[PATCH] [AArch64] Generate tbz/tbnz when comparing against zero.

[Jiangning Liu]

Hi Chad,

I'm happy with this, and your new patch looks good to me if only you can
add more comments in the code around excluding AND, because at the first
look it's strange.

Thanks,
-Jiangning

2014-07-30 0:02 GMT+08:00 Chad Rosier <mcrosier at codeaurora.org>:

> >>! In D4440#12, @mcrosier wrote:
> > The performance numbers are slightly better, but still less than noise.
>  All, please take a look.
>
> To be clear, the numbers are slightly better relative to the ADD/SUB only
> combine.  Overall, we still see a large improvement in eembc/OAv2.
>
> http://reviews.llvm.org/D4440
>
>
>
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