Re: [Qemu-devel] [PATCH 5/6] Do constant folding for shift operations.

[Richard Henderson]

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~