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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233// SPDX-License-Identifier: GPL-2.0-or-later/* */
#include <linux/export.h>
#include <linux/libgcc.h>
long long notrace __ashldi3(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.low = 0; w.s.high = (unsigned int) uu.s.low << -bm; } else { const unsigned int carries = (unsigned int) uu.s.low >> bm;
w.s.low = (unsigned int) uu.s.low << b; w.s.high = ((unsigned int) uu.s.high << b) | carries; }
return w.ll;}EXPORT_SYMBOL(__ashldi3);