[PATCH] D15899: Add -fno-movt frontend option, to disable movt/movw on ARM

Davide Italiano via cfe-commits cfe-commits at lists.llvm.org
Tue Jan 5 12:27:48 PST 2016


davide added a comment.

In http://reviews.llvm.org/D15899#319918, @dim wrote:

> In http://reviews.llvm.org/D15899#319902, @davide wrote:
>
> > I'm not opposed to this but ... this will likely it only 11 (and maybe 10.3 if backported) -- what about people running <= 10.2 ? Isn't this a problem for them?
>
>
> People running ports-provided or hand-built clang 3.8.0 or higher on older FreeBSD's can use `-fno-movt`.  For clang versions 3.7.x and earlier, they can still use the old style `-mllvm -arm-use-movt=0`.
>
> We'll fix the FreeBSD build system so it uses the right options for older and newer clang versions.


Sounds like a plan.


http://reviews.llvm.org/D15899





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