205 Commits

Author	SHA1	Message	Date
Vladimir Kozlov	ab7a29cdcc	Merge	2009-08-06 09:37:26 -07:00
Changpeng Fang	3e7e112ee5	6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation ... Improvement on reexecute implementation to fix the assertion failure Reviewed-by: kvn, never	2009-08-04 21:32:08 -07:00
Changpeng Fang	ae00753bf7	6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot ... Developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens Reviewed-by: kvn, never, jrose, twisti	2009-07-31 17:12:33 -07:00
Vladimir Kozlov	f2ea22a547	6865031: Application gives bad result (throws bad exception) with compressed oops ... Produce narrow type for new Phi from the original Phi type. Reviewed-by: cfang	2009-07-31 12:04:07 -07:00
Erik Trimble	e846382e12	Merge	2009-07-29 16:00:35 -07:00
Xiomara Jayasena	a63ef10004	6862919: Update copyright year ... 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
Christian Thalinger	6dd47535cd	6863155: Server compiler generates incorrect code (x86, long, bitshift, bitmask) ... Code compiled with server compiler generates an incorrect result. Reviewed-by: cfang, never, kvn	2009-07-28 09:02:30 +02:00
Christian Thalinger	714db48492	Merge	2009-07-27 06:15:29 -07:00
Vladimir Kozlov	9387db9948	6851386: assert(b->find_node(def) < j,"uses must follow definitions") ... Add additional check for a tight loop. Reviewed-by: never	2009-07-26 12:59:41 -07:00
Vladimir Kozlov	8dd34cd52f	6860599: nodes limit could be reached during Output phase ... Bailout compilation if nodes limit could be reached during Output phase. Reviewed-by: never, twisti	2009-07-23 14:53:56 -07:00
John R Rose	6515225d49	6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics ... Remove useless lazy evaluation of intrinsics; add LAST_COMPILER_INLINE to help categorize them Reviewed-by: kvn	2009-07-21 16:56:06 -07:00
Christian Thalinger	6b849a12a0	6860920: serialize.cpp shouldn't use objArrayOopDesc::base_offset_in_bytes(T_BYTE) ... Serialize.cpp currently uses objArrayOopDesc::base_offset_in_bytes(T_BYTE), which seems to be wrong. Reviewed-by: coleenp, kvn	2009-07-20 08:20:00 -07:00
Vladimir Kozlov	2e2f60507e	6851282: JIT miscompilation results in null entry in array when using CompressedOops ... Get type for new Phi from non dead path. Reviewed-by: never	2009-07-16 16:29:55 -07:00
Vladimir Kozlov	c3efa899b6	6851742: (EA) allocation elimination doesn't work with UseG1GC ... Fix eliminate_card_mark() to eliminate G1 pre/post barriers. Reviewed-by: never	2009-07-16 14:10:42 -07:00
Hiroshi Yamauchi	a24ea182cc	6860469: remix_address_expressions sets incorrect control causing crash in split_if_with_block_post ... Co-authored-by: Chuck Rasbold <rasbold@google.com> Reviewed-by: never, kvn	2009-07-15 13:37:35 -07:00
Vladimir Kozlov	5a1032d9e6	6857661: 64-bit server VM: assert(is_Initialize(),"invalid node class") ... Move the secondary raw memory barrier to the correct place in generate_arraycopy(). Reviewed-by: never	2009-07-06 15:53:30 -07:00
Changpeng Fang	7a36ade1ec	6855164: SIGSEGV during compilation of method involving loop over CharSequence ... Don not split a block if it contains a FastLockNode with a PhiNode input. Reviewed-by: kvn, never	2009-07-02 16:18:19 -07:00
Vladimir Kozlov	bb726c6f28	6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 ... Put missed reference to allocated array in copyOf() intrinsic into OopMap for the call slow_arraycopy(). Reviewed-by: never	2009-07-01 20:22:18 -07:00
Tom Rodriguez	da11e65fa4	6856025: assert(_base >= OopPtr && _base <= KlassPtr,"Not a Java pointer") ... Reviewed-by: kvn	2009-07-01 12:22:23 -07:00
Tom Rodriguez	3bdd70fe18	6818666: G1: Type lost in g1 pre-barrier ... Reviewed-by: kvn	2009-06-26 13:03:29 -07:00
Christian Thalinger	a9ad90fa87	5057225: Remove useless I2L conversions ... The optimizer should be told to normalize (AndL (ConvI2L x) 0xFF) to (ConvI2L (AndI x 0xFF)), and then the existing matcher rule will work for free. Reviewed-by: kvn	2009-06-26 07:26:10 -07:00
Vladimir Kozlov	8f6070ce0e	6841800: Incorrect boundary values behavior for option -XX:MaxLabelRootDepth=0-6 leads to jvm crash ... MaxLabelRootDepth value less then 10 is invalid. Reviewed-by: never	2009-06-24 12:00:51 -07:00
Chuck Rasbold	2c5f52b511	6837094: False positive for "meet not symmetric" failure ... Have the meet not symmetric check recursively do the interface-vs-oop check on array subtypes. Reviewed-by: jrose	2009-06-23 17:52:29 -07:00
Vladimir Kozlov	7b9d6a79ac	6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14 ... Disable escape analysis when jvmti/debugger is used. Add support for EA ibto SA. Reviewed-by: never	2009-06-09 16:19:10 -07:00
Changpeng Fang	f981546f2d	6837146: Should perform unswitch before maximally unroll in loop transformation ... Move loop unswitch before maximally unroll Reviewed-by: never	2009-05-28 09:37:18 -07:00
Vladimir Kozlov	802f3552f9	6843752: missing code for an anti-dependent Phi in GCM ... Don't place a load below anti-dependent PHI. Reviewed-by: never, twisti	2009-05-27 12:35:51 -07:00
Vladimir Kozlov	fdb3ca8708	6772683: Thread.isInterrupted() fails to return true on multiprocessor PC ... Set the control edge for the field _interrupted load in inline_native_isInterrupted(). Reviewed-by: never	2009-05-21 10:05:36 -07:00
Vladimir Kozlov	e101bdf5df	6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException ... Do not mark an allocation as scalar replaceable if its actual type in unknown statically. Reviewed-by: never	2009-05-11 18:30:13 -07:00
Vladimir Kozlov	6202395cb2	6832293: JIT compiler got wrong result in type checking with -server ... Check for an object array of interface in CmpPNode::sub(). Reviewed-by: never	2009-05-11 17:59:54 -07:00
Vladimir Kozlov	34ee921399	6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits ... Cache Jvmti and DTrace flags used by Compiler. Reviewed-by: never	2009-05-08 10:44:20 -07:00
Christian Thalinger	1576a9be9e	Merge	2009-05-07 00:28:13 -07:00
Christian Thalinger	96139033e6	6837011: SIGSEGV in PhaseIdealLoop in 32bit jvm ... The CR's test crashes with SIGSEGV when running with "-server -Xcomp" using using 32bit jvm. Reviewed-by: kvn, never, rasbold	2009-05-06 12:04:42 -07:00
Christian Thalinger	6a270f9f19	6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}() ... These methods can be instrinsified by using bit scan, bit test, and population count instructions. Reviewed-by: kvn, never	2009-05-06 00:27:52 -07:00
Changpeng Fang	716c78f080	6833879: Assigning positive zero is ignored when old value is negative zero ... Don't perform CMOVE identity optimization for floating point types Reviewed-by: kvn, never	2009-05-05 11:02:10 -07:00
Changpeng Fang	04fdef79fa	6589834: deoptimization problem with -XX:+DeoptimizeALot ... Relocate the stack pointer adjustment to where uncommon_trap is actually inserted for new_array. Reviewed-by: kvn, jrose	2009-04-23 14:04:24 -07:00
Vladimir Kozlov	273a47426e	6709742: find_base_for_derived's use of Ideal NULL is unsafe causing crashes during register allocation ... Create a mach node corresponding to ideal node ConP #NULL specifically for derived pointers. Reviewed-by: never	2009-04-22 17:03:18 -07:00
John R Rose	34c1d72421	6655646: dynamic languages need dynamically linked call sites ... Invokedynamic instruction (JSR 292 RI) Reviewed-by: twisti, never	2009-04-21 23:21:04 -07:00
Vladimir Kozlov	ca3a3504be	6711117: Assertion in 64bit server vm (flat != TypePtr::BOTTOM,"cannot alias-analyze an untyped ptr") ... Delay a memory node transformation if its control or address on IGVN worklist. Reviewed-by: never	2009-04-07 19:04:24 -07:00
Vladimir Kozlov	014e5cdefb	6826960: C2 Sparc: assert(bb->_nodes(_bb_end)->is_Proj(),"skipping projections after expected call") ... Add the check when a Halt node is placed in a separate block. Reviewed-by: twisti	2009-04-07 10:05:04 -07:00
Vladimir Kozlov	090346b4e8	6823453: DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph") ... Use a HaltNode on the fall through path of the AllocateArrayNode to indicate that it is unreachable if the array length is negative. Reviewed-by: never, jrose	2009-04-03 13:33:32 -07:00
Tom Rodriguez	4d34a77121	6823454: Oop-typed loadP yields invalid pointer (0x1) on SPECjbb2005 at OSRed method entry ... Reviewed-by: kvn, jrose	2009-04-01 11:45:01 -07:00
Changpeng Fang	c0d62ad9e6	6761600: Use sse 4.2 in intrinsics ... Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals. Reviewed-by: kvn, never, jrose	2009-03-31 14:07:08 -07:00
Vladimir Kozlov	705188bb7b	6821700: tune VM flags for peak performance ... Tune C2 flags default values for performance. Reviewed-by: never, phh, iveresov, jmasa, ysr	2009-03-30 18:19:31 -07:00
Vladimir Kozlov	68cf08d2c3	6810845: Performance regression in mpegaudio on x64 ... Used the outer loop frequency in frequencies checks in RA. Reviewed-by: never, twisti	2009-03-26 15:04:55 -07:00
Tom Rodriguez	a5396e1107	6820510: assertion failure with unloaded class in subnode.cpp ... Reviewed-by: kvn	2009-03-24 15:09:52 -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
Vladimir Kozlov	41463d1d3a	Merge	2009-03-19 09:13:24 -07:00
John R Rose	b8dbe8d8f6	6813212: factor duplicated assembly code for general subclass check (for 6655638) ... Code in interp_masm, stubGenerator, c1_LIRAssembler, and AD files moved into MacroAssembler. Reviewed-by: kvn	2009-03-13 18:39:22 -07:00
Christian Thalinger	de67e52949	6378821: bitCount() should use POPC on SPARC processors and AMD+10h ... BitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware. Reviewed-by: kvn, never	2009-03-13 11:35:17 -07:00
Erik Trimble	8d6035660e	Merge	2009-03-12 18:16:36 -07:00