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| author | Myles Borins <mylesborins@google.com> | 2018-06-11 13:12:02 -0400 |
|---|---|---|
| committer | Myles Borins <mylesborins@google.com> | 2018-06-13 11:12:01 -0400 |
| commit | eb2d3a3b9c9aed0c4bf2da743b163c5121bf8919 (patch) | |
| tree | 8b4a21ea836a9d8e36a8dfce0a809ee4e4b3cd9e /deps/v8/src/code-stub-assembler.cc | |
| parent | 59ace5752a13136eee7ae07ca173bc2addda2e9f (diff) | |
| download | node-new-eb2d3a3b9c9aed0c4bf2da743b163c5121bf8919.tar.gz | |
deps: patch V8 to 6.7.288.46
PR-URL: https://github.com/nodejs/node/pull/21260
Refs: https://github.com/v8/v8/compare/6.7.288.45...6.7.288.46
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Minwoo Jung <minwoo@nodesource.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Diffstat (limited to 'deps/v8/src/code-stub-assembler.cc')
| -rw-r--r-- | deps/v8/src/code-stub-assembler.cc | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/deps/v8/src/code-stub-assembler.cc b/deps/v8/src/code-stub-assembler.cc index 556efe7d0a..b85609d956 100644 --- a/deps/v8/src/code-stub-assembler.cc +++ b/deps/v8/src/code-stub-assembler.cc @@ -534,6 +534,18 @@ TNode<Smi> CodeStubAssembler::SmiFromInt32(SloppyTNode<Int32T> value) { WordShl(value_intptr, SmiShiftBitsConstant())); } +TNode<BoolT> CodeStubAssembler::IsValidPositiveSmi(TNode<IntPtrT> value) { + intptr_t constant_value; + if (ToIntPtrConstant(value, constant_value)) { + return (static_cast<uintptr_t>(constant_value) <= + static_cast<uintptr_t>(Smi::kMaxValue)) + ? Int32TrueConstant() + : Int32FalseConstant(); + } + + return UintPtrLessThanOrEqual(value, IntPtrConstant(Smi::kMaxValue)); +} + TNode<Smi> CodeStubAssembler::SmiTag(SloppyTNode<IntPtrT> value) { int32_t constant_value; if (ToInt32Constant(value, constant_value) && Smi::IsValid(constant_value)) { @@ -1002,6 +1014,19 @@ void CodeStubAssembler::GotoIfForceSlowPath(Label* if_true) { Node* CodeStubAssembler::AllocateRaw(Node* size_in_bytes, AllocationFlags flags, Node* top_address, Node* limit_address) { + // TODO(jgruber, chromium:848672): TNodeify AllocateRaw. + // TODO(jgruber, chromium:848672): Call FatalProcessOutOfMemory if this fails. + { + intptr_t constant_value; + if (ToIntPtrConstant(size_in_bytes, constant_value)) { + CHECK(Internals::IsValidSmi(constant_value)); + CHECK_GT(constant_value, 0); + } else { + CSA_CHECK(this, + IsValidPositiveSmi(UncheckedCast<IntPtrT>(size_in_bytes))); + } + } + Node* top = Load(MachineType::Pointer(), top_address); Node* limit = Load(MachineType::Pointer(), limit_address); |