70 Commits

Author SHA1 Message Date
Vladimir Kozlov
c6d82df571 8162496: missing precedence edge for anti_dependence
Fix Implicit Null Check optimization code.

Reviewed-by: roland, aph
2016-08-18 14:31:02 -07:00
Andrew Haley
eded7ae794 8157306: Random infrequent null pointer exceptions in javac
Reviewed-by: kvn
2016-06-23 17:58:59 +00:00
Claes Redestad
ea5a3565b8 8150720: Cleanup code around PrintOptoStatistics
Reviewed-by: kvn, shade, vlivanov
2016-02-29 15:05:45 +01:00
Martin Doerr
ad3414f985 8146612: C2: Precedence edges specification violated
Reviewed-by: kvn
2016-01-08 11:41:04 +01:00
Goetz Lindenmaier
975140c530 8143307: Crash in C2 local code motion
Reviewed-by: kvn
2015-11-19 12:53:33 +01:00
Nils Eliasson
3307d0f163 Merge 2015-11-06 11:34:03 +01:00
Tobias Hartmann
7af927f9c1 8141132: JEP 254: Compact Strings
Adopt a more space-efficient internal representation for strings.

Co-authored-by: Brent Christian <brent.christian@oracle.com>
Co-authored-by: Vivek Deshpande <vivek.r.deshpande@intel.com>
Co-authored-by: Charlie Hunt <charlie.hunt@oracle.com>
Co-authored-by: Vladimir Kozlov <vladimir.kozlov@oracle.com>
Co-authored-by: Roger Riggs <roger.riggs@oracle.com>
Co-authored-by: Xueming Shen <xueming.shen@oracle.com>
Co-authored-by: Aleksey Shipilev <aleksey.shipilev@oracle.com>
Co-authored-by: Sandhya Viswanathan <sandhya.viswanathan@intel.com>
Reviewed-by: alanb, bdelsart, coleenp, iklam, jiangli, jrose, kevinw, naoto, pliden, roland, smarks, twisti
2015-11-03 09:41:03 +01:00
Goetz Lindenmaier
83b3b21342 8139040: Fix initializations before ShouldNotReachHere() etc. and enable -Wuninitialized on linux
Reviewed-by: stuefe, coleenp, roland
2015-10-22 13:07:10 -04:00
Michael Berg
d49d1ea740 8134802: LCM register pressure scheduling
Calculate register pressure in a block to help instructions scheduling.

Reviewed-by: kvn, dlong
2015-09-16 13:16:17 -07:00
Stefan Karlsson
4913ad5d7d 8072911: Remove includes of oop.inline.hpp from .hpp files
Reviewed-by: brutisso, coleenp, jwilhelm, simonis, dholmes
2015-02-13 14:37:35 +01:00
Tobias Hartmann
09aa6561da 8066763: fatal error "assert(false) failed: unexpected yanked node" in postaloc.cpp:139
Check for dead input nodes after replacing compare node with implicit null check.

Reviewed-by: kvn
2014-12-12 09:07:54 +01:00
Vladimir Kozlov
8cd1a874e8 8059780: SPECjvm2008-MPEG performance regressions on x64 platforms
Back-out 8052081 changes made in lcm.cpp.

Reviewed-by: iveresov, roland
2014-11-03 12:02:40 -08:00
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
Goetz Lindenmaier
25f33c005d 8049325: Introduce and clean up umbrella headers for the files in the cpu subdirectories
Introduce and clean up umbrella headers for the files in the cpu subdirectories.

Reviewed-by: lfoltan, coleenp, dholmes
2014-07-04 11:46:01 +02:00
Tobias Hartmann
2a0815a55e 8034812: remove IDX_INIT macro hack in Node class
The IDX_INIT macro used by Node::Node(...) to retrieve the Compile object is removed and replaced by a call to Compile::current(). The Node constructor, new operator and all calls to it are adapted accordingly.

Reviewed-by: kvn, jrose, iveresov, goetz
2014-06-02 08:07:29 +02:00
Rickard Bäckman
0b85ee832e 8027754: Enable loop optimizations for loops with MathExact inside
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
Copyright year updated for files modified during 2013

Reviewed-by: twisti, iveresov
2013-12-24 11:48:39 -08:00
Goetz Lindenmaier
a7c123880e 8028471: PPC64 (part 215): opto: Extend ImplicitNullCheck optimization
Fixed Implicit NULL check optimization for AIX, where the page at address '0' is only write-protected.

Reviewed-by: kvn
2013-11-21 18:29:34 -08:00
Vladimir Kozlov
39b0e57fdd Merge 2013-11-05 17:38:04 -08:00
Rickard Bäckman
441f1d74cf 8024924: Intrinsify java.lang.Math.addExact
Reviewed-by: kvn, twisti
2013-09-27 08:39:19 +02:00
Vladimir Kozlov
1a700c9216 Merge 2013-09-05 11:04:39 -07:00
Niclas Adlertz
547f4dea7b 8024095: Missing brackets in local scheduling code
Added brackets for if-statement

Reviewed-by: kvn, roland
2013-09-02 22:44:57 +02:00
Niclas Adlertz
900acf0c44 8023988: Move local scheduling of nodes to the CFG creation and code motion phase (PhaseCFG)
Moved local scheduling code from class Block to class PhaseCFG

Reviewed-by: kvn, roland
2013-09-01 19:21:05 +02:00
Niclas Adlertz
be8c8aac48 8023691: Create interface for nodes in class Block
Create public methods for accessing the nodes in a block

Reviewed-by: kvn, roland
2013-08-26 12:50:23 +02:00
Niclas Adlertz
a235ecb344 8023003: Cleanup the public interface to PhaseCFG
Public methods that don't need to be public should be private.

Reviewed-by: kvn, twisti
2013-08-16 10:23:55 +02:00
Niclas Adlertz
bfe8385fa9 8022284: Hide internal data structure in PhaseCFG
Hide private node to block mapping using public interface

Reviewed-by: kvn, roland
2013-08-07 17:56:19 +02:00
Goetz Lindenmaier
0522ce7a17 8016586: PPC64 (part 3): basic changes for PPC64
Added #includes needed for ppc64 port. Renamed _MODEL_ppc to _MODEL_ppc_32 and renamed corresponding old _ppc files to _ppc_32.

Reviewed-by: dholmes, kvn
2013-06-20 16:30:44 -07:00
Vladimir Kozlov
d7176bf7f8 8014189: JVM crash with SEGV in ConnectionGraph::record_for_escape_analysis()
Add NULL checks and asserts for Type::make_ptr() returned value.

Reviewed-by: twisti
2013-05-09 17:28:04 -07:00
Aleksey Shipilev
4b638cf955 8009120: Fuzz instruction scheduling in HotSpot compilers
Reviewed-by: kvn, vlivanov
2013-03-05 04:24:50 -08:00
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
Bharadwaj Yadavalli
2d2532e740 7092905: C2: Keep track of the number of dead nodes
Keep an (almost) accurate running count of the reachable (live) flow graph nodes.

Reviewed-by: kvn, twisti, jrose, vlivanov
2012-11-27 17:24:15 -08:00
Roland Westrelin
61eb5a0549 7054512: Compress class pointers after perm gen removal
Support of compress class pointers in the compilers.

Reviewed-by: kvn, twisti
2012-10-09 10:11:38 +02:00
Bharadwaj Yadavalli
d5d2e78faa 7193318: C2: remove number of inputs requirement from Node's new operator
Deleted placement new operator of Node - node(size_t, Compile *, int).

Reviewed-by: kvn, twisti
2012-09-27 09:38:42 -07:00
Vladimir Kozlov
d1191bb4f4 7119644: Increase superword's vector size up to 256 bits
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
Roland Westrelin
f3ce53be67 7116050: C2/ARM: memory stomping error with DivideMcTests
Block::schedule_local() may write beyond end of ready_cnt array

Reviewed-by: never, kvn
2012-01-25 09:31:47 +01:00
Roland Westrelin
9d8e44db59 7077312: Provide a CALL effect for instruct declaration in the ad file
Abstracted way to declare that the MachNode has the effect of a call (kills caller save registers, preserves callee save registers)

Reviewed-by: twisti, never
2011-09-14 09:22:51 +02:00
Vladimir Kozlov
18329266ea 7069452: Cleanup NodeFlags
Remove flags which duplicate information in Node::NodeClasses.

Reviewed-by: never
2011-07-27 17:28:36 -07:00
John Coomes
07d5e13794 7061187: need some includes for arm/ppc
Reviewed-by: dholmes, never, jwilhelm, kvn
2011-07-06 12:03:01 -07:00
Jon Masamitsu
b6e631d446 Merge 2011-04-08 14:19:50 -07:00
Tom Rodriguez
aac4647e6e 7032963: StoreCM shouldn't participate in store elimination
Reviewed-by: kvn
2011-04-05 19:14:03 -07:00
Erik Trimble
c9e484d473 7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
Update the copyright to be 2010 on all changed files in OpenJDK

Reviewed-by: ohair
2011-04-05 14:12:31 -07:00
Roland Westrelin
4171ca786e 7029017: Additional architecture support for c2 compiler
Enables cross building of a c2 VM. Support masking of shift counts when the processor architecture mandates it.

Reviewed-by: kvn, never
2011-03-25 09:35:39 +01:00
Stefan Karlsson
8006fe8f75 6989984: Use standard include model for Hospot
Replaced MakeDeps and the includeDB files with more standardized solutions.

Reviewed-by: coleenp, kvn, kamg
2010-11-23 13:22:55 -08:00
Christian Thalinger
a4b2fe3b1c 6978355: renaming for 6961697
This is the renaming part of 6961697 to keep the actual changes small for review.

Reviewed-by: kvn, never
2010-08-25 05:27:54 -07:00
Vladimir Kozlov
b092cb33e6 6973329: C2 with Zero based COOP produces code with broken anti-dependency on x86
Recompile without subsuming loads if RA try to clone a node with anti_dependence.

Reviewed-by: never
2010-08-11 10:48:20 -07:00
Vladimir Kozlov
5bed80aab9 6973963: SEGV in ciBlock::start_bci() with EA
Added more checks into ResourceObj and growableArray to verify correctness of allocation type.

Reviewed-by: never, coleenp, dholmes
2010-08-03 15:55:03 -07:00
John R Rose
d6a9b93b5a Merge 2010-06-02 22:45:42 -07:00
Vladimir Kozlov
a3005a16fc 6954029: Improve implicit null check generation with compressed oops
Hoist DecodeN instruction above null check

Reviewed-by: never, twisti
2010-06-02 09:49:32 -07:00
Erik Trimble
ba7c173659 6941466: Oracle rebranding changes for Hotspot repositories
Change all the Sun copyrights to Oracle copyright

Reviewed-by: ohair
2010-05-27 19:08:38 -07:00