[Bug binutils/10924] Bug in objdump when disassembling raw armv4t binaries

[drow at false dot org]

------- Additional Comments From drow at false dot org  2009-12-11 17:48 -------
Subject: Re:  Bug in objdump when disassembling raw
 armv4t binaries

On Fri, Dec 11, 2009 at 05:25:25PM -0000, chris at seberino dot org wrote:
> I don't think the following is UNPREDICTABLE.  Every load and store that has
> Rd == Rn isn't UNPREDICTABLE.  That only applies if the W and P bits are set.
> Or, if it is one of the "t" variants like strt.
>
> 2fc:    004000bf        strheq  r0, [r0], #-15  ; <UNPREDICTABLE>

My copy of the manual doesn't say this is unpredictable - but it
doesn't say what it means, either.  The valid versions all have P == 1
and/or W == 1.  And the post-indexed encoding is the same as strht
encoding.

I'm not quite sure what that adds up to!



-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=10924

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