Merge tag 'locking-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel...
[linux/fpc-iii.git] / arch / c6x / lib / llshl.S
blob3272499618e0b2b4a2715c92758cc2648922ccbc
1 ;; SPDX-License-Identifier: GPL-2.0-or-later
2 ;;  Copyright (C) 2010 Texas Instruments Incorporated
3 ;;  Contributed by Mark Salter <msalter@redhat.com>.
4 ;;
6 ;;  uint64_t __c6xabi_llshl(uint64_t val, uint shift)
8 #include <linux/linkage.h>
10         .text
11 ENTRY(__c6xabi_llshl)
12          mv     .l1x    B4,A1
13    [!A1] b      .s2     B3              ; just return if zero shift
14          mvk    .s1     32,A0
15          sub    .d1     A0,A1,A0
16          cmplt  .l1     0,A0,A2
17    [A2]  shru   .s1     A4,A0,A0
18    [!A2] neg    .l1     A0,A5
19 || [A2]  shl    .s1     A5,A1,A5
20    [!A2] shl    .s1     A4,A5,A5
21 || [A2]  or     .d1     A5,A0,A5
22 || [!A2] mvk    .l1     0,A4
23    [A2]  shl    .s1     A4,A1,A4
24          bnop   .s2     B3,5
25 ENDPROC(__c6xabi_llshl)