Commit | Line | Data |
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4b565680 TY |
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 | |
13da9e20 LT |
69 | |
70 | #define __BYTE_ORDER __LITTLE_ENDIAN | |
71 | ||
72 |