linux/arch/sparc/lib/strncmp_32.S
Masahiro Yamada 4cdb71b6ba sparc: replace #include <asm/export.h> with #include <linux/export.h>
Commit ddb5cdbafa ("kbuild: generate KSYMTAB entries by modpost")
deprecated <asm/export.h>, which is now a wrapper of <linux/export.h>.

Replace #include <asm/export.h> with #include <linux/export.h>.

After all the <asm/export.h> lines are converted, <asm/export.h> and
<asm-generic/export.h> will be removed.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
2023-08-22 18:12:25 +09:00

122 lines
1.3 KiB
ArmAsm

/* SPDX-License-Identifier: GPL-2.0 */
/*
* strncmp.S: Hand optimized Sparc assembly of GCC output from GNU libc
* generic strncmp routine.
*/
#include <linux/export.h>
#include <linux/linkage.h>
.text
ENTRY(strncmp)
mov %o0, %g3
mov 0, %o3
cmp %o2, 3
ble 7f
mov 0, %g2
sra %o2, 2, %o4
ldub [%g3], %o3
0:
ldub [%o1], %g2
add %g3, 1, %g3
and %o3, 0xff, %o0
cmp %o0, 0
be 8f
add %o1, 1, %o1
cmp %o0, %g2
be,a 1f
ldub [%g3], %o3
retl
sub %o0, %g2, %o0
1:
ldub [%o1], %g2
add %g3,1, %g3
and %o3, 0xff, %o0
cmp %o0, 0
be 8f
add %o1, 1, %o1
cmp %o0, %g2
be,a 1f
ldub [%g3], %o3
retl
sub %o0, %g2, %o0
1:
ldub [%o1], %g2
add %g3, 1, %g3
and %o3, 0xff, %o0
cmp %o0, 0
be 8f
add %o1, 1, %o1
cmp %o0, %g2
be,a 1f
ldub [%g3], %o3
retl
sub %o0, %g2, %o0
1:
ldub [%o1], %g2
add %g3, 1, %g3
and %o3, 0xff, %o0
cmp %o0, 0
be 8f
add %o1, 1, %o1
cmp %o0, %g2
be 1f
add %o4, -1, %o4
retl
sub %o0, %g2, %o0
1:
cmp %o4, 0
bg,a 0b
ldub [%g3], %o3
b 7f
and %o2, 3, %o2
9:
ldub [%o1], %g2
add %g3, 1, %g3
and %o3, 0xff, %o0
cmp %o0, 0
be 8f
add %o1, 1, %o1
cmp %o0, %g2
be 7f
add %o2, -1, %o2
8:
retl
sub %o0, %g2, %o0
7:
cmp %o2, 0
bg,a 9b
ldub [%g3], %o3
and %g2, 0xff, %o0
retl
sub %o3, %o0, %o0
ENDPROC(strncmp)
EXPORT_SYMBOL(strncmp)