From mboxrd@z Thu Jan  1 00:00:00 1970
From: Robert de Bath <robert$@mayday.cix.co.uk>
Subject: Re: More dev86 changes (0.16.7) [About the optimiser]
Date: Sat, 3 Aug 2002 12:01:11 +0100 (BST)
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References: <1028367438.471.5.camel@cool>
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To: Harry Kalogirou <harkal@gmx.net>
Cc: Linux-8086 <linux-8086@vger.kernel.org>

On 3 Aug 2002, Harry Kalogirou wrote:

> Hi Robert,
>
>  lately I was studing the assembly code bcc was generating and I noticed
> that it generates a lot of code like this :
>
> mov ax, 6[bp]
> mov bx, 8[bp]
> xchg ax, bx
>
> Will it be hard to convince the compiler to generate
>
> mov ax, 8[bp]
> mov bx, 6[bp]
>
> instead?

There's aren't many places xchg is used by bcc, I'd guess this one is
shifting longs but it'd help a lot if you gave me some of the original
C code too.

-- 
Rob.                          (Robert de Bath <robert$ @ debath.co.uk>)
                                       <http://www.cix.co.uk/~mayday>