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Subject: Re: [Qemu-devel] [PATCH 5/6] Do constant folding for shift
	operations.
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To: Blue Swirl <blauwirbel@gmail.com>
Cc: mj.mccormack@samsung.com, qemu-devel@nongnu.org, zhur@ispras.ru, Kirill Batuzov <batuzovk@ispras.ru>

On 05/27/2011 10:07 AM, Blue Swirl wrote:
>> The C99 hook exists to efficiently support targets that don't have
>> arithmetic shift operations.  Honestly.
> 
> So it would be impossible for a compiler developer to change the logic
> for shifts for some supported two's-complement logic CPUs (like x86)
> just because it's legal?

Not without being lynched, no.


r~