Vladimir Kozlov
243514d483
6827605: new String intrinsics may prevent EA scalar replacement
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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)
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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
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
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
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
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
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
Chuck Rasbold
eee15b163e
6711100: 64bit fastdebug server vm crashes with assert(_base == Int,"Not an Int")
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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
50c4a23cac
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
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Escape Analysis fixes.
Reviewed-by: never, rasbold
2008-07-28 17:12:52 -07:00
Xiomara Jayasena
c96a95c4b8
6719955: Update copyright year
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Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell
2008-07-02 12:55:16 -07:00
Chuck Rasbold
2e672ac9bf
6695049: (coll) Create an x86 intrinsic for Arrays.equals
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Intrinsify java/util/Arrays.equals(char[], char[])
Reviewed-by: kvn, never
2008-05-29 16:22:09 -07:00
Vladimir Kozlov
76035424de
6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions
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Add LoadNKlass and CMoveN nodes, use CmpN and ConN nodes to generate narrow oops compare instructions.
Reviewed-by: never, rasbold
2008-05-21 13:46:23 -07:00
Vladimir Kozlov
757229db71
6695810: null oop passed to encode_heap_oop_not_null
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Fix several problems in C2 related to Escape Analysis and Compressed Oops.
Reviewed-by: never, jrose
2008-05-21 10:45:07 -07:00
Vladimir Kozlov
df8fc19aac
6686791: Side effect in NumberFormat tests with -server -Xcomp
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Optimization in CmpPNode::sub() removed the valid compare instruction because of false positive answer from detect_dominating_control().
Reviewed-by: jrose, sgoldman
2008-04-16 19:19:48 -07:00
Coleen Phillimore
4a831d45f0
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
2008-04-13 17:43:42 -04:00
Vladimir Kozlov
cdd27962da
6674600: (Escape Analysis) Optimize memory graph for instance's fields
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EA gives opportunite to do more aggressive memory optimizations.
Reviewed-by: never, jrose
2008-03-20 15:11:44 -07:00
Vladimir Kozlov
30dc0edfc8
6673473: (Escape Analysis) Add the instance's field information to PhiNode
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Avoid an infinite generation of instance's field values Phi nodes.
Reviewed-by: never
2008-03-13 16:31:32 -07:00
Vladimir Kozlov
c223fed084
6667580: Optimize CmpP for allocations
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CmpP could be optimized out if it compares new allocated objects.
Reviewed-by: jrose, never, rasbold
2008-02-29 09:57:18 -08:00
Vladimir Kozlov
9f1a8ede80
6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM
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T_ADDRESS size is defined as 'int' size (4 bytes) but C2 use it for raw pointers and as memory type for StoreP and LoadP nodes.
Reviewed-by: jrose
2008-02-25 15:05:44 -08:00
Tom Rodriguez
10c473e425
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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Reviewed-by: kvn, rasbold
2007-12-05 09:01:00 -08:00
J. Duke
8153779ad3
Initial load
2007-12-01 00:00:00 +00:00
