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Re: [patch] Prevent dead code/data removal with gcc 3.4

To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Subject: Re: [patch] Prevent dead code/data removal with gcc 3.4
From: Ralf Baechle <ralf@linux-mips.org>
Date: Fri, 13 Feb 2004 15:53:16 +0100
Cc: linux-mips@linux-mips.org
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On Fri, Feb 13, 2004 at 03:20:27PM +0100, Maciej W. Rozycki wrote:

> 2. It changes inline-assembly function prologues to be embedded within the
> functions, which makes them a bit safer as they can now explicitly refer
> to the "regs" struct and assures the code won't be removed or reordered.

It is possible that gcc changes one of the registers before save_static
and I can't imagine there's a reliable way to fix this in the inline
version.

  Ralf

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