private static void LoadLocals(BasicBlock block, long inputs, RegisterType baseType)
{
Operand arg0 = Local(OperandType.I64);
for (int bit = 63; bit >= 0; bit--)
{
long mask = 1L << bit;
if ((inputs & mask) == 0)
{
continue;
}
Operand dest = GetRegFromBit(bit, baseType);
long offset = NativeContext.GetRegisterOffset(dest.GetRegister());
Operand addr = Local(OperandType.I64);
Operation loadOp = new Operation(Instruction.Load, dest, addr);
block.Operations.AddFirst(loadOp);
Operation calcOffsOp = new Operation(Instruction.Add, addr, arg0, Const(offset));
block.Operations.AddFirst(calcOffsOp);
}
Operation loadArg0 = new Operation(Instruction.LoadArgument, arg0, Const(0));
block.Operations.AddFirst(loadArg0);
}
private static void StoreLocals(BasicBlock block, long outputs, RegisterType baseType, ExecutionMode mode)
{
Operand arg0 = Local(OperandType.I64);
Operation loadArg0 = Operation(Instruction.LoadArgument, arg0, Const(0));
block.Append(loadArg0);
for (int bit = 0; bit < 64; bit++)
{
long mask = 1L << bit;
if ((outputs & mask) == 0)
{
continue;
}
Operand source = GetRegFromBit(bit, baseType, mode);
long offset = NativeContext.GetRegisterOffset(source.GetRegister());
Operand addr = Local(OperandType.I64);
Operation calcOffsOp = Operation(Instruction.Add, addr, arg0, Const(offset));
block.Append(calcOffsOp);
Operation storeOp = Operation(Instruction.Store, null, addr, source);
block.Append(storeOp);
}
}
private static void StoreLocals(BasicBlock block, long outputs, RegisterType baseType, bool isCompleteFunction)
{
if (Optimizations.AssumeStrictAbiCompliance && isCompleteFunction)
{
if (baseType == RegisterType.Integer || baseType == RegisterType.Flag)
{
outputs = ClearCallerSavedIntRegs(outputs);
}
else /* if (baseType == RegisterType.Vector) */
{
outputs = ClearCallerSavedVecRegs(outputs);
}
}
Operand arg0 = Local(OperandType.I64);
Operation loadArg0 = new Operation(Instruction.LoadArgument, arg0, Const(0));
block.Append(loadArg0);
for (int bit = 0; bit < 64; bit++)
{
long mask = 1L << bit;
if ((outputs & mask) == 0)
{
continue;
}
Operand source = GetRegFromBit(bit, baseType);
long offset = NativeContext.GetRegisterOffset(source.GetRegister());
Operand addr = Local(OperandType.I64);
Operation calcOffsOp = new Operation(Instruction.Add, addr, arg0, Const(offset));
block.Append(calcOffsOp);
Operation storeOp = new Operation(Instruction.Store, null, addr, source);
block.Append(storeOp);
}
}