template<class InstrType>
+void LCodeGen::EmitFalseBranch(InstrType instr,
+ Condition condition,
+ Register src1,
+ const Operand& src2) {
+ int false_block = instr->FalseDestination(chunk_);
+ __ Branch(chunk_->GetAssemblyLabel(false_block), condition, src1, src2);
+}
+
+
+template<class InstrType>
void LCodeGen::EmitFalseBranchF(InstrType instr,
Condition condition,
FPURegister src1,
void LCodeGen::DoCompareMinusZeroAndBranch(LCompareMinusZeroAndBranch* instr) {
Representation rep = instr->hydrogen()->value()->representation();
ASSERT(!rep.IsInteger32());
- Label if_false;
Register scratch = ToRegister(instr->temp());
if (rep.IsDouble()) {
DoubleRegister value = ToDoubleRegister(instr->value());
- __ BranchF(&if_false, NULL, ne, value, kDoubleRegZero);
+ EmitFalseBranchF(instr, ne, value, kDoubleRegZero);
__ FmoveHigh(scratch, value);
__ li(at, 0x80000000);
} else {
Register value = ToRegister(instr->value());
- __ CheckMap(
- value, scratch, Heap::kHeapNumberMapRootIndex, &if_false, DO_SMI_CHECK);
+ __ CheckMap(value,
+ scratch,
+ Heap::kHeapNumberMapRootIndex,
+ instr->FalseLabel(chunk()),
+ DO_SMI_CHECK);
__ lw(scratch, FieldMemOperand(value, HeapNumber::kExponentOffset));
- __ Branch(&if_false, ne, scratch, Operand(0x80000000));
+ EmitFalseBranch(instr, ne, scratch, Operand(0x80000000));
__ lw(scratch, FieldMemOperand(value, HeapNumber::kMantissaOffset));
__ mov(at, zero_reg);
}
EmitBranch(instr, eq, scratch, Operand(at));
-
- __ bind(&if_false);
- EmitFalseBranchF(instr, al, kDoubleRegZero, kDoubleRegZero);
}
static Condition TokenToCondition(Token::Value op, bool is_unsigned);
void EmitGoto(int block);
+
+ // EmitBranch expects to be the last instruction of a block.
template<class InstrType>
void EmitBranch(InstrType instr,
Condition condition,
FPURegister src1,
FPURegister src2);
template<class InstrType>
+ void EmitFalseBranch(InstrType instr,
+ Condition condition,
+ Register src1,
+ const Operand& src2);
+ template<class InstrType>
void EmitFalseBranchF(InstrType instr,
Condition condition,
FPURegister src1,