- 06 Dec, 2018 4 commits
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Clemens Hammacher authored
This reverts commit 0e8f20d2. Reason for revert: Breaks layout tests, blocks roll: https://ci.chromium.org/p/chromium/builders/luci.chromium.try/linux-blink-rel/3047 Original change's description: > [wasm] fix js-api interface > > Make sure WebAssembly's js-api exposes the correct attributes: writable, > enumerable and configurable. > > Bug: v8:8319 > Change-Id: I427533159d7975a42c0c5cb1babdc8a61f8198b5 > Reviewed-on: https://chromium-review.googlesource.com/c/1351002 > Commit-Queue: Adam Klein <adamk@chromium.org> > Reviewed-by: Adam Klein <adamk@chromium.org> > Reviewed-by: Ben Smith <binji@chromium.org> > Reviewed-by: Deepti Gandluri <gdeepti@chromium.org> > Cr-Commit-Position: refs/heads/master@{#58053} TBR=binji@chromium.org,adamk@chromium.org,gdeepti@chromium.org,ssauleau@igalia.com Change-Id: I16fa44a0e79020850613751ae45a68d67602166d No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:8319 Reviewed-on: https://chromium-review.googlesource.com/c/1365270Reviewed-by:
Clemens Hammacher <clemensh@chromium.org> Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#58061}
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/9c85c83..9fee3d5 Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/58f2981..a8f4725 Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/f28ef98..9875e18 Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/0dea619..f6641a3 Rolling v8/tools/luci-go:infra/tools/luci/isolate/${platform}: https://chrome-infra-packages.appspot.com/infra/tools/luci/isolate/${platform}/+log/git_rev..git_rev TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org Change-Id: I944970e96d4db2531431643cf54d3369ea977b49 Reviewed-on: https://chromium-review.googlesource.com/c/1364711 Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com> Reviewed-by:
v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com> Cr-Commit-Position: refs/heads/master@{#58060}
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Deepti Gandluri authored
Change-Id: Id221faecc9873cb0dbbd89777e055884158dbfb3 Reviewed-on: https://chromium-review.googlesource.com/c/1364370Reviewed-by:
Adam Klein <adamk@chromium.org> Commit-Queue: Deepti Gandluri <gdeepti@chromium.org> Cr-Commit-Position: refs/heads/master@{#58059}
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Sathya Gunasekaran authored
The prefix size is read from the Derived class. The hash code of the object will be stored in this prefix. Change-Id: I15646701c9bab99b8aed39ea9ad8ae03f6d605ed Bug: v8:6443, v8:7569 Reviewed-on: https://chromium-review.googlesource.com/c/1337586 Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org> Reviewed-by:
Ulan Degenbaev <ulan@chromium.org> Reviewed-by:
Jaroslav Sevcik <jarin@chromium.org> Reviewed-by:
Toon Verwaest <verwaest@chromium.org> Cr-Commit-Position: refs/heads/master@{#58058}
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- 05 Dec, 2018 26 commits
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Igor Sheludko authored
Bug: v8:8518 Change-Id: I39db0adbd84627491bcb653b90de724eb988d383 Reviewed-on: https://chromium-review.googlesource.com/c/1363145 Commit-Queue: Igor Sheludko <ishell@chromium.org> Reviewed-by:
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Igor Sheludko authored
and 1) make them represent kSystemPointerSize-sized off-heap slots, 2) reintroduce XxxSlots as an on-heap kTaggedSize-sized slots (for now they are just aliases to respective FullXxxSlots). Bug: v8:8518 Change-Id: I8a9177562308bd9420b1eebca959cc52ceaa628e Reviewed-on: https://chromium-review.googlesource.com/c/1363144 Commit-Queue: Igor Sheludko <ishell@chromium.org> Reviewed-by:
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Clemens Hammacher authored
A WasmModuleObject represents an instance of WebAssembly.Module. It is called WasmModuleObject internally, so also use that name externally. We still have a typedef for WasmCompiledModule which will be deprecated once chromium has been updated to use WasmModuleObject. R=titzer@chromium.org, adamk@chromium.org Bug: v8:8238, chromium:912031 Change-Id: I2d7708d4dc183cb4f4714f741b1ea0c153014430 Reviewed-on: https://chromium-review.googlesource.com/c/1362048Reviewed-by:
Ben Titzer <titzer@chromium.org> Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#58055}
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Junliang Yan authored
Port cfdf6ff8 R=jgruber@chromium.org, joransiu@ca.ibm.com, michael_dawson@ca.ibm.com BUG= LOG=N Change-Id: I8821b82f181a44b70272d770703136983d821d1c Reviewed-on: https://chromium-review.googlesource.com/c/1363449Reviewed-by:
Joran Siu <joransiu@ca.ibm.com> Commit-Queue: Junliang Yan <jyan@ca.ibm.com> Cr-Commit-Position: refs/heads/master@{#58054}
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Sven Sauleau authored
Make sure WebAssembly's js-api exposes the correct attributes: writable, enumerable and configurable. Bug: v8:8319 Change-Id: I427533159d7975a42c0c5cb1babdc8a61f8198b5 Reviewed-on: https://chromium-review.googlesource.com/c/1351002 Commit-Queue: Adam Klein <adamk@chromium.org> Reviewed-by:
Ben Smith <binji@chromium.org> Reviewed-by:
Deepti Gandluri <gdeepti@chromium.org> Cr-Commit-Position: refs/heads/master@{#58053}
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Tobias Tebbi authored
Bug: v8:7793 Change-Id: I12aae5d61a21f3e6e010e07622fe0d01a5ba03eb Reviewed-on: https://chromium-review.googlesource.com/c/1344118 Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Reviewed-by:
Daniel Clifford <danno@chromium.org> Cr-Commit-Position: refs/heads/master@{#58052}
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Caitlin Potter authored
A fancy new stdlib addition for creating JSObjects from a collection of key/value pairs, coming soon to a javascript runtime near you. BUG=v8:8021 R=gsathya@chromium.org, adamk@chromium.org Change-Id: I5eb1dea75bfef009281eef9864c8c0226af4f1fc Reviewed-on: https://chromium-review.googlesource.com/c/1363293Reviewed-by:
Sathya Gunasekaran <gsathya@chromium.org> Commit-Queue: Caitlin Potter <caitp@igalia.com> Cr-Commit-Position: refs/heads/master@{#58051}
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Ulan Degenbaev authored
Even though descriptor arrays are references by maps in the old generation, they seems to be short living in benchmarks. This fixes perf regressions introduced in 1ad0cd56. Bug:chromium:911073,chromium:910567,chromium:910443, Change-Id: Iaf933d409e72c6c26df48f6435f9543224ea7d67 Reviewed-on: https://chromium-review.googlesource.com/c/1363146Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Commit-Queue: Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#58050}
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Daniel Clifford authored
Intrinsic changes: - Rename %RawCast to %RawObjectCast and add error checking so that it only applies to subtypes of Objects. - Add %RawPointerCast, which is similar to %RawObjectCast but must be used for all subtypes of RawPtr. - Add %RawConstexprCast, which allows one constexpr to be be cast to another at compile time. It translate to an appropriate static_cast in the generated code - Add %FromConstexpr, which handles most of the standard cases of generating XXXConstant CSA nodes from constexpr constants. It uses either SmiConstant, NumberConstant, StringConstant, IntPtrConstant or Int32Constant, depending on the cast-to type generic <To> type. - Add support for intrinsics that return constexpr results. Cleanup: - Turn FromConstexpr into a generic with two generic types, a <To> and a <From> type. Most FromConstexpr can use the new %FromConstexpr intrinsic rather than provide an explicit implementation. Bug: v8:7793 Change-Id: Icab5db16d203034ec157fa3ad5157d10c7dc8464 Reviewed-on: https://chromium-review.googlesource.com/c/1357049 Commit-Queue: Daniel Clifford <danno@chromium.org> Reviewed-by:
Tobias Tebbi <tebbi@chromium.org> Cr-Commit-Position: refs/heads/master@{#58049}
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Predrag Rudic authored
This implementation uses mutex to implement those instructions. I will add 32-bit version LL/SC after review. Change-Id: I7b0e2b42527bc21060a84eb5e27099e129f2858f Reviewed-on: https://chromium-review.googlesource.com/c/1354462Reviewed-by:
Sreten Kovacevic <skovacevic@wavecomp.com> Commit-Queue: Predrag Rudic <prudic@wavecomp.com> Cr-Commit-Position: refs/heads/master@{#58048}
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Peter Marshall authored
Large code objects are allocated in CODE_LO_SPACE on the heap instead of CODE_SPACE. Add a test that checks that these objects are still considered 'InV8' according to the unwinder API. Bug: v8:8116 Change-Id: I65968913cd92858fac2b1a689df2904d0574641f Reviewed-on: https://chromium-review.googlesource.com/c/1363134Reviewed-by:
Yang Guo <yangguo@chromium.org> Commit-Queue: Peter Marshall <petermarshall@chromium.org> Cr-Commit-Position: refs/heads/master@{#58047}
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Peter Marshall authored
If the size of a large code object is larger than kMaxRegularHeapObjectSize, then it should be allocated in the large code space. Currently if the size is > kMaxRegularHeapObjectSize but < 512000, then it can still be allocated in the normal code space. Change-Id: I72dbd38803c3d5d414bae85e9e0b15482e50e1c2 Reviewed-on: https://chromium-review.googlesource.com/c/1363137Reviewed-by:
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Clemens Hammacher authored
We currently compute this value from the size of the external table, which we get from the Isolate. This size is isolate-independent though, so it can just be a constant. R=mstarzinger@chromium.org Bug: chromium:912043 Change-Id: If1c09a56b1a985b855f5b65818322979c194d772 Reviewed-on: https://chromium-review.googlesource.com/c/1362954Reviewed-by:
Jakob Gruber <jgruber@chromium.org> Reviewed-by:
Michael Starzinger <mstarzinger@chromium.org> Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#58045}
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Andreas Haas authored
The existing implementation embedded an isolate-specific pointer to the thread-in-wasm flag in the wrapper code. However, when the module code is shared among multiple workers, this can mean that the workers share the same thread-in-wasm flag. With this change we load the pointer to the flag at runtime from the current isolate. Thereby the correct flag is used even when the same code is executed on different workers. Note that we could access the right flag address by going through the root register. However, changing the code generation to use the root register requires some inconvenient steps: * Pass the isolate to the pipeline again, which we don't want. * Change the WasmCallDescriptor to allow the use of the root register for wrappers but not for other code. To avoid these issues, and allow the CL to be easy to merge back, we got for the changes proposed here. R=mstarzinger@chromium.org, ishell@chromium.org Bug: v8:8533 Change-Id: If15565a7ad7cba835cfc1628e7a4d3fdef90a5c0 Reviewed-on: https://chromium-review.googlesource.com/c/1358518 Commit-Queue: Andreas Haas <ahaas@chromium.org> Reviewed-by:
Igor Sheludko <ishell@chromium.org> Reviewed-by:
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Ben L. Titzer authored
If the input memory index into an atomic operation is a constant, we can statically check if the {index+offset} is aligned. R=herhut@chromium.org Change-Id: Ia830d7c7df10d50ed4ee3382acfef776306f249c Reviewed-on: https://chromium-review.googlesource.com/c/1362872 Commit-Queue: Ben Titzer <titzer@chromium.org> Reviewed-by:Stephan Herhut <herhut@chromium.org> Cr-Commit-Position: refs/heads/master@{#58043}
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Michael Achenbach authored
NOTRY=true TBR=sergiyb@chromium.org Bug: v8:8552 Change-Id: I096146072915f2d5baf5d4469421696cf31d72c2 Reviewed-on: https://chromium-review.googlesource.com/c/1363136Reviewed-by:
Michael Achenbach <machenbach@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#58042}
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Sergiy Belozorov authored
TBR=sergiyb@chromium.org Bug: chromium:907752 Change-Id: I06ef5a7e2cb96ebd0912c535e0ad7d8360831bbb Reviewed-on: https://chromium-review.googlesource.com/c/1362040Reviewed-by:
Sergiy Belozorov <sergiyb@chromium.org> Commit-Queue: Sergiy Belozorov <sergiyb@chromium.org> Cr-Commit-Position: refs/heads/master@{#58041}
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Yang Guo authored
Bug: chromium:905940, chromium:907343 R=verwaest@chromium.org Change-Id: Ibe8f06782f8a0bf9a09832d443e1c66c3bda8399 Reviewed-on: https://chromium-review.googlesource.com/c/1362046Reviewed-by:
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Sergiy Belozorov authored
R=machenbach@chromium.org No-Try: true No-Tree-Checks: true Bug: v8:8532 Change-Id: I2149c795a2d50ed794c0925d632e946b22c3e5d5 Reviewed-on: https://chromium-review.googlesource.com/c/1362042Reviewed-by:
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Marja Hölttä authored
We checked against kNotFound twice; once in TransitionsAccessor::SearchTransitions and once in TransitionArray::Search. It's unnecessary to check twice. In local tests, this speeds up searching for a non-existent transition in a 2-element TransitionArray by ~20%. BUG=v8:8547 Change-Id: Ic220c4c0bfeeacd9b81953efad212ed15168437e Reviewed-on: https://chromium-review.googlesource.com/c/1361167Reviewed-by:
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Jakob Gruber authored
Drive-by: Replace uses in CallApi* with a direct call now that they've been converted to builtins themselves and are thus immovable. Bug: v8:7777 Change-Id: I660b5788bdac4f5e45cc5c5677b86be17474cd83 Reviewed-on: https://chromium-review.googlesource.com/c/1361161 Commit-Queue: Jakob Gruber <jgruber@chromium.org> Reviewed-by:
Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#58037}
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Jakob Gruber authored
Bug: v8:7777 Change-Id: Iee3e03b0a3fea245408de4d675caa634a74aa188 Reviewed-on: https://chromium-review.googlesource.com/c/1357053Reviewed-by:
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Jaroslav Sevcik authored
This reverts commit a6669bdc. Reason for revert: Regresses Speedometer 2 (EmberJS-Debug-TodoMVC) Original change's description: > [constant-tracking] Track constants by default. > > It is possible this CL results in various regressions, the idea > is to get some data on where constant tracking helps and where > it regresses. > > Bug: v8:8361 > Change-Id: I2f291788a8bea03e6eaac9f51564c1da02734d1a > Reviewed-on: https://chromium-review.googlesource.com/c/1347474 > Commit-Queue: Jaroslav Sevcik <jarin@chromium.org> > Reviewed-by: Igor Sheludko <ishell@chromium.org> > Cr-Commit-Position: refs/heads/master@{#58008} TBR=jarin@chromium.org,ishell@chromium.org Change-Id: I1e2b18c34829e1f53ea287aae0ef7fcf88980341 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:8361 Reviewed-on: https://chromium-review.googlesource.com/c/1362047Reviewed-by:
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v8-ci-autoroll-builder authored
Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/f686dfc..9c85c83 Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/4feee58..58f2981 Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/d87b096..f28ef98 Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/558f684..0dea619 Rolling v8/tools/luci-go:infra/tools/luci/isolate/${platform}: https://chrome-infra-packages.appspot.com/infra/tools/luci/isolate/${platform}/+log/git_rev..git_rev TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org Change-Id: I7dc2bba96c14a275fd728e0567890eb0b21ea795 Reviewed-on: https://chromium-review.googlesource.com/c/1362171 Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com> Reviewed-by:
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Junliang Yan authored
R=joransiu@ca.ibm.com Change-Id: Ia8cb93f4d01e252ec6b3b538f795550768db5726 Reviewed-on: https://chromium-review.googlesource.com/c/1362083Reviewed-by:
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Frank Tang authored
The fix need to be cherrypick from ICU. Fix in https://github.com/unicode-org/icu/pull/286 Adds regression test for 8469. Bug: v8:8469 Change-Id: If173058dd1113782fcf2ff5a55f962721f46aba5 Reviewed-on: https://chromium-review.googlesource.com/c/1340733Reviewed-by:
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- 04 Dec, 2018 10 commits
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Ben Smith authored
The memory.init and memory.drop instructions have a data segment index that can only be validated by knowing the number of data segments. This information is provided by the new DataCount section. Bug: v8:7747 Change-Id: Ie04d57584fe028637f6e931ab53d00abc5b998a4 Reviewed-on: https://chromium-review.googlesource.com/c/1355624Reviewed-by:
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Junliang Yan authored
Port c6b0e12e Original Commit Message: This is the first (and major) step towards converting CallApiCallback and CallApiGetter stubs into builtins. The CallApiCallbackStub was parameterized with the number of arguments passed on the stack. This CL converts the compile-time parameter into an explicit runtime parameter, and removes all uses of the stub parameter. (kCallData and kHolder are now passed on the stack). R=jgruber@chromium.org, joransiu@ca.ibm.com, michael_dawson@ca.ibm.com BUG= LOG=N Change-Id: I171fbb7d37525c2087e5dd9d7ff8fb5f959f2a7a Reviewed-on: https://chromium-review.googlesource.com/c/1362163Reviewed-by:
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Sigurd Schneider authored
This reverts commit ed3d6472. Reason for revert: https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux%20-%20noi18n%20-%20debug/24178 Original change's description: > Reland "[code-comments] Put code comments into the code object" > > This is a reland of e774cffe > > This reland disables a test as v8:8548 is blocking it, which was > broken by a recent CL. CQ did not catch this because the merge-base > CQ used did not yet contain the CL that caused v8:8548. > > Original change's description: > > [code-comments] Put code comments into the code object > > > > Code comments in the snapshot can now be enabled with gn > > arg 'v8_enable_snapshot_code_comments' > > > > Bug: v8:7989 > > Change-Id: I8bd00cafa63132d00d849394c311ba15e6b6daf3 > > Reviewed-on: https://chromium-review.googlesource.com/c/1329173 > > Commit-Queue: Sigurd Schneider <sigurds@chromium.org> > > Reviewed-by: Jakob Gruber <jgruber@chromium.org> > > Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> > > Reviewed-by: Michael Stanton <mvstanton@chromium.org> > > Cr-Commit-Position: refs/heads/master@{#58020} > > TBR=mvstanton@chromium.org,mstarzinger@chromium.org,jgruber@chromium.org,tebbi@chromium.org > > Bug: v8:7989, v8:8548 > Change-Id: I464fc897205fefdf2dfc2eadc54d699c4e08a0e9 > Reviewed-on: https://chromium-review.googlesource.com/c/1361166 > Reviewed-by: Sigurd Schneider <sigurds@chromium.org> > Commit-Queue: Sigurd Schneider <sigurds@chromium.org> > Cr-Commit-Position: refs/heads/master@{#58028} TBR=mvstanton@chromium.org,mstarzinger@chromium.org,sigurds@chromium.org,jgruber@chromium.org Change-Id: I1075bb09de7cb8dad71e31ff51a4e7bb6a200a8b No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:7989, v8:8548 Reviewed-on: https://chromium-review.googlesource.com/c/1362043Reviewed-by:
Sigurd Schneider <sigurds@chromium.org> Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Cr-Commit-Position: refs/heads/master@{#58029}
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Sigurd Schneider authored
This is a reland of e774cffe This reland disables a test as v8:8548 is blocking it, which was broken by a recent CL. CQ did not catch this because the merge-base CQ used did not yet contain the CL that caused v8:8548. Original change's description: > [code-comments] Put code comments into the code object > > Code comments in the snapshot can now be enabled with gn > arg 'v8_enable_snapshot_code_comments' > > Bug: v8:7989 > Change-Id: I8bd00cafa63132d00d849394c311ba15e6b6daf3 > Reviewed-on: https://chromium-review.googlesource.com/c/1329173 > Commit-Queue: Sigurd Schneider <sigurds@chromium.org> > Reviewed-by: Jakob Gruber <jgruber@chromium.org> > Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> > Reviewed-by: Michael Stanton <mvstanton@chromium.org> > Cr-Commit-Position: refs/heads/master@{#58020} TBR=mvstanton@chromium.org,mstarzinger@chromium.org,jgruber@chromium.org,tebbi@chromium.org Bug: v8:7989, v8:8548 Change-Id: I464fc897205fefdf2dfc2eadc54d699c4e08a0e9 Reviewed-on: https://chromium-review.googlesource.com/c/1361166Reviewed-by:
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Sergiy Belozorov authored
R=machenbach@chromium.org No-Try: true No-Tree-Checks: true Bug: v8:8532 Change-Id: I42ec138c542f6fd48e52422a7064073d71d65216 Reviewed-on: https://chromium-review.googlesource.com/c/1361062 Commit-Queue: Sergiy Belozorov <sergiyb@chromium.org> Reviewed-by:
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tzik authored
%RunMicrotasks() call used to cause a nested RunMicrotasks if it's called from a microtask, and that breaks its invariants. This CL fixes it by disabling the nested loop. Change-Id: I2f4a81be0dbf0554abf6eb41b62c25465338f29a Reviewed-on: https://chromium-review.googlesource.com/c/1358036Reviewed-by:
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Junliang Yan authored
Port 6c8b4102 Original Commit Message: This is a reland of d5f4a33e Landing with test disabled for now. Original change's description: > [cpu-profiler] Fix stack iterability for fast C calls with no exit frame > > Before fast C calls, store the current FP and PC on the isolate. When > iterating frames in SafeStackFrameIterator, check if these fields are > set and start iterating at the calling frame's FP instead of the current > FP, which will be in C++ code. We need to do this because c_entry_fp is > not set on the Isolate for Fast-C-Calls because we don't build an exit > frame. > > This change makes stack samples that occur within 'Fast-C-Calls' > iterable, meaning we can properly attribute ticks within the JS caller. > > Fast-C-Calls can't call back into JS code, so we can only ever have one > such call on the stack at a time, allowing us to store the FP on the > isolate rather than the stack. > > TBR=v8-mips-ports@googlegroups.com > > Bug: v8:8464, v8:7202 > Change-Id: I7bf39eba779dad34754d5759d741c421b362a406 > Reviewed-on: https://chromium-review.googlesource.com/c/1340241 > Commit-Queue: Peter Marshall <petermarshall@chromium.org> > Reviewed-by: Jakob Gruber <jgruber@chromium.org> > Reviewed-by: Martyn Capewell <martyn.capewell@arm.com> > Reviewed-by: Alexei Filippov <alph@chromium.org> > Cr-Commit-Position: refs/heads/master@{#57896} R=petermarshall@chromium.org, joransiu@ca.ibm.com, michael_dawson@ca.ibm.com BUG= LOG=N Change-Id: Ie82eaa08ba6ceeb0c0a5bb4de251540becf1f05e Reviewed-on: https://chromium-review.googlesource.com/c/1361422Reviewed-by:
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Clemens Hammacher authored
This is a reland of c2aaf0a6 Original change's description: > [wasm][liftoff] Optimize one-armed ifs > > Do not implement one-armed ifs by emulating an empty else branch. In > Liftoff, we can generate better code and save compile time by handling > this specially. If the merge point at the end of the if is not reached > by the if-branch, we do not need to generate any merge code. > > R=titzer@chromium.org > > Bug: v8:6600, v8:8423 > Change-Id: Ie8ea69dd7491f225605a8e1b986d275d869aa90b > Reviewed-on: https://chromium-review.googlesource.com/c/1356508 > Commit-Queue: Clemens Hammacher <clemensh@chromium.org> > Reviewed-by: Ben Titzer <titzer@chromium.org> > Cr-Commit-Position: refs/heads/master@{#57968} Bug: v8:6600, v8:8423 Change-Id: I6d5eea9f860486768779a33bf6bd7b87cbfc2af0 Reviewed-on: https://chromium-review.googlesource.com/c/1361040Reviewed-by:
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Clemens Hammacher authored
Improve readability by avoiding a helper method. Just read from the stack directly. R=titzer@chromium.org Change-Id: I38c944fac45c721f328a2b7bec3a3f4602f05c05 Reviewed-on: https://chromium-review.googlesource.com/c/1360572 Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Reviewed-by:
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Mike Stanton authored
Building on https://chromium-review.googlesource.com/c/v8/v8/+/1349243, which asserted on calls to GetChars() that weren't in a DisallowHeapAllocation scope, this CL takes a reference to the scope in order to provide static protection in all builds. Bug: v8:8238 Change-Id: I481a1dbbd3ae57eb35c5f828c5e242691635be27 Reviewed-on: https://chromium-review.googlesource.com/c/1354038Reviewed-by:
Marja Hölttä <marja@chromium.org> Reviewed-by:
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