Commit Graph

113 Commits

Author SHA1 Message Date
Ryan Macnak b352b5ffb7 [vm, jit] The hottest Smi ops are + < == not + - ==.
Bug: https://github.com/dart-lang/sdk/issues/36409
Change-Id: Id1a6a65b26c95fb3f56bf844943aa09cc4f13a2a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/99728
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Aart Bik <ajcbik@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2019-04-18 22:50:45 +00:00
Ryan Macnak a63bf3c846 [vm] Don't call the debug step check stub or bytecode in PRODUCT mode.
Change-Id: I2c91c69f4271bb3eed11d7ba81bd453bdb31bf38
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/99287
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2019-04-15 23:40:56 +00:00
Martin Kustermann 125ee3b719 [vm/compiler/aot] Avoid using EnterCallRuntimeFrame/LeaveCallRuntimeFrame due to code size of register spilling
It caused significant size increase due to having register spilling code
for every class allocation stub.

The helper method is called always in "tail" position and it is
therefore ok to clobber registers.

Change-Id: Ic2f19d740230282df1e399ea5009171f7713c837
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/99168
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2019-04-12 13:06:57 +00:00
Martin Kustermann ce9a1e2b54 [vm/compiler] Fix write-barrier elimination issue
The slow patch code of allocation stubs goes to runtime to allocate
objects/contexts/arrays.  Those native calls seemingly guaranteed that
an object is new-or-remembered.

Though the runtime can actually allocate a new object and it can get
moved to old space right before returning to the continuation of slow
path allocation.

This causes us to have a newly allocated object which is not in the
remembered set.

This CL moves the code for "new-or-remembered guarantee" from
runtime_entry.cc to the call-sites in allocation stubs.

Issue https://github.com/dart-lang/sdk/issues/36369

Change-Id: Ieef9232b4c50fdd84ad81dd8f77697bf0c4775ed
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/99143
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
2019-04-12 09:22:17 +00:00
Samir Jindel a7a87df513 [vm/ffi] Replicate transition to/from native code around FFI calls.
Change-Id: I49be874b47b63a0863ed58d26f417cb957b89380
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/98463
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
2019-04-11 11:59:54 +00:00
Daco Harkes 544371c7f2 [vm] Refactor constants to be available in namespaces dart and dart::host
Refactoring motivation: go/dart-simulated-ffi

Change-Id: I219aba2793cfb7d7ea5ecc0a2ab93276c6cbf1e0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/97325
Reviewed-by: Samir Jindel <sjindel@google.com>
2019-04-08 09:45:27 +00:00
Martin Kustermann c185945507 [vm/aot] Ensure global object pool is relocated by compactor and reloaded when returning from natives
When the compactor moves the global object pool the pointer in Thread
was not updated because it was in a macro list which can only hold
objects inside the read-only VM isolate.

All calls into dart need to populate PP as well as all calls returning
from C++ need to restore PP.  There was a missing case where we return
from natives and don't restore PP (i.e. not normal runtime calls).

This started to be an issue after we started moving old space objects.

Cq-Include-Trybots: luci.dart.try:vm-canary-linux-debug-try, vm-dartkb-linux-debug-x64-try, vm-dartkb-linux-release-x64-try, vm-kernel-asan-linux-release-x64-try, vm-kernel-checked-linux-release-x64-try, vm-kernel-linux-debug-ia32-try, vm-kernel-linux-debug-simdbc64-try, vm-kernel-linux-debug-x64-try, vm-kernel-linux-product-x64-try, vm-kernel-linux-release-ia32-try, vm-kernel-linux-release-simarm-try, vm-kernel-linux-release-simarm64-try, vm-kernel-linux-release-simdbc64-try, vm-kernel-linux-release-x64-try, vm-kernel-optcounter-threshold-linux-release-ia32-try, vm-kernel-optcounter-threshold-linux-release-x64-try, vm-kernel-precomp-android-release-arm-try, vm-kernel-precomp-bare-linux-release-simarm-try, vm-kernel-precomp-bare-linux-release-simarm64-try, vm-kernel-precomp-bare-linux-release-x64-try, vm-kernel-precomp-linux-debug-x64-try, vm-kernel-precomp-linux-product-x64-try, vm-kernel-precomp-linux-release-simarm-try, vm-kernel-precomp-linux-release-simarm64-try, vm-kernel-precomp-linux-release-x64-try, vm-kernel-precomp-obfuscate-linux-release-x64-try, vm-kernel-precomp-win-release-simarm64-try, vm-kernel-precomp-win-release-x64-try, vm-kernel-reload-linux-debug-x64-try, vm-kernel-reload-linux-release-x64-try, vm-kernel-reload-rollback-linux-debug-x64-try, vm-kernel-reload-rollback-linux-release-x64-try, vm-kernel-win-debug-ia32-try, vm-kernel-win-debug-x64-try, vm-kernel-win-product-x64-try, vm-kernel-win-release-ia32-try, vm-kernel-win-release-x64-try
Change-Id: I14776be226431e2c53ae888b3c98a1b8c540c4ec
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/98343
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2019-03-29 15:13:25 +00:00
Ryan Macnak 24df9cc588 [vm] Implement interpreter stubs for ARM, SIMARM and SIMARM64.
Change-Id: If49e656bb3c016d42bc5588c6026116f2aff5076
Reviewed-on: https://dart-review.googlesource.com/c/94682
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
2019-03-01 01:25:19 +00:00
Ryan Macnak 78509055b6 [vm] Add names for more types to the V8 snapshot profile output.
Fix some types of base objects in the V8 snapshot profile output.

Rename ICData::ic_data_ to entries_ as it does not point to an ICData.

Change-Id: Ie80974e2eb741810a5f540dd40e5d60a519d8e4e
Reviewed-on: https://dart-review.googlesource.com/c/92665
Reviewed-by: Samir Jindel <sjindel@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2019-02-12 17:54:58 +00:00
Martin Kustermann 660cf26dbb Reland "[vm] Decouple stub code from runtime"
This is the next step towards preventing compiler from directly peeking
into runtime and instead interact with runtime through a well defined
surface.

This CL decouples the hand-written stub codes from the runtime. The
target architecture dependent stubs are moved to
dart::compiler::StubCodeCompiler which use dart::compiler::target:*
for accessing any runtime related code.

The generation of type testing stubs is moved to separate files for the
time being.

Issue https://github.com/dart-lang/sdk/issues/31709

Change-Id: Icd0995b18a7bac496b1e12231cf437943f5c94f1
Reviewed-on: https://dart-review.googlesource.com/c/92720
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
Auto-Submit: Martin Kustermann <kustermann@google.com>
2019-02-12 13:52:28 +00:00
Ben Konyi 30f9143831 Revert "[vm] Decouple stub code from runtime." and "[VM/Decoupling] Follow-up change to decoupling of stub_code: Fix missing "!""
This reverts commits a8e2dfdb9b and 473c424fe2.

Change-Id: Id5f67541adcdcb4fa0900a34fa389149f556929f
Reviewed-on: https://dart-review.googlesource.com/c/92667
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Ben Konyi <bkonyi@google.com>
2019-02-12 00:59:23 +00:00
Martin Kustermann 473c424fe2 [VM/Decoupling] Follow-up change to decoupling of stub_code: Fix missing "!"
Change-Id: I5eddd8c1484a70c85851e9a94a61fbbdbed731d5
Reviewed-on: https://dart-review.googlesource.com/c/92565
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
Auto-Submit: Martin Kustermann <kustermann@google.com>
2019-02-11 13:41:44 +00:00
Martin Kustermann a8e2dfdb9b [vm] Decouple stub code from runtime.
This is the next step towards preventing compiler from directly peeking
into runtime and instead interact with runtime through a well defined
surface.

This CL decouples the hand-written stub codes from the runtime. The
target architecture dependent stubs are moved to
dart::compiler::StubCodeCompiler which use dart::compiler::target:*
for accessing any runtime related code.

The generation of type testing stubs is moved to separate files for the
time being.

Issue https://github.com/dart-lang/sdk/issues/31709

Change-Id: I1b4f1cca0acb704b30b80eca7f634734772389b5
Reviewed-on: https://dart-review.googlesource.com/c/92138
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Aart Bik <ajcbik@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2019-02-11 11:24:00 +00:00