Require some enhancement in CGEN for decoder of disassember

[Jie Zhang]

----- Original Message -----
From: "Doug Evans" <dje@transmeta.com>
To: "Jie Zhang" <jzhang918@hotmail.com>
Cc: "Frank Ch. Eigler" <fche@redhat.com>; <cgen@sources.redhat.com>

> Assuming I understand the issue correctly,
> "ifield assertions" is the intended way to handle this.
> [relevant insns have an additional predicate that is used
> to assert whether a particular set of field values is ok]
> If they don't work here then let's make them work.
>

Yes, I need such a mechanism. I defined a derived operand, since ifield
assertions
can only be used with them. I defined an anyof operand using the derived
operand.
But this didn't work. I tried to find the reason. But I cannot find the
predicate and the
place where it is used.

-Jie