| Takashi YOSHII | 4b56568 | 2006-09-27 17:15:32 +0900 | [diff] [blame] | 1 | /* |
| 2 | * These are copied from glibc/stdlib/longlong.h |
| 3 | */ |
| 4 | |
| 5 | #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ |
| 6 | do { \ |
| 7 | UWtype __x; \ |
| 8 | __x = (al) + (bl); \ |
| 9 | (sh) = (ah) + (bh) + (__x < (al)); \ |
| 10 | (sl) = __x; \ |
| 11 | } while (0) |
| 12 | |
| 13 | #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ |
| 14 | do { \ |
| 15 | UWtype __x; \ |
| 16 | __x = (al) - (bl); \ |
| 17 | (sh) = (ah) - (bh) - (__x > (al)); \ |
| 18 | (sl) = __x; \ |
| 19 | } while (0) |
| 20 | |
| 21 | #define umul_ppmm(w1, w0, u, v) \ |
| 22 | __asm__ ("dmulu.l %2,%3\n\tsts macl,%1\n\tsts mach,%0" \ |
| 23 | : "=r" ((u32)(w1)), "=r" ((u32)(w0)) \ |
| 24 | : "r" ((u32)(u)), "r" ((u32)(v)) \ |
| 25 | : "macl", "mach") |
| 26 | |
| 27 | #define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2)) |
| 28 | #define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1)) |
| 29 | #define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2)) |
| 30 | |
| 31 | #define udiv_qrnnd(q, r, n1, n0, d) \ |
| 32 | do { \ |
| 33 | UWtype __d1, __d0, __q1, __q0; \ |
| 34 | UWtype __r1, __r0, __m; \ |
| 35 | __d1 = __ll_highpart (d); \ |
| 36 | __d0 = __ll_lowpart (d); \ |
| 37 | \ |
| 38 | __r1 = (n1) % __d1; \ |
| 39 | __q1 = (n1) / __d1; \ |
| 40 | __m = (UWtype) __q1 * __d0; \ |
| 41 | __r1 = __r1 * __ll_B | __ll_highpart (n0); \ |
| 42 | if (__r1 < __m) \ |
| 43 | { \ |
| 44 | __q1--, __r1 += (d); \ |
| 45 | if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */\ |
| 46 | if (__r1 < __m) \ |
| 47 | __q1--, __r1 += (d); \ |
| 48 | } \ |
| 49 | __r1 -= __m; \ |
| 50 | \ |
| 51 | __r0 = __r1 % __d1; \ |
| 52 | __q0 = __r1 / __d1; \ |
| 53 | __m = (UWtype) __q0 * __d0; \ |
| 54 | __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ |
| 55 | if (__r0 < __m) \ |
| 56 | { \ |
| 57 | __q0--, __r0 += (d); \ |
| 58 | if (__r0 >= (d)) \ |
| 59 | if (__r0 < __m) \ |
| 60 | __q0--, __r0 += (d); \ |
| 61 | } \ |
| 62 | __r0 -= __m; \ |
| 63 | \ |
| 64 | (q) = (UWtype) __q1 * __ll_B | __q0; \ |
| 65 | (r) = __r0; \ |
| 66 | } while (0) |
| 67 | |
| 68 | #define abort() return 0 |
| 69 | |
| 70 | #define __BYTE_ORDER __LITTLE_ENDIAN |
| 71 | |
| 72 | |