~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/sparc/lib/strncmp_32.S

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 /*
  3  * strncmp.S: Hand optimized Sparc assembly of GCC output from GNU libc
  4  *            generic strncmp routine.
  5  */
  6 
  7 #include <linux/export.h>
  8 #include <linux/linkage.h>
  9 
 10         .text
 11 ENTRY(strncmp)
 12         mov     %o0, %g3
 13         mov     0, %o3
 14 
 15         cmp     %o2, 3
 16         ble     7f
 17          mov    0, %g2
 18 
 19         sra     %o2, 2, %o4
 20         ldub    [%g3], %o3
 21 
 22 0:
 23         ldub    [%o1], %g2
 24         add     %g3, 1, %g3
 25         and     %o3, 0xff, %o0
 26 
 27         cmp     %o0, 0
 28         be      8f
 29          add    %o1, 1, %o1
 30 
 31         cmp     %o0, %g2
 32         be,a    1f
 33          ldub   [%g3], %o3
 34 
 35         retl
 36          sub    %o0, %g2, %o0
 37 
 38 1:
 39         ldub    [%o1], %g2
 40         add     %g3,1, %g3
 41         and     %o3, 0xff, %o0
 42 
 43         cmp     %o0, 0
 44         be      8f
 45          add    %o1, 1, %o1
 46 
 47         cmp     %o0, %g2
 48         be,a    1f
 49          ldub   [%g3], %o3
 50 
 51         retl
 52          sub    %o0, %g2, %o0
 53 
 54 1:
 55         ldub    [%o1], %g2
 56         add     %g3, 1, %g3
 57         and     %o3, 0xff, %o0
 58 
 59         cmp     %o0, 0
 60         be      8f
 61          add    %o1, 1, %o1
 62 
 63         cmp     %o0, %g2
 64         be,a    1f
 65          ldub   [%g3], %o3
 66 
 67         retl
 68          sub    %o0, %g2, %o0
 69 
 70 1:
 71         ldub    [%o1], %g2
 72         add     %g3, 1, %g3
 73         and     %o3, 0xff, %o0
 74 
 75         cmp     %o0, 0
 76         be      8f
 77          add    %o1, 1, %o1
 78 
 79         cmp     %o0, %g2
 80         be      1f
 81          add    %o4, -1, %o4
 82 
 83         retl
 84          sub    %o0, %g2, %o0
 85 
 86 1:
 87 
 88         cmp     %o4, 0
 89         bg,a    0b
 90          ldub   [%g3], %o3
 91 
 92         b       7f
 93          and    %o2, 3, %o2
 94 
 95 9:
 96         ldub    [%o1], %g2
 97         add     %g3, 1, %g3
 98         and     %o3, 0xff, %o0
 99 
100         cmp     %o0, 0
101         be      8f
102          add    %o1, 1, %o1
103 
104         cmp     %o0, %g2
105         be      7f
106          add    %o2, -1, %o2
107 
108 8:
109         retl
110          sub    %o0, %g2, %o0
111 
112 7:
113         cmp     %o2, 0
114         bg,a    9b
115          ldub   [%g3], %o3
116 
117         and     %g2, 0xff, %o0
118         retl
119          sub    %o3, %o0, %o0
120 ENDPROC(strncmp)
121 EXPORT_SYMBOL(strncmp)

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

sflogo.php