)]}'
{
  "log": [
    {
      "commit": "575d3e60c68b5cf481b615dde4a16283507b19ed",
      "tree": "4718f2747233e74268de21d804df9bfe0b7e4362",
      "parents": [
        "857acf51fbc5a931939c20e9e299c69676baf654"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Mon Feb 06 11:00:40 2017 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Wed Feb 08 09:51:27 2017 -0800"
      },
      "message": "Clean up code info table layout\n\nPreviously:\nTable layout was computed multiple places like stack_map_stream,\nand getters. This made it difficult to add new stack map tables and\nmade the code hard to understand.\n\nThis change makes the table layout specified all inside of the code\ninfo. Updating the layout only requires changing ComputeTableOffsets.\n\nChanged the stack map inline info offset to be an index, so that it is\nnot require the inline infos are directly after the dex register table.\n\nOat file size for a large app: 94459576 -\u003e 93882040 (-0.61%)\n\nUpdated oatdump and fixed a bug that was incorrectly computing the\nregister mask bytes.\n\nBug: 34621054\n\nTest: test-art-host\n\nChange-Id: I3a7f141e09d5a18bce2bc6c9439835244a22016e\n"
    },
    {
      "commit": "1a20b6801f2432a42b906f0de01e7e9586526aec",
      "tree": "ae3faaf42a2b560601fc024ae16898a5dfa42261",
      "parents": [
        "357dcb73934356239292c46d6fbedba734da5e00"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Jan 31 14:25:16 2017 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Wed Feb 01 12:46:43 2017 -0800"
      },
      "message": "Deduplicate register masks\n\nData is commonly shared between different stack maps. The register\nmasks are stored after the stack masks.\n\nOat size for a large app:\n96722288 -\u003e 94485872 (-2.31%)\n\nAverage oat size reduction according to golem -3.193%.\n\nBug: 34621054\n\nTest: test-art-host\n\nChange-Id: I5eacf668992e866d11ddba0c01675038a16cdfb4\n"
    },
    {
      "commit": "45aa598cd1773f5eb1705dec13bea059238e054d",
      "tree": "f5a6fd7445a74218547cd6c4e28dc835821c355e",
      "parents": [
        "f2042db1b41cc21cc540c5ad7d353cbe1e3a32df"
      ],
      "author": {
        "name": "David Srbecky",
        "email": "dsrbecky@google.com",
        "time": "Fri Mar 18 02:15:09 2016 +0000"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Jan 31 10:15:26 2017 -0800"
      },
      "message": "Deduplicate stack masks\n\nThe stack masks repeat often enough so that it is worth deduplicating\nthem.\n\nOat size for a large app:\n98143600 -\u003e 96722288 (-1.44%)\n\nBug: 34621054\n\nTest: test-art-host\nChange-Id: If73d51e46066357049d5be2e406ae9a32b7ff1f4\n"
    },
    {
      "commit": "12f1b99775bbf7dd82d0a897587ab6ed0e75ee22",
      "tree": "f8cb3a7334652e59577b7ff97a1805d1bf4ddd94",
      "parents": [
        "d8f6e6430b26bf199f4a52f0624becb7c29f3c19"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu Jan 19 18:00:45 2017 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Jan 27 10:04:05 2017 -0800"
      },
      "message": "Remove alignment bits in between stack maps\n\nSaves 0.65% of boot.oat size, probably similar on apps. Added\nBitMemoryRegion to avoid requiring adding state to StackMap. Added\ntest to memory_region_test.\n\nTest: clean-oat-host \u0026\u0026 test-art-host\n\nBug: 34621054\n\nChange-Id: I40279c59e262bd5e3c6a9135f83e22b5b6900d68\n"
    },
    {
      "commit": "a2f526f889be06f96ea59624c9dfb1223b3839f3",
      "tree": "769f517e6664de0e89abeadf07a39d5410fcee42",
      "parents": [
        "64e50021845b1ad9d8851596e8aaddf18be217c2"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu Jan 19 14:48:48 2017 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Jan 20 15:47:06 2017 -0800"
      },
      "message": "Compressed native PC for stack maps\n\nCompress native PC based on instruction alignment. This reduces the\nsize of stack maps, boot.oat is 0.4% smaller for arm64.\n\nTest: test-art-host, test-art-target, N6P booting\n\nChange-Id: I2b70eecabda88b06fa80a85688fd992070d54278\n"
    },
    {
      "commit": "5d37c152f21a0807459c6f53bc25e2d84f56d259",
      "tree": "7d8cbce0a55f258150a047def70244f79afc866d",
      "parents": [
        "aa89a4c6fca095904521842c018399f1e3501a45"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Thu Jan 12 13:25:19 2017 +0000"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Mon Jan 16 22:56:56 2017 +0000"
      },
      "message": "Put inlined ArtMethod pointer in stack maps.\n\nCurrently done for JIT. Can be extended for AOT and inlined boot\nimage methods.\n\nAlso refactor the lookup of a inlined method at runtime to not\nrely on the dex cache, but look at the class loader tables.\n\nbug: 30933338\ntest: test-art-host, test-art-target\nChange-Id: I58bd4d763b82ab8ca3023742835ac388671d1794\n"
    },
    {
      "commit": "61b28a17d9b6e8e998103646e98e4a9772e11927",
      "tree": "438c4a73f72423ddc71e6dca9f082d9e1d533996",
      "parents": [
        "cf0f8560f41467331427418584687830932e66ed"
      ],
      "author": {
        "name": "David Srbecky",
        "email": "dsrbecky@google.com",
        "time": "Thu Feb 25 21:55:03 2016 +0000"
      },
      "committer": {
        "name": "David Srbecky",
        "email": "dsrbecky@google.com",
        "time": "Fri Apr 01 17:01:55 2016 +0100"
      },
      "message": "Use bit-level packing for InlineInfo in stackmaps as well.\n\nUse the same approach as we do for stackmaps to reduce the size.\n\nIt saves 4.0 MB from non-debuggable boot.oat (AOSP).\nIt does not affect debuggable boot.oat.\n\nIt saves 3.6 MB (of 96.6 MB) from /system/framework/arm/ (GOOG).\nIt saves 0.6 MB (of 26.7 MB) from /system/framework/oat/arm/ (GOOG).\n\nField loads from inline-info get around 5% slower.\n(based on the time it takes to load all inline-infos from boot.oat)\n\nChange-Id: I67b0fa5eef74c1fdb013680d0231fd44ea696176\n"
    },
    {
      "commit": "09ed09866da6d8c7448ef297c148bfa577a247c2",
      "tree": "dad6a5dae6ca6131f1eba201eaa371edc6d9929d",
      "parents": [
        "e28ad4b91591c226ed404a2b01104bb99bfeb28f"
      ],
      "author": {
        "name": "David Srbecky",
        "email": "dsrbecky@google.com",
        "time": "Fri Feb 12 21:58:43 2016 +0000"
      },
      "committer": {
        "name": "David Srbecky",
        "email": "dsrbecky@google.com",
        "time": "Thu Mar 31 22:12:07 2016 +0100"
      },
      "message": "Pack stack map entries on bit level to save space.\n\nUse only the minimum number of bits required to store stack map data.\nFor example, if native_pc needs 5 bits and dex_pc needs 3 bits, they\nwill share the first byte of the stack map entry.\n\nThe header is changed to store bit offsets of the fields rather than\nbyte sizes. Offsets also make it easier to access later fields without\ncalculating sum of all previous sizes.\n\nAll of the header fields are byte sized or encoded as ULEB128 instead\nof the previous fixed size encoding. This shrinks it by about half.\n\nIt saves 3.6 MB from non-debuggable boot.oat (AOSP).\nIt saves 3.1 MB from debuggable boot.oat (AOSP).\n\nIt saves 2.8 MB (of 99.4 MB) from /system/framework/arm/ (GOOG).\nIt saves 1.0 MB (of 27.8 MB) from /system/framework/oat/arm/ (GOOG).\n\nField loads from stackmaps seem to get around 10% faster.\n(based on the time it takes to load all stackmap entries from boot.oat)\n\nBug: 27640410\nChange-Id: I8bf0996b4eb24300c1b0dfc6e9d99fe85d04a1b7\n"
    },
    {
      "commit": "012fc4e9d9b66b3ffb7838b0e29dadbb4863ee69",
      "tree": "abba308e56a3d81e5c3fceebc95fb37a0ffe9c7c",
      "parents": [
        "5ee288c9dd99614e3a238f5efceeec6456e3499d"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Fri Jan 08 15:58:19 2016 +0000"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Fri Jan 08 17:14:17 2016 +0000"
      },
      "message": "Don\u0027t encode a DexRegisterMap if there is no live register.\n\nChange-Id: I76a291e6a0ac37f0590d16c7f5b866115588bc55\n"
    },
    {
      "commit": "e5d80f83ae53792bc1eebd4e33e4e99f7c031b0c",
      "tree": "cc21ac068a5d02349c5b1aaa8c7f61ae777f6cea",
      "parents": [
        "a815f17cc82f4f238d8bdec1bd5b70fec720541e"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Thu Oct 15 17:47:48 2015 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Oct 23 11:21:11 2015 -0700"
      },
      "message": "Move ArenaBitVector into the runtime\n\nMotivation is using arenas in the verifier.\n\nBug: 10921004\nChange-Id: I3c7ed369194b2309a47b12a621e897e0f2f65fcf\n"
    },
    {
      "commit": "d9cb68e3212d31d61445fb7e8446f68991720009",
      "tree": "8738656ba16c292c1f1fd022337817c58ded2136",
      "parents": [
        "9dc601eb65da0cd5f53172699dacd6e5dd38ab44"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Tue Aug 25 13:52:43 2015 +0100"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Tue Aug 25 17:35:16 2015 +0100"
      },
      "message": "ART: Add (Fpu)RegHigh stack map location kinds\n\nWhen running Optimized code on 64-bit, high value of vreg pair may be\nstored in the high 32 bits of a CPU register. This is not reflected in\nstack maps which would encode both the low and high vreg as\nkInRegister with the same register number, making it indistinguishable\nfrom two non-wide vregs with the same value in the lower 32 bits.\n\nDeoptimization deals with this by running the verifier and thus\nobtaining vreg pair information, but this would be too slow for try/\ncatch. This patch therefore adds two new stack map location kinds:\nkInRegisterHigh and kInFpuRegisterHigh to differentiate between the\ntwo cases.\n\nNote that this also applies to floating-point registers on x86.\n\nChange-Id: I15092323e56a661673e77bee1f0fca4261374732\n"
    },
    {
      "commit": "1c1da4398cca9a828dea885ca1be12adf961d3a3",
      "tree": "130af3bb745bc74a9398c2ac482968bf734f9993",
      "parents": [
        "d780c00e554c5b00fc1acf359e4b9c7e761ea0eb"
      ],
      "author": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Thu Jul 16 11:54:44 2015 +0100"
      },
      "committer": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Thu Jul 16 11:54:44 2015 +0100"
      },
      "message": "Improve documentation of memory layouts in stack_map.h.\n\nAlso shorten NumberOfDexRegisterLocationCatalogEntries to\nNumberOfLocationCatalogEntries.\n\nChange-Id: I55f8ec2960ea67e2eb6871a417bd442d0e2810fb\n"
    },
    {
      "commit": "f677ebfd832c9c614fea5e6735725fec2f7a3f2a",
      "tree": "051b3ba6343bdbca4929d728dd5c0341e4383a08",
      "parents": [
        "c47908e8c32fd58bc4dc75998a80f706954db1dc"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Fri May 29 16:29:43 2015 +0100"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Thu Jun 04 17:25:02 2015 +0100"
      },
      "message": "Cache stack map encoding\n\nOperations on CodeInfo and StackMap objects repeatedly read encoding\ninformation from the MemoryRegion. Since these are 3-bit-loads of\nvalues that never change, caching them can measurably reduce compile\ntimes.\n\nAccording to benchmarks, this patch saves 1-3% on armv7, 2-4% on x86,\nand 0-1% on x64.\n\nChange-Id: I46b197513601325d8bab562cc80100c00ec28a3b\n"
    },
    {
      "commit": "f10a25f961eb8029c01c84fe8eabd405055cca37",
      "tree": "a0fd9dfa459689fa2929a89310ebcd3a45607e5f",
      "parents": [
        "1682e1aa3463c2e6a8e5f4a9d3f4d13a0e31e3da"
      ],
      "author": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Tue Jun 02 14:29:52 2015 +0100"
      },
      "committer": {
        "name": "David Brazdil",
        "email": "dbrazdil@google.com",
        "time": "Tue Jun 02 14:36:09 2015 +0100"
      },
      "message": "ART: Fast copy stack mask\n\nStackMap::SetStackMask will currently copy a BitVector into a Memory-\nRegion bit by bit. This patch adds a new function for copying the data\nwith memcpy.\n\nThis is resubmission of CL I28d45a590b35a4a854cca2f57db864cf8a081487\nbut with a fix for a broken test which it revealed.\n\nChange-Id: Ib65aa614d3ab7b5c99c6719fdc8e436466a4213d\n"
    },
    {
      "commit": "b176d7c6c8c01a50317f837a78de5da57ee84fb2",
      "tree": "81ec0c16267c527bdc64923b374be915206e6af9",
      "parents": [
        "713c59e813daa92da3f1678add6c4c7e16dcff11"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Wed May 20 18:48:31 2015 +0100"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Thu May 21 12:10:00 2015 +0100"
      },
      "message": "Also encode the InvokeType in an InlineInfo.\n\nThis will be needed to recover the call stack.\n\nChange-Id: I2fe10785eb1167939c8cce1862b2d7f4066e16ec\n"
    },
    {
      "commit": "b1d0f3f7e92fdcc92fe2d4c48cbb1262c005583f",
      "tree": "0e3ce752f82ff5d7f10d37d46bda058ca54d7e40",
      "parents": [
        "119b21a6dfdb09d983a9e56a837fbf5c98e57096"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Thu May 14 12:41:51 2015 +0100"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Mon May 18 13:00:29 2015 +0100"
      },
      "message": "Support InlineInfo in StackMap.\n\nChange-Id: I9956091775cedc609fdae7dec1433fcb8858a477\n"
    },
    {
      "commit": "4f46ac5179967dda5966f2dcecf2cf08977951ef",
      "tree": "4c9ea50d9a135767c6e9a4abcf9b9c401a033414",
      "parents": [
        "4ceed922d44b68c3fa7cbe670014c9e2e003b92b"
      ],
      "author": {
        "name": "Calin Juravle",
        "email": "calin@google.com",
        "time": "Thu Apr 23 18:47:21 2015 +0100"
      },
      "committer": {
        "name": "Calin Juravle",
        "email": "calin@google.com",
        "time": "Thu Apr 23 19:58:22 2015 +0100"
      },
      "message": "Cleanup and improve stack map stream\n\n- transform AddStackMapEntry into BeginStackMapEntry/EndStackMapEntry.\nThis allows for nicer code and less assumptions when searching for equal\ndex register maps.\n- store the components sizes and their start positions as fields to\navoid re-computation.\n- store the current stack map entry as a field to avoid the copy\nsemantic when updating its value in the stack maps array.\n- remove redundant methods and fix visibility for the remaining ones.\n\nChange-Id: Ica2d2969d7e15993bdbf8bc41d9df083cddafd24\n"
    },
    {
      "commit": "896f8f7fe562f6e59119cb32531da9f0a5f13d18",
      "tree": "9f2b61474702a655ab5e793bac44d89612cf1b80",
      "parents": [
        "7411a69982c055692966c685636b6a226f10215e"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Mon Mar 30 15:44:25 2015 +0100"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Tue Mar 31 15:32:48 2015 +0100"
      },
      "message": "Use variable encoding for StackMap.\n\ndex_pc, native_pc_offset, dex_register_map_offset, inline_info_offset,\nand register_mask can now be encoded in 1, 2, 3, or 4 bytes.\n\nChange-Id: I15f93e8226ce374204d44c5a80a9fd89bda2687c\n"
    },
    {
      "commit": "a552e1c0584b8ab63150510286478c68cdbce13f",
      "tree": "c9c66b3d6bf001491ddd6a59d16d345d5656db8f",
      "parents": [
        "ba6233527e455368bba02efe963dd1e24d971727"
      ],
      "author": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Thu Mar 26 15:01:03 2015 +0000"
      },
      "committer": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Tue Mar 31 12:47:33 2015 +0100"
      },
      "message": "Use unique location catalogs to encode Dex register maps.\n\n- For each CodeInfo object (i.e. for each method), compute a\n  variable index size location catalog  of unique Dex\n  register locations.  In Dex register maps, instead of\n  storing the actual location of a (live) Dex register,\n  store the index of the location catalog entry containing\n  that Dex register location.\n- Adjust art::StackMapStream,\n  art::CheckReferenceMapVisitor::CheckOptimizedMethod,\n  art::StackVisitor::GetVRegFromOptimizedCode, and\n  art::StackVisitor::SetVRegFromOptimizedCode.\n- Add LoadBits and StoreBits methods to art::MemoryRegion\n  to load and store a block of adjacent bits in a memory\n  region.\n- Update compiler/optimizing/stack_map_test.cc.\n- Remove the default value for parameter EmptyFn of\n  art::HashMap.  This default value did not seem to make\n  sense, as it would create an \"empty function\" for type Key\n  by default, whereas art::HashMap expects an \"empty\n  function\" for type std::pair\u003cKey, Value\u003e.\n\nChange-Id: Id9e49d7756c253ce41c36630cd832208d06c2e28\n"
    },
    {
      "commit": "6ae70962089e4af9718cc9b7c2b79a0c501c1844",
      "tree": "3b7cd46ed7c7bab95dc258a29883297738138f6c",
      "parents": [
        "2f5904383a7b7ffb741c8839ec3c60762860bad3"
      ],
      "author": {
        "name": "Calin Juravle",
        "email": "calin@google.com",
        "time": "Wed Mar 18 16:31:28 2015 +0000"
      },
      "committer": {
        "name": "Calin Juravle",
        "email": "calin@google.com",
        "time": "Wed Mar 25 13:50:23 2015 +0000"
      },
      "message": "Share dex register maps between stack maps when possible.\n\nIf two stack maps have the same dex register map then one of them will\nreference the register map from the other instead of owning an\nindependent copy.\n\nThis saves around 1.5% of space.\n\nChange-Id: Ic2c2c81210c6c45a5c5f650f7ba82a46ff6f45e4\n"
    },
    {
      "commit": "004c230b4cfc856690c61faabc41864061813c88",
      "tree": "40d95445eaa2eb248fa639755689c797a5e0c2ae",
      "parents": [
        "735dc87c92bee338d0638b3290c2b93a122429f2"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Fri Mar 20 10:06:38 2015 +0000"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Fri Mar 20 14:55:15 2015 +0000"
      },
      "message": "Compress the StackMaps.\n\nFirst step towards the compression of the StackMap (not\nthe DexRegisterMap). Next step will be to just use what is\nneeded (instead of byte -\u003e word).\n\nChange-Id: I4f81b2d05bf5cc508585e16fbbed1bafbc850e2e\n"
    },
    {
      "commit": "eeefa1276e83776f08704a3db4237423b0627e20",
      "tree": "d7c647ca77703f3712f567704f40b00d59a125de",
      "parents": [
        "02c0bac34c246c1bd974dbb86d292d4b52ba98e4"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Fri Mar 13 18:52:59 2015 +0000"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Mon Mar 16 10:48:21 2015 +0000"
      },
      "message": "Update locations of registers after slow paths spilling.\n\nChange-Id: Id9aafcc13c1a085c17ce65d704c67b73f9de695d\n"
    },
    {
      "commit": "fead4e4f397455aa31905b2982d4d861126ab89d",
      "tree": "21e4ccd99472bbf5cf1fac3bc20d0bca6f176022",
      "parents": [
        "cc22e3946baf035c8732e9417ab132bfe663aa45"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Fri Mar 13 14:39:40 2015 +0000"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Fri Mar 13 18:28:19 2015 +0000"
      },
      "message": "[optimizing] Don\u0027t record None locations in the stack maps.\n\n- moved environment recording from code generator to stack map stream\n- added creation/loading factory methods for the DexRegisterMap (hides\ninternal details)\n- added new tests\n\nChange-Id: Ic8b6d044f0d8255c6759c19a41df332ef37876fe\n"
    },
    {
      "commit": "a2d8ec6876325e89e5d82f5dbeca59f96ced3ec1",
      "tree": "65bf174b669ff3cd9694dc5a1124fb9f2225ade1",
      "parents": [
        "39d9fe2eb3552a002c53ed41701c6faffe3cd75a"
      ],
      "author": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Thu Mar 12 15:25:29 2015 +0000"
      },
      "committer": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Thu Mar 12 15:25:29 2015 +0000"
      },
      "message": "Compress the Dex register maps built by the optimizing compiler.\n\n- Replace the current list-based (fixed-size) Dex register\n  encoding in stack maps emitted by the optimizing compiler\n  with another list-based variable-size Dex register\n  encoding compressing short locations on 1 byte (3 bits for\n  the location kind, 5 bits for the value); other (large)\n  values remain encoded on 5 bytes.\n- In addition, use slot offsets instead of byte offsets to\n  encode the location of Dex registers placed in stack\n  slots at small offsets, as it enables more values to use\n  the short (1-byte wide) encoding instead of the large\n  (5-byte wide) one.\n- Rename art::DexRegisterMap::LocationKind as\n  art::DexRegisterLocation::Kind, turn it into a\n  strongly-typed enum based on a uint8_t, and extend it to\n  support new kinds (kInStackLargeOffset and\n  kConstantLargeValue).\n- Move art::DexRegisterEntry from\n  compiler/optimizing/stack_map_stream.h to\n  runtime/stack_map.h and rename it as\n  art::DexRegisterLocation.\n- Adjust art::StackMapStream,\n  art::CodeGenerator::RecordPcInfo,\n  art::CheckReferenceMapVisitor::CheckOptimizedMethod,\n  art::StackVisitor::GetVRegFromOptimizedCode, and\n  art::StackVisitor::SetVRegFromOptimizedCode.\n- Implement unaligned memory accesses in art::MemoryRegion.\n- Use them to manipulate data in Dex register maps.\n- Adjust oatdump to support the new Dex register encoding.\n- Update compiler/optimizing/stack_map_test.cc.\n\nChange-Id: Icefaa2e2b36b3c80bb1b882fe7ea2f77ba85c505\n"
    },
    {
      "commit": "12baf476389359d54ae04d7898190ef6f81ab0b2",
      "tree": "08978200d483aed50c0128e9fa241d254facb50b",
      "parents": [
        "442b46a087c389a91a0b51547ac9205058432364"
      ],
      "author": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Thu Mar 05 12:41:42 2015 +0000"
      },
      "committer": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Thu Mar 05 14:44:46 2015 +0000"
      },
      "message": "Extend compiler/optimizing/stack_map_test.cc.\n\nChange-Id: I6f8c3186683210a5162cbf4f15361a4c494495c9\n"
    },
    {
      "commit": "442b46a087c389a91a0b51547ac9205058432364",
      "tree": "4efa4b4da919dd7b9aa18996a5316febcf1c8989",
      "parents": [
        "aa9b7c48069699e2aabedc6c0f62cb131fee0c73"
      ],
      "author": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Wed Feb 18 16:54:21 2015 +0000"
      },
      "committer": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Thu Feb 19 12:13:09 2015 +0000"
      },
      "message": "Display optimizing compiler\u0027s CodeInfo objects in oatdump.\n\nA few elements are not displayed yet (stack mask, inline info) though.\n\nChange-Id: I5e51a801c580169abc5d1ef43ad581aadc110754\n"
    },
    {
      "commit": "3946844c34ad965515f677084b07d663d70ad1b8",
      "tree": "0d85bfba2ff69c34a2897351d1e50a1464509305",
      "parents": [
        "e2c23739c6395a83b30ece38f8a2e9e1bf7cf3ce"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Tue Sep 02 15:17:15 2014 +0100"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Mon Sep 08 12:15:07 2014 +0100"
      },
      "message": "Runtime support for the new stack maps for the opt compiler.\n\nNow most of the methods supported by the compiler can be optimized,\ninstead of using the baseline.\n\nChange-Id: I80ab36a34913fa4e7dd576c7bf55af63594dc1fa\n"
    },
    {
      "commit": "99ea58cc68b51837c065f4a2a54efbf208dd76fa",
      "tree": "065c1335213b0bff5c3fb7a0dc79785f77441c9f",
      "parents": [
        "b5a214105d4c9b6c14de1649764950dd35bd620f"
      ],
      "author": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Wed Jul 02 15:08:17 2014 +0100"
      },
      "committer": {
        "name": "Nicolas Geoffray",
        "email": "ngeoffray@google.com",
        "time": "Mon Jul 21 12:47:27 2014 +0100"
      },
      "message": "Add a new stack map scheme that encodes compilation info per pc.\n\nEncodes stack mask, register mask, dex register values, and inlining\ninfo. The encoding is currently very straightforward: there is no\nclever encoding, nor compression.\n\nChange-Id: I5fd9ae28189a5513cd9e3c8d52c648463207643d\n"
    }
  ]
}