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From: "Tom St Denis" <tomstdenis AT yahoo DOT com>
Newsgroups: comp.os.msdos.djgpp,comp.lang.c
References: <3C61E6BB DOT 7F9AD526 AT yahoo DOT com>
Subject: Re: gcc 2.953 output - is this a bug?
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Date: Thu, 07 Feb 2002 02:40:54 GMT
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"CBFalconer" <cbfalconer AT yahoo DOT com> wrote in message
news:3C61E6BB DOT 7F9AD526 AT yahoo DOT com...
> Please look at the following disassembly:
>
>  585:   8d 04 d2                lea    (%edx,%edx,8),%eax <<***
>  588:   8d 04 82                lea    (%edx,%eax,4),%eax <<***

If I get this right [in NASM notation] the two lines are

[1] lea eax,[edx+edx*8]
[2] lea eax,[edx+eax*4]

In line [1] you get eax = edx + edx * 8 = 9*edx

In line [2] you get eax = edx + 4*(9*edx) = 37 * edx

since I assume edx equals the original value, this should compute 37 * h

Tom