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// SPDX-License-Identifier: BSD-2-Clause
/*
* Copyright (c) 2015, Linaro Limited
* All rights reserved.
*/
union dword {
unsigned long long dw;
unsigned long w[2];
};
long long __aeabi_llsl(long long a, int shift);
long long __aeabi_llsl(long long a, int shift)
{
union dword dword = { .dw = a };
unsigned long hi = dword.w[1];
unsigned long lo = dword.w[0];
if (shift >= 32) {
hi = lo << (shift - 32);
lo = 0;
} else if (shift > 0) {
hi = (hi << shift) | (lo >> (32 - shift));
lo = lo << shift;
}
dword.w[1] = hi;
dword.w[0] = lo;
return dword.dw;
}
long long __aeabi_llsr(long long a, int shift);
long long __aeabi_llsr(long long a, int shift)
{
union dword dword = { .dw = a };
unsigned long hi = dword.w[1];
unsigned long lo = dword.w[0];
if (shift >= 32) {
lo = hi >> (shift - 32);
hi = 0;
} else if (shift > 0) {
lo = (lo >> shift) | (hi << (32 - shift));
hi = hi >> shift;
}
dword.w[1] = hi;
dword.w[0] = lo;
return dword.dw;
}
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