1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * These are copied from glibc/stdlib/longlong.h 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ 7*4882a593Smuzhiyun do { \ 8*4882a593Smuzhiyun UWtype __x; \ 9*4882a593Smuzhiyun __x = (al) + (bl); \ 10*4882a593Smuzhiyun (sh) = (ah) + (bh) + (__x < (al)); \ 11*4882a593Smuzhiyun (sl) = __x; \ 12*4882a593Smuzhiyun } while (0) 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ 15*4882a593Smuzhiyun do { \ 16*4882a593Smuzhiyun UWtype __x; \ 17*4882a593Smuzhiyun __x = (al) - (bl); \ 18*4882a593Smuzhiyun (sh) = (ah) - (bh) - (__x > (al)); \ 19*4882a593Smuzhiyun (sl) = __x; \ 20*4882a593Smuzhiyun } while (0) 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun #define umul_ppmm(w1, w0, u, v) \ 23*4882a593Smuzhiyun __asm__ ("dmulu.l %2,%3\n\tsts macl,%1\n\tsts mach,%0" \ 24*4882a593Smuzhiyun : "=r" ((u32)(w1)), "=r" ((u32)(w0)) \ 25*4882a593Smuzhiyun : "r" ((u32)(u)), "r" ((u32)(v)) \ 26*4882a593Smuzhiyun : "macl", "mach") 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun #define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2)) 29*4882a593Smuzhiyun #define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1)) 30*4882a593Smuzhiyun #define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2)) 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #define udiv_qrnnd(q, r, n1, n0, d) \ 33*4882a593Smuzhiyun do { \ 34*4882a593Smuzhiyun UWtype __d1, __d0, __q1, __q0; \ 35*4882a593Smuzhiyun UWtype __r1, __r0, __m; \ 36*4882a593Smuzhiyun __d1 = __ll_highpart (d); \ 37*4882a593Smuzhiyun __d0 = __ll_lowpart (d); \ 38*4882a593Smuzhiyun \ 39*4882a593Smuzhiyun __r1 = (n1) % __d1; \ 40*4882a593Smuzhiyun __q1 = (n1) / __d1; \ 41*4882a593Smuzhiyun __m = (UWtype) __q1 * __d0; \ 42*4882a593Smuzhiyun __r1 = __r1 * __ll_B | __ll_highpart (n0); \ 43*4882a593Smuzhiyun if (__r1 < __m) \ 44*4882a593Smuzhiyun { \ 45*4882a593Smuzhiyun __q1--, __r1 += (d); \ 46*4882a593Smuzhiyun if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */\ 47*4882a593Smuzhiyun if (__r1 < __m) \ 48*4882a593Smuzhiyun __q1--, __r1 += (d); \ 49*4882a593Smuzhiyun } \ 50*4882a593Smuzhiyun __r1 -= __m; \ 51*4882a593Smuzhiyun \ 52*4882a593Smuzhiyun __r0 = __r1 % __d1; \ 53*4882a593Smuzhiyun __q0 = __r1 / __d1; \ 54*4882a593Smuzhiyun __m = (UWtype) __q0 * __d0; \ 55*4882a593Smuzhiyun __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ 56*4882a593Smuzhiyun if (__r0 < __m) \ 57*4882a593Smuzhiyun { \ 58*4882a593Smuzhiyun __q0--, __r0 += (d); \ 59*4882a593Smuzhiyun if (__r0 >= (d)) \ 60*4882a593Smuzhiyun if (__r0 < __m) \ 61*4882a593Smuzhiyun __q0--, __r0 += (d); \ 62*4882a593Smuzhiyun } \ 63*4882a593Smuzhiyun __r0 -= __m; \ 64*4882a593Smuzhiyun \ 65*4882a593Smuzhiyun (q) = (UWtype) __q1 * __ll_B | __q0; \ 66*4882a593Smuzhiyun (r) = __r0; \ 67*4882a593Smuzhiyun } while (0) 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun #define abort() return 0 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun #define __BYTE_ORDER __LITTLE_ENDIAN 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun 74