[PATCH] T3/T4 sparc shifts, plus more timings

David Miller davem at davemloft.net
Sat Mar 30 03:08:16 CET 2013


From: Torbjorn Granlund <tg at gmplib.org>
Date: Sat, 30 Mar 2013 02:46:09 +0100

> David Miller <davem at davemloft.net> writes:
> 
>   So here is a working generic 64-bit sparc lshift.asm that seems
>   to work well on all chips.
>   
>   I'm now going to iterate over lshiftc and rshift.
>   
> I whacked off some code at the end, and generalised the resulting code
> to become a lorrshift.asm.  Some additional things should be
> streamlined, see comments in the code.

When I put this into my tree, things like "./try -s1-32 mpn_lshift"
simply hang.


More information about the gmp-devel mailing list