1*4882a593Smuzhiyun/* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun/* 3*4882a593Smuzhiyun * Sparc64 optimized strncmp code. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun#include <linux/linkage.h> 9*4882a593Smuzhiyun#include <asm/asi.h> 10*4882a593Smuzhiyun#include <asm/export.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun .text 13*4882a593SmuzhiyunENTRY(strncmp) 14*4882a593Smuzhiyun brlez,pn %o2, 3f 15*4882a593Smuzhiyun lduba [%o0] (ASI_PNF), %o3 16*4882a593Smuzhiyun1: 17*4882a593Smuzhiyun add %o0, 1, %o0 18*4882a593Smuzhiyun ldub [%o1], %o4 19*4882a593Smuzhiyun brz,pn %o3, 2f 20*4882a593Smuzhiyun add %o1, 1, %o1 21*4882a593Smuzhiyun cmp %o3, %o4 22*4882a593Smuzhiyun bne,pn %icc, 2f 23*4882a593Smuzhiyun subcc %o2, 1, %o2 24*4882a593Smuzhiyun bne,a,pt %xcc, 1b 25*4882a593Smuzhiyun ldub [%o0], %o3 26*4882a593Smuzhiyun2: 27*4882a593Smuzhiyun retl 28*4882a593Smuzhiyun sub %o3, %o4, %o0 29*4882a593Smuzhiyun3: 30*4882a593Smuzhiyun retl 31*4882a593Smuzhiyun clr %o0 32*4882a593SmuzhiyunENDPROC(strncmp) 33*4882a593SmuzhiyunEXPORT_SYMBOL(strncmp) 34