[llvm] r206228 - [ARM64][MC] Set the default CPU string to generic.

Filip Pizlo fpizlo at apple.com
Tue Apr 22 11:00:49 PDT 2014

On April 22, 2014 at 10:58:21 AM, Tim Northover (t.p.northover at gmail.com) wrote:

> In the case of the C API, I think it's better to have a hard line. It's a 
> stable API. It shouldn't be broken. 

So we can never again change the default CPU on any target because 
some user of the C API may be relying on it? That *is* insane, and I 
strongly oppose a move in that direction. 
No, I'm saying that the default CPU in the JIT should always be the CPU we're actually running on.  That's not insane, that's how any sensible JIT would work.


As I understand it, you're still getting the code you ask for, just a 
less efficient version of it. 

> In the future, I would hope that such changes are reverted until a proper 
> fix is in place. 

Patches welcome. 

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