This is the first step towards unifying external and on-heap typed arrays.
The end-state will be that this base pointer either points to the on-heap values
or to the externally allocated array buffer.
BUG=v8:3996
R=hpayer@chromium.org
LOG=n
Review URL: https://codereview.chromium.org/1176263004
Cr-Commit-Position: refs/heads/master@{#29039}
This invariant will save us some head ache.
The changes to test-debug/DebugStub is due to the fact that it abuses
the ability to set break points in code that has no debug break slots.
This is now no longer possible.
R=ulan@chromium.org
BUG=v8:4132
LOG=N
Review URL: https://codereview.chromium.org/1181013007
Cr-Commit-Position: refs/heads/master@{#29038}
Using TranslatedState and friends is too expensive compared to the low
level TranslationIterator, because some code (i.e. in Speedometer)
depends on the OptimizedFrame summary/function listing to be very fast.
BUG=chromium:499338
LOG=n
R=jarin@chromium.org
Review URL: https://codereview.chromium.org/1181373003
Cr-Commit-Position: refs/heads/master@{#29037}
This patch implements %_IsTypedArray in fullcodegen, Hydrogen and
Turbofan in order to implement fast type checks to enable ES6
TypedArray features and semantics efficiently.
R=adamk,titzer
LOG=Y
BUG=v8:4085
Review URL: https://codereview.chromium.org/1183213002
Cr-Commit-Position: refs/heads/master@{#29033}
Computed property literals don't seem to work in nosnap yet,
leading to a syntax error.
R=adamk,arv
Review URL: https://codereview.chromium.org/1189643002
Cr-Commit-Position: refs/heads/master@{#29032}
In ES6, the TypedArray constructor can be called either with an
array-like object or an iterable. The code previously handled
only array-like objects. This patch switches to supporting
iterables while throwing in an optimization to make Arrays
get allocated the old way, without an extra copy.
BUG=v8:4090
LOG=Y
R=adamk
Review URL: https://codereview.chromium.org/1181903003
Cr-Commit-Position: refs/heads/master@{#29031}
The TryLowerDirectJSCall method tried to lower to a direct JavaScript
function call depending on the type of the receiver, but only if the
target is a cosntant JSFunction. Since this depends on types and is not
required for correctness, it shouldn't be part of generic lowering
anyway. So this functionality was moved to typed lowering instead, and
we use proper types for the target instead.
R=mstarzinger@chromium.org
Review URL: https://codereview.chromium.org/1182193005
Cr-Commit-Position: refs/heads/master@{#29028}
Reasons:
- It is not used.
- It complicates code in GC.
BUG=chromium:499713
LOG=NO
Review URL: https://codereview.chromium.org/1184723002
Cr-Commit-Position: refs/heads/master@{#29027}
This hack doesn't help currently, since it only applies to asm.js where
we do function context specialization and there we already have a
canonicalized context (and the CodeGenerator materializes that from the
frame).
R=mstarzinger@chromium.org
Review URL: https://codereview.chromium.org/1177033006
Cr-Commit-Position: refs/heads/master@{#29025}
This fixes a few funky implicit conversions for the enum (that are
inconsistent across compilers) and also helps to save space, i.e. for
the representations_ vector in the InstructionSequence.
R=svenpanne@chromium.org
Review URL: https://codereview.chromium.org/1182303003
Cr-Commit-Position: refs/heads/master@{#29011}
Apparently the *RealNamed* API methods only have named variants, but were always used by the embedder to find elements as well. We'd never find them though, since we wouldn't even look
there.
This CL ensures we check whether the name is actually an array index.
I guess for all named API functions we should assume they are used similar to o["name"] where name could also be a number... At least we should make it uniform between embedder and V8. This matches us up with their expectations for now...
BUG=v8:4137
LOG=n
Review URL: https://codereview.chromium.org/1177383004
Cr-Commit-Position: refs/heads/master@{#29008}
use 1 as allocatable Double register number when setting up the default register configuration..
It does not change the double register configuration of other platforms.
BUG=v8:4135
LOG=N
Review URL: https://codereview.chromium.org/1164813007
Cr-Commit-Position: refs/heads/master@{#29005}
The strong-object-set-proto test cases will throw one expected exception
and the exception message should include the source position in the JS
file. But crankshaft compiler does not generate the source position for
it when creating the flow graph by default. The source position information
is always zero. So it failed when comparing with the reference file.
If we use crankshaft compiler on IA32 platform to run this test case, it
has the same failure.
we will open these test case for x87 once turbofan for X87 is enabled.
BUG=
Review URL: https://codereview.chromium.org/1179763003
Cr-Commit-Position: refs/heads/master@{#29003}
Otherwise using Object.defineProperty with window.localStorage will not actually store the value into the database but on the object itself.
BUG=v8:4137
LOG=n
Review URL: https://codereview.chromium.org/1180073002
Cr-Commit-Position: refs/heads/master@{#29002}
Up until now we used int32_t for NodeId, but that was not ideal because
negative values are invalid for NodeId and we use it as an array index
for example in the NodeMarker class, where C++ compilers on x64 have to
generate code that does proper sign extension for the indices, which is
completely unnecessary.
R=svenpanne@chromium.org
Review URL: https://codereview.chromium.org/1178403004
Cr-Commit-Position: refs/heads/master@{#28997}
Allocation must respect requested reserve size, not requested commit area size.
Additionally fix check failures in debug mode for mips64.
After CL: https://codereview.chromium.org/1147503002/
memory for large code objects is allocated from code range,
memory for regular code objects is allocated normally.
TEST=cctest/test-spaces/MemoryChunk
BUG=
Review URL: https://codereview.chromium.org/1172333002
Cr-Commit-Position: refs/heads/master@{#28995}
