607 Commits

Author SHA1 Message Date
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
Vladimir Kozlov
8f6070ce0e 6841800: Incorrect boundary values behavior for option -XX:MaxLabelRootDepth=0-6 leads to jvm crash
MaxLabelRootDepth value less then 10 is invalid.

Reviewed-by: never
2009-06-24 12:00:51 -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
7b9d6a79ac 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
Disable escape analysis when jvmti/debugger is used. Add support for EA ibto SA.

Reviewed-by: never
2009-06-09 16:19:10 -07:00
Changpeng Fang
0429abd38a 6848466: frame::frame_size() assertion failure with -XX:+DebugDeoptimization
Add a RegisterMap* argument to frame::frame_size() to correctly compute the sender frame

Reviewed-by: never
2009-06-05 10:25:39 -07:00
Tom Rodriguez
73a6885c23 Merge 2009-06-03 18:15:25 -07:00
Changpeng Fang
f981546f2d 6837146: Should perform unswitch before maximally unroll in loop transformation
Move loop unswitch before maximally unroll

Reviewed-by: never
2009-05-28 09:37:18 -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
Tomas Hurka
6ee565c7b8 6839599: JVM crash while profiling Tomcat and Liferay
ConstantPoolOopDesc::copy_cpool_bytes() - do the brute-force search search through 'tbl' when SymbolTable::lookup_only() returns NULL

Reviewed-by: kamg
2009-05-20 09:36:53 +02:00
Kelly O'Hair
affd74638e Merge 2009-05-15 18:14:44 -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
Igor Veresov
702a13b785 6840196: NUMA allocator: crash in fastdebug during startup on Linux
With libnuma >1.2 explicity use 1.1 symbols

Reviewed-by: ysr
2009-05-12 15:55:56 -07:00
Vladimir Kozlov
e101bdf5df 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException
Do not mark an allocation as scalar replaceable if its actual type in unknown statically.

Reviewed-by: never
2009-05-11 18:30:13 -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
Igor Veresov
dacaa6b65d 6838842: NUMA allocator: Segfault during startup on Linux
Restored os::free_memory() semantics

Reviewed-by: apetrusenko
2009-05-08 15:20:10 -07:00
Kelly O'Hair
a3ead33c8d 6839126: Type error found by newer windows compiler
Reviewed-by: never, kvn
2009-05-08 14:33:58 -07:00
Vladimir Kozlov
34ee921399 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
Cache Jvmti and DTrace flags used by Compiler.

Reviewed-by: never
2009-05-08 10:44:20 -07:00
Vladimir Kozlov
b5cff6a1a0 Merge 2009-05-08 10:34:31 -07:00
Vladimir Kozlov
955a453996 Merge 2009-05-07 17:09:48 -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
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
John Cuthbertson
92afe130d1 6833576: G1: assert illegal index, growableArray.hpp:186
The code that calculates the heap region index for an object address incorrectly used signed arithmetic.

Reviewed-by: jcoomes, ysr
2009-05-05 22:15:35 -07:00
Changpeng Fang
716c78f080 6833879: Assigning positive zero is ignored when old value is negative zero
Don't perform CMOVE identity optimization for floating point types

Reviewed-by: kvn, never
2009-05-05 11:02:10 -07:00
John Cuthbertson
55750920b4 6490395: G1: Tidy up command line flags
Change G1 flag names to be more consistent and disable some in 'product' mode.

Reviewed-by: tonyp, iveresov
2009-04-30 15:07:53 -07:00
Andrey Petrusenko
907a41e100 Merge 2009-05-04 02:57:39 -07:00
Vladimir Kozlov
e329e92190 Merge 2009-04-30 12:09:39 -07:00
Vladimir Kozlov
2c4602adb3 6834177: Running jsynprog on Solaris Nevada can cause JVM crash
Use CodeCache buffer blob instead of static buffer in AdapterHandlerLibrary.

Reviewed-by: never
2009-04-29 12:58:09 -07:00
Igor Veresov
db68fa7326 6819098: G1: reduce RSet scanning times
Added a feedback-driven exponential skipping for parallel RSet scanning.

Reviewed-by: tonyp, apetrusenko
2009-04-27 16:52:18 -07:00
Vladimir Kozlov
9e0929adba Merge 2009-04-27 12:55:28 -07:00
Vladimir Kozlov
a1533dafce 6834142: method->print_codes(): Error: ShouldNotReachHere()
Restore the call to Bytecodes::java_code() in BytecodePrinter::print_attributes().

Reviewed-by: jrose
2009-04-27 12:45:14 -07:00
Andrey Petrusenko
5213d97280 Merge 2009-04-27 12:33:57 -07:00
Tom Rodriguez
8e16f6b5c4 Merge 2009-04-24 18:45:14 -07:00
Tom Rodriguez
60e1a19b44 6833573: C2 sparc: assert(c < 64 && (c & 1) == 0,"bad double float register")
Reviewed-by: twisti
2009-04-24 15:08:30 -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
Antonios Printezis
c2578847e2 6829013: G1: set the default value of G1VerifyConcMarkPrintRechable to false
Turn off G1VerifyConcMarkPrintReachable by default to minimize the amount of verbose output we generate by default.

Reviewed-by: jmasa
2009-04-23 16:58:16 -04:00
Vladimir Kozlov
273a47426e 6709742: find_base_for_derived's use of Ideal NULL is unsafe causing crashes during register allocation
Create a mach node corresponding to ideal node ConP #NULL specifically for derived pointers.

Reviewed-by: never
2009-04-22 17:03:18 -07:00
Christian Thalinger
b9f27b5eea Merge 2009-04-22 06:09:24 -07:00
John R Rose
34c1d72421 6655646: dynamic languages need dynamically linked call sites
Invokedynamic instruction (JSR 292 RI)

Reviewed-by: twisti, never
2009-04-21 23:21:04 -07:00
Coleen Phillimore
2e43a0450f 6830069: UseLargePages is broken on Win64
Making VirtualAlloc/VirtualProtect two calls for PAGE_EXECUTE_READWRITE doesn't work for MEM_LARGE_PAGES.

Reviewed-by: xlu, kvn, jcoomes
2009-04-21 16:12:51 -04:00
Christian Thalinger
57d945fd3d 6822110: Add AddressLiteral class on SPARC
The Address class on SPARC currently handles both, addresses and address literals, what makes the Address class more complicated than it has to be.

Reviewed-by: never, kvn
2009-04-21 11:16:30 -07:00
Tom Rodriguez
fd05c28901 Merge 2009-04-20 14:48:03 -07:00
Tom Rodriguez
425fb8197e 6831604: missing null check in guarantee
Reviewed-by: kvn
2009-04-17 12:22:18 -07:00
Tom Rodriguez
617835c850 6741757: minor ctw improvements
Reviewed-by: kvn
2009-04-16 21:25:29 -07:00
Tom Rodriguez
88ac170f53 6828024: verification of fixed interval usage is too weak
Reviewed-by: kvn
2009-04-16 15:50:32 -07:00
Tom Rodriguez
970eb79fc4 6449385: JCK test dup2_x200106m1 fails with Segmentation Fault on x86
Reviewed-by: kvn
2009-04-16 10:40:42 -07:00
Tom Rodriguez
1097f94525 6684007: PrintAssembly plugin not available for linux or windows
Reviewed-by: rasbold, jrose, twisti
2009-04-15 09:53:54 -07:00
Tom Rodriguez
62717f091a Merge 2009-04-14 12:25:54 -07:00