[PATCH] Add Thumb2 load byte instructions in check for same address

Chad Rosier chad.rosier at gmail.com
Mon Aug 5 14:21:54 PDT 2013


LGTM, but perhaps Jim or someone else would like to comment?

 Chad

On Fri, Aug 2, 2013 at 2:28 PM, Daniel Stewart <stewartd at codeaurora.org>wrote:

> When determining if two different loads are from the same base address,
> this patch allows one load to use a t2LDRi8 address mode and another to use
> a t2LDRi12 address mode. The current implementation is very conservative
> and this allows the case of differing Thumb2 byte loads to be considered.
> Allowing these differing modes instead of forcing the exact same opcode is
> useful for situations where one opcodes loads from a base address+1 and a
> second opcode loads for a base address-1.****
>
> ** **
>
> Daniel Stewart****
>
> ** **
>
> _______________________________________________
> llvm-commits mailing list
> llvm-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20130805/cc830d21/attachment.html>


More information about the llvm-commits mailing list