Revision 050a4f341f35bf51db321c7f68700f9e0b1a7552 authored by Jens Axboe on 04 January 2023, 21:44:02 UTC, committed by Jens Axboe on 04 January 2023, 21:44:02 UTC
This reverts commit 85d6ce58e493ac8b7122e2fbe3f41b94d6ebdc11. We're reinstating the pktcdvd driver, which needs this API. Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 parent ee4b4e2
ashldi3.c
// 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);
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