// StringCharCodeAtGenerator
void StringCharCodeAtGenerator::GenerateFast(MacroAssembler* masm) {
// If the receiver is a smi trigger the non-string case.
- __ JumpIfSmi(object_, receiver_not_string_);
-
- // Fetch the instance type of the receiver into result register.
- __ ldr(result_, FieldMemOperand(object_, HeapObject::kMapOffset));
- __ ldrb(result_, FieldMemOperand(result_, Map::kInstanceTypeOffset));
- // If the receiver is not a string trigger the non-string case.
- __ tst(result_, Operand(kIsNotStringMask));
- __ b(ne, receiver_not_string_);
+ if (check_mode_ == RECEIVER_IS_UNKNOWN) {
+ __ JumpIfSmi(object_, receiver_not_string_);
+
+ // Fetch the instance type of the receiver into result register.
+ __ ldr(result_, FieldMemOperand(object_, HeapObject::kMapOffset));
+ __ ldrb(result_, FieldMemOperand(result_, Map::kInstanceTypeOffset));
+ // If the receiver is not a string trigger the non-string case.
+ __ tst(result_, Operand(kIsNotStringMask));
+ __ b(ne, receiver_not_string_);
+ }
// If the index is non-smi trigger the non-smi case.
__ JumpIfNotSmi(index_, &index_not_smi_);
void StringCharCodeAtGenerator::GenerateFast(MacroAssembler* masm) {
// If the receiver is a smi trigger the non-string case.
- __ JumpIfSmi(object_, receiver_not_string_);
+ if (check_mode_ == RECEIVER_IS_UNKNOWN) {
+ __ JumpIfSmi(object_, receiver_not_string_);
- // Fetch the instance type of the receiver into result register.
- __ Ldr(result_, FieldMemOperand(object_, HeapObject::kMapOffset));
- __ Ldrb(result_, FieldMemOperand(result_, Map::kInstanceTypeOffset));
+ // Fetch the instance type of the receiver into result register.
+ __ Ldr(result_, FieldMemOperand(object_, HeapObject::kMapOffset));
+ __ Ldrb(result_, FieldMemOperand(result_, Map::kInstanceTypeOffset));
- // If the receiver is not a string trigger the non-string case.
- __ TestAndBranchIfAnySet(result_, kIsNotStringMask, receiver_not_string_);
+ // If the receiver is not a string trigger the non-string case.
+ __ TestAndBranchIfAnySet(result_, kIsNotStringMask, receiver_not_string_);
+ }
// If the index is non-smi trigger the non-smi case.
__ JumpIfNotSmi(index_, &index_not_smi_);
DCHECK(!t0.is(index_));
DCHECK(!t0.is(result_));
DCHECK(!t0.is(object_));
-
- // If the receiver is a smi trigger the non-string case.
- __ JumpIfSmi(object_, receiver_not_string_);
-
- // Fetch the instance type of the receiver into result register.
- __ lw(result_, FieldMemOperand(object_, HeapObject::kMapOffset));
- __ lbu(result_, FieldMemOperand(result_, Map::kInstanceTypeOffset));
- // If the receiver is not a string trigger the non-string case.
- __ And(t0, result_, Operand(kIsNotStringMask));
- __ Branch(receiver_not_string_, ne, t0, Operand(zero_reg));
+ if (check_mode_ == RECEIVER_IS_UNKNOWN) {
+ // If the receiver is a smi trigger the non-string case.
+ __ JumpIfSmi(object_, receiver_not_string_);
+
+ // Fetch the instance type of the receiver into result register.
+ __ lw(result_, FieldMemOperand(object_, HeapObject::kMapOffset));
+ __ lbu(result_, FieldMemOperand(result_, Map::kInstanceTypeOffset));
+ // If the receiver is not a string trigger the non-string case.
+ __ And(t0, result_, Operand(kIsNotStringMask));
+ __ Branch(receiver_not_string_, ne, t0, Operand(zero_reg));
+ }
// If the index is non-smi trigger the non-smi case.
__ JumpIfNotSmi(index_, &index_not_smi_);
void StringCharCodeAtGenerator::GenerateFast(MacroAssembler* masm) {
// If the receiver is a smi trigger the non-string case.
- __ JumpIfSmi(object_, receiver_not_string_);
-
- // Fetch the instance type of the receiver into result register.
- __ movp(result_, FieldOperand(object_, HeapObject::kMapOffset));
- __ movzxbl(result_, FieldOperand(result_, Map::kInstanceTypeOffset));
- // If the receiver is not a string trigger the non-string case.
- __ testb(result_, Immediate(kIsNotStringMask));
- __ j(not_zero, receiver_not_string_);
+ if (check_mode_ == RECEIVER_IS_UNKNOWN) {
+ __ JumpIfSmi(object_, receiver_not_string_);
+
+ // Fetch the instance type of the receiver into result register.
+ __ movp(result_, FieldOperand(object_, HeapObject::kMapOffset));
+ __ movzxbl(result_, FieldOperand(result_, Map::kInstanceTypeOffset));
+ // If the receiver is not a string trigger the non-string case.
+ __ testb(result_, Immediate(kIsNotStringMask));
+ __ j(not_zero, receiver_not_string_);
+ }
// If the index is non-smi trigger the non-smi case.
__ JumpIfNotSmi(index_, &index_not_smi_);