33 Commits

Author	SHA1	Message	Date
Goetz Lindenmaier	ad601cca0c	8131676: Fix warning 'negative int converted to unsigned' after 8085932 ... Also fix 64-bit constant added in 8076276. Reviewed-by: kvn	2015-07-16 14:18:13 +02:00
Michael Berg	2ef39760e6	8081247: AVX 512 extended support ... Add more support for EVEX encoding Reviewed-by: kvn, neliasso	2015-06-23 12:45:08 -07:00
Michael C Berg	4fca8dbb1f	8076276: Add support for AVX512 ... Reviewed-by: kvn, roland	2015-05-08 11:49:20 -07:00
Vladimir Kempik	4e46878062	8058935: CPU detection gives 0 cores per cpu, 2 threads per core in Amazon EC2 environment ... Reviewed-by: kvn, dsamersoff	2014-12-01 18:22:45 +04:00
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	f813683519	8055069: TSX and RTM should be deprecated more strongly until hardware is corrected ... Require to specify UnlockExperimentalVMOptions flag together with UseRTMLocking flag on un-patched systems where CPUID allows it but is unsupported otherwise. Reviewed-by: iveresov, fzhinkin	2014-08-22 12:03:49 -07:00
Daniel D. Daugherty	a06d36cada	8049717: expose L1_data_cache_line_size for diagnostic/sanity checks ... Add support for VM_Version::L1_data_cache_line_size(). Reviewed-by: dsimms, kvn, dholmes	2014-07-15 07:33:49 -07:00
Vladimir Kozlov	77d38feb95	8038633: crash in VM_Version::get_processor_features() on startup ... Windows need an exception wrapper around getPsrInfo_stub() call in order to properly handle SEGV for YMM registers test. Reviewed-by: iveresov, iignatyev	2014-03-31 13:08:03 -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	d3f1dc78ef	8037226: compiler/7196199/Test7196199.java fails on 32-bit linux with MaxVectorSize > 16 ... Verify YMM registers after signal processing and set limit on vector's size. Reviewed-by: iveresov, twisti	2014-03-14 17:28:58 -07:00
Igor Veresov	768beb9a23	8031321: Support Intel bit manipulation instructions ... Add support for BMI1 instructions Reviewed-by: kvn, roland	2014-03-12 11:24:26 -07:00
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	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
Tom Deneau	6d94ef1ee7	7184394: add intrinsics to use AES instructions ... Use new x86 AES instructions for AESCrypt. Reviewed-by: twisti, kvn, roland	2012-10-24 14:33:22 -07:00
Mikael Vidstedt	769dd50182	7197424: update copyright year to match last edit in jdk8 hotspot repository ... Update copyright year to 2012 for relevant files Reviewed-by: dholmes, coleenp	2012-10-09 10:09:34 -07:00
Paul Hohensee	f33961a1df	7142113: Add Ivy Bridge to the known Intel x86 cpu families ... In vm_version_x86.hpp, add and use CPU_MODEL_IVYBRIDGE_EP, and restrict is_intel_tsc_synced_at_init() to EP models. Reviewed-by: kvn, acorn	2012-02-16 13:50:54 -05:00
Vladimir Kozlov	b93ca70b9b	Merge	2012-01-06 20:09:20 -08:00
Karen Kinnear	c323bcdca8	7125934: Add a fast unordered timestamp capability to Hotspot on x86/x64 ... Add rdtsc detection and inline generation. Reviewed-by: kamg, dholmes	2012-01-01 11:17:59 -05:00
Vladimir Kozlov	b7f5d60a7e	7116452: Add support for AVX instructions ... Added support for AVX extension to the x86 instruction set. Reviewed-by: never	2011-12-14 14:54:38 -08:00
John Coomes	af31d0cf27	Merge	2011-08-19 14:08:18 -07:00
Vladimir Kozlov	90651b2666	7079329: Adjust allocation prefetching for T4 ... On T4 2 BIS instructions should be issued to prefetch 64 bytes Reviewed-by: iveresov, phh, twisti	2011-08-16 16:59:46 -07:00
Vladimir Kozlov	565f8579ac	6990015: Incorrect Icache line size is used for 64 bit x86 ... Correct Icache::line_size for x64 and add verification code into vm_version_x86. Reviewed-by: never, phh	2011-06-28 15:04:39 -07:00
David Katleman	079c89189f	7044486: open jdk repos have files with incorrect copyright headers, which can end up in src bundles ... Reviewed-by: ohair, trims	2011-05-25 13:31:51 -07:00
Tom Deneau	899faa3fec	7035713: 3DNow Prefetch Instruction Support ... The upcoming processors from AMD are the first that support 3dnow prefetch without supporting the 3dnow instruction set. Reviewed-by: kvn	2011-04-11 15:30:31 -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	249b1f6c4f	6987135: Performance regression on Intel platform with 32-bits edition between 6u13 and 6u14 ... Use hardware DIV instruction for long division by constant when it is faster than code with multiply. Reviewed-by: never	2010-11-02 09:00:37 -07:00
Pavel Tisnovsky	af2548723c	6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall ... These are minor changes fixing compile failure when -Wall -Werror flags are used under gcc 4.5. Reviewed-by: twisti, kvn, rasbold	2010-09-09 05:24:11 -07:00
Vladimir Kozlov	7378cf14d9	6968646: JVM crashes with SIGFPE during startup ... Check that cpuid returns valid values for processor topology (not zeros). Reviewed-by: never, twisti	2010-07-14 14:29:14 -07:00
Vladimir Kozlov	4bd0381466	6964774: Adjust optimization flags setting ... Adjust performance flags settings. Reviewed-by: never, phh	2010-06-29 10:34:00 -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
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
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
Christian Thalinger	0723dab28b	6808589: Merge vm_version_x86_{32,64}.{cpp,hpp} ... There is very much duplicated code in vm_version_x86_{32,64}.{cpp,hpp}. Refactoring these would help maintainability. Reviewed-by: kvn, never	2009-02-23 12:02:30 -08:00