// SPDX-License-Identifier: GPL-2.0-or-later /* */ #include <linux/export.h> #include <linux/libgcc.h> long long notrace __ashrdi3(long long u, word_type b) { DWunion uu, w; word_type bm; if (b == 0) return u; uu.ll = u; bm = 32 - b; if (bm <= 0) { /* w.s.high = 1..1 or 0..0 */ w.s.high = uu.s.high >> 31; w.s.low = uu.s.high >> -bm; } else { const unsigned int carries = (unsigned int) uu.s.high << bm; w.s.high = uu.s.high >> b; w.s.low = ((unsigned int) uu.s.low >> b) | carries; } return w.ll; } EXPORT_SYMBOL(__ashrdi3);