diff options
Diffstat (limited to 'arch/parisc/lib/libgcc/__udivmodsi4.c')
-rw-r--r-- | arch/parisc/lib/libgcc/__udivmodsi4.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/parisc/lib/libgcc/__udivmodsi4.c b/arch/parisc/lib/libgcc/__udivmodsi4.c new file mode 100644 index 00000000000..2a2fc28b202 --- /dev/null +++ b/arch/parisc/lib/libgcc/__udivmodsi4.c @@ -0,0 +1,31 @@ +#include "libgcc.h" + +u32 __udivmodsi4(u32 num, u32 den, u32 * rem_p) +{ + u32 quot = 0, qbit = 1; + + if (den == 0) { + BUG(); + } + + /* Left-justify denominator and count shift */ + while ((s32) den >= 0) { + den <<= 1; + qbit <<= 1; + } + + while (qbit) { + if (den <= num) { + num -= den; + quot += qbit; + } + den >>= 1; + qbit >>= 1; + } + + if (rem_p) + *rem_p = num; + + return quot; +} +EXPORT_SYMBOL(__udivmodsi4); |