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Linux/arch/arm/lib/lshrdi3.S

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Diff markup

Differences between /arch/arm/lib/lshrdi3.S (Architecture sparc64) and /arch/sparc/lib/lshrdi3.S (Architecture sparc)

  1 /* Copyright 1995, 1996, 1998, 1999, 2000, 200 !!   1 /* SPDX-License-Identifier: GPL-2.0 */
  2    Free Software Foundation, Inc.              !!   2 #include <linux/export.h>
  3                                                << 
  4 This file is free software; you can redistribu << 
  5 under the terms of the GNU General Public Lice << 
  6 Free Software Foundation; either version 2, or << 
  7 later version.                                 << 
  8                                                << 
  9 In addition to the permissions in the GNU Gene << 
 10 Free Software Foundation gives you unlimited p << 
 11 compiled version of this file into combination << 
 12 and to distribute those combinations without a << 
 13 from the use of this file.  (The General Publi << 
 14 do apply in other respects; for example, they  << 
 15 the file, and distribution when not linked int << 
 16 executable.)                                   << 
 17                                                << 
 18 This file is distributed in the hope that it w << 
 19 WITHOUT ANY WARRANTY; without even the implied << 
 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PU << 
 21 General Public License for more details.       << 
 22                                                << 
 23 You should have received a copy of the GNU Gen << 
 24 along with this program; see the file COPYING. << 
 25 the Free Software Foundation, 51 Franklin Stre << 
 26 Boston, MA 02110-1301, USA.  */                << 
 27                                                << 
 28                                                << 
 29 #include <linux/linkage.h>                          3 #include <linux/linkage.h>
 30 #include <asm/assembler.h>                     << 
 31                                                << 
 32 #ifdef __ARMEB__                               << 
 33 #define al r1                                  << 
 34 #define ah r0                                  << 
 35 #else                                          << 
 36 #define al r0                                  << 
 37 #define ah r1                                  << 
 38 #endif                                         << 
 39                                                     4 
 40 ENTRY(__lshrdi3)                                    5 ENTRY(__lshrdi3)
 41 ENTRY(__aeabi_llsr)                            !!   6         cmp     %o2, 0
 42                                                !!   7         be      3f
 43         subs    r3, r2, #32                    !!   8          mov    0x20, %g2
 44         rsb     ip, r2, #32                    !!   9 
 45         movmi   al, al, lsr r2                 !!  10         sub     %g2, %o2, %g2
 46         movpl   al, ah, lsr r3                 !!  11         cmp     %g2, 0
 47  ARM(   orrmi   al, al, ah, lsl ip      )      !!  12         bg      1f
 48  THUMB( lslmi   r3, ah, ip              )      !!  13          srl    %o0, %o2, %o4
 49  THUMB( orrmi   al, al, r3              )      !!  14 
 50         mov     ah, ah, lsr r2                 !!  15         clr     %o4
 51         ret     lr                             !!  16         neg     %g2
 52                                                !!  17         b       2f
                                                   >>  18          srl    %o0, %g2, %o5
                                                   >>  19 1:
                                                   >>  20         sll  %o0, %g2, %g3
                                                   >>  21         srl  %o1, %o2, %g2
                                                   >>  22         or  %g2, %g3, %o5
                                                   >>  23 2:
                                                   >>  24         mov  %o4, %o0
                                                   >>  25         mov  %o5, %o1
                                                   >>  26 3:
                                                   >>  27         retl 
                                                   >>  28          nop 
 53 ENDPROC(__lshrdi3)                                 29 ENDPROC(__lshrdi3)
 54 ENDPROC(__aeabi_llsr)                          !!  30 EXPORT_SYMBOL(__lshrdi3)
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