Now that no harmony-flagged features are implemented in experimental
JS, most of this is simply dead code.
As PostExperimentals() is no longer needed, I also removed the use of
Import() in the debug context, allowing the deletion of PostDebug()
along with PostExperimentals(); cleanup code is moved to the
end of PostNatives.
Also gets rid of some longer-dead code in prologue.js related to
TypedArrays, and some duplicate code for setting up SharedArrayBuffer
builtins.
Review-Url: https://codereview.chromium.org/2705293004
Cr-Commit-Position: refs/heads/master@{#43418}
The DescriptorInterceptor should intercept all
Object.getOwnPropertyDescriptor calls. This CL fixes
the interceptor's behavior if the iterator state is
ACCESS_CHECK.
BUG=
Review-Url: https://codereview.chromium.org/2707263002
Cr-Commit-Position: refs/heads/master@{#43417}
Marking it as callable makes typeof return 'function' instead of
'object' when invoked on a remote context or object.
BUG=chromium:527190
Review-Url: https://codereview.chromium.org/2715593002
Cr-Commit-Position: refs/heads/master@{#43416}
If the RHS is 0 and we have Smi feedback, speculate that the result (the LHS)
will continue to be in the Unsigned31 range. This helps us avoid converting
the result to double when merging with Signed32.
R=jarin@chromium.org
BUG=
Review-Url: https://codereview.chromium.org/2709423002
Cr-Commit-Position: refs/heads/master@{#43415}
This is a refactoring CL in preparation for implementing asynchronous compilation.
It moves all the compilation-related functionality to a helper class which will
make it easier to split into background and foreground tasks which is needed
for concurrent/synchronous execution of compilation.
R=clemensh@chromium.org,ahaas@chromium.org
BUG=v8:6003
Review-Url: https://codereview.chromium.org/2710603006
Cr-Commit-Position: refs/heads/master@{#43413}
Adds a perf test for constructing a TypedArray from a regular array,
and from a pre-made ArrayBuffer. Runs both new tests with default and
future configurations for comparison.
BUG=v8:5977
Change-Id: Idd132ca879702c54b2947a0e57ed8fe782f2767f
Reviewed-on: https://chromium-review.googlesource.com/446342
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43412}
This is also needed so that PreParser doesn't need to gather more data for arrow
function params in order to create the uninteresting varblock scopes matching
the scopes created in Parser::BuildParameterInitializationBlock.
This cancels the changes in https://chromium-review.googlesource.com/c/444747
which make PreParser create uninteresting scopes for the normal (non-arrow)
function "eval in default param" case.
R=vogelheim@chromium.org
BUG=v8:5516
Change-Id: I8957ac0796d8738c63492f7928bca6f00e4b4241
Reviewed-on: https://chromium-review.googlesource.com/446339
Reviewed-by: Daniel Vogelheim <vogelheim@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43411}
This is a preliminary cleanup necessary for the actual fix of the associated issue.
BUG=chromium:688734
Change-Id: Iecd39ed4cef34c6cc5d9652c5569e048f0db46af
Reviewed-on: https://chromium-review.googlesource.com/446341
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43410}
The only remaining allowed occurence of a context is in WASM_TO_JS
code, which is regenerated for each instance.
This CL removes all the rest, to avoid subtle bugs where we might
forget to patch it. By renaming the BuildCallToRuntime method, we make
sure that noone accidentially calls the version which embeds a context.
For consistency, I even remove it from the WasmRunInterpreter stub,
which is never reused for new instantiations.
R=titzer@chromium.org
Review-Url: https://codereview.chromium.org/2708743003
Cr-Commit-Position: refs/heads/master@{#43409}
In instruction selector, in the reduction of Word64And(Word64Shr(val,0),
0xFFF...) to EXT instruction, the case where shift value is 0 and mask is
0xFFFFFFFFFFFFFFFF was not supported. We now generate NOP for this case
since no bit extraction is necessary.
We implement the same behavior for MIPS32 even though there are no tests
that are failing.
TEST=cctest/test-run-machops/Regression5951
BUG=
Review-Url: https://codereview.chromium.org/2718433002
Cr-Commit-Position: refs/heads/master@{#43408}
We can make Heap::UpdateAllocationSite cheaper for TurboFan, because
there's no need to check for allocation mementos on Strings in case of
the TurboFan pipeline.
R=mvstanton@chromium.org
Review-Url: https://codereview.chromium.org/2710303002
Cr-Commit-Position: refs/heads/master@{#43407}
This is used for internal security checks in eval(). Expose this to
enable the embedder to implement similar security checks.
R=yangguo@chromium.org
BUG=
Change-Id: I10819713b19527622de5ffffac313d126a887c05
Reviewed-on: https://chromium-review.googlesource.com/446106
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Jochen Eisinger <jochen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43405}
Reason for revert:
breaks presubmit on CI which runs checkdeps
Original issue's description:
> [inspector] removed unused #include "include/v8-debug.h"
>
> We don't call any of v8::Debug methods in src/inspector codebase and should use debug-interface.h instead.
>
> BUG=none
> R=dgozman@chromium.org
>
> Review-Url: https://codereview.chromium.org/2710243002
> Cr-Commit-Position: refs/heads/master@{#43398}
> Committed: 838b1a8841TBR=dgozman@chromium.org,kozyatinskiy@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=none
Review-Url: https://codereview.chromium.org/2719433002
Cr-Commit-Position: refs/heads/master@{#43404}
Enable using BaseWithIndexAndDisplacement addressing mode for an address
used by multiple load/stores. It can reduce one instruction to calculate
the address and one register to store the address.
BUG=
Review-Url: https://codereview.chromium.org/2620293004
Cr-Commit-Position: refs/heads/master@{#43402}
For a + b, where both a and b are known strings at compile
time, and the combined length of a and b doesn't overflow
the maximum allowed string length, we can constant-fold the
string concatenation during compilation.
R=yangguo@chromium.org
Review-Url: https://codereview.chromium.org/2713093003
Cr-Commit-Position: refs/heads/master@{#43401}
Adding a full run of checkdeps to tools/presubmit.py so that we keep
checkdeps green. PRESUBMIT.py checks only incremental changes.
Temporarily disabling a check rule that's broker in the inspector,
pending owners fix.
BUG=
R=machenbach@chromium.org,dgozman@chromium.org,eholk@chromium.org
Review-Url: https://codereview.chromium.org/2705333005
Cr-Commit-Position: refs/heads/master@{#43397}
This reverts commit 8307ab709d.
Reason for revert: Breaks TSAN
Original change's description:
> [Counters] Add HistorgramTimers for optimized compile.
>
> Will be used for UMA to track time spent optimizing code in the wild.
>
> Change-Id: Ibc01540552eac4cb9224f1cb6cc11a55aae5834d
> Reviewed-on: https://chromium-review.googlesource.com/444345
> Reviewed-by: Michael Stanton <mvstanton@chromium.org>
> Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#43374}
TBR=rmcilroy@chromium.org,mvstanton@chromium.org,machenbach@chromium.org,hablich@chromium.org
# Not skipping CQ checks because original CL landed > 1 day ago.
Change-Id: I1cfc2ee599b9ba0132e69c8a61b21ff32c74f68e
Reviewed-on: https://chromium-review.googlesource.com/446360
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43396}
The source code of those functions is simple a ternary operator, and
the test seems to have been designed as a "regression" test for the
previous implementation (which used a macro, and thus evaluated its
arguments multiple times).
I don't think the test is worth the weight of supporting importing
JS natives from tests.
This patch removes the last test that depends on JS natives.
R=littledan@chromium.org
Review-Url: https://codereview.chromium.org/2711833002
Cr-Commit-Position: refs/heads/master@{#43394}
The entry points to the deserializer are responsible for ensuring that an
exception is pending by the time they return. Some failures throw exceptions
themselves, while others (like errors in the format) are exceptions caused by
the deserializer, not coming from the runtime.
Like the non-legacy path, a default deserialization exception should be thrown
in such cases.
BUG=chromium:693411
Review-Url: https://codereview.chromium.org/2712713002
Cr-Commit-Position: refs/heads/master@{#43390}
Non-simple parameters are only disallowed when a function declares itself
strict, but they're otherwise ok in strict mode.
Enabling these tests will expose more problems when scope data for arrow
functions is tested (in a future CL).
BUG=v8:5516
R=vogelheim@chromium.org
Change-Id: I839ad37d46305975a56aff20e8ca70505c16bf1d
Reviewed-on: https://chromium-review.googlesource.com/446497
Reviewed-by: Daniel Vogelheim <vogelheim@chromium.org>
Commit-Queue: Daniel Vogelheim <vogelheim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43389}
Fix crashes in two tests cctest/test-wasm-interpreter-entry/TestArgumentPassing_AllTypes and
cctest/test-wasm-interpreter-entry/TestArgumentPassing_float_double related to accessing
double value through unaligned pointer. This issue is present on those architectures
that do not support unaligned access.
TEST=cctest/test-wasm-interpreter-entry/TestArgumentPassing_AllTypes,
cctest/test-wasm-interpreter-entry/TestArgumentPassing_float_double
BUG=
Review-Url: https://codereview.chromium.org/2705253003
Cr-Commit-Position: refs/heads/master@{#43387}
With inline breakpoints DevTools are ready for break position aligned breakpoints instead of statement aligned.
BUG=chromium:695236
R=dgozman@chromium.org,yangguo@chromium.org
Review-Url: https://codereview.chromium.org/2709263002
Cr-Commit-Position: refs/heads/master@{#43385}
This implements the proposal at
https://github.com/tc39/proposal-template-literal-revision
staged behind a flag --harmony-template-escapes. The proposal allows
invalid octal, unicode, and hexadecimal escape sequences to appear in
tagged template literals, instead of being a syntax error. These have
a 'cooked' value of 'undefined', but are still accessible through the
'raw' property.
BUG=v8:5546
Review-Url: https://codereview.chromium.org/2665513002
Cr-Commit-Position: refs/heads/master@{#43384}
During scavanges multiple different ThinStrings can end up pointing to the
same internalized string. This means that the same key/value pair can be
re-inserted during rehash operations, so the values_[index] might not
be null when inserting the value.
BUG=chromium:695029
Change-Id: I5f693586bb60d5a2bbe89f05cb5b7f5fe26a23b2
Reviewed-on: https://chromium-review.googlesource.com/446380
Reviewed-by: Ben Titzer <titzer@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43379}
Have clear prologue and epilogue steps. For a minor MC we can then
templatize the prologue without changing the actual evacuation routine.
BUG=chromium:651354
Change-Id: Ia238748e90bc6b616cd813d31198de182fe11498
Reviewed-on: https://chromium-review.googlesource.com/445898
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43378}
Convenience wrapper around building with gn/ninja and running tests.
Follows Makefile syntax, but is more flexible; see --help.
Pro tip: alias gm="tools/dev/gm.py"
NOTRY=true
Review-Url: https://codereview.chromium.org/2713663002
Cr-Commit-Position: refs/heads/master@{#43377}
This fixes a corner-case where the call reduction of the aforementioned
getter did not simulate the {ToObject} conversion of the receiver value
as required by the spec. This caused the wrong prototype to be constant
promoted (i.e. {null} instead of wrapper object prototype).
R=jarin@chromium.org
TEST=mjsunit/regress/regress-crbug-694709
BUG=chromium:694709
Change-Id: Idf3a37071949d9ddaf5ef43974570c06fd31c0c9
Reviewed-on: https://chromium-review.googlesource.com/445818
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43376}
This reverts commit 14de196a12.
Reason for revert: Tanks Mandreel, fix is in flight, but we want a stable baseline first. Will reland again next week.
Original change's description:
> [turbofan] Handle comparison operations in early lowering.
>
> This handles relational comparison operations (no equality yet) having
> number feedback during the early type-hint lowering (i.e. during graph
> construction).
>
> R=bmeurer@chromium.org
>
> Change-Id: I0ac1539f85de1770c3d518855754550932f6fcd3
> Reviewed-on: https://chromium-review.googlesource.com/445716
> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
> Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#43365}
TBR=mstarzinger@chromium.org,jarin@chromium.org,bmeurer@chromium.org,rmcilroy@chromium.org,v8-reviews@googlegroups.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Change-Id: I103d976c9b9b73ca67af6f6a32ea47a52d04c123
Reviewed-on: https://chromium-review.googlesource.com/446358
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43375}
Will be used for UMA to track time spent optimizing code in the wild.
Change-Id: Ibc01540552eac4cb9224f1cb6cc11a55aae5834d
Reviewed-on: https://chromium-review.googlesource.com/444345
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43374}
