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Re: bad shifts generated in sim code

From: "Frank Ch. Eigler" <fche at redhat dot com>
To: Doug Evans <dje at transmeta dot com>
Cc: cgen at sources dot redhat dot com
Date: Fri, 13 Dec 2002 11:49:02 -0500
Subject: Re: bad shifts generated in sim code
References: <200212100840.AAA12342@xris-athlon.transmeta.com>

Hi -

On Tue, Dec 10, 2002 at 12:40:08AM -0800, Doug Evans wrote:
> I found these in sim/m32r/decodex.c
>           unsigned int val = (((insn >> -8) & (3 << 0)));
>           unsigned int val = (((insn >> -12) & (1 << 0)));
> [...]

Do these bad shifts still occur with current cgen?

FWIW, working on sim/m32r may be a short-lived pleasure, if the
target-obsoleting eagerness of gdb guys ends up getting that target
removed.  You're welcome to work in sid land. :-)

- FChE

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References:
- bad shifts generated in sim code
  - From: Doug Evans

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