[llvm-dev] [RFC] Print FP constant assembly in hexadecimal form instead of decimal

[Nemanja Ivanovic via llvm-dev]

Seems reasonable to me, but we should make sure that various assemblers out
there support this.
I think it would make sense to try this out on some number of platforms
before proceeding. Perhaps a few Linux distros, AIX, Windows, MacOS,
FreeBSD. And of course, to make sure that LLVM's own llvm-mc understands it
:) (but I suspect this is in the mentioned patch which I haven't looked at
yet).

On Tue, Jan 28, 2020 at 4:33 PM Jacob Lifshay via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> On Tue, Jan 28, 2020 at 11:05 AM Jinsong Ji via llvm-dev
> <llvm-dev at lists.llvm.org> wrote:
> >
> > Hi:
> >
> > When debugging some floating point assembly, we found it is inconvenient
> to read the decimal constants in assembly.
> >
> > In hex form many FP numbers are immediately recognizable, their
> exponents are more obvious etc.
> > We normally use hex form in debugger or LLVM IR,
> > not sure what is the reason that we want to use decimal in assembly?
>
> This seems like a really good idea!
>
> Jacob
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