1 ; 29000 __mpn_lshift --
3 ; Copyright (C) 1992, 1994 Free Software Foundation, Inc.
5 ; This file is part of the GNU MP Library.
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29 ; We use the loadm/storem instructions and operate on chunks of 8
30 ; limbs/per iteration, until less than 8 limbs remain.
45 srl gr96,gr119,gr116 ; return value
46 sub lr4,lr4,1 ; actual loop count is SIZE - 1
48 srl gr117,lr4,3 ; chuck count = (actual count) / 8
53 sub gr117,gr117,2 ; count for jmpfdec
55 ; Main loop working 8 limbs/iteration.
60 extract gr109,gr119,gr107
61 extract gr108,gr107,gr106
62 extract gr107,gr106,gr105
63 extract gr106,gr105,gr104
64 extract gr105,gr104,gr103
65 extract gr104,gr103,gr102
66 extract gr103,gr102,gr101
67 extract gr102,gr101,gr100
75 ; Code for the last up-to-7 limbs.
78 Ltail: cpeq gr118,lr4,0
80 sub lr4,lr4,2 ; count for jmpfdec
84 extract gr117,gr119,gr116
90 Lend: extract gr117,gr119,0