Re: [PATCH] [8/19] x86: Use -maccumulate-outgoing-args

From: Dave Jones
Date: Sat Oct 21 2006 - 13:19:56 EST


On Sat, Oct 21, 2006 at 06:51:28PM +0200, Andi Kleen wrote:
>
> This avoids some problems with gcc 4.x and earlier generating
> invalid unwind information. In 4.1 the option is default
> when unwind information is enabled.
>
> And it seems to generate smaller code too, so it's probably
> a good thing on its own. With gcc 4.0:

That's quite odd. The gcc man page mentions that
"The drawback is a notable increase in code size."
for this option. I wonder if this is just stale documentation,
or there's a reason why we're special :)

Dave

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http://www.codemonkey.org.uk
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