#undef REG
+
bool RecordWriteStub::IsPregenerated() {
for (const AheadOfTimeWriteBarrierStubList* entry = kAheadOfTime;
!entry->object.is(no_reg);
}
+bool CodeStub::CanUseFPRegisters() {
+ return CpuFeatures::IsSupported(VFP2);
+}
+
+
// Takes the input in 3 registers: address_ value_ and object_. A pointer to
// the value has just been written into the object, now this stub makes sure
// we keep the GC informed. The word in the object where the value has been
// Lookup the code in the (possibly custom) cache.
bool FindCodeInCache(Code** code_out);
+ protected:
+ static bool CanUseFPRegisters();
+
private:
// Nonvirtual wrapper around the stub-specific Generate function. Call
// this function to set up the macro assembler and generate the code.
KeyedAccessGrowMode grow_mode)
: is_js_array_(is_js_array),
elements_kind_(elements_kind),
- grow_mode_(grow_mode) { }
+ grow_mode_(grow_mode),
+ fp_registers_(CanUseFPRegisters()) { }
Major MajorKey() { return KeyedStoreElement; }
int MinorKey() {
return ElementsKindBits::encode(elements_kind_) |
IsJSArrayBits::encode(is_js_array_) |
- GrowModeBits::encode(grow_mode_);
+ GrowModeBits::encode(grow_mode_) |
+ FPRegisters::encode(fp_registers_);
}
void Generate(MacroAssembler* masm);
class ElementsKindBits: public BitField<ElementsKind, 0, 8> {};
class GrowModeBits: public BitField<KeyedAccessGrowMode, 8, 1> {};
class IsJSArrayBits: public BitField<bool, 9, 1> {};
+ class FPRegisters: public BitField<bool, 10, 1> {};
bool is_js_array_;
ElementsKind elements_kind_;
KeyedAccessGrowMode grow_mode_;
+ bool fp_registers_;
DISALLOW_COPY_AND_ASSIGN(KeyedStoreElementStub);
};
class StoreArrayLiteralElementStub : public CodeStub {
public:
- explicit StoreArrayLiteralElementStub() {}
+ StoreArrayLiteralElementStub()
+ : fp_registers_(CanUseFPRegisters()) { }
private:
+ class FPRegisters: public BitField<bool, 0, 1> {};
+
Major MajorKey() { return StoreArrayLiteralElement; }
- int MinorKey() { return 0; }
+ int MinorKey() { return FPRegisters::encode(fp_registers_); }
void Generate(MacroAssembler* masm);
+ bool fp_registers_;
+
DISALLOW_COPY_AND_ASSIGN(StoreArrayLiteralElementStub);
};