[LLVMdev] Performance regression on ARM
joerg at britannica.bec.de
Sat Oct 18 17:25:32 PDT 2014
On Sun, Oct 19, 2014 at 06:58:53AM +0700, C Bergström wrote:
> 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..
I am using "real" in the mathematical sense, so cast/promotion from
either INT or REAL would fit.
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