Changes in this update:

commit a7f18dbb541a30abad76df1e1893f168ca8e4ae8
Merge: a2c5a7e16c 9d43256fd6
Author: Christian Wimmer <christian.wimmer@oracle.com>
Date: Wed Jul 5 11:41:12 2017 -0700

    [GR-4877] Improve null pointer methods in Word type.

commit 9d43256fd6e65b6d6262938b7fcd43a7daeebc42
Author: Christian Wimmer <christian.wimmer@oracle.com>
Date: Wed Jul 5 10:40:00 2017 -0700

    Improve null pointer methods in Word type

commit 96bb326b5a49fdc60606288122a72a0b7c5d7a25
Merge: 1bdae06351 aade8be132
Author: Tom Rodriguez <tom.rodriguez@oracle.com>
Date: Wed Jul 5 09:59:39 2017 -0700

    Merge branch 'master' of graal into prefer_scaled

commit c0b36415f2d36ac2b4216e3b4983de722321dc1e
Merge: 8e411bd7ae 595840923c
Author: Doug Simon <doug.simon@oracle.com>
Date: Tue Jul 4 06:25:35 2017 -0700

    [GR-4827] Validate special case invocations.

commit 1bdae06351906ab7fbb3f6648f2847fe88df1468
Author: Andrew Dinn <adinn@redhat.com>
Date: Fri Jun 23 15:02:32 2017 +0100

    use scaled addressing in preference to unscaled where possible

commit 595840923cb7817158fa83d8caba5da777c60e29
Author: Doug Simon <doug.simon@oracle.com>
Date: Sat Jul 1 00:19:57 2017 +0200

    validate special case invocations

commit 9e458597a6dfca10a227d1829f301cb9e98f5923
Author: Codrut Stancu <codrut.stancu@oracle.com>
Date: Mon Jul 3 21:00:02 2017 -0700

    [GR-4398] Move virtualizeArrayCopy to GraphUtil.

commit 68bb90329a45726a48a4e0b088a10a6fd7ed88f9
Author: Doug Simon <doug.simon@oracle.com>
Date: Mon Jul 3 21:17:25 2017 +0200

    update required jdk9 EA build to 176 and support all version identifiers >= 9 GA

commit ed1420975b42e3a567894ac015219ef5e1c73b13
Merge: 2694f32a22 3d34caedce
Author: Doug Simon <doug.simon@oracle.com>
Date: Mon Jul 3 11:27:14 2017 -0700

    [GR-4843] Implement prefetch for AArch64.

commit 4acef022de8b95456e82fe5f30257f8064cac2f6
Merge: 85a1174f5e 53e4f0f1cb
Author: Doug Simon <doug.simon@oracle.com>
Date: Mon Jul 3 10:21:00 2017 -0700

    [GR-4840] NPE thrown when -J-Dgraal.Dump=:3.

commit 85a1174f5e7de1e6d958e4a8bc0942e8ff4be74c
Merge: b5a63bbffb 03185c6940
Author: Doug Simon <doug.simon@oracle.com>
Date: Mon Jul 3 09:01:26 2017 -0700

    [GR-1916] Removed reflective access to HotSpotResolvedObjectType.getFingerprint().

commit 3d34caedce5f3ae16762eb4f0570b7fc37b2383c
Author: Doug Simon <doug.simon@oracle.com>
Date: Mon Jul 3 17:21:25 2017 +0200

    fixed Eclipse warnings

commit 47050aecc6e5db8b93db15daacd87b3d6698758d
Author: Doug Simon <doug.simon@oracle.com>
Date: Mon Jul 3 17:10:44 2017 +0200

    improving handling of null graph when dumping

commit 93e8b49b7e4322cc0a6d54bec6c7f5532623e7a1
Author: Josef Eisl <josef.eisl@jku.at>
Date: Mon Jul 3 16:40:38 2017 +0200

    [fix] TraceRA[Policies]: fix type in option description

commit a6064f316ebf1daec8f4094a7673b7f60ae912ab
Merge: 2ab91f8715 7dacc3b5de
Author: Doug Simon <doug.simon@oracle.com>
Date: Mon Jul 3 16:03:08 2017 +0200

    Merge.

commit 7dacc3b5de837658802a2dcbaa7450475ec6d2ba
Author: Andrew Dinn <adinn@redhat.com>
Date: Mon Jul 3 14:03:30 2017 +0100

    support JDK9 version in format 9+nnn

commit 5165414f4b71ec1dec34101af75ba9c1ba50bfe1
Author: Josef Eisl <josef.eisl@jku.at>
Date: Sat Jun 17 20:23:48 2017 +0200

    [feature] TraceRA[Policies]: add LoopRatio, LoopBudget and LoopMaxFreq policies

commit ce8ea8699388fcb2939e7341a4cc1801ee37d3ce
Author: Josef Eisl <josef.eisl@jku.at>
Date: Sat Jun 17 18:49:23 2017 +0200

    [feature] TraceRA[Policies]: add BottomUpDelegatingLoopStrategy

commit 95d2f3191bd532db303ecc3902e2ae2e360895b9
Author: Josef Eisl <josef.eisl@jku.at>
Date: Sat Jun 17 12:13:01 2017 +0200

    [fix] TraceRA[Policies]: use simpler and more intuitive Budget policy

commit b047cd542b9697f4ac872585970fb10617e19fde
Author: Josef Eisl <josef.eisl@jku.at>
Date: Fri May 19 17:10:30 2017 +0200

    [fix] TraceRA: access options for Policies only once during construction

commit 229a18ae148469e1e54d1a977c2c70fe69d39fea
Author: Josef Eisl <josef.eisl@jku.at>
Date: Fri May 19 16:57:11 2017 +0200

    [feature] TraceRA: add NumVariables strategy

commit d0afd4f28c386399296af4cb442320e372f804bd
Author: Josef Eisl <josef.eisl@jku.at>
Date: Fri May 19 15:31:29 2017 +0200

    [feature] TraceRA: add AlmostTrivial allocation policy

commit 7ae860c7dbff29de970364a521d9a3e05c2b04df
Author: Josef Eisl <josef.eisl@jku.at>
Date: Mon Apr 10 12:15:42 2017 +0200

    TraceRA: add BottomUpRatioStrategy, ProbabilityThreshold, SumProbBudget policies

commit 2534018dc0d5bb60aa8808e732b4cae8ac31953f
Author: Josef Eisl <josef.eisl@jku.at>
Date: Wed Jan 25 10:45:11 2017 +0100

    [feature] use TraceRA in economy configuration (if enabled via command line)

commit 3f394d2cbc6e2458ca77d7ae4cbbf60a464aae24
Author: Berg, Michael C <michael.c.berg@intel.com>
Date: Thu Jun 22 16:05:50 2017 -0700

    Partial unrolling

commit 03185c6940f2c76af070c5e9467d38a2c41bf532
Author: Doug Simon <doug.simon@oracle.com>
Date: Sun Jul 2 20:48:47 2017 +0200

    removed reflective access to HotSpotResolvedObjectType.getFingerprint()

commit d943be43f7de45c5e1cb0fa3608aa10ac6fd7119
Merge: 55b98b84c9 593ee21f73
Author: Tom Rodriguez <tom.rodriguez@oracle.com>
Date: Sat Jul 1 11:27:33 2017 -0700

    [GR-4828] Eliminate reads and writes using memory graph.

commit 55b98b84c9aafe339634048e7b806a15ff585235
Merge: d756ec83f4 ff2cb3c6ec
Author: Josef Eisl <josef.e.eisl@oracle.com>
Date: Sat Jul 1 07:25:10 2017 -0700

    [GR-4806] Remove DynamicCountersHumanReadable option.

commit 8fcfb1c6dc4b4e5cbdd9bd1d66c570c60594cbe5
Author: Igor Veresov <igor.veresov@oracle.com>
Date: Thu Jun 29 10:46:52 2017 -0700

    AOT: Make sure replacement nodes get valid frame states

commit 593ee21f7330d754fba4435441e9701cef9c6a46
Author: Tom Rodriguez <tom.rodriguez@oracle.com>
Date: Thu Jun 29 09:25:37 2017 -0700

    Eliminate reads and writes using memory graph

commit ff2cb3c6ec90b9c91b23d627ee8da88e373da1d8
Author: Josef Eisl <josef.eisl@jku.at>
Date: Fri Jun 30 16:49:30 2017 +0200

    [refactor] remove DebugHistogram

commit f2c7e5319d241374604daa674e2d1a1d7e2827b9
Author: Josef Eisl <josef.eisl@jku.at>
Date: Thu Jun 29 16:59:45 2017 +0200

    [feature] Remove DynamicCountersHumanReadable option

commit 79a74b8c265a428fdc2c644add44b37f2c632eae
Author: Josef Eisl <josef.eisl@jku.at>
Date: Thu Jun 29 16:42:56 2017 +0200

    [refactor] Introduce Dumper class to separate human/computer output

commit f2a095caf569440e71f407e412d87e04c02e123a
Author: Doug Simon <doug.simon@oracle.com>
Date: Fri Jun 30 15:55:26 2017 +0200

    createDumpPath should handle null for graph parameter

commit b785fbdb80c0d354b192f2a32b3d2b4bcc23eac3
Author: Doug Simon <doug.simon@oracle.com>
Date: Fri Jun 30 15:54:51 2017 +0200

    debug scopes must inherit interceptDisabled from parents

commit 1877be66a59227be0df714371714dd0856d1060d
Author: Andrew Dinn <adinn@redhat.com>
Date: Tue Jun 20 14:27:36 2017 +0100

    make prfm accept REGISTER_OFFSET addresses

commit e9f013b30f0f752daa32bf495f49a19592bd795d
Author: Andrew Dinn <adinn@redhat.com>
Date: Tue Jun 20 10:54:29 2017 +0100

    style and format fixes

commit 0ca2c6aadd6511fd5ed6fce4550c5acc9e42a50b
Author: Andrew Dinn <adinn@redhat.com>
Date: Tue Jun 20 10:42:01 2017 +0100

    use PSTL1KEEP as hardwired prefetch mode as per C2

commit 8fae1cf7db01b025bd117596a962988c704b0c66
Author: Andrew Dinn <adinn@redhat.com>
Date: Tue Jun 20 10:06:20 2017 +0100

    implement prefetch and associated address lowering by use

commit 7109f28a8c28c9b45854bacb65bc6ad531ae2e7c
Author: Codrut Stancu <codrut.stancu@oracle.com>
Date: Wed Jun 28 10:48:18 2017 -0700

    [GR-4398] Added a PhaseSuite.addBeforeLast() method.

commit 51a7f4ea78a3abb139198314b3277cc49ab78d4a
Author: Doug Simon <doug.simon@oracle.com>
Date: Thu Jun 29 16:25:23 2017 +0200

    initialize config flags for top level debug scope

commit 7292ca51b130b7ea131d0a9d48caedeb59536736
Author: Doug Simon <doug.simon@oracle.com>
Date: Wed Jun 28 23:21:15 2017 +0200

    make dump file names conform to file system limits and guarantee uniqueness of dump files
    removed leftover debug code

commit 6080e31ddb8fe5e9263bba2d2cd0e0caef9e4e71
Merge: 141dcf37c9 b39dceab81
Author: Svatopluk Dědic <svatopluk.dedic@oracle.com>
Date: Thu Jun 29 03:04:02 2017 -0700

    [GR-4558] Do not dump line for missing filenames.

commit a6e39cce6ab89292ecc34d3a5d459bef78313721
Author: Josef Eisl <josef.eisl@jku.at>
Date: Wed Jun 28 17:15:41 2017 +0200

    [fix] BenchmarkCounters should ensure that the dump directory is available

commit b39dceab81cff16519224e5aa68e2a3783359d11
Author: Svata Dedic <svatopluk.dedic@oracle.com>
Date: Wed Jun 28 07:44:19 2017 +0200

    GR-4558: do not dump line for missing filenames

commit cd655e1df4f388c78364f00017f0299833f03669
Merge: 119d1ed5f8 d41ded5ace
Author: Doug Simon <doug.simon@oracle.com>
Date: Wed Jun 28 04:27:38 2017 -0700

    [GR-4063] Replace static Debug with non-static DebugContext.

commit d41ded5acee998921f048cdf57260486590065fc
Author: Doug Simon <doug.simon@oracle.com>
Date: Wed Jun 28 11:19:51 2017 +0200

    give DebugContext.Description a toString(); clear metric values in DebugContext.close()

commit 37da45960c1e18dca0c388cf49294f1119c8c29f
Author: Doug Simon <doug.simon@oracle.com>
Date: Wed Jun 28 11:18:55 2017 +0200

    make ByecodeDisassembler more robust

commit c8c360650aa2731be9e70ba0e8dd699a9757c64b
Author: Christian Humer <christian.humer@oracle.com>
Date: Tue Jun 27 17:40:10 2017 +0200

    Fix OptionDescriptor default values.

commit 249a0de446167b7caf0c328fc37dff626a72b9af
Author: Doug Simon <doug.simon@oracle.com>
Date: Tue Jun 27 14:54:18 2017 +0200

    make call to Thread.getStackTrace substitutable

commit ae4ed1c643d03babc286b80bd4a22334ef6ace7a
Author: Doug Simon <doug.simon@oracle.com>
Date: Tue Jun 27 13:21:46 2017 +0200

    removed DebugHandler.apply

commit 736518f6219fa387662891ba5610ee57a871d1d7
Author: Doug Simon <doug.simon@oracle.com>
Date: Mon Jun 26 01:47:23 2017 +0200

    renamed DebugConfigCustomizer to DebugHandlersFactory

commit 5b4c814646002fba9a26953f867a8b7ad9012844
Author: Doug Simon <doug.simon@oracle.com>
Date: Mon Jun 26 01:19:47 2017 +0200

    rename GraalDebugConfig DebugConfigImpl

commit 4f12a6c8427305fea01e9dc890532ddde277a0f6
Author: Doug Simon <doug.simon@oracle.com>
Date: Mon Jun 26 01:09:36 2017 +0200

    extracted GraalDebugConfig.Options to top level DebugOptions

commit cad4f914666eff4fc86f18314a9f460beecb3b43
Author: Doug Simon <doug.simon@oracle.com>
Date: Sun Jun 25 22:55:06 2017 +0200

    removed all public DebugContext constructors

commit 1049506591201f9e510b15aefbf98eddbae44bac
Author: Doug Simon <doug.simon@oracle.com>
Date: Sun Jun 25 09:59:28 2017 +0200

    removed configuring DebugDumpHandlers via arbitrary capabilities

commit 3bf7afeb068642ea6df58d872e746a13b5deffe4
Author: Doug Simon <doug.simon@oracle.com>
Date: Thu Jun 1 21:30:49 2017 +0200

    replace static Debug with non-static DebugContext

commit 12a71ef6ded316836bfe5df265ed7bc8607519e7
Author: Christian Humer <christian.humer@oracle.com>
Date: Sun Jun 25 20:09:32 2017 +0200

    Add support for polyglot compiler options. First two options CompilationThreshold and QueueTimeThreshold; Fix behavior of compilation threshold.