[0/7] Type promotion pass and elimination of zext/sext

[Renlin Li]

Hi Andrew,

Previously, there is a discussion thread in binutils mailing list:

https://sourceware.org/ml/binutils/2015-04/msg00032.html

Nick proposed a way to fix, Richard Henderson hold similar opinion as you.

Regards,
Renlin

On 07/09/15 12:45, pinskia@gmail.com wrote:
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>
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>> On Sep 7, 2015, at 7:22 PM, Kugan <kugan.vivekanandarajah@linaro.org> wrote:
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>> On 07/09/15 20:46, Wilco Dijkstra wrote:
>>>> Kugan wrote:
>>>> 2. vector-compare-1.c from c-c++-common/torture fails to assemble with
>>>> -O3 -g Error: unaligned opcodes detected in executable segment. It works
>>>> fine if I remove the -g. I am looking into it and needs to be fixed as well.
>>> This is a known assembler bug I found a while back, Renlin is looking into it.
>>> Basically when debug tables are inserted at the end of a code section the
>>> assembler doesn't align to the alignment required by the debug tables.
>> This is precisely what seems to be happening. Renlin, could you please
>> let me know when you have a patch (even if it is a prototype or a hack).
>
> I had noticed that but I read through the assembler code and it sounded very much like it was a designed this way and that the compiler was not supposed to emit assembly like this and fix up the alignment.
>
> Thanks,
> Andrew
>
>> Thanks,
>> Kugan