[PATCH] D18036: Enabling multiple letters and digits in constraints

[Konstantin Vladimirov via llvm-commits]

Tilir added a comment.

In http://reviews.llvm.org/D18036#372495, @echristo wrote:

> This is unacceptable for 3.7. Please go ahead and resubmit against ToT if you'd like it there.
>
> What compatibility are we trying to accomplish here with this?
>
> -eric


Resubmitted against ToT

GCC inline assembler constraints compatibility. I found it on private backend, where GCC constraints like "A32" were widely used in inlkine assembelr, and it seems now there are no way to use them. So I asked in mailing list and then made this patch.


http://reviews.llvm.org/D18036