[PATCH] [x86] Provide execution domains for scalar floating point operations.

[Quentin Colombet]

Hi Chandler,

LGTM.

> Note that this use a 'let ExeDomain = ... in' mechanism rather than threading it through all of the multiclasses the way I did in r228135. I'm interested in which approach seems more appropriate, and I'm happy to make them both converge on that.


I am not sure there is a right answer here. 'let ExeDomain = ... in' is convenient when we have a bunch of instructions we want to put on one domain. However, in the instruction per instruction case it is more verbose. That being said, I tend to prefer the 'let' writing as it makes the information stands out.

Thanks,
Q.


http://reviews.llvm.org/D7402

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