Michael Berg
7c7b91845f
8080325: SuperWord loop unrolling analysis
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Determine loop unroll factor based on supported vectors sizes.
Reviewed-by: roland, kvn
2015-06-16 16:10:36 -07:00
Roland Westrelin
a3c77df5f1
8077504: Unsafe load can loose control dependency and cause crash
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Node::depends_only_on_test() should return false for Unsafe loads
Reviewed-by: kvn, adinn
2015-05-21 13:54:07 +02:00
Tobias Hartmann
43a5abc876
8078497: C2's superword optimization causes unaligned memory accesses
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Prevent vectorization of memory operations with different invariant offsets if unaligned memory accesses are not allowed.
Reviewed-by: kvn
2015-05-08 12:19:17 +02:00
Jan Civlin
c7d33de202
8076284: Improve vectorization of parallel streams
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Improve vectorization of java/util/stream/Streams$RangeIntSpliterator::forEachRemaining() method and enable loop vectorization in a given method on demand.
Reviewed-by: kvn
2015-05-05 12:33:57 -07:00
Michael C Berg
a880f3d139
8078563: Restrict reduction optimization
...
Reviewed-by: kvn, twisti
2015-04-29 15:34:04 -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
Morris Meyer
6db303a301
8001532: C2 node files refactoring
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Split C2 node files into cast, convert, countbits, intrinsic, move, narrowptr and opaquenode classes
Reviewed-by: kvn, morris
2014-04-01 09:05:20 -07:00
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
Vladimir Kozlov
656949d014
8004867: VM crashing with assert "share/vm/opto/node.hpp:357 - assert(i < _max) failed: oob"
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Added few checks and early bailout from Superword optimization to avoid such cases in a future.
Reviewed-by: roland, twisti
2013-02-18 16:47:15 -08:00
Vladimir Kozlov
25f18c20d9
7199010: incorrect vector alignment
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Fixed vectors alignment when several arrays are accessed in one loop.
Reviewed-by: roland, twisti
2012-09-19 16:50:26 -07:00
Vladimir Kozlov
b5b10846c2
7177923: SIGBUS on sparc in compiled code for java.util.Calendar.clear()
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Disable vectorization of a memory access with more elements per vector than one which is used for alignment on sparc
Reviewed-by: twisti
2012-06-19 15:12:56 -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
Vladimir Kozlov
18329266ea
7069452: Cleanup NodeFlags
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Remove flags which duplicate information in Node::NodeClasses.
Reviewed-by: never
2011-07-27 17:28:36 -07:00
Stefan Karlsson
8006fe8f75
6989984: Use standard include model for Hospot
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Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
2010-11-23 13:22:55 -08:00
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
Xiomara Jayasena
a63ef10004
6862919: Update copyright year
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Update copyright for files that have been modified in 2009, up to 07/09
Reviewed-by: tbell, ohair
2009-07-28 12:12:40 -07:00
Changpeng Fang
fface2e4ca
6636138: UseSuperWord enabled failure
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Fixed SuperWord scheduling of memory operations.
Reviewed-by: kvn, never
2009-03-24 12:19:47 -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
J. Duke
8153779ad3
Initial load
2007-12-01 00:00:00 +00:00
