[LLVMdev] Disassembly broken?

[Eric Christopher]

Ah, sometimes things get lost. How about resubmitting the patch and cc'ing
me and grosbach at apple.com?

Thanks!

-eric


On Thu, Dec 27, 2012 at 5:17 PM, Greg Fitzgerald <garious at gmail.com> wrote:

> Yep, b.w using ARM's "alternative syntax" is broken.  Luckily, though LLVM
> bitcode doesn't compile to this form, and will always use a label instead.
>  Here's a patch that only acknowledges the broken instructions:
>
>
> https://github.com/garious/llvm/commit/916c4badd816178da9fdbac5b5ed2331a7201f98
>
> I submitted this to llvm-commits a while back, but nobody replied.  :(
>
> -Greg
>
>
>
> On Thu, Dec 27, 2012 at 4:20 PM, Vladimir Pouzanov <farcaller at gmail.com>wrote:
>
>> Hi all.
>>
>> I came across a strange behaviour in the instruction printer for Thumbv2:
>>
>> The instruction is 0xf000b800, which is a b.w #0
>>
>> LLVM returns it as b.w #-262144, which doesn't make any sense to me.
>>
>> Should I consider it a bug?
>>
>> --
>> Vladimir Pouzanov
>> http://www.farcaller.net/
>>
>>
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>
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