^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) /* Sparc optimized memcmp code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2000, 2008 David S. Miller (davem@davemloft.net)
^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/asm.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(memcmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) cmp %o2, 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 1: BRANCH32(be, pn, 2f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) nop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) ldub [%o0], %g7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) ldub [%o1], %g3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) sub %o2, 1, %o2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) add %o0, 1, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) add %o1, 1, %o1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) subcc %g7, %g3, %g3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) BRANCH32(be, pt, 1b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) cmp %o2, 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) retl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) mov %g3, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 2: retl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) mov 0, %o0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) ENDPROC(memcmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) EXPORT_SYMBOL(memcmp)