[PATCH 1/4] riscv: Use current pseudo-instructions to access the FCSR register
Corinna Vinschen
vinschen@redhat.com
Tue Jan 21 09:31:00 GMT 2020
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
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