^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Sparc64 optimized strncmp code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/linkage.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <asm/asi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <asm/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) .text
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) ENTRY(strncmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) brlez,pn %o2, 3f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) lduba [%o0] (ASI_PNF), %o3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) add %o0, 1, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) ldub [%o1], %o4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) brz,pn %o3, 2f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) add %o1, 1, %o1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) cmp %o3, %o4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) bne,pn %icc, 2f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) subcc %o2, 1, %o2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) bne,a,pt %xcc, 1b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) ldub [%o0], %o3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) retl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) sub %o3, %o4, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) retl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) clr %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) ENDPROC(strncmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) EXPORT_SYMBOL(strncmp)