[llvm] r175314 - Use the 'target-features' and 'target-cpu' attributes to reset the subtarget features.

[Bill Wendling]

On Feb 15, 2013, at 2:42 PM, Hal Finkel <hfinkel at anl.gov> wrote:

> ----- Original Message -----
>> From: "Bill Wendling" <isanbard at gmail.com>
>> To: llvm-commits at cs.uiuc.edu
>> Sent: Friday, February 15, 2013 4:31:28 PM
>> Subject: [llvm] r175314 - Use the 'target-features' and 'target-cpu'	attributes to reset the subtarget features.
>> 
>> Author: void
>> Date: Fri Feb 15 16:31:27 2013
>> New Revision: 175314
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=175314&view=rev
>> Log:
>> Use the 'target-features' and 'target-cpu' attributes to reset the
>> subtarget features.
> 
> Are you going to make this change for all targets, or are you leaving that to everyone else?
> 
I'm leaving it to the target owners to add this support when they're ready.

> How are we doing to handle IR passes that use target features through TTI?
> 
Good question...It will be part of some cleanup work that I'm planning on doing next.

> This is an important feature, thanks for working on it!
> 
You're welcome :)

-bw