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From: "Charles Sandmann" <sandmann AT clio DOT rice DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Assembly Question:
Date: Sun, 10 Feb 2002 23:05:59
Organization: Aspen Technology, Inc.
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>    gcc makes the following .S code: (Without the lines numbers.)

> 12 _main:
> 13 pushl %ebp
> 14 movl %esp, %ebp
> 15 subl $8, %esp
> 16 andl $-16, %esp

>    What is the purpose of the lines 15 and 16 ?

I believe it is to align the stack on a 16-byte boundary for better
performance.