51 Commits

Author	SHA1	Message	Date
Michael C Berg	a880f3d139	8078563: Restrict reduction optimization ... Reviewed-by: kvn, twisti	2015-04-29 15:34:04 -07:00
Vladimir Kozlov	81bb7521bd	8076523: assert(((ABS(iv_adjustment_in_bytes) % elt_size) == 0)) fails in superword.cpp ... Check that offset % mem_oper_size == 0 when alignment is verified during vectorization. Reviewed-by: iveresov	2015-04-02 17:16:39 -07:00
Michael C Berg	9e55e44c85	8074981: Integer/FP scalar reduction optimization ... 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
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
Tobias Hartmann	70a55eac34	8054033: Remove unused references to Compile* ... Removed unused references to Compile* missed by JDK-8034812. Reviewed-by: kvn, roland	2014-08-05 09:58:52 +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
Vladimir Kozlov	26de6296e0	8041351: Crash in src/share/vm/opto/loopnode.cpp:3215 - assert(!had_error) failed: bad dominance ... Add missing is_mem() check when we collect load nodes in SuperWord::co_locate_pack(). Reviewed-by: iveresov	2014-04-22 17:45:56 -07:00
Morris Meyer	6db303a301	8001532: C2 node files refactoring ... 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
Niclas Adlertz	94a86285a7	8010500: [parfait] Possible null pointer dereference at hotspot/src/share/vm/opto/loopnode.hpp ... Added NULL check for loopnode() in get_pre_loop_end() Reviewed-by: kvn, roland	2014-02-26 07:46:46 +01:00
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
Vladimir Kozlov	656949d014	8004867: VM crashing with assert "share/vm/opto/node.hpp:357 - assert(i < _max) failed: oob" ... 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	fc84b11227	8001635: assert(in_bb(n)) failed: must be ... Added missed check that Load node is in processed loop block. Reviewed-by: twisti	2012-10-26 11:48:04 -07:00
Vladimir Kozlov	a9c2b6a900	8001183: incorrect results of char vectors right shift operaiton ... Do vector right shift operation for small int types only after loads Reviewed-by: jrose, dlong	2012-10-23 13:06:37 -07:00
Vladimir Ivanov	6674423523	7199654: Remove LoadUI2LNode ... Removed LoadUI2L node from Ideal nodes, use match rule in .ad files instead. Reviewed-by: kvn	2012-10-09 12:40:05 -07:00
Vladimir Kozlov	e8332c76e9	7201026: add vector for shift count ... Add generation of vectors for scalar shift count. Reviewed-by: roland, twisti, dlong	2012-10-02 12:25:13 -07:00
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	973fdc81a1	7200264: 7192963 changes disabled shift vectors ... Replaced is_vector_use() call with explicit check for vector shift's count. Reviewed-by: twisti, roland, dlong, vlivanov	2012-09-25 15:48:17 -07:00
Vladimir Kozlov	25f18c20d9	7199010: incorrect vector alignment ... 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	811c047ec1	7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect ... Save whole XMM/YMM registers in safepoint interrupt handler. Reviewed-by: roland, twisti	2012-09-17 19:39:07 -07:00
Vladimir Kozlov	cbfca3259c	7192963: assert(_in[req-1] == this) failed: Must pass arg count to 'new' ... Fixed Pack node generation. Not vectorize shift instructions if count is not the same for all shifts and if count is vector. Reviewed-by: twisti	2012-08-22 11:55:40 -07:00
Vladimir Kozlov	ef4102148a	7192964: assert(false) failed: bad AD file ... Shifts with loop variant counts "a[i]=1<<b[i];" should not be vectorized since hw does not support it. Reviewed-by: twisti	2012-08-21 14:50:02 -07:00
Vladimir Kozlov	e3c3c8527e	6340864: Implement vectorization optimizations in hotspot-server ... 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	b5b10846c2	7177923: SIGBUS on sparc in compiled code for java.util.Calendar.clear() ... 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 ... 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
Vlaidmir Ivanov	dd85e2f356	7173340: C2: code cleanup: use PhaseIterGVN::replace_edge(Node*, int, Node*) where applicable ... Replace frequent C2 optimizer code patterns with new methods calls Reviewed-by: kvn, twisti	2012-06-12 16:23:31 -07:00
Vladimir Kozlov	904f53db88	7160610: Unknown Native Code compilation issue ... When constructing input vector use type of vector's operation which use it since element's sizes should match. Reviewed-by: never, twisti	2012-05-07 12:37:46 -07:00
Vladimir Kozlov	52f678435a	7077439: Possible reference through NULL in loopPredicate.cpp:726 ... Use cl->is_valid_counted_loop() check. Reviewed-by: never	2011-08-10 14:06:57 -07:00
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
Vladimir Kozlov	00eca5e982	7004535: Clone loop predicate during loop unswitch ... Clone loop predicate for clonned loops Reviewed-by: never	2011-04-02 10:54:15 -07:00
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
Vladimir Kozlov	448b83e288	6677629: PhaseIterGVN::subsume_node() should call hash_delete() and add_users_to_worklist() ... Use replace_node() method instead of subsume_node(). Reviewed-by: jrose, never	2010-06-28 14:54:39 -07:00
Tom Rodriguez	154ae789ef	6958485: fix for 6879921 was insufficient ... Reviewed-by: kvn	2010-06-07 14:17:01 -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
Changpeng Fang	e3b5580ecc	6852078: HSX 14/16 in jdk 5.0: api/javax_management api/org_omg jck tests crashes or make tnameserv crash ... Disable SuperWord optimization for unsafe read/write Reviewed-by: kvn, phh	2009-10-30 10:12:52 -07:00
Changpeng Fang	1cf5b7ae11	6879921: CTW failure jdk6_18/hotspot/src/share/vm/utilities/globalDefinitions.cpp:268 ... Filter out non-primitives before deciding whether two ops can be packed Reviewed-by: kvn, never	2009-09-15 11:09:34 -07:00
Changpeng Fang	c492f4cde5	6877254: Server vm crashes with no branches off of store slice" when run with CMS and UseSuperWord(default) ... Design StoreCMNode::Ideal to promote its oopStore input if the input is a MergeMem node Reviewed-by: kvn, never	2009-09-14 09:49:54 -07:00
Changpeng Fang	457be8ad49	6876276: assert(!is_visited,"visit only once") ... Schedule the superword loads based on dependence constraints Reviewed-by: kvn, never	2009-08-31 08:31:45 -07:00
Changpeng Fang	fface2e4ca	6636138: UseSuperWord enabled failure ... Fixed SuperWord scheduling of memory operations. Reviewed-by: kvn, never	2009-03-24 12:19:47 -07:00
Erik Trimble	8d6035660e	Merge	2009-03-12 18:16:36 -07:00
Xiomara Jayasena	2be2e027b0	6814575: Update copyright year ... Update copyright for files that have been modified in 2009, up to 03/09 Reviewed-by: katleman, tbell, ohair	2009-03-09 13:28:46 -07:00
Christian Thalinger	05d1de7727	6810672: Comment typos ... 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
Christian Thalinger	3b8452da93	6796746: rename LoadC (char) opcode class to LoadUS (unsigned short) ... 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	50c4a23cac	6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") ... Escape Analysis fixes. Reviewed-by: never, rasbold	2008-07-28 17:12:52 -07:00
Erik Trimble	2d6f42d18c	Merge	2008-07-11 01:14:44 -07:00
Xiomara Jayasena	c96a95c4b8	6719955: Update copyright year ... Update copyright year for files that have been modified in 2008 Reviewed-by: ohair, tbell	2008-07-02 12:55:16 -07:00
Vladimir Kozlov	a671e7c7b5	6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode ... Remove DecodeNNode::decode() and EncodePNode::encode() methods. Reviewed-by: rasbold, never	2008-06-24 10:43:29 -07:00
Coleen Phillimore	4a831d45f0	6420645: Create a vm that uses compressed oops for up to 32gb heapsizes ... 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
Tom Rodriguez	3093e354db	6646020: assert(in_bb(n),"must be in block") in -Xcomp mode ... Reviewed-by: kvn, rasbold	2008-04-03 21:26:03 -07:00
Tom Rodriguez	a2b4f55757	6663621: JVM crashes while trying to execute api/java_security/Signature/SignatureTests.html#initSign tests ... Alignment expression with secondary induction variables is sometimes wrong Reviewed-by: kvn, rasbold	2008-03-20 10:43:42 -07:00
Vladimir Kozlov	9f1a8ede80	6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM ... T_ADDRESS size is defined as 'int' size (4 bytes) but C2 use it for raw pointers and as memory type for StoreP and LoadP nodes. Reviewed-by: jrose	2008-02-25 15:05:44 -08:00