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[/] [or1k/] [trunk/] [newlib/] [newlib/] [libc/] [machine/] [i386/] [memset.S] - Rev 1765

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/*
 * ====================================================
 * Copyright (C) 1998 by Cygnus Solutions. All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this
 * software is freely granted, provided that this notice
 * is preserved.
 * ====================================================
 */

        #include "i386mach.h"

        .global SYM (memset)

SYM (memset):

        pushl ebp
        movl esp,ebp
        pushl edi
        pushl ebx
        movl 8(ebp),edi
        movl 12(ebp),eax
        movl 16(ebp),ecx
        cld

#ifndef __OPTIMIZE_SIZE__
        andl $255,eax
        movl ecx,ebx
        testl $3,edi
        jne .L19
        cmpl $16,ecx
        jbe .L19

        movl eax,edx
        sall $8,eax
        orl edx,eax

        movl eax,edx
        sall $16,edx
        orl edx,eax

        shrl $2,ecx
        andl $3,ebx
        rep
        stosl
        movl ebx,ecx
#endif /* not __OPTIMIZE_SIZE__ */
        
.L19:
        rep
        stosb

        movl 8(ebp),eax

        leal -8(ebp),esp
        popl ebx
        popl edi
        leave
        ret

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