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syslinux-3.08-2 sources from FC4
[bootcd.git]
/
syslinux
/
memdisk
/
memset.S
1
# $Id: memset.S,v 1.1 2003/04/14 22:28:30 hpa Exp $
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#
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# memset.S
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#
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# Simple memset() implementation
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#
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.text
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.globl memset
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.type memset, @function
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memset:
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cld
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pushl %edi
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pushl %esi
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movl 12(%esp),%edi
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movzbl 16(%esp),%eax
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movl 20(%esp),%esi
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imull $0x01010101,%eax
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movl %esi,%ecx
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shrl $2,%ecx
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rep ; stosl
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movl %esi,%ecx
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andl $3,%ecx
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rep ; stosb
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movl 12(%esp),%eax
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popl %esi
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popl %edi
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ret
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.size memcpy,.-memcpy