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#ifndef __S390_DIV64
#define __S390_DIV64
#ifndef __s390x__
/* for do_div "base" needs to be smaller than 2^31-1 */
#define do_div(n, base) ({ \
unsigned long long __n = (n); \
unsigned long __r; \
\
asm (" slr 0,0\n" \
" l 1,%1\n" \
" srdl 0,1\n" \
" dr 0,%2\n" \
" alr 1,1\n" \
" alr 0,0\n" \
" lhi 2,1\n" \
" n 2,%1\n" \
" alr 0,2\n" \
" clr 0,%2\n" \
" jl 0f\n" \
" slr 0,%2\n" \
" ahi 1,1\n" \
"0: st 1,%1\n" \
" l 1,4+%1\n" \
" srdl 0,1\n" \
" dr 0,%2\n" \
" alr 1,1\n" \
" alr 0,0\n" \
" lhi 2,1\n" \
" n 2,4+%1\n" \
" alr 0,2\n" \
" clr 0,%2\n" \
" jl 1f\n" \
" slr 0,%2\n" \
" ahi 1,1\n" \
"1: st 1,4+%1\n" \
" lr %0,0" \
: "=d" (__r), "=m" (__n) \
: "d" (base), "m" (__n) : "0", "1", "2", "cc" ); \
(n) = (__n); \
__r; \
})
#else /* __s390x__ */
#include <asm-generic/div64.h>
#endif /* __s390x__ */
#endif
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