Mikael Vidstedt
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769dd50182
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7197424: update copyright year to match last edit in jdk8 hotspot repository
Update copyright year to 2012 for relevant files
Reviewed-by: dholmes, coleenp
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2012-10-09 10:09:34 -07:00 |
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Paul Hohensee
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f33961a1df
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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
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2012-02-16 13:50:54 -05:00 |
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Vladimir Kozlov
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b93ca70b9b
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Merge
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2012-01-06 20:09:20 -08:00 |
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Karen Kinnear
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c323bcdca8
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7125934: Add a fast unordered timestamp capability to Hotspot on x86/x64
Add rdtsc detection and inline generation.
Reviewed-by: kamg, dholmes
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2012-01-01 11:17:59 -05:00 |
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Vladimir Kozlov
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b7f5d60a7e
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7116452: Add support for AVX instructions
Added support for AVX extension to the x86 instruction set.
Reviewed-by: never
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2011-12-14 14:54:38 -08:00 |
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John Coomes
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af31d0cf27
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Merge
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2011-08-19 14:08:18 -07:00 |
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Vladimir Kozlov
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90651b2666
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7079329: Adjust allocation prefetching for T4
On T4 2 BIS instructions should be issued to prefetch 64 bytes
Reviewed-by: iveresov, phh, twisti
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2011-08-16 16:59:46 -07:00 |
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Vladimir Kozlov
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565f8579ac
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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
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2011-06-28 15:04:39 -07:00 |
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David Katleman
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079c89189f
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7044486: open jdk repos have files with incorrect copyright headers, which can end up in src bundles
Reviewed-by: ohair, trims
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2011-05-25 13:31:51 -07:00 |
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Tom Deneau
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899faa3fec
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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
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2011-04-11 15:30:31 -07:00 |
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Stefan Karlsson
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8006fe8f75
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6989984: Use standard include model for Hospot
Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
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2010-11-23 13:22:55 -08:00 |
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Vladimir Kozlov
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249b1f6c4f
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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
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2010-11-02 09:00:37 -07:00 |
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Pavel Tisnovsky
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af2548723c
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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
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2010-09-09 05:24:11 -07:00 |
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Vladimir Kozlov
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7378cf14d9
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6968646: JVM crashes with SIGFPE during startup
Check that cpuid returns valid values for processor topology (not zeros).
Reviewed-by: never, twisti
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2010-07-14 14:29:14 -07:00 |
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Vladimir Kozlov
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4bd0381466
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6964774: Adjust optimization flags setting
Adjust performance flags settings.
Reviewed-by: never, phh
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2010-06-29 10:34:00 -07:00 |
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Erik Trimble
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ba7c173659
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6941466: Oracle rebranding changes for Hotspot repositories
Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
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2010-05-27 19:08:38 -07:00 |
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Christian Thalinger
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6a270f9f19
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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
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2009-05-06 00:27:52 -07:00 |
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Christian Thalinger
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de67e52949
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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
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2009-03-13 11:35:17 -07:00 |
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Christian Thalinger
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0723dab28b
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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
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2009-02-23 12:02:30 -08:00 |
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