[PATCH 1/4] riscv: Use current pseudo-instructions to access the FCSR register

[Kito Cheng]

Hi Corinna:

Yeah, [4/4]  is still under discussion, thanks :)



On Tue, Jan 21, 2020 at 5:31 PM Corinna Vinschen <vinschen@redhat.com> wrote:
>
> On Jan 20 22:46, Keith Packard wrote:
> > Use fscsr and frcsr to store and read the FCSR register instead of
> > fssr and frsr.
> >
> > Signed-off-by: Keith Packard <keithp@keithp.com>
> > ---
> >  newlib/libc/machine/riscv/ieeefp.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/newlib/libc/machine/riscv/ieeefp.c b/newlib/libc/machine/riscv/ieeefp.c
> > index 9094cc651..68ace0b09 100644
> > --- a/newlib/libc/machine/riscv/ieeefp.c
> > +++ b/newlib/libc/machine/riscv/ieeefp.c
> > @@ -15,14 +15,14 @@
> >  static void
> >  fssr(unsigned value)
> >  {
> > -  asm volatile ("fssr %0" :: "r"(value));
> > +  asm volatile ("fscsr %0" :: "r"(value));
> >  }
> >
> >  static unsigned
> >  frsr()
> >  {
> >    unsigned value;
> > -  asm volatile ("frsr %0" : "=r" (value));
> > +  asm volatile ("frcsr %0" : "=r" (value));
> >    return value;
> >  }
> >
> > --
> > 2.25.0.rc1
>
> Patches 1-3 pushed.  Patch 4 is still under discussion, iiuc?
>
> Keith, a --cover-letter for patch series would be nice, if only
> to allow patchset-wide discussions to appear in a neutral place :)
>
>
> Thanks,
> Corinna
>
> --
> Corinna Vinschen
> Cygwin Maintainer
> Red Hat