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404 Commits

Author SHA1 Message Date
John R Rose
01c5c9a34b Merge 2010-04-08 17:45:20 -07:00
Christian Thalinger
4d0664b427 6941529: SharedRuntime::raw_exception_handler_for_return_address must reset thread MethodHandle flag 
During testing a bug was hit when an exception returned to the interpreter and the SP was wrong.

Reviewed-by: kvn, never
 2010-04-08 10:55:40 +02:00
Vladimir Kozlov
f6934fd3b7 6940726: Use BIS instruction for allocation prefetch on Sparc 
Use BIS instruction for allocation prefetch on Sparc

Reviewed-by: twisti
 2010-04-07 12:39:27 -07:00
Vladimir Kozlov
5f8098a402 6940701: Don't align loops in stubs for Niagara sparc 
Don't align loops in stubs for Niagara sparc since NOPs are expensive.

Reviewed-by: twisti, never
 2010-04-07 09:37:47 -07:00
Abhijit Saha
0610f6846b Merge 2010-04-06 22:06:57 -07:00
Vladimir Kozlov
d72f8abedf 6937111: Restore optimization for Phi of AddP (6552204) 
Restored the original code which was removed by the fix for 6614100.

Reviewed-by: never
 2010-04-05 10:17:15 -07:00
Abhijit Saha
845f11dd17 Merge 2010-03-24 17:16:33 -07:00
Tom Rodriguez
67c094c4c7 6926979: should simplify catch_inline_exception 
Reviewed-by: twisti
 2010-03-18 14:31:41 -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
Christian Thalinger
ffec4c00c4 6919934: JSR 292 needs to support x86 C1 
This implements JSR 292 support for C1 x86.

Reviewed-by: never, jrose, kvn
 2010-03-09 20:16:19 +01:00
Tom Rodriguez
e904069b51 6930398: fix for return address locals in OSR entries uses wrong test 
Reviewed-by: kvn
 2010-03-01 12:12:35 -08:00
Vladimir Kozlov
667e7ff0c0 6930116: loop predication code does not handle If nodes with only one projection 
Add check for iff->outcnt() < 2.

Reviewed-by: never
 2010-02-25 22:58:43 -08:00
Vladimir Kozlov
8554996b9b 6930035: C2 type system incorrectly handles case j.l.Object->meet(constant AryPtr) 
Add missing code.

Reviewed-by: never
 2010-02-25 15:55:47 -08:00
Tom Rodriguez
0ab4fb9e37 6915557: assert(_gvn.type(l)->higher_equal(type),"must constrain OSR typestate") with debug build 
Reviewed-by: kvn
 2010-02-25 11:38:50 -08:00
Tom Rodriguez
fbd5ca617d 6927049: assert(is_Loop(),"invalid node class") 
Reviewed-by: kvn
 2010-02-19 13:06:11 -08:00
Vladimir Kozlov
fa2d360cd5 6910664: C2: java/util/Arrays/Sorting.java fails with DeoptimizeALot flag 
Matcher::float_in_double should be true only when FPU is used for floats.

Reviewed-by: never, twisti
 2010-02-19 10:04:16 -08:00
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
Christian Thalinger
0c605ed991 6926782: CodeBuffer size too small after 6921352 
After 6921352 the CodeBuffer size was too small.

Reviewed-by: kvn, never
 2010-02-18 11:35:41 +01:00
Tom Rodriguez
51fc36cc9a 6877221: Endless deoptimizations in OSR nmethod 
Reviewed-by: kvn
 2010-02-16 20:07:48 -08:00
Vladimir Kozlov
9110d86267 Merge 2010-02-12 15:27:36 -08:00
Vladimir Kozlov
1a1e145498 6924097: assert((_type == Type::MEMORY) == (_adr_type != 0),"adr_type for memory phis only") 
Use PhiNode::make_blank(r, n) method to construct the phi.

Reviewed-by: never
 2010-02-09 10:21:06 -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
Vladimir Kozlov
2fd8d35905 6923002: assert(false,"this call site should not be polymorphic") 
Clear the total count when a receiver information is cleared.

Reviewed-by: never, jrose
 2010-02-07 12:15:06 -08:00
Tom Rodriguez
c1be36be1b 6920293: OptimizeStringConcat causing core dumps 
Reviewed-by: kvn, twisti
 2010-02-05 11:07:40 -08:00
Andrei Pangin
134e70e53b Merge 2010-02-04 15:50:59 -08:00
Tom Rodriguez
22ce62f2d1 6921992: failure in verify scheduling after 6792161 
Reviewed-by: kvn
 2010-02-04 11:16:23 -08:00
Vladimir Kozlov
0c27c5537e 6614597: Performance variability in jvm2008 xml.validation 
Fix incorrect marking of methods as not compilable.

Reviewed-by: never
 2010-02-01 16:49:49 -08:00
Tom Deneau
f23b68b367 6902182: 4/4 Starting with jdwp agent should not incur performance penalty 
Rename can_post_exceptions support to can_post_on_exceptions. Add support for should_post_on_exceptions flag to permit per JavaThread optimizations.

Reviewed-by: never, kvn, dcubed
 2010-02-01 17:35:05 -07:00
Christian Thalinger
918c7a2e33 6921352: JSR 292 needs its own deopt handler 
We need to introduce a new MH deopt handler so we can easily determine if the deopt happened at a MH call site or not.

Reviewed-by: never, jrose
 2010-02-01 19:29:46 +01:00
Tom Rodriguez
8cc63249e9 6916644: C2 compiler crash on x86 
Reviewed-by: kvn, twisti
 2010-01-29 22:51:41 -08:00
Eric Caspole
a57d68e35b 4360113: Evict nmethods when code cache gets full 
Speculatively unload the oldest nmethods when code cache gets full.

Reviewed-by: never, kvn
 2010-01-29 09:27:22 -08:00
Christian Thalinger
9aa675b7e6 6921339: backout 6917766 
Reviewed-by: mr
 2010-01-29 08:33:24 -08:00
Christian Thalinger
fbc43afae6 6917766: JSR 292 needs its own deopt handler 
We need to introduce a new MH deopt handler so we can easily determine if the deopt happened at a MH call site or not.

Reviewed-by: never, jrose
 2010-01-29 12:13:05 +01:00
Tom Rodriguez
07c442542c 6792161: assert("No dead instructions after post-alloc") 
Reviewed-by: kvn
 2010-01-28 20:41:37 -08:00
Tom Rodriguez
0b2600abcd 6920346: G1: "must avoid base_memory and AliasIdxTop" 
Reviewed-by: kvn
 2010-01-28 16:28:28 -08:00
Vladimir Kozlov
0ebcf0d492 6894807: No ClassCastException for HashAttributeSet constructors if run with -Xcomp 
Return interface klass type if it is exact.

Reviewed-by: never
 2010-01-21 10:07:59 -08:00
Igor Veresov
ae60c05fee Merge 2010-01-20 12:54:25 -08:00
Y. Srinivas Ramakrishna
d327b24c06 Merge 2010-01-16 23:51:50 -08:00
Tom Rodriguez
72d0f638c7 6849984: Value methods for platform dependent math functions constant fold incorrectly 
Reviewed-by: kvn, twisti
 2010-01-15 11:53:33 -08:00
Y. Srinivas Ramakrishna
331512606a 6896647: card marks can be deferred too long 
Deferred card marks are now flushed during the gc prologue. Parallel[Scavege,OldGC] and SerialGC no longer defer card marks generated by COMPILER2 as a result of ReduceInitialCardMarks. For these cases, introduced a diagnostic option to defer the card marks, only for the purposes of testing and diagnostics. CMS and G1 continue to defer card marks. Potential performance concern related to single-threaded flushing of deferred card marks in the gc prologue will be addressed in the future.

Reviewed-by: never, johnc
 2010-01-13 15:26:39 -08:00
Changpeng Fang
815db4fcba 6894779: Loop Predication for Loop Optimizer in C2 
Loop predication implementation

Reviewed-by: never, kvn
 2010-01-12 14:37:35 -08:00
John R Rose
48bd193a36 Merge 2010-01-08 18:27:20 -08:00
John R Rose
6fbdf208fc 6912063: inlining parameters need to be adjusted for some uses of the JVM 
Put all inline-related switches into product mode, to allow tuning by dynamic language implementors.

Reviewed-by: twisti, kvn
 2010-01-08 13:58:49 -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
Kevin Brown
7548b8eed5 6915110: IfNode::up_one_dom moves beyond RootNode bug in src/share/vm/opto/ifnode.cpp 
Check RootNode before check Loop in IfNode::up_one_dom().

Reviewed-by: never
 2010-01-08 09:42:31 -08:00
Christian Thalinger
e5fb2ad1c4 6914206: change way of permission checking for generated MethodHandle adapters 
Put generated MH adapter in InvokeDynamic/MethodHandle classes to be able to indentify them easily in the compiler.

Reviewed-by: kvn, never, jrose
 2010-01-08 11:09:46 +01:00
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
Tom Rodriguez
98449cf2c2 6914300: ciEnv should export all well known classes 
Reviewed-by: kvn, twisti
 2010-01-06 14:22:39 -08:00
Christian Thalinger
47f2433a58 6893268: additional dynamic language related optimizations in C2 
C2 needs some additional optimizations to be able to handle MethodHandle invokes and invokedynamic instructions at the best performance.

Reviewed-by: kvn, never
 2010-01-05 15:21:25 +01:00