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[Bug gas/19556] GNURX toolchain generates incorrect opcode for "mov.b #0


From: nickc at redhat dot com
Subject: [Bug gas/19556] GNURX toolchain generates incorrect opcode for "mov.b #0xff, [r0]" instruction.
Date: Fri, 05 Feb 2016 10:11:55 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=19556

Nick Clifton <nickc at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |nickc at redhat dot com

--- Comment #3 from Nick Clifton <nickc at redhat dot com> ---
Hi Vinay,

> The above reported testcase work fine with attched patch for r0 register.
> https://sourceware.org/bugzilla/attachment.cgi?id=8954

You need to make the patch work with all registers though, not just the r0
register.

When you do, please also make sure to run the gas testsuite on the resulting
patched assembler.  I found that just adding F($8, 9, 3) to your new patterns
actually resulted in some new failures ...

Cheers
  Nick

PS.  If you prefer I can have a go at fixing the bug, but I thought that you
might find it useful to experiment with fixing it yourself.

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