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* Revert "Revert "Add JIT""Mathieu Chartier2015-02-241-200/+0
| | | | | | | | Added missing EntryPointToCodePointer. This reverts commit a5ca888d715cd0c6c421313211caa1928be3e399. Change-Id: Ia74df0ef3a7babbdcb0466fd24da28e304e3f5af
* Revert "Add JIT"Nicolas Geoffray2015-02-241-0/+200
| | | | | | | | | | | | | | | Sorry, run-test crashes on target: 0-05 12:15:51.633 I/DEBUG (27995): Abort message: 'art/runtime/mirror/art_method.cc:349] Check failed: PcIsWithinQuickCode(reinterpret_cast<uintptr_t>(code), pc) java.lang.Throwable java.lang.Throwable.fillInStackTrace() pc=71e3366b code=0x71e3362d size=ad000000' 10-05 12:15:51.633 I/DEBUG (27995): r0 00000000 r1 0000542b r2 00000006 r3 00000000 10-05 12:15:51.633 I/DEBUG (27995): r4 00000006 r5 b6f9addc r6 00000002 r7 0000010c 10-05 12:15:51.633 I/DEBUG (27995): r8 b63fe1e8 r9 be8e1418 sl b6427400 fp b63fcce0 10-05 12:15:51.633 I/DEBUG (27995): ip 0000542b sp be8e1358 lr b6e9a27b pc b6e9c280 cpsr 40070010 10-05 12:15:51.633 I/DEBUG (27995): Bug: 17950037 This reverts commit 2535abe7d1fcdd0e6aca782b1f1932a703ed50a4. Change-Id: I6f88849bc6f2befed0c0aaa0b7b2a08c967a83c3
* Add JITMathieu Chartier2015-02-231-200/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently disabled by default unless -Xjit is passed in. The proposed JIT is a method JIT which works by utilizing interpreter instrumentation to request compilation of hot methods async during runtime. JIT options: -Xjit / -Xnojit -Xjitcodecachesize:N -Xjitthreshold:integervalue The JIT has a shared copy of a compiler driver which is accessed by worker threads to compile individual methods. Added JIT code cache and data cache, currently sized at 2 MB capacity by default. Most apps will only fill a small fraction of this cache however. Added support to the compiler for compiling interpreter quickened byte codes. Added test target ART_TEST_JIT=TRUE and --jit for run-test. TODO: Clean up code cache. Delete compiled methods after they are added to code cache. Add more optimizations related to runtime checks e.g. direct pointers for invokes. Add method recompilation. Move instrumentation to DexFile to improve performance and reduce memory usage. Bug: 17950037 Change-Id: Ifa5b2684a2d5059ec5a5210733900aafa3c51bca
* Dead code elimination based on GVN results.Vladimir Marko2015-02-171-0/+4
| | | | Change-Id: I5b77411a8f088f0b561da14b123cf6b0501c9db5
* Further cleanup using dex_instruction_utils.h.Vladimir Marko2014-11-241-0/+4
| | | | Change-Id: I85aa9e7d744b37ee3d2531c50470cd3fa87dc864
* Eliminate suspend checks on back-edges to return insn.Vladimir Marko2014-11-241-0/+4
| | | | | | This optimization seems to have been broken for a long time. Change-Id: I62ec85c71bb5253917ad9465a952911e917f6b52
* Rewrite GVN's field id and field type handling.Vladimir Marko2014-11-211-0/+188
Create a helper unit for dex insn classification and cache dex field type (as encoded in the insn) in the MirFieldInfo. Use this for cleanup and a few additional DCHECKs. Change the GVN's field id to match the field lowering info index (MIR::meta::{i,s}field_lowering_info), except where multiple indexes refer to the same field and we use the lowest of the applicable indexes. Use the MirMethodInfo from MIRGraph to retrieve field type for GVN using this index. This slightly reduces GVN compilation time and prepares for further compilation time improvements. Change-Id: I1b1247cdb8e8b6897254e2180f3230f10159bed5
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