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Diffstat (limited to 'deps/v8/src/x64/builtins-x64.cc')
-rw-r--r--deps/v8/src/x64/builtins-x64.cc63
1 files changed, 13 insertions, 50 deletions
diff --git a/deps/v8/src/x64/builtins-x64.cc b/deps/v8/src/x64/builtins-x64.cc
index ba7647bf30..e7daa7f9d6 100644
--- a/deps/v8/src/x64/builtins-x64.cc
+++ b/deps/v8/src/x64/builtins-x64.cc
@@ -648,11 +648,7 @@ static void GenerateMakeCodeYoungAgainCommon(MacroAssembler* masm) {
// the stub returns.
__ subq(Operand(rsp, 0), Immediate(5));
__ Pushad();
-#ifdef _WIN64
- __ movq(rcx, Operand(rsp, kNumSafepointRegisters * kPointerSize));
-#else
- __ movq(rdi, Operand(rsp, kNumSafepointRegisters * kPointerSize));
-#endif
+ __ movq(arg_reg_1, Operand(rsp, kNumSafepointRegisters * kPointerSize));
{ // NOLINT
FrameScope scope(masm, StackFrame::MANUAL);
__ PrepareCallCFunction(1);
@@ -1287,8 +1283,7 @@ static void AllocateJSArray(MacroAssembler* masm,
// entering the generic code. In both cases argc in rax needs to be preserved.
// Both registers are preserved by this code so no need to differentiate between
// a construct call and a normal call.
-static void ArrayNativeCode(MacroAssembler* masm,
- Label* call_generic_code) {
+void ArrayNativeCode(MacroAssembler* masm, Label* call_generic_code) {
Label argc_one_or_more, argc_two_or_more, empty_array, not_empty_array,
has_non_smi_element, finish, cant_transition_map, not_double;
@@ -1522,7 +1517,7 @@ void Builtins::Generate_ArrayCode(MacroAssembler* masm) {
}
-void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) {
+void Builtins::Generate_CommonArrayConstructCode(MacroAssembler* masm) {
// ----------- S t a t e -------------
// -- rax : argc
// -- rdi : constructor
@@ -1541,53 +1536,21 @@ void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) {
__ Check(not_smi, "Unexpected initial map for Array function");
__ CmpObjectType(rcx, MAP_TYPE, rcx);
__ Check(equal, "Unexpected initial map for Array function");
-
- if (FLAG_optimize_constructed_arrays) {
- // We should either have undefined in ebx or a valid jsglobalpropertycell
- Label okay_here;
- Handle<Object> undefined_sentinel(
- masm->isolate()->factory()->undefined_value());
- Handle<Map> global_property_cell_map(
- masm->isolate()->heap()->global_property_cell_map());
- __ Cmp(rbx, undefined_sentinel);
- __ j(equal, &okay_here);
- __ Cmp(FieldOperand(rbx, 0), global_property_cell_map);
- __ Assert(equal, "Expected property cell in register rbx");
- __ bind(&okay_here);
- }
}
- if (FLAG_optimize_constructed_arrays) {
- Label not_zero_case, not_one_case;
- __ testq(rax, rax);
- __ j(not_zero, &not_zero_case);
- ArrayNoArgumentConstructorStub no_argument_stub;
- __ TailCallStub(&no_argument_stub);
-
- __ bind(&not_zero_case);
- __ cmpq(rax, Immediate(1));
- __ j(greater, &not_one_case);
- ArraySingleArgumentConstructorStub single_argument_stub;
- __ TailCallStub(&single_argument_stub);
-
- __ bind(&not_one_case);
- ArrayNArgumentsConstructorStub n_argument_stub;
- __ TailCallStub(&n_argument_stub);
- } else {
- Label generic_constructor;
- // Run the native code for the Array function called as constructor.
- ArrayNativeCode(masm, &generic_constructor);
-
- // Jump to the generic construct code in case the specialized code cannot
- // handle the construction.
- __ bind(&generic_constructor);
- Handle<Code> generic_construct_stub =
- masm->isolate()->builtins()->JSConstructStubGeneric();
- __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET);
- }
+ Label generic_constructor;
+ // Run the native code for the Array function called as constructor.
+ ArrayNativeCode(masm, &generic_constructor);
+ // Jump to the generic construct code in case the specialized code cannot
+ // handle the construction.
+ __ bind(&generic_constructor);
+ Handle<Code> generic_construct_stub =
+ masm->isolate()->builtins()->JSConstructStubGeneric();
+ __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET);
}
+
void Builtins::Generate_StringConstructCode(MacroAssembler* masm) {
// ----------- S t a t e -------------
// -- rax : number of arguments