[LLVMdev] LLD: representation of a power of two value
chisophugis at gmail.com
Wed Mar 25 12:16:28 PDT 2015
On Tue, Mar 24, 2015 at 5:09 PM, Rui Ueyama <ruiu at google.com> wrote:
> It's not a big deal, but it always annoyed me a bit when I hit it, so I'll
> bring it up here.
> LLD represents an alignment X as log2(X) in some places and just X in
> other places. It's a bit confusing. Because I always think alignments in my
> mind in terms of 1, 2, 4, 8, ..., instead of 2^1, 2^2, 2^3, ..., I'd like
> to propose to always use real values.
> Any objections?
The only theoretical objection I can imagine is that you can use much less
storage for holding the log2(X). But right now that isn't causing us any
problems it seems.
-- Sean Silva
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu
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