From: "Frank Ch. Eigler" <fche@redhat.com>
To: Sergey Belyashov <sergey.belyashov@gmail.com>
Cc: Sergey Belyashov via Cgen <cgen@sourceware.org>
Subject: Re: BUG: non-fixed-length ISAs are unsupported for now
Date: Tue, 11 Aug 2020 12:08:47 -0400 [thread overview]
Message-ID: <20200811160847.GB20457@redhat.com> (raw)
In-Reply-To: <CAOe0RDw6QWgRBRpiJ1Yr7scXrVPi-0z-DAFT8s8a+9RABh+S-A@mail.gmail.com>
Hi -
> I have already tried to stay within one ISA but my attempt fails. You
> may look here for full source of my try:
OK, yeah sounds like you tried along the same direction!
I don't see anything obviously wrong.
> https://github.com/b-s-a/binutils-gdb/blob/z80-cgen/cpu/z80.cpu
> (invalid decoder is generated for last 2 lines - "reti" (ED 4D) and
> "retn" (ED 45) instructions, I have tried many types of ifields with
> same result, but these are simpler to read). I cannot understand what
> I'm doing wrong.
Does it work if you comment out all other instructions? If yes, then
I'd approach it with a bisection-like procedure to identify the real
source of conflict.
- FChE
next prev parent reply other threads:[~2020-08-11 16:08 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-23 13:37 Sergey Belyashov
2020-04-27 16:29 ` Frank Ch. Eigler
2020-04-27 17:00 ` Sergey Belyashov
2020-04-27 17:52 ` Sergey Belyashov
2020-04-27 18:03 ` Jose E. Marchesi
2020-04-27 19:34 ` Sergey Belyashov
2020-04-27 20:01 ` Jose E. Marchesi
2020-04-27 20:23 ` Sergey Belyashov
2020-04-29 19:11 ` Sergey Belyashov
2020-07-30 9:11 ` Sergey Belyashov
2020-08-11 15:38 ` Frank Ch. Eigler
2020-08-11 15:57 ` Sergey Belyashov
2020-08-11 16:08 ` Frank Ch. Eigler [this message]
2020-08-12 13:59 ` Sergey Belyashov
2020-08-12 18:36 ` Frank Ch. Eigler
2020-08-12 18:53 ` Jose E. Marchesi
2020-08-12 19:19 ` Sergey Belyashov
2020-08-12 19:21 ` Frank Ch. Eigler
2020-08-12 19:27 ` Jose E. Marchesi
2020-08-12 19:44 ` Sergey Belyashov
2020-08-12 19:57 ` Frank Ch. Eigler
2020-08-13 13:34 ` Sergey Belyashov
2020-08-13 14:32 ` Frank Ch. Eigler
2020-08-13 14:47 ` Sergey Belyashov
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