Vladimir Kozlov
9d4cd45834
Merge
2009-07-01 15:06:54 -07:00
Christian Thalinger
a9ad90fa87
5057225: Remove useless I2L conversions
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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
Jon Masamitsu
46dcdf10e6
Merge
2009-06-10 14:57:21 -07:00
Tom Rodriguez
0f4f530213
6849574: VM crash using NonBlockingHashMap (high_scale_lib)
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Reviewed-by: kvn
2009-06-10 12:19:48 -07:00
Changpeng Fang
0429abd38a
6848466: frame::frame_size() assertion failure with -XX:+DebugDeoptimization
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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
Christian Thalinger
8a262ce04b
6814842: Load shortening optimizations
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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
8c764e214c
6484957: G1: parallel concurrent refinement
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6826318: G1: remove traversal-based refinement code
Removed traversal-based refinement code as it's no longer used. Made the concurrent refinement (queue-based) parallel.
Reviewed-by: tonyp
2009-05-11 16:30:56 -07:00
Vladimir Kozlov
34ee921399
6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
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Cache Jvmti and DTrace flags used by Compiler.
Reviewed-by: never
2009-05-08 10:44:20 -07:00
Christian Thalinger
6a270f9f19
6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}()
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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
Tom Rodriguez
60e1a19b44
6833573: C2 sparc: assert(c < 64 && (c & 1) == 0,"bad double float register")
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Reviewed-by: twisti
2009-04-24 15:08:30 -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
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Invokedynamic instruction (JSR 292 RI)
Reviewed-by: twisti, never
2009-04-21 23:21:04 -07:00
Christian Thalinger
57d945fd3d
6822110: Add AddressLiteral class on SPARC
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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
John R Rose
ce0c084720
6655638: dynamic languages need method handles
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Initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.)
Reviewed-by: kvn, twisti, never
2009-04-08 10:56:49 -07:00
John R Rose
318da3f68c
6827505: sizing logic for vtable and itable stubs needs self-check
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Asserts and comments to help maintain the correct sizing of certain stubs
Reviewed-by: kvn
2009-04-08 00:12:59 -07:00
Tom Rodriguez
e36afee3bd
Merge
2009-04-02 10:49:41 -07:00
Andrey Petrusenko
a8f9284064
Merge
2009-04-02 05:22:02 -07:00
Changpeng Fang
c0d62ad9e6
6761600: Use sse 4.2 in intrinsics
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Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.
Reviewed-by: kvn, never, jrose
2009-03-31 14:07:08 -07:00
Vladimir Kozlov
705188bb7b
6821700: tune VM flags for peak performance
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Tune C2 flags default values for performance.
Reviewed-by: never, phh, iveresov, jmasa, ysr
2009-03-30 18:19:31 -07:00
Tom Rodriguez
134debb0ba
6822204: volatile fences should prefer lock:addl to actual mfence instructions
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Reviewed-by: kvn, phh
2009-03-26 14:31:45 -07:00
Andrey Petrusenko
cf2ae8d98d
6543938: G1: remove the concept of popularity
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Reviewed-by: iveresov, tonyp
2009-03-25 13:10:54 -07:00
John R Rose
cfb08c72ba
6814659: separable cleanups and subroutines for 6655638
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Preparatory but separable changes for method handles
Reviewed-by: kvn, never
2009-03-20 23:19:36 -07:00
Vladimir Kozlov
41463d1d3a
Merge
2009-03-19 09:13:24 -07:00
John R Rose
b8dbe8d8f6
6813212: factor duplicated assembly code for general subclass check (for 6655638)
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Code in interp_masm, stubGenerator, c1_LIRAssembler, and AD files moved into MacroAssembler.
Reviewed-by: kvn
2009-03-13 18:39:22 -07:00
Christian Thalinger
de67e52949
6378821: bitCount() should use POPC on SPARC processors and AMD+10h
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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
Vladimir Kozlov
69f9ddee90
6791178: Specialize for zero as the compressed oop vm heap base
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Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp
2009-03-12 10:37:46 -07:00
Christian Thalinger
66cecec230
6812587: Use auxv to determine SPARC hardware features on Solaris
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A similar function to getisax(2) should be used to determine all possible instruction set extensions.
Reviewed-by: never, kvn
2009-03-11 14:16:13 -07:00
Vladimir Kozlov
7a871160ec
Merge
2009-03-10 08:52:16 -07:00
Xiomara Jayasena
2be2e027b0
6814575: Update copyright year
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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
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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
John R Rose
26d192003f
6812831: factor duplicated assembly code for megamorphic invokeinterface (for 6655638)
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Code in vtableStubs and templateTable moved into MacroAssembler.
Reviewed-by: kvn
2009-03-06 21:36:50 -08:00
Karen Kinnear
a23cbf5b96
Merge
2009-03-05 22:07:29 -05:00
John R Rose
07321dec65
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
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Minor assembler enhancements preparing for method handles
Reviewed-by: kvn
2009-03-04 09:58:39 -08:00
Daniel D. Daugherty
8aa430beb0
Merge
2009-03-02 14:43:36 -07:00
Daniel D. Daugherty
da3f81559f
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
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Remove incorrect optimization in klassItable::adjust_method_entries(). Add RedefineClasses() tracing support for obsolete method entry.
Reviewed-by: acorn, swamyv
2009-03-02 14:03:03 -07:00
Christian Thalinger
05d1de7727
6810672: Comment typos
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I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never
2009-02-27 13:27:09 -08:00
Vladimir Kozlov
681eb89b31
Merge
2009-02-17 14:30:24 -08:00
Christian Thalinger
3b8452da93
6796746: rename LoadC (char) opcode class to LoadUS (unsigned short)
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Renaming LoadC to LoadUS would round up the planned introduction of LoadUB and LoadUI.
Reviewed-by: phh, kvn
2009-01-26 16:22:12 +01:00
Vladimir Kozlov
1ff1bdc3e6
6790182: matcher.cpp:1375: assert(false,"bad AD file")
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Add a match rule for regD_low in regD definition.
Reviewed-by: never
2009-01-07 11:23:28 -08:00
Xiaobin Lu
f05b009ce8
6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
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Fixed the wrong cast between types since more restrictions are imposed by gcc 4.3.2
Reviewed-by: jcoomes, acorn, phh, never
2008-12-24 19:13:53 -08:00
Coleen Phillimore
f58e193de0
6474243: suspicious jvmti code that uses oop unsafely across GC point
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Oop stored in unsafely in Lscratch noticed by visual inspection will not be updated by GC.
Reviewed-by: kamg, never, kvn
2008-11-24 14:45:47 -05:00
Keith McGuigan
8db365aa80
Merge
2008-11-12 11:23:13 -05:00
Vladimir Kozlov
7aae40a95f
6462850: generate biased locking code in C2 ideal graph
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Inline biased locking code in C2 ideal graph during macro nodes expansion
Reviewed-by: never
2008-11-07 09:29:38 -08:00
Coleen Phillimore
0cecb67ae7
6760773: UseCompressedOops is broken with UseParNewGC
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Sparc code for gen_subtype_check was doing an ld for a compressed oop with the sign bit set so not comparing, leading to a ClassCastException.
Reviewed-by: phh, never, acorn, kvn, xlu
2008-11-07 11:03:32 -05:00
Tom Rodriguez
429a95440a
6754519: don't emit flag fixup for NaN when condition being tested doesn't need it
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Reviewed-by: kvn, rasbold
2008-10-28 09:31:30 -07:00
Andrey Petrusenko
b6aabd98fc
Merge
2008-09-17 16:49:18 +04:00
Tom Rodriguez
26c780da72
5108146: Merge i486 and amd64 cpu directories
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6459804: Want client (c1) compiler for x86_64 (amd64) for faster start-up
Reviewed-by: kvn
2008-08-27 00:21:55 -07:00
Antonios Printezis
615777b6da
Merge
2008-08-21 23:36:31 -04:00
Erik Trimble
2d6f42d18c
Merge
2008-07-11 01:14:44 -07:00
