memmov/memset/memcpy without libc

[Georg-Johann Lay]

Andreas Geißler schrieb:
> Hi,
> I'm trying to port gcc for my own target system.
> I want to avoid the compilation of libc, therefore i use
> -nodefaultlibs for compiling.
> But if I want to still use memmov/memset/memcpy where do i have describe them?
> A define expand memmov does not seem to be sufficient.
> 
> Tanks in advance.
> 
> Best regards,
> Andreas

You could supply implementations in an own library or put them in libgcc.

Usage of memmov depends on MOVE_RATIO, similar for the other mem insn.