Commit Graph

474 Commits

Author SHA1 Message Date
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