blob: fde1bec7cf5ac431972b36b74104d6da3e30b190 [file] [log] [blame]
Aurelien Jacquiot09831ca2011-10-04 11:15:51 -04001;; Copyright (C) 2010 Texas Instruments Incorporated
2;; Contributed by Mark Salter <msalter@redhat.com>.
3;;
4;; This program is free software; you can redistribute it and/or modify
5;; it under the terms of the GNU General Public License as published by
6;; the Free Software Foundation; either version 2 of the License, or
7;; (at your option) any later version.
8;;
9;; This program is distributed in the hope that it will be useful,
10;; but WITHOUT ANY WARRANTY; without even the implied warranty of
11;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12;; GNU General Public License for more details.
13;;
14;; You should have received a copy of the GNU General Public License
15;; along with this program; if not, write to the Free Software
16;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18;; uint64_t __c6xabi_llshr(uint64_t val, uint shift)
19
20#include <linux/linkage.h>
21
22 .text
23ENTRY(__c6xabi_llshr)
24 mv .l1x B4,A1
25 [!A1] b .s2 B3 ; return if zero shift count
26 mvk .s1 32,A0
27 sub .d1 A0,A1,A0
28 cmplt .l1 0,A0,A2
29 [A2] shl .s1 A5,A0,A0
30 nop
31 [!A2] neg .l1 A0,A4
32|| [A2] shru .s1 A4,A1,A4
33 [!A2] shr .s1 A5,A4,A4
34|| [A2] or .d1 A4,A0,A4
35 [!A2] shr .s1 A5,0x1f,A5
36 [A2] shr .s1 A5,A1,A5
37 bnop .s2 B3,5
38ENDPROC(__c6xabi_llshr)