[LLVMdev] Contributing the Apple ARM64 compiler backend

JF Bastien jfb at google.com
Mon Mar 31 13:23:42 PDT 2014


On Mon, Mar 31, 2014 at 1:01 PM, Renato Golin <renato.golin at linaro.org>wrote:

> On 31 March 2014 20:55, Tim Northover <t.p.northover at gmail.com> wrote:
> > I'd almost prefer to leave it in for the bugs to be discovered
> > (perhaps after some simple tests of our own). ARM went wirthout
> > FastISel support on Linux for years simply because it was declared
> > Darwin-only.
>
> Given the unique opportunity we have now, I'd say we should at least
> give it a try.
>

I'm not sure I understand what you're proposing: check in with FastISel
turned on for Linux, or off? I'd be afraid of bitrot if it's off, which was
the main issue on the ARM side because code got added assuming Linux would
work the same. Does it pass the tests on Linux with FastISel, or do we at
least understand what's missing?
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