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 73