[llvm-commits] [llvm] r46727 - /llvm/trunk/include/llvm/IntrinsicsX86.td

[Evan Cheng]

With or without...

On Feb 5, 2008, at 11:39 AM, Chris Lattner wrote:

>
> On Feb 5, 2008, at 11:37 AM, Evan Cheng wrote:
>
>>> That means you have to know whether you've got SSE4.1 in the FE.
>>> This is not an insuperable obstacle, but I think it's better to  
>>> leave
>>> target
>>> dependencies in the BE when possible.
>>
>> Even with SSE4.1, it's a good idea to lower them to extract element
>> instructions. X86ISelLoweringhas all the information necessary to
>> determine what instructions to they should be selected to.
>
> Do you mean 'even without SSE4.1'?
>
> -Chris
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