Michael Berg
e75f5a5cde
8135028: support for vectorizing double precision sqrt
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Reviewed-by: kvn, twisti
2015-09-09 10:34:17 -07:00
Michael C Berg
4fca8dbb1f
8076276: Add support for AVX512
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Reviewed-by: kvn, roland
2015-05-08 11:49:20 -07:00
Michael C Berg
9e55e44c85
8074981: Integer/FP scalar reduction optimization
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Add scalar reduction optimization to C2 to take advantage of vector instructions in modern x86 CPUs.
Reviewed-by: kvn, twisti
2015-04-01 18:07:50 -07:00
Christian Tornqvist
094674666c
Merge
2015-02-13 05:17:41 -08:00
Paul Sandoz
c002e71565
8068977: Remove unused sun.misc.Unsafe prefetch intrinsic support
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Reviewed-by: kvn, vlivanov
2015-02-10 21:32:05 +01:00
Vladimir Ivanov
7227e9ba53
8063137: Never-taken branches should be pruned when GWT LambdaForms are shared
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Reviewed-by: jrose, kvn
2015-01-29 10:25:59 -08:00
Roland Westrelin
a56ade07c7
7173584: Implement arraycopy as a macro node
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Delay the conversion of arraycopy to stub calls to macro expansion
Reviewed-by: kvn, iveresov
2014-08-11 14:12:51 +02:00
Vladimir Kozlov
97a51c5c2a
8031320: Use Intel RTM instructions for locks
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Use RTM for inflated locks and stack locks.
Reviewed-by: iveresov, twisti, roland, dcubed
2014-03-20 17:49:27 -07:00
Rickard Bäckman
0b85ee832e
8027754: Enable loop optimizations for loops with MathExact inside
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Reviewed-by: kvn, iveresov
2014-01-23 12:08:28 +01:00
Vladimir Kozlov
c3a0e80e0b
Merge
2014-01-28 12:25:34 -08:00
Mikael Vidstedt
a0da47fd66
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
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Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
2013-12-24 11:48:39 -08:00
Goetz Lindenmaier
fe89766184
8028515: PPPC64 (part 113.2): opto: Introduce LoadFence/StoreFence
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Use new nodes for loadFence/storeFence intrinsics in C2.
Reviewed-by: kvn, dholmes
2013-11-26 18:38:19 -08:00
Rickard Bäckman
615376fb9b
8026844: Various Math functions needs intrinsification
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Reviewed-by: kvn, twisti
2013-10-18 10:41:56 +02:00
Rickard Bäckman
441f1d74cf
8024924: Intrinsify java.lang.Math.addExact
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Reviewed-by: kvn, twisti
2013-09-27 08:39:19 +02:00
Vladimir Kozlov
9e0c61f822
6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
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Use SSE4.2 and AVX2 instructions for encodeArray intrinsic.
Reviewed-by: roland
2013-01-22 15:34:16 -08:00
Vladimir Ivanov
6674423523
7199654: Remove LoadUI2LNode
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Removed LoadUI2L node from Ideal nodes, use match rule in .ad files instead.
Reviewed-by: kvn
2012-10-09 12:40:05 -07:00
Roland Westrelin
61eb5a0549
7054512: Compress class pointers after perm gen removal
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Support of compress class pointers in the compilers.
Reviewed-by: kvn, twisti
2012-10-09 10:11:38 +02:00
Vladimir Kozlov
e8332c76e9
7201026: add vector for shift count
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Add generation of vectors for scalar shift count.
Reviewed-by: roland, twisti, dlong
2012-10-02 12:25:13 -07:00
Roland Westrelin
302540691b
7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()
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Use shorter instruction sequences for atomic add and atomic exchange when possible.
Reviewed-by: kvn, jrose
2012-09-20 16:49:17 +02:00
Vladimir Kozlov
e3c3c8527e
6340864: Implement vectorization optimizations in hotspot-server
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Added asm encoding and mach nodes for vector arithmetic instructions on x86.
Reviewed-by: roland
2012-08-20 09:07:21 -07:00
Vladimir Kozlov
d1191bb4f4
7119644: Increase superword's vector size up to 256 bits
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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
Krystal Mok
529b370174
7174218: remove AtomicLongCSImpl intrinsics
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Reviewed-by: kvn, twisti
2012-06-12 14:31:44 -07:00
Roland Westrelin
97439fb4ff
7121140: Allocation paths require explicit memory synchronization operations for RMO systems
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Adds store store barrier after initialization of header and body of objects.
Reviewed-by: never, kvn
2011-12-20 16:56:50 +01:00
Vladimir Kozlov
90651b2666
7079329: Adjust allocation prefetching for T4
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On T4 2 BIS instructions should be issued to prefetch 64 bytes
Reviewed-by: iveresov, phh, twisti
2011-08-16 16:59:46 -07:00
Roland Westrelin
b543a07b9a
7074017: Introduce MemBarAcquireLock/MemBarReleaseLock nodes for monitor enter/exit code paths
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Replace MemBarAcquire/MemBarRelease nodes on the monitor enter/exit code paths with new MemBarAcquireLock/MemBarReleaseLock nodes
Reviewed-by: kvn, twisti
2011-08-02 18:36:40 +02:00
Vladimir Kozlov
1ac79543d0
5091921: Sign flip issues in loop optimizer
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Fix integer overflow problem in the code generated by loop optimizer.
Reviewed-by: never
2011-05-04 13:12:42 -07:00
Erik Trimble
ba7c173659
6941466: Oracle rebranding changes for Hotspot repositories
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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
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Reviewed-by: never, twisti
2010-04-26 11:27:21 -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
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
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
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
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
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
Chuck Rasbold
72313bcf20
6603011: RFE: Optimize long division
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Transform long division by constant into multiply
Reviewed-by: never, kvn
2008-05-07 08:06:46 -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
000ac830a0
6671807: (Escape Analysis) Add new ideal node to represent the state of a scalarized object at a safepoint
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Values of non-static fields of a scalarized object should be saved in debug info to reallocate the object during deoptimization.
Reviewed-by: never
2008-03-13 16:06:34 -07:00
J. Duke
8153779ad3
Initial load
2007-12-01 00:00:00 +00:00