[LLVMdev] Performance regression on ARM

[C Bergström]

On Sun, Oct 19, 2014 at 6:45 AM, Joerg Sonnenberger <joerg at britannica.bec.de
> wrote:

> On Sun, Oct 19, 2014 at 06:31:24AM +0700, C Bergström wrote:
> > I apologize that I haven't been able to follow this thread entirely, but
> if
> > someone gives me a Fortran testcase I can check what Fortran+llvm would
> do
> > currently and maybe give more feedback.
>
> Short version: if you multiple or divide a complex number by a real
> number, is it valid to just do the trivial component wise computation?
> What about multiplying with / dividing by a pure imaginary number?
>

I'll try to get a solid answer, but for clarity.. Fortran has types REAL
and CMPLX. I'm not sure if you mean INT or REAL when you say "real" number..
https://gcc.gnu.org/onlinedocs/gfortran/CMPLX.html
https://gcc.gnu.org/onlinedocs/gfortran/REAL.html
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