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Re: inserting instructions into prologue/epilogue

From: Nathan Sidwell <nathan at codesourcery dot com>
To: Nathan Sidwell <nathan at codesourcery dot com>
Cc: Gunther Nikl <gni at gecko dot de>, gcc at gcc dot gnu dot org
Date: Wed, 03 Aug 2005 15:53:21 +0100
Subject: Re: inserting instructions into prologue/epilogue
References: <20050803144045.GA19698@lorien.int.gecko.de> <42F0D9A1.1010009@codesourcery.com>

Nathan Sidwell wrote:

you can add a (USE reg) after the restore in the prologue. Then flow

in the EPILOGUE, of course

considers the register, and the preceding load, to be live at that point.

nathan

--
Nathan Sidwell    ::   http://www.codesourcery.com   ::     CodeSourcery LLC
nathan@codesourcery.com    ::     http://www.planetfall.pwp.blueyonder.co.uk

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References:
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  - From: Gunther Nikl
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