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authorBen Murdoch <benm@google.com>2015-01-16 13:22:35 +0000
committerBen Murdoch <benm@google.com>2015-01-16 13:22:35 +0000
commit14eafc6968b0f624bd9aeb1cf3c3d53da7277122 (patch)
tree91e4c090808e40300c5596d95ffc490581b467ae
parent2f8270383d095cb4a0913bb41987cdb59a84793b (diff)
parent07dd6d95a3d41c36bf1b9d7261b0557b265d8b41 (diff)
downloadv8-14eafc6968b0f624bd9aeb1cf3c3d53da7277122.tar.gz
Merge from Chromium at DEPS revision 40.0.2214.87
This commit was generated by merge_to_master.py. Change-Id: I6218bc6b1561101812e2752344a5c4d06dd9cb6d
-rw-r--r--src/heap/spaces.cc3
-rw-r--r--src/hydrogen.cc22
-rw-r--r--src/version.cc2
-rw-r--r--test/cctest/test-alloc.cc3
-rw-r--r--test/mjsunit/array-shift4.js24
-rw-r--r--test/mjsunit/regress/regress-435073.js12
6 files changed, 55 insertions, 11 deletions
diff --git a/src/heap/spaces.cc b/src/heap/spaces.cc
index a73833f12..68425c08c 100644
--- a/src/heap/spaces.cc
+++ b/src/heap/spaces.cc
@@ -140,7 +140,8 @@ bool CodeRange::SetUp(size_t requested) {
base += kReservedCodeRangePages * base::OS::CommitPageSize();
}
Address aligned_base = RoundUp(base, MemoryChunk::kAlignment);
- size_t size = code_range_->size() - (aligned_base - base);
+ size_t size = code_range_->size() - (aligned_base - base) -
+ kReservedCodeRangePages * base::OS::CommitPageSize();
allocation_list_.Add(FreeBlock(aligned_base, size));
current_allocation_block_index_ = 0;
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 31fcd4ca4..1028a0761 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -8301,6 +8301,7 @@ bool HOptimizedGraphBuilder::TryInlineBuiltinMethodCall(
if (receiver_map.is_null()) return false;
if (receiver_map->instance_type() != JS_ARRAY_TYPE) return false;
ElementsKind elements_kind = receiver_map->elements_kind();
+ if (JSArray::IsReadOnlyLengthDescriptor(receiver_map)) return false;
if (!IsFastElementsKind(elements_kind)) return false;
if (receiver_map->is_observed()) return false;
if (!receiver_map->is_extensible()) return false;
@@ -8418,6 +8419,7 @@ bool HOptimizedGraphBuilder::TryInlineBuiltinMethodCall(
if (receiver_map.is_null()) return false;
if (receiver_map->instance_type() != JS_ARRAY_TYPE) return false;
ElementsKind kind = receiver_map->elements_kind();
+ if (JSArray::IsReadOnlyLengthDescriptor(receiver_map)) return false;
if (!IsFastElementsKind(kind)) return false;
if (receiver_map->is_observed()) return false;
if (!receiver_map->is_extensible()) return false;
@@ -8490,10 +8492,12 @@ bool HOptimizedGraphBuilder::TryInlineBuiltinMethodCall(
graph()->GetConstant0(), new_length, Token::LT);
HValue* key = AddUncasted<HAdd>(new_key, graph()->GetConstant1());
key->ClearFlag(HValue::kCanOverflow);
+ ElementsKind copy_kind =
+ kind == FAST_HOLEY_SMI_ELEMENTS ? FAST_HOLEY_ELEMENTS : kind;
HValue* element = AddUncasted<HLoadKeyed>(
- elements, key, lengthiszero, kind, ALLOW_RETURN_HOLE);
- HStoreKeyed* store = Add<HStoreKeyed>(
- elements, new_key, element, kind);
+ elements, key, lengthiszero, copy_kind, ALLOW_RETURN_HOLE);
+ HStoreKeyed* store =
+ Add<HStoreKeyed>(elements, new_key, element, copy_kind);
store->SetFlag(HValue::kAllowUndefinedAsNaN);
}
loop.EndBody();
@@ -11314,11 +11318,13 @@ void HOptimizedGraphBuilder::BuildEmitFixedArray(
site_context->ExitScope(current_site, value_object);
Add<HStoreKeyed>(object_elements, key_constant, result, kind);
} else {
- HInstruction* value_instruction =
- Add<HLoadKeyed>(boilerplate_elements, key_constant,
- static_cast<HValue*>(NULL), kind,
- ALLOW_RETURN_HOLE);
- Add<HStoreKeyed>(object_elements, key_constant, value_instruction, kind);
+ ElementsKind copy_kind =
+ kind == FAST_HOLEY_SMI_ELEMENTS ? FAST_HOLEY_ELEMENTS : kind;
+ HInstruction* value_instruction = Add<HLoadKeyed>(
+ boilerplate_elements, key_constant, static_cast<HValue*>(NULL),
+ copy_kind, ALLOW_RETURN_HOLE);
+ Add<HStoreKeyed>(object_elements, key_constant, value_instruction,
+ copy_kind);
}
}
}
diff --git a/src/version.cc b/src/version.cc
index 81515d1ae..a2997459d 100644
--- a/src/version.cc
+++ b/src/version.cc
@@ -35,7 +35,7 @@
#define MAJOR_VERSION 3
#define MINOR_VERSION 30
#define BUILD_NUMBER 33
-#define PATCH_LEVEL 13
+#define PATCH_LEVEL 15
// Use 1 for candidates and 0 otherwise.
// (Boolean macro values are not supported by all preprocessors.)
#define IS_CANDIDATE_VERSION 0
diff --git a/test/cctest/test-alloc.cc b/test/cctest/test-alloc.cc
index 54d516e13..2e071acc7 100644
--- a/test/cctest/test-alloc.cc
+++ b/test/cctest/test-alloc.cc
@@ -198,7 +198,8 @@ TEST(CodeRange) {
const size_t code_range_size = 32*MB;
CcTest::InitializeVM();
CodeRange code_range(reinterpret_cast<Isolate*>(CcTest::isolate()));
- code_range.SetUp(code_range_size);
+ code_range.SetUp(code_range_size +
+ kReservedCodeRangePages * v8::base::OS::CommitPageSize());
size_t current_allocated = 0;
size_t total_allocated = 0;
List< ::Block> blocks(1000);
diff --git a/test/mjsunit/array-shift4.js b/test/mjsunit/array-shift4.js
new file mode 100644
index 000000000..669b11a05
--- /dev/null
+++ b/test/mjsunit/array-shift4.js
@@ -0,0 +1,24 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+// Inlining shift with holey smi arrays shouldn't deopt just because it
+// encounters the hole on the copy step.
+function doShift(a) {
+ var x = a.shift();
+ return x;
+}
+
+function makeArray() {
+ var a = [1, 2,, 3];
+ a[0] = 2;
+ return a;
+}
+
+doShift(makeArray());
+doShift(makeArray());
+%OptimizeFunctionOnNextCall(doShift);
+doShift(makeArray());
+assertOptimized(doShift);
diff --git a/test/mjsunit/regress/regress-435073.js b/test/mjsunit/regress/regress-435073.js
new file mode 100644
index 000000000..dbaa612af
--- /dev/null
+++ b/test/mjsunit/regress/regress-435073.js
@@ -0,0 +1,12 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax --verify-heap
+
+function test(x) { [x,,]; }
+
+test(0);
+test(0);
+%OptimizeFunctionOnNextCall(test);
+test(0);