threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
122 lines
1.3 KiB
ArmAsm
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/linkage.h>
|
|
#include <asm/export.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)
|