~0U is -1, not 1
Reported-by: Anatoly Pugachev <matorola@gmail.com>
Tested-by: Anatoly Pugachev <matorola@gmail.com>
Fixes: fdf8bee96f9a "sparc64: propagate the calling convention changes down to __csum_partial_copy_...()"
X-brown-paperbag: yes
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 FUNC_NAME:             /* %o0=src, %o1=dst, %o2=len */
        LOAD(prefetch, %o0 + 0x000, #n_reads)
        xor             %o0, %o1, %g1
-       mov             1, %o3
+       mov             -1, %o3
        clr             %o4
        andcc           %g1, 0x3, %g0
        bne,pn          %icc, 95f