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deps: patch V8 to 7.1.302.33
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PR-URL: #25101
Refs: v8/v8@7.1.302.28...7.1.302.33
Fixes: #25089
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
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@BridgeAR @danbev
BridgeAR authored and danbev committed Dec 21, 2018
1 parent 8b57208 commit a981214
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Showing 12 changed files with 544 additions and 127 deletions.
25 changes: 22 additions & 3 deletions deps/v8/DEPS
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,9 @@ vars = {
'download_jsfunfuzz': False,
'download_mips_toolchain': False,
'check_v8_header_includes': False,

# luci-go CIPD package version.
'luci_go': 'git_revision:fdf05508e8a66c773a41521e0243c9d11b9a2a1c',
}

deps = {
Expand Down Expand Up @@ -51,7 +54,7 @@ deps = {
'v8/third_party/markupsafe':
Var('chromium_url') + '/chromium/src/third_party/markupsafe.git' + '@' + '8f45f5cfa0009d2a70589bcda0349b8cb2b72783',
'v8/tools/swarming_client':
Var('chromium_url') + '/infra/luci/client-py.git' + '@' + '486c9b53c4d54dd4b95bb6ce0e31160e600dfc11',
Var('chromium_url') + '/infra/luci/client-py.git' + '@' + '0e3e1c4dc4e79f25a5b58fcbc135dc93183c0c54',
'v8/test/benchmarks/data':
Var('chromium_url') + '/v8/deps/third_party/benchmarks.git' + '@' + '05d7188267b4560491ff9155c5ee13e207ecd65f',
'v8/test/mozilla/data':
Expand Down Expand Up @@ -82,8 +85,24 @@ deps = {
},
'v8/tools/clang':
Var('chromium_url') + '/chromium/src/tools/clang.git' + '@' + '7792d28b069af6dd3a86d1ba83b7f5c4ede605dc',
'v8/tools/luci-go':
Var('chromium_url') + '/chromium/src/tools/luci-go.git' + '@' + '445d7c4b6a4f10e188edb395b132e3996b127691',
'v8/tools/luci-go': {
'packages': [
{
'package': 'infra/tools/luci/isolate/${{platform}}',
'version': Var('luci_go'),
},
{
'package': 'infra/tools/luci/isolated/${{platform}}',
'version': Var('luci_go'),
},
{
'package': 'infra/tools/luci/swarming/${{platform}}',
'version': Var('luci_go'),
},
],
'condition': 'host_cpu != "s390"',
'dep_type': 'cipd',
},
'v8/test/wasm-js':
Var('chromium_url') + '/external/github.com/WebAssembly/spec.git' + '@' + 'db9cd40808a90ecc5f4a23e88fb375c8f60b8d52',
}
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2 changes: 1 addition & 1 deletion deps/v8/include/v8-version.h
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@
#define V8_MAJOR_VERSION 7
#define V8_MINOR_VERSION 1
#define V8_BUILD_NUMBER 302
#define V8_PATCH_LEVEL 28
#define V8_PATCH_LEVEL 33

// Use 1 for candidates and 0 otherwise.
// (Boolean macro values are not supported by all preprocessors.)
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103 changes: 62 additions & 41 deletions deps/v8/src/builtins/array-splice.tq
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Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,12 @@ module array {
// zero-length input FixedArray is handled here.
macro Extract<FixedArrayType: type>(
elements: FixedArrayBase, first: Smi, count: Smi,
capacity: Smi): FixedArrayType {
return UnsafeCast<FixedArrayType>(
capacity: Smi): FixedArrayType;

Extract<FixedArray>(
elements: FixedArrayBase, first: Smi, count: Smi,
capacity: Smi): FixedArray {
return UnsafeCast<FixedArray>(
ExtractFixedArray(elements, first, count, capacity));
}

Expand All @@ -24,63 +28,80 @@ module array {
ExtractFixedArray(elements, first, count, capacity));
}

macro DoMoveElements<FixedArrayType: type>(
elements: FixedArrayType, dstIndex: Smi, srcIndex: Smi,
count: Smi): void {
TorqueMoveElements(
elements, Convert<intptr>(dstIndex), Convert<intptr>(srcIndex),
Convert<intptr>(count));
}

macro StoreHoles<FixedArrayType: type>(
elements: FixedArrayType, holeStartIndex: Smi, holeEndIndex: Smi): void {
for (let i: Smi = holeStartIndex; i < holeEndIndex; i++) {
StoreArrayHole(elements, i);
}
}

macro DoCopyElements<FixedArrayType: type>(
dstElements: FixedArrayType, dstIndex: Smi, srcElements: FixedArrayType,
srcIndex: Smi, count: Smi): void {
TorqueCopyElements(
dstElements, Convert<intptr>(dstIndex), srcElements,
Convert<intptr>(srcIndex), Convert<intptr>(count));
}

macro FastSplice<FixedArrayType: type, ElementType: type>(
args: constexpr Arguments, a: JSArray, length: Smi, newLength: Smi,
lengthDelta: Smi, actualStart: Smi, insertCount: Smi,
actualDeleteCount: Smi): void
labels Bailout {
const elements: FixedArrayBase = a.elements;
const elementsMap: Map = elements.map;

// If the spliced array is larger then the
// source array, then allocate a new FixedArrayType to hold the result.
let newElements: FixedArrayBase = elements;
if (elementsMap == kCOWMap || lengthDelta > 0) {
newElements =
Extract<FixedArrayType>(elements, 0, actualStart, newLength);
if (elementsMap == kCOWMap) {
newElements.map = elementsMap;
// Make sure elements are writable.
EnsureWriteableFastElements(a);

if (insertCount != actualDeleteCount) {
const elements: FixedArrayBase = a.elements;
const dstIndex: Smi = actualStart + insertCount;
const srcIndex: Smi = actualStart + actualDeleteCount;
const count: Smi = length - actualDeleteCount - actualStart;
if (insertCount < actualDeleteCount) {
// Shrink.
DoMoveElements<FixedArrayType>(
UnsafeCast<FixedArrayType>(elements), dstIndex, srcIndex, count);
StoreHoles<FixedArrayType>(
UnsafeCast<FixedArrayType>(elements), newLength, length);
} else if (insertCount > actualDeleteCount) {
// If the backing store is big enough, then moving elements is enough.
if (newLength <= elements.length) {
DoMoveElements<FixedArrayType>(
UnsafeCast<FixedArrayType>(elements), dstIndex, srcIndex, count);
} else {
// Grow.
let capacity: Smi = CalculateNewElementsCapacity(newLength);
const newElements: FixedArrayType =
Extract<FixedArrayType>(elements, 0, actualStart, capacity);
a.elements = newElements;
if (elements.length > 0) {
DoCopyElements<FixedArrayType>(
newElements, dstIndex, UnsafeCast<FixedArrayType>(elements),
srcIndex, count);
}
}
}
a.elements = newElements;
}

// Copy over inserted elements.
// Copy arguments.
let k: Smi = actualStart;
if (insertCount > 0) {
const typedNewElements: FixedArrayType =
UnsafeCast<FixedArrayType>(newElements);
UnsafeCast<FixedArrayType>(a.elements);
for (let e: Object of args [2: ]) {
// The argument elements were already validated to be an appropriate
// {ElementType} to store in {FixedArrayType}.
typedNewElements[k++] = UnsafeCast<ElementType>(e);
}
}

// Copy over elements after deleted elements.
let count: Smi = length - actualStart - actualDeleteCount;
while (count > 0) {
const typedElements: FixedArrayType =
UnsafeCast<FixedArrayType>(elements);
const typedNewElements: FixedArrayType =
UnsafeCast<FixedArrayType>(newElements);
CopyArrayElement(typedElements, typedNewElements, k - lengthDelta, k);
k++;
count--;
}

// Fill rest of spliced FixedArray with the hole, but only if the
// destination FixedArray is the original array's, since otherwise the array
// is pre-filled with holes.
if (elements == newElements) {
const typedNewElements: FixedArrayType =
UnsafeCast<FixedArrayType>(newElements);
const limit: Smi = elements.length;
while (k < limit) {
StoreArrayHole(typedNewElements, k);
k++;
}
}

// Update the array's length after all the FixedArray shuffling is done.
a.length = newLength;
}
Expand Down
32 changes: 32 additions & 0 deletions deps/v8/src/builtins/base.tq
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Original file line number Diff line number Diff line change
Expand Up @@ -844,6 +844,8 @@ macro AllowNonNumberElements(kind: ElementsKind): ElementsKind {
extern macro AllocateZeroedFixedArray(intptr): FixedArray;
extern macro AllocateZeroedFixedDoubleArray(intptr): FixedDoubleArray;

extern macro CalculateNewElementsCapacity(Smi): Smi;

extern macro CopyFixedArrayElements(
constexpr ElementsKind, FixedArray, constexpr ElementsKind, FixedArray,
intptr, intptr, intptr): void;
Expand Down Expand Up @@ -879,6 +881,36 @@ extern macro ExtractFixedArray(

extern builtin ExtractFastJSArray(Context, JSArray, Smi, Smi): JSArray;

extern macro MoveElements(
constexpr ElementsKind, FixedArrayBase, intptr, intptr, intptr): void;
macro TorqueMoveElements(
elements: FixedArray, dstIndex: intptr, srcIndex: intptr,
count: intptr): void {
MoveElements(HOLEY_ELEMENTS, elements, dstIndex, srcIndex, count);
}
macro TorqueMoveElements(
elements: FixedDoubleArray, dstIndex: intptr, srcIndex: intptr,
count: intptr): void {
MoveElements(HOLEY_DOUBLE_ELEMENTS, elements, dstIndex, srcIndex, count);
}

extern macro CopyElements(
constexpr ElementsKind, FixedArrayBase, intptr, FixedArrayBase, intptr,
intptr): void;
macro TorqueCopyElements(
dstElements: FixedArray, dstIndex: intptr, srcElements: FixedArray,
srcIndex: intptr, count: intptr): void {
CopyElements(
HOLEY_ELEMENTS, dstElements, dstIndex, srcElements, srcIndex, count);
}
macro TorqueCopyElements(
dstElements: FixedDoubleArray, dstIndex: intptr,
srcElements: FixedDoubleArray, srcIndex: intptr, count: intptr): void {
CopyElements(
HOLEY_DOUBLE_ELEMENTS, dstElements, dstIndex, srcElements, srcIndex,
count);
}

macro LoadElementNoHole<T: type>(a: JSArray, index: Smi): Object
labels IfHole;

Expand Down
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