Coleen Phillimore
3e6630c07b
8024927: Nashorn performance regression with CompressedOops
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Allocate compressed class space at end of Java heap. For small heap sizes, without CDS, save some space so compressed classes can have the same favorable compression as oops
Reviewed-by: stefank, hseigel, goetz
2013-10-25 15:19:29 -04:00
Mikael Gerdin
7f3b537807
8014555: G1: Memory ordering problem with Conc refinement and card marking
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Add a StoreLoad barrier in the G1 post-barrier to fix a race with concurrent refinement. Also-reviewed-by: martin.doerr@sap.com
Reviewed-by: iveresov, tschatzl, brutisso, roland, kvn
2013-10-08 17:35:51 +02:00
Erik Helin
30f059b5fc
8015107: NPG: Use consistent naming for metaspace concepts
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Reviewed-by: coleenp, mgerdin, hseigel
2013-08-12 17:37:02 +02:00
Harold Seigel
4d91f4e69d
8003424: Enable Class Data Sharing for CompressedOops
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8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops
8005933: The -Xshare:auto option is ignored for -server
Move klass metaspace above the heap and support CDS with compressed klass ptrs.
Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank
2013-08-15 20:04:10 -04:00
David Chase
9a359984c2
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
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Add intrinsics using new instruction to interpreter, C1, C2, for suitable x86; add test
Reviewed-by: kvn, twisti
2013-07-02 20:42:12 -04:00
Vladimir Kozlov
88f70d8026
8011102: Clear AVX registers after return from JNI call
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Execute vzeroupper instruction after JNI call and on exits in jit compiled code which use 256bit vectors.
Reviewed-by: roland
2013-04-03 11:12:57 -07:00
Roland Westrelin
8f1814d874
8008555: Debugging code in compiled method sometimes leaks memory
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Support for strings that have same life-time as code that uses them.
Reviewed-by: kvn, twisti
2013-03-18 13:19:06 +01:00
Vladimir Kozlov
231bbf39f4
8007708: compiler/6855215 assert(VM_Version::supports_sse4_2())
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Added missing UseSSE42 check. Also added missing avx2 assert for vpermq instruction.
Reviewed-by: roland, twisti
2013-02-08 15:07:17 -08:00
Dean Long
0a2347e0ba
Merge
2013-01-27 01:07:09 -08:00
Joseph Provino
698fba94ef
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
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Rename INCLUDE_ALTERNATE_GCS to INCLUDE_ALL_GCS and replace SERIALGC with INCLUDE_ALL_GCS.
Reviewed-by: coleenp, stefank
2013-01-23 13:02:39 -05:00
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 Kozlov
38c81fb411
8005419: Improve intrinsics code performance on x86 by using AVX2
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Use 256bit vpxor,vptest instructions in String.compareTo() and equals() intrinsics.
Reviewed-by: twisti
2013-01-08 11:30:51 -08:00
Morris Meyer
b3fe91a803
8004537: replace AbstractAssembler emit_long with emit_int32
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Reviewed-by: jrose, kvn, twisti
2013-01-07 14:08:28 -08:00
Vladimir Kozlov
7b9133b99c
8005544: Use 256bit YMM registers in arraycopy stubs on x86
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Use YMM registers in arraycopy and array_fill stubs.
Reviewed-by: roland, twisti
2013-01-03 16:30:47 -08:00
Vladimir Kozlov
cfcd28fd9d
8005522: use fast-string instructions on x86 for zeroing
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Use 'rep stosb' instead of 'rep stosq' when fast-string operations are available.
Reviewed-by: twisti, roland
2013-01-03 15:09:55 -08:00
Morris Meyer
113e9ab39d
8004250: replace AbstractAssembler a_byte/a_long with emit_int8/emit_int32
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Reviewed-by: jrose, kvn, twisti
2012-12-20 18:53:44 -08:00
Vladimir Kozlov
960d969ade
8004835: Improve AES intrinsics on x86
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Enable AES intrinsics on non-AVX cpus, group together aes instructions in crypto stubs.
Reviewed-by: roland, twisti
2012-12-19 15:40:35 -08:00
Christian Thalinger
34733bb83c
8003250: SPARC: move MacroAssembler into separate file
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Reviewed-by: jrose, kvn
2012-12-06 09:57:41 -08:00
Christian Thalinger
2c2c007448
8003240: x86: move MacroAssembler into separate file
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Reviewed-by: kvn
2012-11-30 15:23:16 -08:00
