[LLVMdev] Use of movupd instead of movapd for x86

[Chris Lattner]

On Feb 25, 2011, at 12:54 AM, Sebastien DELDON-GNB wrote:

> Hi all,
>  
>  
> Is there a way to force llc to generate movupd instruction instead of movapd for x86 target ?
> I know that movapd is more performant, but I would like to measure degradation when alignment constraints are not met.
>  

You can hack loads and stores to have alignment of 1 in the IR, or hack LLC itself.

-Chris

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