Root/
| Source at commit 296 created 12 years 10 months ago. By ifabio, add i386 folder | |
|---|---|
| 1 | /*␊ |
| 2 | * libgcc/__ashrdi3.c␊ |
| 3 | */␊ |
| 4 | ␊ |
| 5 | #include <stdint.h>␊ |
| 6 | #include <stddef.h>␊ |
| 7 | ␊ |
| 8 | uint64_t __ashrdi3(uint64_t v, int cnt)␊ |
| 9 | {␊ |
| 10 | ␉int c = cnt & 31;␊ |
| 11 | ␉uint32_t vl = (uint32_t) v;␊ |
| 12 | ␉uint32_t vh = (uint32_t) (v >> 32);␊ |
| 13 | ␊ |
| 14 | ␉if (cnt & 32) {␊ |
| 15 | ␉␉vl = ((int32_t) vh >> c);␊ |
| 16 | ␉␉vh = (int32_t) vh >> 31;␊ |
| 17 | ␉} else {␊ |
| 18 | ␉␉vl = (vl >> c) + (vh << (32 - c));␊ |
| 19 | ␉␉vh = ((int32_t) vh >> c);␊ |
| 20 | ␉}␊ |
| 21 | ␊ |
| 22 | ␉return ((uint64_t) vh << 32) + vl;␊ |
| 23 | }␊ |
| 24 | |
