public override void ExitNeg1(ssuplParser.Neg1Context context)
{
//neg : MINUS neg
typeAttr.Put(context, type(context.neg()));
switch (type(context.neg()))
{
case VarType.INT:
code.Put(context,
code.Get(context.neg()),
"pop rax", //value from neg
"neg rax",
"push rax"
);
break;
case VarType.DOUBLE:
code.Put(context,
code.Get(context.neg()),
"movq xmm1, [rsp]", //pop value
"xorpd xmm0,xmm0", //fast 0
"subsd xmm0,xmm1", //negate
"movq [rsp], xmm0" //push result
);
break;
}
}
public override void ExitNeg1(ssuplParser.Neg1Context context)
{
//neg : MINUS neg
code.Put(context,
code.Get(context.neg()),
"pop rax", //value from neg
"neg rax",
"push rax"
);
}
/// <summary>
/// Exit a parse tree produced by the <c>neg1</c>
/// labeled alternative in <see cref="ssuplParser.neg"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitNeg1([NotNull] ssuplParser.Neg1Context context)
{
}
