- 12 Feb, 2019 1 commit
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Georg Neis authored
This avoids confusion with the code that is being generated. R=sigurds@chromium.org Change-Id: Icb5bd417ca8502553af201654cca1419b9eac87d Reviewed-on: https://chromium-review.googlesource.com/c/1462001 Commit-Queue: Georg Neis <neis@chromium.org> Reviewed-by: Sigurd Schneider <sigurds@chromium.org> Cr-Commit-Position: refs/heads/master@{#59522}
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- 01 Feb, 2019 1 commit
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Jakob Gruber authored
This basically adjusts reality to match our expectations. Methods based on Code::kConstantPoolOffset expected the constant pool to be located immediately following the handler table and before the code comments section, while it was actually emitted before the jump table. We did not notice earlier since this is only relevant on ppc. Bug: v8:8758 Change-Id: I189af491fe133a7dc480ff4056372ba7a27faa81 Reviewed-on: https://chromium-review.googlesource.com/c/1445880 Commit-Queue: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Sigurd Schneider <sigurds@chromium.org> Reviewed-by: Junliang Yan <jyan@ca.ibm.com> Cr-Commit-Position: refs/heads/master@{#59299}
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- 30 Jan, 2019 1 commit
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Jakob Gruber authored
This is an initial step towards clarifying the layout of the instruction area. As follow-ups, we should remove additional safepoint and handler table offset parameters, and perhaps alter Code::safepoint_table_offset (handler_table) semantics to always contain a real offset and avoid the magic 0 signifying nonexistent tables. Bug: v8:8758 Change-Id: I9f54629ff3ddad69904b0e1ce2a58e047397aa15 Reviewed-on: https://chromium-review.googlesource.com/c/1434036 Commit-Queue: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Sigurd Schneider <sigurds@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#59202}
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- 21 Jan, 2019 2 commits
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Michael Starzinger authored
This removes the unused "argument count" field from the safepoint table as the field was unused by now and always contained the value zero. Also note that associating a callee's argument count with the call-site is not compatible with tail-call support. When tail-calling a function with a different number of arguments, the information associated with the call-site becomes stale. The number of arguments is a property of the callee, not of the call-site in the caller. For this reason the field in question is not usable to support reference types in function arguments (at least when tail-calls are also supported). R=ahaas@chromium.org Change-Id: If667d729267f2dd2642b755c54235cc08ca9b141 Reviewed-on: https://chromium-review.googlesource.com/c/1402548Reviewed-by: Andreas Haas <ahaas@chromium.org> Commit-Queue: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#58969}
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Clemens Hammacher authored
This is a reland of 4e1d7c87. Failure on arm and arm64 is fixed by https://crrev.com/c/1411885. Original change's description: > [wasm] Split compilation in three stages > > In order to refactor ownership between objects in wasm compilation, the > compilation (executed by background tasks) is split in three stages: > getting a compilation unit (while holding a mutex), executing the work > (without any mutex and without keeping the NativeModule alive), and > submitting the work (with a mutex again). > > This CL prepares this design by splitting compilation from submission. > Both steps are still executed right after each other. This will be > changed in a follow-up CL. > > R=titzer@chromium.org > CC=mstarzinger@chromium.org > > Bug: v8:8689 > Change-Id: I2f92aee8e2f2d45470d8c63314ed026341630902 > Reviewed-on: https://chromium-review.googlesource.com/c/1414920 > Reviewed-by: Ben Titzer <titzer@chromium.org> > Commit-Queue: Clemens Hammacher <clemensh@chromium.org> > Cr-Commit-Position: refs/heads/master@{#58929} TBR=titzer@chromium.org Bug: v8:8689 Change-Id: I58ff07d0e0ac8df0f6ee23c416f992954f4673d2 Reviewed-on: https://chromium-review.googlesource.com/c/1422748Reviewed-by: Clemens Hammacher <clemensh@chromium.org> Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#58959}
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- 18 Jan, 2019 2 commits
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Michael Achenbach authored
This reverts commit 4e1d7c87. Reason for revert: https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux%20-%20arm%20-%20sim%20-%20debug/14986 Original change's description: > [wasm] Split compilation in three stages > > In order to refactor ownership between objects in wasm compilation, the > compilation (executed by background tasks) is split in three stages: > getting a compilation unit (while holding a mutex), executing the work > (without any mutex and without keeping the NativeModule alive), and > submitting the work (with a mutex again). > > This CL prepares this design by splitting compilation from submission. > Both steps are still executed right after each other. This will be > changed in a follow-up CL. > > R=titzer@chromium.org > CC=mstarzinger@chromium.org > > Bug: v8:8689 > Change-Id: I2f92aee8e2f2d45470d8c63314ed026341630902 > Reviewed-on: https://chromium-review.googlesource.com/c/1414920 > Reviewed-by: Ben Titzer <titzer@chromium.org> > Commit-Queue: Clemens Hammacher <clemensh@chromium.org> > Cr-Commit-Position: refs/heads/master@{#58929} TBR=titzer@chromium.org,clemensh@chromium.org Change-Id: Ic3d0287b354ef5f834b76bc2cdc096d2231f4477 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:8689 Reviewed-on: https://chromium-review.googlesource.com/c/1422917Reviewed-by: Michael Achenbach <machenbach@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#58932}
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Clemens Hammacher authored
In order to refactor ownership between objects in wasm compilation, the compilation (executed by background tasks) is split in three stages: getting a compilation unit (while holding a mutex), executing the work (without any mutex and without keeping the NativeModule alive), and submitting the work (with a mutex again). This CL prepares this design by splitting compilation from submission. Both steps are still executed right after each other. This will be changed in a follow-up CL. R=titzer@chromium.org CC=mstarzinger@chromium.org Bug: v8:8689 Change-Id: I2f92aee8e2f2d45470d8c63314ed026341630902 Reviewed-on: https://chromium-review.googlesource.com/c/1414920Reviewed-by: Ben Titzer <titzer@chromium.org> Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#58929}
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- 21 Dec, 2018 3 commits
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Sigurd Schneider authored
This is a reland of f63a657e Original change's description: > [deoptimizer] Refactor GenerateDeoptimizationEntries > > This reduces preprocessor-expanded source size by 64,359 from > > gen ( 21 files): 71,570 to 1,613,100 ( 23x) > src ( 624 files): 367,830 to 52,964,659 ( 144x) > test ( 392 files): 490,924 to 37,360,916 ( 76x) > third_party ( 432 files): 239,085 to 9,547,902 ( 40x) > total ( 1521 files): 1,184,093 to 102,461,098 ( 87x) > > to > > gen ( 21 files): 71,570 to 1,613,100 ( 23x) > src ( 624 files): 367,837 to 52,919,005 ( 144x) > test ( 392 files): 490,924 to 37,342,211 ( 76x) > third_party ( 432 files): 239,085 to 9,547,902 ( 40x) > total ( 1521 files): 1,184,100 to 102,396,739 ( 86x) > > Bug: v8:8562 > Change-Id: Iee474e22ababa1e080b8d6359af4d0076903e59a > Reviewed-on: https://chromium-review.googlesource.com/c/1384091 > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> > Commit-Queue: Sigurd Schneider <sigurds@chromium.org> > Cr-Commit-Position: refs/heads/master@{#58424} TBR=jarin@chromium.org,ulan@chromium.org Bug: v8:8562 Change-Id: I7a8a350414941f49c6155ff43e36e0cb0b2006e5 Reviewed-on: https://chromium-review.googlesource.com/c/1387497Reviewed-by: Sigurd Schneider <sigurds@chromium.org> Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Cr-Commit-Position: refs/heads/master@{#58437}
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Sigurd Schneider authored
This reverts commit f63a657e. Reason for revert: breaks compile on lite mode: https://logs.chromium.org/logs/v8/buildbucket/cr-buildbucket.appspot.com/8926535782549686576/+/steps/build/0/steps/compile/0/stdout Original change's description: > [deoptimizer] Refactor GenerateDeoptimizationEntries > > This reduces preprocessor-expanded source size by 64,359 from > > gen ( 21 files): 71,570 to 1,613,100 ( 23x) > src ( 624 files): 367,830 to 52,964,659 ( 144x) > test ( 392 files): 490,924 to 37,360,916 ( 76x) > third_party ( 432 files): 239,085 to 9,547,902 ( 40x) > total ( 1521 files): 1,184,093 to 102,461,098 ( 87x) > > to > > gen ( 21 files): 71,570 to 1,613,100 ( 23x) > src ( 624 files): 367,837 to 52,919,005 ( 144x) > test ( 392 files): 490,924 to 37,342,211 ( 76x) > third_party ( 432 files): 239,085 to 9,547,902 ( 40x) > total ( 1521 files): 1,184,100 to 102,396,739 ( 86x) > > Bug: v8:8562 > Change-Id: Iee474e22ababa1e080b8d6359af4d0076903e59a > Reviewed-on: https://chromium-review.googlesource.com/c/1384091 > Reviewed-by: Ulan Degenbaev <ulan@chromium.org> > Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> > Commit-Queue: Sigurd Schneider <sigurds@chromium.org> > Cr-Commit-Position: refs/heads/master@{#58424} TBR=ulan@chromium.org,jarin@chromium.org,sigurds@chromium.org Change-Id: I06e6f95255a3cea6a428713e9e841781425dffe8 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:8562 Reviewed-on: https://chromium-review.googlesource.com/c/1387494Reviewed-by: Sigurd Schneider <sigurds@chromium.org> Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Cr-Commit-Position: refs/heads/master@{#58425}
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Sigurd Schneider authored
This reduces preprocessor-expanded source size by 64,359 from gen ( 21 files): 71,570 to 1,613,100 ( 23x) src ( 624 files): 367,830 to 52,964,659 ( 144x) test ( 392 files): 490,924 to 37,360,916 ( 76x) third_party ( 432 files): 239,085 to 9,547,902 ( 40x) total ( 1521 files): 1,184,093 to 102,461,098 ( 87x) to gen ( 21 files): 71,570 to 1,613,100 ( 23x) src ( 624 files): 367,837 to 52,919,005 ( 144x) test ( 392 files): 490,924 to 37,342,211 ( 76x) third_party ( 432 files): 239,085 to 9,547,902 ( 40x) total ( 1521 files): 1,184,100 to 102,396,739 ( 86x) Bug: v8:8562 Change-Id: Iee474e22ababa1e080b8d6359af4d0076903e59a Reviewed-on: https://chromium-review.googlesource.com/c/1384091Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Cr-Commit-Position: refs/heads/master@{#58424}
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- 19 Dec, 2018 1 commit
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Sigurd Schneider authored
This refactoring reduces the LoC after preprocessor expansion by 370,322 gen ( 21 files): 71,503 to 1,631,168 ( 23x) src ( 624 files): 367,639 to 53,231,764 ( 145x) test ( 392 files): 490,770 to 37,450,839 ( 76x) third_party ( 432 files): 239,085 to 9,547,902 ( 40x) total ( 1521 files): 1,183,681 to 102,836,194 ( 87x) gen ( 21 files): 71,503 to 1,613,222 ( 23x) src ( 624 files): 367,634 to 52,964,046 ( 144x) test ( 392 files): 490,771 to 37,366,181 ( 76x) third_party ( 432 files): 239,085 to 9,547,902 ( 40x) total ( 1521 files): 1,183,677 to 102,465,872 ( 87x) Bug: v8:8562 Change-Id: Ib4e771c37471a2ff19c5538e62c038943cc74eaf Reviewed-on: https://chromium-review.googlesource.com/c/1382469Reviewed-by: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Toon Verwaest <verwaest@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Reviewed-by: Georg Neis <neis@chromium.org> Reviewed-by: Clemens Hammacher <clemensh@chromium.org> Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Cr-Commit-Position: refs/heads/master@{#58349}
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- 13 Dec, 2018 3 commits
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Sigurd Schneider authored
This is a reland of 9c0a4858 Original change's description: > Reland "Reland "[code-comments] Put code comments into the code object"" > > This is a reland of ed3d6472 > > This reland fixes that padding at the end of Wasm instruction streams > triggered asserts in the code printer. > > 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} > > Bug: v8:7989, v8:8548 > Change-Id: I254f55ff687ad049f8d92b09331ed26a2bd05d7d > Reviewed-on: https://chromium-review.googlesource.com/c/1371784 > Commit-Queue: Sigurd Schneider <sigurds@chromium.org> > Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> > Reviewed-by: Jakob Gruber <jgruber@chromium.org> > Cr-Commit-Position: refs/heads/master@{#58221} TBR=jgruber@chromium.org,mstarzinger@chromium.org Bug: v8:7989, v8:8548, v8:8593 Change-Id: I4f7ffc98e0281c7b744eb4a04ba0763896c7b59b Reviewed-on: https://chromium-review.googlesource.com/c/1375919Reviewed-by: Sigurd Schneider <sigurds@chromium.org> Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Cr-Commit-Position: refs/heads/master@{#58232}
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Clemens Hammacher authored
This reverts commit 9c0a4858. Reason for revert: Seems to break nosnap debug: https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux%20-%20nosnap%20-%20debug/22228 Original change's description: > Reland "Reland "[code-comments] Put code comments into the code object"" > > This is a reland of ed3d6472 > > This reland fixes that padding at the end of Wasm instruction streams > triggered asserts in the code printer. > > 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} > > Bug: v8:7989, v8:8548 > Change-Id: I254f55ff687ad049f8d92b09331ed26a2bd05d7d > Reviewed-on: https://chromium-review.googlesource.com/c/1371784 > Commit-Queue: Sigurd Schneider <sigurds@chromium.org> > Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> > Reviewed-by: Jakob Gruber <jgruber@chromium.org> > Cr-Commit-Position: refs/heads/master@{#58221} TBR=mvstanton@chromium.org,mstarzinger@chromium.org,sigurds@chromium.org,jgruber@chromium.org Change-Id: I681a3c63120c6ab953bfe9cd2b07bcf560ebfdee No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:7989, v8:8548 Reviewed-on: https://chromium-review.googlesource.com/c/1375916 Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Reviewed-by: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#58228}
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Sigurd Schneider authored
This is a reland of ed3d6472 This reland fixes that padding at the end of Wasm instruction streams triggered asserts in the code printer. 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} Bug: v8:7989, v8:8548 Change-Id: I254f55ff687ad049f8d92b09331ed26a2bd05d7d Reviewed-on: https://chromium-review.googlesource.com/c/1371784 Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Jakob Gruber <jgruber@chromium.org> Cr-Commit-Position: refs/heads/master@{#58221}
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- 04 Dec, 2018 4 commits
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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: Sigurd Schneider <sigurds@chromium.org> Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Cr-Commit-Position: refs/heads/master@{#58028}
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Leszek Swirski authored
This reverts commit e774cffe. Reason for revert: Breaks OptimizeForSize tests https://logs.chromium.org/logs/v8/buildbucket/cr-buildbucket.appspot.com/8928056438104852432/+/steps/OptimizeForSize/0/logs/TestCodeAssemblerCode../0 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,sigurds@chromium.org,jgruber@chromium.org Change-Id: Ie336a99218db4def848bd5c8c58dfb66f0e372b2 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: v8:7989 Reviewed-on: https://chromium-review.googlesource.com/c/1361165Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/master@{#58021}
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Sigurd Schneider authored
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}
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- 12 Nov, 2018 2 commits
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Jaroslav Sevcik authored
With this change, the return value is not baked into the translations for lazy deoptimization point. Instead, the translation contains a position where the return value(s) should be written by the deoptimizer. The deoptimizer then constructs the frame as it would look before and during the call and then overwrites the relevant slot(s) with the return value(s) from the callee. The advantage is that we do not run the risk of overwriting captured objects in the tranlations. Moreover, the translations correctly reflect the frame during the call (e.g., if it is inspected by the debugger or if an exception is thrown and no value is returned). Bug: chromium:902608 Change-Id: I03824f0efec3dd476feacbcc0ab6102c3e6c94bf Reviewed-on: https://chromium-review.googlesource.com/c/1329203 Commit-Queue: Jaroslav Sevcik <jarin@chromium.org> Reviewed-by: Sigurd Schneider <sigurds@chromium.org> Cr-Commit-Position: refs/heads/master@{#57446}
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Ben L. Titzer authored
This CL splits the backend of TurboFan off into its own directory, without changing namespaces. This makes ownership management a bit more fine-grained with a logical separation. R=mstarzinger@chromium.org,jarin@chromium.org,adamk@chromium.org Change-Id: I2ac40d6ca2c4f04b8474b630aae0286ecf79ef42 Reviewed-on: https://chromium-review.googlesource.com/c/1308333 Commit-Queue: Ben Titzer <titzer@chromium.org> Reviewed-by: Adam Klein <adamk@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#57437}
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- 20 Sep, 2018 1 commit
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Igor Sheludko authored
and introduce RootsTable - a V8 heap roots storage. So, the renaming part looks like this: Heap::RootListIndex -> RootIndex Heap::kBlahBlahRootIndex -> RootIndex::kBlahBlah Bug: v8:8015, v8:8182 Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng Change-Id: I38e1f3e3f6813ef35e37b0bed35e9ae14a62134f Reviewed-on: https://chromium-review.googlesource.com/1234613Reviewed-by: Toon Verwaest <verwaest@chromium.org> Reviewed-by: Hannes Payer <hpayer@chromium.org> Reviewed-by: Tobias Tebbi <tebbi@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Igor Sheludko <ishell@chromium.org> Cr-Commit-Position: refs/heads/master@{#56067}
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- 19 Sep, 2018 1 commit
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Maya Lekova authored
This CL implements the following design doc: https://docs.google.com/document/d/1h5kdfemMQMpUd15PSKW1lqikJW5hsGwrmOvoqhGFRts/edit?ts=5b978756#heading=h.urs7r34mx9p Bug: v8:7790 Change-Id: I5f758c6d906ea9275c30b28f339063c64a2dc8d8 Reviewed-on: https://chromium-review.googlesource.com/1221807Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Commit-Queue: Maya Lekova <mslekova@chromium.org> Cr-Commit-Position: refs/heads/master@{#56021}
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- 23 Aug, 2018 1 commit
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Ben L. Titzer authored
The WasmCompilationData was a struct that served as an input/output mechanism for communicating with the code generator. In particular, it contained a flag for enabling runtime exception for WASM in the code generator and it also gathered the protected instruction info from the code generator to be communicated to the WasmCodeManager. This CL inlines the exception support flag into OptimizedCompilationInfo and the protected instruction information into the code generator, along the lines of other flags and data structures created by the code generator. R=mstarzinger@chromium.org Change-Id: If436636067f1a829a095310a73045fe3301cb694 Reviewed-on: https://chromium-review.googlesource.com/1186409 Commit-Queue: Ben Titzer <titzer@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#55358}
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- 09 Jul, 2018 1 commit
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Sigurd Schneider authored
Bug: v8:6666 Change-Id: I5940e957452d47edac243898fa7cddf772b54e72 Reviewed-on: https://chromium-review.googlesource.com/1127057 Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Jakob Gruber <jgruber@chromium.org> Cr-Commit-Position: refs/heads/master@{#54327}
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- 06 Jul, 2018 1 commit
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Sigurd Schneider authored
This CL surfaces AssemblerOptions to CodeAssembler::GenerateCode and to pipeline methods. To allow forward declaring AssemblerOptions, AssemblerBase::Options was moved out of the AssemblerBase class. Bug: v8:6666 Change-Id: If9fc50d3d4767bb5dd39a0c3b6e094021f4cae2b Reviewed-on: https://chromium-review.googlesource.com/1127039 Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Jakob Gruber <jgruber@chromium.org> Cr-Commit-Position: refs/heads/master@{#54286}
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- 22 Jun, 2018 1 commit
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Michael Starzinger authored
This changes the WebAssembly pipeline to no longer expect source position tables for {WasmCode} to be allocated on the GC'ed heap. R=clemensh@chromium.org BUG=v8:7721 Change-Id: Ib2c6e3d0840e47b83809f60519c0d1b94af186af Reviewed-on: https://chromium-review.googlesource.com/1109686 Commit-Queue: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#53961}
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- 19 Jun, 2018 2 commits
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Tobias Tebbi authored
Bug: chromium:849098 Change-Id: Iec81d08cf6edb6040445650cadf802a34b65b8e1 Reviewed-on: https://chromium-review.googlesource.com/1092749 Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Reviewed-by: Clemens Hammacher <clemensh@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Cr-Commit-Position: refs/heads/master@{#53843}
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Sigurd Schneider authored
TurboFan returned null handles if compilation did not succeed. This CL changes that to a MaybeHandle to make it explicit that client code needs to handle the error. Bug: v8:7856 Change-Id: I6087e6263faa1150b9788213dd22c398b4a2fc2d Reviewed-on: https://chromium-review.googlesource.com/1104688 Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Georg Neis <neis@chromium.org> Cr-Commit-Position: refs/heads/master@{#53824}
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- 13 Jun, 2018 2 commits
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Sigurd Schneider authored
Bug: v8:7327 Change-Id: I6f378f0d36444e8413dfe7ad3e097091e3b86df1 Reviewed-on: https://chromium-review.googlesource.com/1098919 Commit-Queue: Sigurd Schneider <sigurds@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Cr-Commit-Position: refs/heads/master@{#53712}
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Michael Starzinger authored
This uses a WebAssembly runtime stub for the out-of-line {DoubleToI} computation instead of a builtin specific to a certain Isolate. It is another step towards making {WasmCode} independent of the Isolate. R=clemensh@chromium.org BUG=v8:7424 Change-Id: Ifdaa8e2511b67468d75e0e4aaf70010ced04a11a Reviewed-on: https://chromium-review.googlesource.com/1098672 Commit-Queue: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Clemens Hammacher <clemensh@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Cr-Commit-Position: refs/heads/master@{#53702}
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- 30 Apr, 2018 1 commit
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Jaroslav Sevcik authored
The idea is to mark all the branches and loads participating in array bounds checks, and let them contribute-to/use the poisoning register. In the code, the marks for array indexing operations now contain "Critical" in their name. By default (--untrusted-code-mitigations), we only instrument the "critical" operations with poisoning. With that in place, we also remove the array masking approach based on arithmetic. Since we do not propagate the poison through function calls, we introduce a node for poisoning an index that is passed through function call - the typical example is the bounds-checked index that is passed to the CharCodeAt builtin. Most of the code in this CL is threads through the three levels of protection (safe, critical, unsafe) for loads, branches and flags. Bug: chromium:798964 Change-Id: Ief68e2329528277b3ba9156115b2a6dcc540d52b Reviewed-on: https://chromium-review.googlesource.com/995413 Commit-Queue: Jaroslav Sevcik <jarin@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#52883}
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- 10 Apr, 2018 1 commit
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Jaroslav Sevcik authored
This re-enables stack pointer poisoning with untrusted code mitigations. Bug: chromium:798964 Change-Id: I68b60641efefccbf0c4fd81c54809777feabc4be Reviewed-on: https://chromium-review.googlesource.com/1002563Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Commit-Queue: Jaroslav Sevcik <jarin@chromium.org> Cr-Commit-Position: refs/heads/master@{#52518}
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- 04 Apr, 2018 2 commits
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Ross McIlroy authored
With the Ignition + Turbofan pipeline there is very little overlap between the data needed for unoptimized compilation and optimized compilation. As a result, it is cleaner to split up the CompilationInfo into UnoptimizedCompilationInfo and OptimizedCompilationInfo. Doing so also necessitate splitting up CompilationJob into UnoptimizedCompilationJob and OptimizedCompilationJob - again there is not much overlap so this seems cleaner. Change-Id: I1056ad520937b7f8582e4fc3ca8f4910742de30a Reviewed-on: https://chromium-review.googlesource.com/995895 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#52369}
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Eric Holk authored
The first part of this change updates StoreMem_offset_oob_i64 to use one page of Wasm memory, rather than just a few bytes. Using less than a page was out of spec for Wasm anyway, so this is better. This required a small change in the test runner to set and clear the thread_in_wasm flag around Wasm calls. This was accomplished by a ThreadInWasmScope convenience class. The majority of the changes are because the cctest environment does not support runtime exceptions. In the code generator, where we used to throw a WasmMemOutOfBounds exception, we now need to call out to the test hook instead if runtime exceptions are not supported. This involved plumbing the runtime_exception_support flag down to the code generator. Rather than adding and shuffling around extra parameters everywhere, this CL packages the previous protected instruction list in a new WasmCompilationData object that now includes the runtime_exception_support flag as well. Bug: v8:5277 Change-Id: Ic9c9e5a53a07a7773b58c0aee7c26bbd2ddf82f3 Reviewed-on: https://chromium-review.googlesource.com/989017 Commit-Queue: Eric Holk <eholk@chromium.org> Reviewed-by: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#52368}
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- 27 Mar, 2018 1 commit
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Tobias Tebbi authored
This CL changes the poisoning in the interpreter to use the infrastructure used in the JIT. This does not change the original flag semantics: --branch-load-poisoning enables JIT mitigations as before. --untrusted-code-mitigation enables the interpreter mitigations (now realized using the compiler back-end), but does not enable the back-end based mitigations for the Javascript JIT. So in effect --untrusted-code-mitigation makes the CSA pipeline for bytecode handlers use the same mechanics (including changed register allocation) that --branch-load-poisoning enables for the JIT. Bug: chromium:798964 Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel Change-Id: If7f6852ae44e32e6e0ad508e9237f24dec7e5b27 Reviewed-on: https://chromium-review.googlesource.com/928881Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Commit-Queue: Tobias Tebbi <tebbi@chromium.org> Cr-Commit-Position: refs/heads/master@{#52243}
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- 27 Feb, 2018 1 commit
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Michael Starzinger authored
This changes the encoding of the {HandlerTable} from an array of Smi values to a byte array. It allows embedding of said array into the instruction stream of {Code} objects (similar to how safepoint tables work). For interpreted bytecode the table is attached as a {ByteArray} to the bytecode. The advantage of this approach is a more compact encoding and also the ability to move such tables easily off the GC'ed heap if needed (as is done for WebAssembly code for example). R=jarin@chromium.org Change-Id: I3320415dff69b3d1053825bda0d667a28232bf6d Reviewed-on: https://chromium-review.googlesource.com/934642 Commit-Queue: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#51589}
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- 26 Feb, 2018 1 commit
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Michael Starzinger authored
This adds support for poisoning the stack pointer and implicit register arguments like the context register and the function register in the prologue of generated code with JavaScript linkage. The speculation poison is computed similarly to the interpreter by matching expected with actual code start addresses. R=jarin@chromium.org,rmcilroy@chromium.org BUG=chromium:798964 Change-Id: I5fa48844745459cf7b3d00c407a7b835f61c857b Reviewed-on: https://chromium-review.googlesource.com/919167 Commit-Queue: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#51553}
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- 13 Feb, 2018 2 commits
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Mike Stanton authored
This introduces masking of loads with speculation bit during code generation. At the moment, this is done only for x64 optimized code, under the --branch-load-poisoning flag. Overview of changes: - new register configuration configuration with one register reserved for the speculation poison/mask (kSpeculationPoisonRegister). - in codegen, we introduce an update to the poison register at the starts of all successors of branches (and deopts) that are marked as safety branches (deopts). - in memory optimizer, we lower all field and element loads to PoisonedLoads. - poisoned loads are then masked in codegen with the poison register. * only integer loads are masked at the moment. Bug: chromium:798964 Change-Id: Ie51fdbde578fc289dff029794f3cfe8eaf33e1ef Reviewed-on: https://chromium-review.googlesource.com/901625 Commit-Queue: Michael Stanton <mvstanton@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{#51272}
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Michael Starzinger authored
This decouples the checking of the {kJavaScriptCallCodeStartRegister} from the deoptimization checks. We now rely more heavily on the above register and should check its validity more broadly. Note that there also is a bug fix for the ARM port contained in this change. R=mvstanton@chromium.org Change-Id: I27d8b72cb2b36a85dae4bbbf35e4dbcf150eac01 Reviewed-on: https://chromium-review.googlesource.com/916242 Commit-Queue: Michael Stanton <mvstanton@chromium.org> Reviewed-by: Michael Stanton <mvstanton@chromium.org> Cr-Commit-Position: refs/heads/master@{#51270}
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- 12 Feb, 2018 1 commit
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Ross McIlroy authored
Moves generation of speculation poison to be based on the PC target vs the actual PC being executed. The speculation poison is generated in the prologue of the generated code if CompilationInfo::kGenerateSpeculationPoison is set. The result is stored in a known register, which can then be read using the SpeculationPoison machine node. Currently we need to ensure the SpeculationPoison node is scheduled right after the code prologue so that the poison register doesn't get clobbered. This is currently not verified, however it's only use is in RawMachineAssembler where it is manually scheduled early. The Ignition bytecode handlers are updated to use this speculation poison rather than one generated by comparing the target bytecode. BUG=chromium:798964 Change-Id: I2a3d0cfc694e88d7a8fe893282bd5082f693d5e2 Reviewed-on: https://chromium-review.googlesource.com/893160 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#51229}
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