5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
28 lines
412 B
ArmAsm
28 lines
412 B
ArmAsm
/* 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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