion dealing with the number of args passed in registers

Reviewed-by: mseledtsov, kvn
 2013-08-28 14:44:46 -04:00
Vladimir Ivanov
4b7e40084c 8022595: JSR292: deadlock during class loading of MethodHandles, MethodHandleImpl & MethodHandleNatives 
Reviewed-by: kvn, coleenp, dholmes
 2013-08-26 17:41:05 +04:00
Rickard Bäckman
4cb52fc49d Merge 2013-08-22 18:37:14 +02:00
Vladimir Kozlov
dac98bcc0d 8023472: C2 optimization breaks with G1 
Set control edge for previous value load in G1 pre-barrier

Reviewed-by: twisti
 2013-08-23 18:04:35 -07:00
Kevin Walls
a40e2a9236 8022655: ClassDump ignored jarStream setting 
Reviewed-by: minqi, sla
 2013-08-19 14:28:58 +01:00
Igor Ignatyev
ed4b026105 8019915: whitebox testClearMethodStateTest fails with tiered on sparc 
'compileonly' directive has beens added to each 'compiler/whitebox' test

Reviewed-by: kvn
 2013-08-10 10:01:12 +04:00
Igor Ignatyev
caa3d02130 8022832: Add WB APIs for OSR compilation 
Reviewed-by: kvn
 2013-08-14 23:50:23 +04:00
Igor Ignatyev
f9cf9e88b8 8016456: ciReplay test assumes TIERED compilation is available 
Reviewed-by: vlivanov, kvn, dholmes
 2013-08-16 17:34:37 +04:00
Christian Thalinger
7107241178 8022029: GetUnsafeObjectG1PreBarrier fails on 32-bit with: Unrecognized VM option 'ObjectAlignmentInBytes=32' 
Reviewed-by: kvn
 2013-08-05 15:03:40 -07:00
Albert Noll
4ca00ef5a6 8020531: Test compiler/codecache/CheckUpperLimit.java fails when memory limited 
Removed part of the test that required the VM to start up with -XX:ReservedCodeCacheSize=2048m

Reviewed-by: kvn, rbackman
 2013-08-01 16:01:32 -07:00
Christian Thalinger
5555a381fb 8016474: Crash in sun.reflect.UnsafeObjectFieldAccessorImpl.get 
C1's GetUnsafeObject G1 pre-barrier uses the wrong type to read the klass pointer.

Reviewed-by: iveresov, kvn
 2013-07-29 16:32:38 -07:00
Vladimir Kozlov
665bf36b6f 8020433: Crash when using -XX:+RestoreMXCSROnJNICalls 
Remove StubRoutines::x86::_mxcsr_std and use StubRoutines::_mxcsr_std

Reviewed-by: jrose
 2013-07-15 10:28:32 -07:00
Vladimir Kozlov
1338c067aa 8007898: Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier() 
Generate one "fat" membar instead of set of barriers for volitile store

Reviewed-by: roland
 2013-07-12 14:03:10 -07:00
Vladimir Kozlov
2d3b117249 8020215: Different execution plan when using JIT vs interpreter 
Fix bytecode analyzer

Reviewed-by: twisti
 2013-07-12 14:01:37 -07:00
Christian Thalinger
fa834be249 Merge 2013-07-09 22:00:04 -07:00
Niclas Adlertz
5de04505c1 8019625: Test compiler/8005956/PolynomialRoot.java timeouts on Solaris SPARCs 
Disable the test for SPARC and reduce the number of test iterations

Reviewed-by: kvn
 2013-07-09 17:20:32 +02:00
Albert Noll
1bc320c73a 8015635: Crash when specifying very large code cache size 
Limit the size of the code cache to at most 2G when arguments are checked; added regression test

Reviewed-by: kvn, twisti
 2013-07-09 11:48:05 +02:00
David Chase
9a359984c2 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 
Add intrinsics using new instruction to interpreter, C1, C2, for suitable x86; add test

Reviewed-by: kvn, twisti
 2013-07-02 20:42:12 -04:00
Niclas Adlertz
2b66900257 8017510: Add a regression test for 8005956 
Regression test for 8005956

Reviewed-by: kvn, twisti
 2013-06-26 00:40:13 +02:00
Vladimir Kozlov
e62cfbfd5f Merge 2013-06-06 11:02:25 -07:00
Serguei Spitsyn
e609456b0e 8015803: Test8015436.java fails 'can not access a member of class Test8015436 with modifiers "public static"' 
Newly added test has an issue: the main class must be public

Reviewed-by: kvn, jbachorik, coleenp
 2013-06-04 01:06:50 -07:00
Serguei Spitsyn
a246da16d1 8015436: compiler/ciReplay/TestSA.sh fails with assert() index is out of bounds 
The InstanceKlass _initial_method_idnum value must be adjusted if overpass methods are added.

Reviewed-by: twisti, kvn
 2013-05-30 11:46:39 -07:00
Vladimir Kozlov
47a5d851ad 8010927: Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy 
Changed gen_write_ref_array_post_barrier() code on x64 to pass start address and number of copied oop elements. In generate_checkcast_copy() skip post barrier code if no elements are copied.

Reviewed-by: roland
 2013-05-22 18:25:43 -07:00
Igor Ignatyev
bf1380cc77 8014068: TEST_BUG: compiler/ciReplay/TestSA.sh fails on Windows: core wasn't generated 
Reviewed-by: kvn
 2013-05-15 22:44:52 +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
Roland Westrelin
20b5d3aa4f 8012037: Test8009761.java "Failed: init recursive calls: 7224. After deopt 58824" 
Test shouldn't be run with a modified CompileThreshold

Reviewed-by: kvn
 2013-05-03 09:32:50 +02:00
Igor Ignatyev
25dd2eda88 8012322: Tiered: CompilationPolicy::can_be_compiled(CompLevel_all) mistakenly return false 
Reviewed-by: kvn, vlivanov
 2013-04-26 07:21:41 -07:00
Igor Ignatyev
0a434e425b 8011675: adding compilation level to replay data 
Reviewed-by: kvn, vlivanov
 2013-04-25 11:09:24 -07:00
Albert Noll
34f8be0bc9 8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm 
Moved check that ReservedCodeCacheSize >= InitialCodeCacheSize to Arguments::check_vm_args_consistency(). As a result, the ordering in which the two parameters are given to the VM is not relevant. Added a regression test.

Reviewed-by: kvn, twisti
 2013-05-31 06:41:50 +02:00
Roland Westrelin
2e5f473752 8015585: Missing regression test for 8011771 
Missing regression test

Reviewed-by: kvn
 2013-05-30 11:21:01 +02:00
Roland Westrelin
bad6728ea4 8011901: Unsafe.getAndAddLong(obj, off, delta) does not work properly with long deltas 
Instruct xaddL_no_res shouldn't allow 64 bit constants.

Reviewed-by: kvn
 2013-04-16 17:06:39 +02:00
Igor Ignatyev
33e3f6b59b 8011971: WB API doesn't accept j.l.reflect.Constructor 
Reviewed-by: kvn, vlivanov
 2013-04-16 10:04:01 -07:00
David Chase
25c31f3742 6443505: Ideal() function for CmpLTMask 
Repair wrong code generation, added new matching rule

Reviewed-by: kvn, twisti
 2013-04-12 19:14:47 -07:00
Roland Westrelin
c99c99aa36 8011706: specjvm2008 test xml.transform gets array bound exception with c1 
Loop invariant code motion may move load before store to the same field

Reviewed-by: kvn
 2013-04-10 09:52:49 +02:00
Igor Ignatyev
ca90185607 8007288: Additional WB API for compiler's testing 
Reviewed-by: kvn, vlivanov
 2013-04-09 09:54:17 -07:00
David Chase
12be356d81 8010913: compiler/6863420 often exceeds timeout 
Add longer timeout for jtreg, add internal timeout thread to prevent spurious timeouts

Reviewed-by: twisti, kvn
 2013-04-08 07:40:08 -07:00
Roland Westrelin
02a014996b 8010399: Test8009761.java "Failed: init recursive calls: 5498. After deopt 5494" 
Test from 8009761 shouldn't be run with -Xcomp

Reviewed-by: kvn
 2013-04-04 09:33:24 +02:00
Gary Collins
c2a873f014 8009152: A number of jtreg tests need review/improvement 
Added a new test_env.txt file to capture common shell variable. Added concept of COMPILEJAVA for use when TESTJAVA is a JRE. If COMPILEJAVA not set then TESTJAVA will be the default with assumption it is a JDK.

Reviewed-by: kvn, brutisso, coleenp
 2013-03-27 09:49:51 -07:00
Igor Ignatyev
51c733dfb1 8008211: Some of WB tests on compiler fail 
Reviewed-by: kvn, vlivanov
 2013-03-18 04:29:08 -07:00
Roland Westrelin
05b1c69fc0 8009761: Deoptimization on sparc doesn't set Llast_SP correctly in the interpreter frames it creates 
Deoptimization doesn't set up callee frames so that they restore caller frames correctly.

Reviewed-by: kvn
 2013-03-13 09:44:45 +01:00
Bill Pittore
715db0beb3 Merge 2013-03-01 14:06:47 -05:00
Vladimir Ivanov
528aec3f18 Merge 2013-02-28 15:31:03 -08:00
Gary Collins
093d1163e4 7115383: TEST_BUG: some jtreg tests fail because they explicitly specify -server option 
Small changes to hotspot tests to remove  "-server" and replace with ${TESTVMOPTS}

Reviewed-by: kvn
 2013-02-27 20:36:14 -08:00
David Chase
899bcf76ae 8007776: Test6852078.java timeouts 
If more than 100 seconds and more than 100 iterations have both passed, then exit is allowed.

Reviewed-by: kvn
 2013-02-26 15:38:24 -08:00
Roland Westrelin
c84424d4af 8007722: C2: "assert(tp->base() != Type::AnyPtr) failed: not a bare pointer" at machnode.cpp:376 
GetAndSetP's MachNode should capture bottom type.

Reviewed-by: kvn
 2013-02-26 12:18:30 +01:00
Roland Westrelin
fe92862089 8007294: ReduceFieldZeroing doesn't check for dependent load and can lead to incorrect execution 
InitializeNode::can_capture_store() must check that the captured store doesn't overwrite a memory location that is loaded before the store.

Reviewed-by: kvn
 2013-02-25 14:13:04 +01:00
Serguei Spitsyn
f85789e68a Merge 2013-02-22 10:16:51 -08:00
Mikael Gerdin
1d468be4b1 8006753: fix failed for JDK-8002415 White box testing API for HotSpot 
Modify WhiteBoxAPI to use interface classes from test/testlibrary instead, add ClassFileInstaller to resolve the boot class path issue

Reviewed-by: ctornqvi, dsamersoff, coleenp, kvn
 2013-02-19 18:45:49 +01:00
Vladimir Kozlov
656949d014 8004867: VM crashing with assert "share/vm/opto/node.hpp:357 - assert(i < _max) failed: oob" 
Added few checks and early bailout from Superword optimization to avoid such cases in a future.

Reviewed-by: roland, twisti
 2013-02-18 16:47:15 -08:00
David Chase
8d2496d7de 7102300: performance warnings cause results diff failure in Test6890943 
Strip lines matching the performance warning from the output before diff.

Reviewed-by: kvn
 2013-02-18 15:08:39 -08:00
David Chase
d867a3f9a8 8008180: Several tests in compiler/5091921 need more time to run 
Added an explicit timeouts.

Reviewed-by: kvn, twisti
 2013-02-18 14:29:16 -08:00
Igor Ignatyev
034705ee13 8006683: Add WhiteBox API to testing of compiler 
Reviewed-by: kvn, vlivanov
 2013-02-13 08:29:04 -08:00
Krystal Mo
851ae93451 8002169: TEST_BUG: compiler/7009359/Test7009359.java sometimes times out 
Make the test less prone to timeout by reducing the amount of iteration and allowing main to be compiled

Reviewed-by: jrose
 2013-02-12 07:39:42 -08:00
David Chase
89b8658977 8006500: compiler/8004741/Test8004741.java fails intermediately 
Rewrote the test to be more reliable, add test for invalid size exception

Reviewed-by: kvn
 2013-01-25 16:09:14 -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
David Chase
c803a77fa8 8006204: please JTREGify test/compiler/7190310/Test7190310.java 
Add proper jtreg annotations in the preceding comment, including an explicit timeout.

Reviewed-by: kvn, twisti
 2013-01-16 14:55:18 -08:00
Vladimir Kozlov
38c81fb411 8005419: Improve intrinsics code performance on x86 by using AVX2 
Use 256bit vpxor,vptest instructions in String.compareTo() and equals() intrinsics.

Reviewed-by: twisti
 2013-01-08 11:30:51 -08:00
Vladimir Kozlov
e508acf372 8004741: Missing compiled exception handle table entry for multidimensional array allocation 
Added missing exception path for multidimensional array allocation and use Throwable type instead of OutOfMemoryError for allocation's exception.

Reviewed-by: twisti
 2012-12-19 19:21:15 -08:00
Vladimir Kozlov
960d969ade 8004835: Improve AES intrinsics on x86 
Enable AES intrinsics on non-AVX cpus, group together aes instructions in crypto stubs.

Reviewed-by: roland, twisti
 2012-12-19 15:40:35 -08:00
Richard Reingruber
ba0d2572eb 8005033: clear high word for integer pop count on SPARC 
Reviewed-by: kvn, twisti
 2012-12-19 14:44:00 -08:00
David Chase
fea11c53eb 7146636: compiler/6865265/StackOverflowBug.java fails due to changed stack minimum 
Increase the stack size in the run parameters.

Reviewed-by: kvn
 2012-11-16 15:49:46 -08:00
Vladimir Kozlov
1ebf7b9116 8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity 
Added missed type check of initializing store in ConnectionGraph::find_init_values().

Reviewed-by: roland, twisti, vlivanov
 2012-11-06 15:16:32 -08:00
Tom Deneau
6d94ef1ee7 7184394: add intrinsics to use AES instructions 
Use new x86 AES instructions for AESCrypt.

Reviewed-by: twisti, kvn, roland
 2012-10-24 14:33:22 -07:00
Vladimir Kozlov
a9c2b6a900 8001183: incorrect results of char vectors right shift operaiton 
Do vector right shift operation for small int types only after loads

Reviewed-by: jrose, dlong
 2012-10-23 13:06:37 -07:00
Vladimir Ivanov
7f87237400 8000805: JMM issue: short loads are non-atomic 
Perform transforms during IGVN phase when Load has a single user.

Reviewed-by: jrose, kvn, twisti
 2012-10-22 11:44:30 -07:00
Mikael Vidstedt
769dd50182 7197424: update copyright year to match last edit in jdk8 hotspot repository 
Update copyright year to 2012 for relevant files

Reviewed-by: dholmes, coleenp
 2012-10-09 10:09:34 -07:00
Vladimir Kozlov
8d8d00ff00 7199742: A lot of C2 OSR compilations of the same method's bci 
Don't clone head of OSR loop.

Reviewed-by: jrose, twisti
 2012-10-02 14:49:21 -07:00
Vladimir Kozlov
e8332c76e9 7201026: add vector for shift count 
Add generation of vectors for scalar shift count.

Reviewed-by: roland, twisti, dlong
 2012-10-02 12:25:13 -07:00
Vladimir Kozlov
973fdc81a1 7200264: 7192963 changes disabled shift vectors 
Replaced is_vector_use() call with explicit check for vector shift's count.

Reviewed-by: twisti, roland, dlong, vlivanov
 2012-09-25 15:48:17 -07:00
Vladimir Kozlov
811c047ec1 7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect 
Save whole XMM/YMM registers in safepoint interrupt handler.

Reviewed-by: roland, twisti
 2012-09-17 19:39:07 -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
Pavel Punegov
373b8ccd27 7191926: Remove MKS dependency in Hotspot regression tests 
Add case for CYGWIN in .sh files.

Reviewed-by: coleenp, kvn
 2012-08-29 14:49:05 -04:00
Christian Thalinger
2509329d59 Merge 2012-08-24 11:48:32 -07:00
Vladimir Kozlov
cbfca3259c 7192963: assert(_in[req-1] == this) failed: Must pass arg count to 'new' 
Fixed Pack node generation. Not vectorize shift instructions if count is not the same for all shifts and if count is vector.

Reviewed-by: twisti
 2012-08-22 11:55:40 -07:00
Vladimir Kozlov
04c6a7ce10 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops 
In C2 add software membar after load from Reference.referent field to prevent commoning of loads across safepoint since GC can change its value. In C1 always generate Reference.get() intrinsic.

Reviewed-by: roland, twisti, dholmes, johnc
 2012-08-20 09:58:58 -07:00
Vladimir Kozlov
e3c3c8527e 6340864: Implement vectorization optimizations in hotspot-server 
Added asm encoding and mach nodes for vector arithmetic instructions on x86.

Reviewed-by: roland
 2012-08-20 09:07:21 -07:00
Coleen Phillimore
d52b3a7eb7 7129723: MAC: Some regression tests need to recognize Mac OS X platform 
Add Darwin like Linux to shell scripts

Reviewed-by: kvn, kamg, dholmes
 2012-08-01 16:52:43 -04:00
Roland Westrelin
3511594d3c 7177917: Failed test java/lang/Math/PowTests.java 
When c2 intrinsifies pow/exp, it should never inline the java implementations.

Reviewed-by: kvn
 2012-07-02 09:58:06 +02:00
Vladimir Kozlov
8c4cefaa96 7179138: Incorrect result with String concatenation optimization 
Check for and skip diamond shaped NULL check code for the result of toString()

Reviewed-by: twisti, roland
 2012-06-26 09:06:16 -07:00
Roland Westrelin
118f552a6e 7174363: Arrays.copyOfRange leads to VM crash with -Xcomp -server if executed by testing framework 
Arrays.copyOfRange(original, from, to) with from > original.length tries to do a copy with a negative length.

Reviewed-by: kvn, twisti
 2012-06-18 09:52:31 +02:00
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
Vlaidmir Ivanov
e67db1b150 7169782: C2: SIGSEGV in LShiftLNode::Ideal(PhaseGVN*, bool) 
Keep intermediate node alive till the end of the graph construction using dummy hook node trick

Reviewed-by: kvn, twisti
 2012-06-12 09:47:23 -07:00
Zhengyu Gu
eefa9c27a1 Merge 2012-05-12 06:50:41 -04:00
Kevin Walls
8b44324ec4 7157734: hotspot test scripts not testing 64-bit JVM under JPRT/JTREG 
Reviewed-by: kvn
 2012-05-11 17:24:32 +01:00
Vladimir Kozlov
7ecd34e368 7167266: missing copyright notes in 3rd party code 
Add missing copyright notes to the regression test file.

Reviewed-by: twisti, johnc
 2012-05-08 15:47:04 -07:00
Vladimir Kozlov
904f53db88 7160610: Unknown Native Code compilation issue 
When constructing input vector use type of vector's operation which use it since element's sizes should match.

Reviewed-by: never, twisti
 2012-05-07 12:37:46 -07:00
Volker Simonis
b9fbc2faab 7141637: JSR 292: MH spread invoker crashes with NULL argument on x86_32 
Reviewed-by: twisti
 2012-02-02 09:14:38 -08:00
Roland Westrelin
a59952f4c9 7090976: Eclipse/CDT causes a JVM crash while indexing C++ code 
Too optimistic inlining decision confuses local value numbering.

Reviewed-by: never
 2012-02-01 10:36:58 +01:00
Vladimir Kozlov
791afc42da 7128352: assert(obj_node == obj) failed 
Compare uncasted object nodes.

Reviewed-by: never
 2012-01-10 18:05:38 -08:00
Vladimir Kozlov
b93ca70b9b Merge 2012-01-06 20:09:20 -08:00
Vladimir Kozlov
05ec1c0816 7125879: assert(proj != NULL) failed: must be found 
Leave i_o attached to slow allocation call when there are no i_o users after the call.

Reviewed-by: iveresov, twisti
 2011-12-30 11:43:06 -08:00
Roland Westrelin
c10042bc68 7123108: C1: assert(if_state != NULL) failed: states do not match up 
In CEE, ensure if and common successor state are at the same inline level

Reviewed-by: never
 2011-12-22 10:55:53 +01:00
Bertrand Delsart
82a0e26723 7116216: StackOverflow GC crash 
GC crash for explicit stack overflow checks after a C2I transition.

Co-authored-by: Yang Wang <yang02.wang@sap.com>
Reviewed-by: coleenp, never
 2011-12-20 12:33:05 +01:00
Igor Veresov
b6ce13798b 7112085: assert(fr.interpreter_frame_expression_stack_size()==0) failed: only handle empty stacks 
Move the inlinee invoke notification callback into inlinee preamble

Reviewed-by: kvn, never
 2011-11-16 19:42:58 -08:00
Vladimir Kozlov
157ba53d27 7110586: C2 generates incorrect results 
Exact limit of empty loop calculated incorrectly.

Reviewed-by: iveresov, never
 2011-11-10 20:17:05 -08:00
Vladimir Kozlov
b354aa367c 7106907: 64 bit VM fails test compiler/6865265/StackOverflowBug.java 
Use -Xss224k instead of -Xss128k.

Reviewed-by: never
 2011-10-31 15:52:11 -07:00
Tom Rodriguez
6bcf877494 7103261: crash with jittester on sparc 
Reviewed-by: iveresov, kvn
 2011-10-28 14:44:52 -07:00
Vladimir Kozlov
2407655ab1 7100757: The BitSet.nextSetBit() produces incorrect result in 32bit VM on Sparc 
Instruction countTrailingZerosL() should use iRegIsafe dst register since it is used in long arithmetic.

Reviewed-by: never, twisti
 2011-10-14 10:07:28 -07:00
Volker Simonis
e3c38523b2 6865265: JVM crashes with "missing exception handler" error 
Retry the call to fast_exception_handler_bci_for() after it returned with a pending exception. Don't cache the exception handler pc computed by compute_compiled_exc_handler() if the handler is for another (nested) exception.

Reviewed-by: kamg, kvn
 2011-10-04 14:30:04 -07:00
Tom Rodriguez
1ebca30d26 7088020: SEGV in JNIHandleBlock::release_block 
Reviewed-by: kvn, twisti
 2011-09-10 00:11:04 -07:00
Vladimir Kozlov
42c3c5cb7b 7087947: Add regression test for 7068051 
Add regression test.

Reviewed-by: never
 2011-09-08 12:44:04 -07:00
Tom Rodriguez
19f7fb98b8 7082949: JSR 292: missing ResourceMark in methodOopDesc::make_invoke_method 
Reviewed-by: kvn, twisti
 2011-08-25 20:29:30 -07:00
Vladimir Kozlov
b4082c3cd1 7076831: TEST_BUG: compiler/5091921/Test7005594.java fails on LOW MEM SYSTEMS 
Run test only on systems with 2Gbyte or more memory. Don't zap heap to reduce execution time.

Reviewed-by: iveresov
 2011-08-20 14:03:12 -07:00
Vladimir Kozlov
dd43791e4a 7070134: Hotspot crashes with sigsegv from PorterStemmer 
Do not move data nodes which are attached to a predicate test to a dominating test.

Reviewed-by: never
 2011-07-26 19:35:23 -07:00
Tom Rodriguez
8acdd5ce55 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods 
Check for single stepping when dispatching invokes from method handles

Reviewed-by: coleenp, twisti, kvn, dsamersoff
 2011-07-15 15:35:50 -07:00
Vladimir Kozlov
cf91e8dbca 7067288: compiler regression test Test7052494 timeouts with client VM 
Test is modified to reduce number of iterations in test5() and test6().

Reviewed-by: never, iveresov
 2011-07-14 15:39:40 -07:00
Tom Rodriguez
2337123692 6478991: C1 NullCheckEliminator yields incorrect exceptions 
Reviewed-by: twisti, iveresov
 2011-07-05 16:07:54 -07:00
Vladimir Kozlov
b3505a88a4 7044738: Loop unroll optimization causes incorrect result 
Take into account memory dependencies when clonning nodes in clone_up_backedge_goo().

Reviewed-by: never
 2011-06-28 15:24:29 -07:00
Vladimir Kozlov
d19a8f6e35 7052494: Eclipse test fails on JDK 7 b142 
Keep 'ne' test in Counted loop when we can't guarantee during compilation that init < limit.

Reviewed-by: never
 2011-06-20 16:45:35 -07:00
Vladimir Kozlov
a8556d6c01 6956668: misbehavior of XOR operator (^) with int 
Optimize cmp_ne(xor(X,1),0) to cmp_eq(X,0) only for boolean values X.

Reviewed-by: never
 2011-05-31 10:05:36 -07:00
Vladimir Kozlov
c3a7796068 7047069: Array can dynamically change size when assigned to an object field 
Fix initialization of a newly-allocated array with arraycopy

Reviewed-by: never
 2011-05-27 12:47:48 -07:00
Vladimir Kozlov
a1e18b9ed3 7048332: Cadd_cmpLTMask doesn't handle 64-bit tmp register properly 
Use ins_encode %{ %} form to encode cadd_cmpLTMask() instruction and remove unused code.

Reviewed-by: never
 2011-05-25 21:17:07 -07:00
Vladimir Kozlov
32ead86b1c 7045570: compiler/5091921/Test7005594.java failed because not enough space for object heap 
Fixed tests.

Reviewed-by: iveresov, never
 2011-05-17 12:26:33 -07:00
Igor Veresov
bb2c21a025 7042153: guarantee(x_compare_res != Constant::not_comparable) failed: incomparable constants in IfOp 
Handle IfOps folding properly in case of unloaded constant oop arguments

Reviewed-by: kvn, never
 2011-05-06 12:12:29 -07:00
Vladimir Kozlov
9f0bca3b75 7042070: Typo in Test6796786.java 
The test should compare with -0.0f.

Reviewed-by: never, iveresov
 2011-05-04 22:41:17 -07:00
Vladimir Kozlov
1ac79543d0 5091921: Sign flip issues in loop optimizer 
Fix integer overflow problem in the code generated by loop optimizer.

Reviewed-by: never
 2011-05-04 13:12:42 -07:00
Tom Rodriguez
c3a8cf7156 Merge 2011-05-03 17:09:05 -07:00
Tom Rodriguez
0ecc18851a 6796786: invalid FP identity transform - (a - b) -> b - a 
Reviewed-by: iveresov, twisti
 2011-05-03 12:11:54 -07:00
Vladimir Kozlov
e1442309e1 7041100: The load in String.equals intrinsic executed before null check 
Remove control from loads in String.equals intrinsic and cast argument to not-null.

Reviewed-by: never
 2011-05-03 09:10:39 -07:00
Coleen Phillimore
3c4d3002f2 Merge 2011-04-12 14:18:53 -07:00
David Holmes
953a87d003 7009276: Add -XX:+IgnoreUnrecognizedVMOptions to several tests 
Reviewed-by: kvn
 2011-04-04 18:15:55 -04:00
Vladimir Kozlov
3ecb9f51df 7029152: Ideal nodes for String intrinsics miss memory edge optimization 
In Ideal() method of String intrinsics nodes look for TypeAryPtr::CHARS memory slice if memory is MergeMem. Do not unroll a loop with String intrinsics code.

Reviewed-by: never
 2011-03-30 12:08:49 -07:00
Tom Rodriguez
5387ee459e 7024475: loop doesn't terminate when compiled 
Reviewed-by: kvn
 2011-03-27 00:00:14 -07:00
Christian Thalinger
efdad520ca 7029805: JSR 292 compiler/6991596/Test6991596.java fails in nightly 
Both JSR 292 compiler tests were moved with 6839872 to the jdk repository

Reviewed-by: never
 2011-03-23 04:19:16 -07:00
Vladimir Kozlov
a74bc73598 6942326: x86 code in string_indexof() could read beyond reserved heap space 
Copy small (<8) strings on stack if str+16 crosses a page boundary and load from stack into XMM. Back up pointer when loading string's tail.

Reviewed-by: never
 2011-02-26 12:10:54 -08:00
Vladimir Kozlov
5d3ab72d1d 7017746: Regression : C2 compiler crash due to SIGSEGV in PhaseCFG::schedule_early() 
Add TEMP edges (and KILL projections) before duplicated operands are removed in Expand() methods.

Reviewed-by: never
 2011-02-10 14:25:59 -08:00
Christian Thalinger
4c567f5969 7018277: JSR 292 change test/compiler/6987555/Test6987555.java to new MH syntax 
Test/compiler/6987555/Test6987555.java currently does not compile because the MH return-type syntax has changed.

Reviewed-by: never
 2011-02-10 00:47:59 -08:00
Erik Trimble
64115cbb85 Merge 2011-01-07 22:56:35 -08:00
Erik Trimble
3c6a7c89ff 7010068: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - first pass 
Update the copyright to be 2010 on all changed files in OpenJDK

Reviewed-by: jcoomes
 2011-01-03 15:30:05 -08:00
Vladimir Kozlov
4286ac7947 7009359: HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected 
Bailout StringConcat optimization if null is passed to StringBuffer constructor.

Reviewed-by: iveresov
 2010-12-28 17:34:02 -08:00
Igor Veresov
43280aa63e 7009231: C1: Incorrect CAS code for longs on SPARC 32bit 
Fix CAS of longs on SPARC 32bit and cmove on SPARC 64bit.

Reviewed-by: kvn
 2010-12-27 21:51:31 -08:00
Tom Rodriguez
ecddc15f7c 6579789: Internal error "c1_LinearScan.cpp:1429 Error: assert(false,"")" in debuggee with fastdebug VM 
Reviewed-by: kvn, iveresov
 2010-12-17 15:55:32 -08:00
Christian Thalinger
bd6731ae92 7003798: test/compiler/6991596 fails with true != false 
The test of 6991596 fails on SPARCV9.

Reviewed-by: kvn, never, jrose
 2010-12-03 06:14:37 -08:00
Tom Rodriguez
532dec3797 7002666: eclipse CDT projects crash with compressed oops 
Reviewed-by: kvn, twisti
 2010-12-01 10:16:31 -08:00
Igor Veresov
eb71d414e1 Merge 2010-11-11 17:36:50 -08:00
Vladimir Kozlov
ce2df719c6 6997311: SIGFPE in new long division asm code 
Use unsigned DIV instruction

Reviewed-by: never
 2010-11-06 18:52:07 -07:00
Lana Steuck
83b80f473c Merge 2010-11-04 15:32:01 -07:00
Pavel Tisnovsky
f37b5faab7 6997495: correction of regression test compiler/6857159/Test6857159 
Testcase correction.

Reviewed-by: never
 2010-11-04 14:03:12 +01:00
Christian Thalinger
14d9ac3169 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC 
Reviewed-by: kvn, jrose, dsamersoff
 2010-10-18 01:54:24 -07:00
Christian Thalinger
98e9ecf9da 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC 
Reviewed-by: never, jrose
 2010-10-13 01:19:43 -07:00
Tom Rodriguez
f591ed981d 6968348: Byteswapped memory access can point to wrong location after JIT 
Reviewed-by: twisti, kvn, iveresov
 2010-10-04 17:09:18 -07:00
Tom Rodriguez
e65f42fe5e 6982370: SIGBUS in jbyte_fill 
Reviewed-by: kvn
 2010-09-14 14:09:24 -07:00
Abhijit Saha
a3319eba8a 6977952: Test: Sync missing tests from hs16.3 to hs17.x 
Reviewed-by: wrockett
 2010-08-17 22:52:50 -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
Tom Rodriguez
154ae789ef 6958485: fix for 6879921 was insufficient 
Reviewed-by: kvn
 2010-06-07 14:17:01 -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
Hiroshi Yamauchi
cd48f31efe 6946040: add intrinsic for short and char reverseBytes 
Reviewed-by: never, twisti
 2010-04-26 11:27:21 -07:00
Abhijit Saha
0610f6846b Merge 2010-04-06 22:06:57 -07:00
Abhijit Saha
845f11dd17 Merge 2010-03-24 17:16:33 -07:00
Tom Rodriguez
dac78c30b9 6930043: C2: SIGSEGV in javasoft.sqe.tests.lang.arr017.arr01702.arr01702.loop_forw(II)I 
Reviewed-by: kvn
 2010-03-17 16:40:25 -07:00
Vladimir Kozlov
72a7a6ffcf 6935535: String.indexOf() returns incorrect result on x86 with SSE4.2 
Added missing counter decrement when substring search restarted.

Reviewed-by: twisti
 2010-03-17 10:47:03 -07:00
Roland Westrelin
7dcf59914e 6932496: c1: deoptimization of jsr subroutine fails on sparcv9 
Store jsr ret bci as intptr constant in c1 debug info

Reviewed-by: never
 2010-03-05 13:58:34 +01:00
Tom Rodriguez
3e1688a8cd 6663854: assert(n != __null,"Bad immediate dominator info.") in C2 with -Xcomp 
Reviewed-by: kvn
 2010-02-18 15:05:10 -08:00
Vladimir Kozlov
22409a5704 6910618: C2: Error: assert(d->is_oop(),"JVM_ArrayCopy: dst not an oop") 
Mark in PcDesc call sites which return oop and save the result oop across objects reallocation during deoptimization.

Reviewed-by: never
 2010-02-09 01:31:13 -08:00
Vladimir Kozlov
3f7a94c3f2 6910605: C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used 
Set the reexecute bit for runtime calls _new_array_Java when they used for _multianewarray bytecode.

Reviewed-by: never
 2010-02-08 12:20:09 -08:00
Hiroshi Yamauchi
688398edef 6921969: optimize 64 long multiply for case with high bits zero 
Reviewed-by: never, twisti, kvn, rasbold
 2010-02-03 15:56:37 -08:00
Tom Rodriguez
8cc63249e9 6916644: C2 compiler crash on x86 
Reviewed-by: kvn, twisti
 2010-01-29 22:51:41 -08:00
Tom Rodriguez
07c442542c 6792161: assert("No dead instructions after post-alloc") 
Reviewed-by: kvn
 2010-01-28 20:41:37 -08:00
Vladimir Kozlov
a0cb26b72d 6893701: compiler/6877254/Test.java fails because it combines -XX:+UseConcMarkSweepGC with other GC 
Remove explicit GC flags in regression tests

Reviewed-by: never, ysr
 2010-01-19 15:54:42 -08:00
Vladimir Kozlov
bb4f475e1b 6917931: compiler/6895383/Test.java don't compile due missed imports 
Add missing imports.

Reviewed-by: never, twisti
 2010-01-19 10:25:54 -08:00
Tom Rodriguez
96612c6e23 6909839: missing unsigned compare cases for some cmoves in sparc.ad 
Reviewed-by: kvn, jrose
 2010-01-09 00:59:35 -08:00
Vladimir Kozlov
eca996c10f 6910484: incorrect integer optimization (loosing and op-r in a given example) 
Remove AND operation only if mask is equal to shift.

Reviewed-by: never
 2010-01-08 09:51:24 -08:00
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
Vladimir Kozlov
00f583219f 6896727: nsk/logging/LoggingPermission/LoggingPermission/logperm002 fails with G1, EscapeAnalisys 
Move instance store's memory users to corresponding memory slices when updating its memory edge.

Reviewed-by: never
 2009-12-09 19:50:14 -08:00
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
Vladimir Kozlov
d19aa4e217 6892265: System.arraycopy unable to reference elements beyond Integer.MAX_VALUE bytes 
Use size_t type cast to widen int values in typeArrayKlass::copy_array().

Reviewed-by: never, jcoomes
 2009-12-03 14:20:22 -08:00
Changpeng Fang
8a9580b1a1 6901572: JVM 1.6.16 crash on loops: assert(has_node(i),"") 
Skip the secondary induction variable handling if it is dead

Reviewed-by: never, kvn
 2009-12-02 13:29:00 -08:00
Roland Westrelin
7eea7dcfe4 6769124: various 64-bit fixes for c1 
Reviewed-by: never
 2009-11-02 11:17:55 +01:00
Changpeng Fang
e3b5580ecc 6852078: HSX 14/16 in jdk 5.0: api/javax_management api/org_omg jck tests crashes or make tnameserv crash 
Disable SuperWord optimization for unsafe read/write

Reviewed-by: kvn, phh
 2009-10-30 10:12:52 -07:00
Tom Rodriguez
8eace255e1 6891750: deopt blob kills values in O5 
Reviewed-by: kvn, twisti
 2009-10-15 11:47:13 -07:00
Tom Rodriguez
9b306d03ee 6885584: A particular class structure causes large allocation spike for jit 
Reviewed-by: kvn
 2009-10-07 15:38:37 -07:00
Volker Simonis
930f3d4570 6880034: SIGBUS during deoptimisation at a safepoint on 64bit-SPARC 
Fix problem with the double register encodings in sparc.ad

Reviewed-by: never, jrose
 2009-10-06 10:15:38 -07:00
Christian Thalinger
e4541dcd08 6879902: CTW failure jdk6_18/hotspot/src/cpu/sparc/vm/assembler_sparc.hpp:845 
For signatures with a large number of arguments the offset for the float store becomes too big and does not fit in 13-bit.

Reviewed-by: kvn, never
 2009-10-06 02:11:49 -07:00
Changpeng Fang
9640e8148d 6886353: For DeoptimizeALot, JTreg tests should "IgnoreUnrecognizedVMOptions on a product build 
Add IgnoreUnrecognizedVMOptions for JTreg tests (on a product build) to pass with DeoptimizeALot

Reviewed-by: kvn
 2009-09-28 17:14:25 -07:00
Vladimir Kozlov
243514d483 6827605: new String intrinsics may prevent EA scalar replacement 
6875866: Intrinsic for String.indexOf() is broken on x86 with SSE4.2

Modify String intrinsic methods to pass char[] pointers instead of string oops.

Reviewed-by: never
 2009-09-14 12:14:20 -07:00
Changpeng Fang
c492f4cde5 6877254: Server vm crashes with no branches off of store slice" when run with CMS and UseSuperWord(default) 
Design StoreCMNode::Ideal to promote its oopStore input if the input is a MergeMem node

Reviewed-by: kvn, never
 2009-09-14 09:49:54 -07:00
Vladimir Kozlov
75e90c9027 6880533: test/compiler/6865031/Test.java miss -XX:+IgnoreUnrecognizedVMOptions 
Add missing test option -XX:+IgnoreUnrecognizedVMOptions.

Reviewed-by: never
 2009-09-09 16:28:03 -07:00
Tom Rodriguez
57a92290f4 6855215: Calculation error (NaN) after about 1500 calculations 
Reviewed-by: kvn
 2009-08-31 17:07:53 -07:00
Changpeng Fang
457be8ad49 6876276: assert(!is_visited,"visit only once") 
Schedule the superword loads based on dependence constraints

Reviewed-by: kvn, never
 2009-08-31 08:31:45 -07:00
Tom Rodriguez
cc01c0f4f6 6795465: Crash in assembler_sparc.cpp with client compiler on solaris-sparc 
Reviewed-by: twisti, cfang
 2009-08-17 14:45:02 -07:00
Changpeng Fang
05c34e93bd 6866651: Regression: simple int sum crashes jvm (build 1.6.0_14-b08 and 1.7.0-ea-b59) 
Delay dead code elimination in set_req_X to make it safe

Reviewed-by: kvn, never
 2009-08-17 12:11:06 -07:00
Vladimir Kozlov
ab7a29cdcc Merge 2009-08-06 09:37:26 -07:00
Vladimir Kozlov
adcbcc3cdc 6868486: timouts and outOfMemory in regression tests 
Increase timeout for tests and heap size for 6851282 test.

Reviewed-by: never, cfang
 2009-08-04 17:11:17 -07:00
Changpeng Fang
ae00753bf7 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot 
Developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens

Reviewed-by: kvn, never, jrose, twisti
 2009-07-31 17:12:33 -07:00
Vladimir Kozlov
f2ea22a547 6865031: Application gives bad result (throws bad exception) with compressed oops 
Produce narrow type for new Phi from the original Phi type.

Reviewed-by: cfang
 2009-07-31 12:04:07 -07:00
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
Christian Thalinger
6dd47535cd 6863155: Server compiler generates incorrect code (x86, long, bitshift, bitmask) 
Code compiled with server compiler generates an incorrect result.

Reviewed-by: cfang, never, kvn
 2009-07-28 09:02:30 +02:00
Vladimir Kozlov
2641db378b 6863420: os::javaTimeNanos() go backward on Solaris x86 
Use new atomic long load method Atomic::load() to load max_hrtime.

Reviewed-by: never, ysr, johnc, phh, dcubed, acorn
 2009-07-26 16:40:14 -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
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
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
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
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
Tom Rodriguez
7633aaa177 Merge 2008-10-06 13:11:32 -07:00
Tom Rodriguez
043fde10e5 6743188: incomplete fix for 6700047 C2 failed in idom_no_update 
Reviewed-by: rasbold, kvn
 2008-10-03 13:58:20 -07:00
Erik Trimble
b089627fe8 6755406: minor mistakes in copyright notices 
Mismatch in some header copyrights from standard templates

Reviewed-by: jcoomes
 2008-10-02 14:11:33 -07:00
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
Vladimir Kozlov
3c4879eb9a 6741738: TypePtr::add_offset() set incorrect offset when the add overflows 
Set offset to OffsetBot when the add overflows in TypePtr::add_offset()

Reviewed-by: jrose, never
 2008-08-27 14:47:32 -07:00
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
Tom Rodriguez
20de63f383 6700047: C2 failed in idom_no_update 
Partial peeling shouldn't place clones into loop

Reviewed-by: kvn
 2008-07-25 15:54:23 -07:00
Tom Rodriguez
7b4a7f7bdc 6712835: Server compiler fails with assertion (loop_count < K,"infinite loop in PhaseIterGVN::transform") 
Reviewed-by: kvn
 2008-07-25 11:32:56 -07:00
Vladimir Kozlov
fae39068e8 6723160: Nightly failure: Error: meet not symmetric 
Add missing _instance_id settings and other EA fixes.

Reviewed-by: rasbold
 2008-07-16 16:04:39 -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
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
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
Keith McGuigan
d58beaefde Merge 2008-06-06 13:43:36 -04:00
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
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
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
Tom Rodriguez
6f63c6e88b 6663848: assert(i < Max(),"oob") in C2 with -Xcomp 
NeverBranchNodes aren't handled properly

Reviewed-by: kvn, sgoldman, rasbold, jrose
 2008-04-24 11:13:03 -07:00
Tom Rodriguez
3093e354db 6646020: assert(in_bb(n),"must be in block") in -Xcomp mode 
Reviewed-by: kvn, rasbold
 2008-04-03 21:26:03 -07:00
Tom Rodriguez
a2b4f55757 6663621: JVM crashes while trying to execute api/java_security/Signature/SignatureTests.html#initSign tests 
Alignment expression with secondary induction variables is sometimes wrong

Reviewed-by: kvn, rasbold
 2008-03-20 10:43:42 -07:00
Tom Rodriguez
d200260fe5 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations 
Copy elimination of a constant value results in incorrect execution

Reviewed-by: kvn, sgoldman, rasbold
 2008-03-19 15:14:36 -07:00
Tom Rodriguez
49434b6bad 6659207: access violation in CompilerThread0 
Split_thru_phi produces top on a non-dead path

Reviewed-by: kvn, rasbold, sgoldman
 2008-03-18 23:54:17 -07:00