diff options
Diffstat (limited to 'js/src/jit/shared')
| -rw-r--r-- | js/src/jit/shared/IonAssemblerBuffer.h | 4 | ||||
| -rw-r--r-- | js/src/jit/shared/LIR-shared.h | 23 | ||||
| -rw-r--r-- | js/src/jit/shared/LOpcodes-shared.h | 1 |
3 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit/shared/IonAssemblerBuffer.h b/js/src/jit/shared/IonAssemblerBuffer.h index cc20e26d2..3a6552696 100644 --- a/js/src/jit/shared/IonAssemblerBuffer.h +++ b/js/src/jit/shared/IonAssemblerBuffer.h @@ -181,6 +181,10 @@ class AssemblerBuffer protected: virtual Slice* newSlice(LifoAlloc& a) { + if (size() > MaxCodeBytesPerProcess - sizeof(Slice)) { + fail_oom(); + return nullptr; + } Slice* tmp = static_cast<Slice*>(a.alloc(sizeof(Slice))); if (!tmp) { fail_oom(); diff --git a/js/src/jit/shared/LIR-shared.h b/js/src/jit/shared/LIR-shared.h index 9dcb527c5..f4adcc63c 100644 --- a/js/src/jit/shared/LIR-shared.h +++ b/js/src/jit/shared/LIR-shared.h @@ -7867,6 +7867,29 @@ class LHasClass : public LInstructionHelper<1, 1, 0> } }; +class LGuardToClass : public LInstructionHelper<1, 1, 1> +{ + public: + LIR_HEADER(GuardToClass); + explicit LGuardToClass(const LAllocation& lhs, const LDefinition& temp) + { + setOperand(0, lhs); + setTemp(0, temp); + } + + const LAllocation* lhs() { + return getOperand(0); + } + + const LDefinition* temp() { + return getTemp(0); + } + + MGuardToClass* mir() const { + return mir_->toGuardToClass(); + } +}; + template<size_t Defs, size_t Ops> class LWasmSelectBase : public LInstructionHelper<Defs, Ops, 0> { diff --git a/js/src/jit/shared/LOpcodes-shared.h b/js/src/jit/shared/LOpcodes-shared.h index 3eea1b449..fe2ab5ea3 100644 --- a/js/src/jit/shared/LOpcodes-shared.h +++ b/js/src/jit/shared/LOpcodes-shared.h @@ -386,6 +386,7 @@ _(IsObject) \ _(IsObjectAndBranch) \ _(HasClass) \ + _(GuardToClass) \ _(RecompileCheck) \ _(MemoryBarrier) \ _(AssertRangeI) \ |