[PATCH 0/5] Added optimized memcpy/memmove/memset for A64FX
Szabolcs Nagy
Szabolcs.Nagy@arm.com
Fri Apr 30 15:01:27 GMT 2021
The 04/29/2021 16:13, Wilco Dijkstra wrote:
> > I updated sysdeps/aarch64/sysdep.h following your advice [1].
> >
> > [1] https://github.com/NaohiroTamura/glibc/commit/c582917071e76cfed84fafb0c82cb70339294386
>
> I meant using an actual NOP in the #else case so that existing string functions
> won't change. Also note the #defines in the #if and #else need to be indented.
is that really useful?
'bti c' is already a nop if it's unsupported.
maybe it works if a64fx_memcpy.S has
#undef BTI_C
#define BTI_C
ENTRY(a64fx_memcpy)
...
to save one nop.
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