using 64bit computation to slightly optimize nf_inet_addr_mask
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| @@ -41,10 +41,19 @@ static inline void nf_inet_addr_mask(const union nf_inet_addr *a1, · 40 unmodified lines | |||
| 41 | union nf_inet_addr *result, | 41 | union nf_inet_addr *result, |
| 42 | const union nf_inet_addr *mask) | 42 | const union nf_inet_addr *mask) |
| 43 | { | 43 | { |
| 44 | #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64 | ||
| 45 | const unsigned long *ua = (const unsigned long *)a1; | ||
| 46 | unsigned long *ur = (unsigned long *)result; | ||
| 47 | const unsigned long *um = (const unsigned long *)mask; | ||
| 48 | |||
| 49 | ur[0] = ua[0] & um[0]; | ||
| 50 | ur[1] = ua[1] & um[1]; | ||
| 51 | #else | ||
| 44 | result->all[0] = a1->all[0] & mask->all[0]; | 52 | result->all[0] = a1->all[0] & mask->all[0]; |
| 45 | result->all[1] = a1->all[1] & mask->all[1]; | 53 | result->all[1] = a1->all[1] & mask->all[1]; |
| 46 | result->all[2] = a1->all[2] & mask->all[2]; | 54 | result->all[2] = a1->all[2] & mask->all[2]; |
| 47 | result->all[3] = a1->all[3] & mask->all[3]; | 55 | result->all[3] = a1->all[3] & mask->all[3]; |
| 56 | #endif | ||
| 48 | } | 57 | } |
| 49 | 58 | ||
| 50 | int netfilter_init(void); | 59 | int netfilter_init(void); |