From: Dave Brolley <brolley@redhat.com>
To: Joern Rennecke <joernr@arc.com>
Cc: cgen@sources.redhat.com
Subject: Re: insert evaluation for multi-ifields broken
Date: Fri, 23 Feb 2007 17:45:00 -0000 [thread overview]
Message-ID: <45DF2825.3020808@redhat.com> (raw)
In-Reply-To: <20070222181341.GD8064@elsdt-razorfish.arc.com>
Joern Rennecke wrote:
> The real code is much more complex (80 KB .cpu file, generating - among
> other things - three decode*.c files in excess of 700 KB each).
> The multi-ifield is usually used for a register operand. However, there
> are some special instructions where this operand is not needed, so a
> bunch of them can be encoded by using different values in this field -
> I implemented this with a normal-insn-enum, which uses the multi-ifield.
> Individual values of this enum are then placed in the format of the
> the separate insns, whcih is equivalent to putting a constant into the
> field.
>
Understood and quite reasonable, but unfortunately broken. Your choices
would seem to be to fix the bug or try the workaround.
Dave
next prev parent reply other threads:[~2007-02-23 17:45 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-13 15:37 delayed branches and zero overhead loops Joern Rennecke
2007-02-13 18:51 ` Frank Ch. Eigler
2007-02-13 21:00 ` Joern Rennecke
2007-02-13 21:12 ` Frank Ch. Eigler
2007-02-13 22:21 ` Joern Rennecke
2007-02-14 17:09 ` Dave Brolley
2007-02-14 18:30 ` Joern Rennecke
2007-02-14 19:52 ` Dave Brolley
2007-02-14 20:15 ` Joern Rennecke
2007-02-16 20:54 ` Dave Brolley
2007-02-19 3:39 ` Joern Rennecke
[not found] ` <45D9C06A.4030903@redhat.com>
2007-02-19 15:56 ` Joern Rennecke
2007-02-19 16:07 ` Frank Ch. Eigler
2007-02-19 18:14 ` Joern Rennecke
2007-02-19 18:19 ` Dave Brolley
2007-02-22 15:50 ` Joern Rennecke
2007-02-22 16:08 ` insert evaluation for multi-ifields broken Joern Rennecke
2007-02-22 16:56 ` Dave Brolley
2007-02-22 18:14 ` Joern Rennecke
2007-02-23 17:45 ` Dave Brolley [this message]
2007-02-15 16:54 ` delayed branches and zero overhead loops Joern Rennecke
2007-02-14 18:58 ` decode-bitsize (Was: Re: delayed branches and zero overhead loops) Joern Rennecke
2007-02-13 19:25 ` delayed branches and zero overhead loops Doug Evans
2007-02-13 20:38 ` Joern Rennecke
2007-02-14 18:30 ` Doug Evans
2007-02-14 19:22 ` Joern Rennecke
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