Commit graph

32 commits

Author SHA1 Message Date
Jesper Wilhelmsson
c72d5c48e2 Merge 2014-11-13 12:29:09 +01:00
Daniel D. Daugherty
d7ec650456 8062851: cleanup ObjectMonitor offset adjustments
JEP-143/JDK-8046133 - cleanup computation of ObjectMonitor field pointers

Reviewed-by: dholmes, redestad, coleenp
2014-11-06 13:05:14 -08:00
Bengt Rutisson
4601eb634a 8061308: Remove iCMS
Reviewed-by: mgerdin, jmasa
2014-10-31 09:10:51 +01:00
Vladimir Kozlov
b9e949183d 8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
Add new C2 intrinsic for BigInteger::multiplyToLen() on x86 in 64-bit VM.

Reviewed-by: roland
2014-09-02 12:48:45 -07:00
Vladimir Kozlov
7764490363 8052081: Optimize generated by C2 code for Intel's Atom processor
Allow to execute vectorization and crc32 optimization on Atom. Enable UseFPUForSpilling by default on x86.

Reviewed-by: roland
2014-08-05 15:02:10 -07:00
David Chase
305ec3bd3f 8037816: Fix for 8036122 breaks build with Xcode5/clang
Repaired or selectively disabled offending formats; future-proofed with additional checking

Reviewed-by: kvn, jrose, stefank
2014-05-09 16:50:54 -04:00
Niclas Adlertz
922879d58e 8029302: Performance regression in Math.pow intrinsic
Added special case for x^y where y == 2

Reviewed-by: kvn, roland
2014-04-25 12:48:34 +02:00
Roland Westrelin
f5adc57f94 8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
Make compiled code bang the stack by the worst case size of the interpreter frame at deoptimization points.

Reviewed-by: twisti, kvn
2014-04-01 09:36:49 +02:00
Vladimir Kozlov
4841e826dd 8038939: Some options related to RTM locking optimization works inconsistently
Switch UseRTMXendForLockBusy flag ON by default and change code to retry RTM locking on lock busy condition by default.

Reviewed-by: roland
2014-04-09 11:18:02 -07:00
Vladimir Kozlov
97a51c5c2a 8031320: Use Intel RTM instructions for locks
Use RTM for inflated locks and stack locks.

Reviewed-by: iveresov, twisti, roland, dcubed
2014-03-20 17:49:27 -07:00
Vladimir Kozlov
e2fecea88e 8033805: Move Fast_Lock/Fast_Unlock code from .ad files to macroassembler
Consolidated C2 x86 locking code in one place in macroAssembler_x86.cpp.

Reviewed-by: roland
2014-02-24 15:12:26 -08:00
Albert Noll
234b4044ba 8028109: compiler/codecache/CheckReservedInitialCodeCacheSizeArgOrder.java crashes in RT_Baseline
Use non-relocatable code to load byte_map_base

Reviewed-by: kvn, roland
2013-12-04 09:31:17 +01:00
Mikael Vidstedt
e80dce6a4d 8026775: nsk/jvmti/RedefineClasses/StressRedefine crashes due to EXCEPTION_ACCESS_VIOLATION
Uncommon trap blob did not bang all the stack shadow pages

Reviewed-by: kvn, twisti, iveresov, jrose
2013-11-06 06:51:24 -08:00
Coleen Phillimore
3e6630c07b 8024927: Nashorn performance regression with CompressedOops
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
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
Reviewed-by: coleenp, mgerdin, hseigel
2013-08-12 17:37:02 +02:00
Harold Seigel
4d91f4e69d 8003424: Enable Class Data Sharing for CompressedOops
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
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
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
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())
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
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
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
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
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
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
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
Reviewed-by: jrose, kvn, twisti
2012-12-20 18:53:44 -08:00
Vladimir Kozlov
960d969ade 8004835: Improve AES intrinsics on x86
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
Reviewed-by: jrose, kvn
2012-12-06 09:57:41 -08:00
Christian Thalinger
2c2c007448 8003240: x86: move MacroAssembler into separate file
Reviewed-by: kvn
2012-11-30 15:23:16 -08:00