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27 lines
412 B
27 lines
412 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* $Id: memchr.S,v 1.1 2000/04/14 16:49:01 mjd Exp $ |
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* |
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* "memchr" implementation of SuperH |
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* |
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* Copyright (C) 1999 Niibe Yutaka |
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* |
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*/ |
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/* |
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* void *memchr(const void *s, int c, size_t n); |
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*/ |
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#include <linux/linkage.h> |
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ENTRY(memchr) |
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tst r6,r6 |
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bt/s 2f |
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exts.b r5,r5 |
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1: mov.b @r4,r1 |
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cmp/eq r1,r5 |
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bt/s 3f |
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dt r6 |
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bf/s 1b |
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add #1,r4 |
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2: mov #0,r4 |
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3: rts |
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mov r4,r0
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