1 /* MN10300 64-bit arithmetic left shift
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
11 #include <asm/cache.h>
14 .balign L1_CACHE_BYTES
16 ###############################################################################
18 # unsigned long long __ashldi3(unsigned long long value [D1:D0],
19 # unsigned by [(12,SP)])
21 ###############################################################################
23 .type __ashldi3,@function
32 # the count is in the range 1-31
36 sub a0,a1,a1 # a1 = 32 - count
37 lsr a1,d0,a1 # get overflow from LSW -> MSW
39 or_asl a1,d1,a0,d0 # insert overflow into MSW and
43 .balign L1_CACHE_BYTES
44 # the count is in the range 32-63
51 .size __ashldi3, .-__ashldi3