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Patch: RTL loop opt bug

From: Dale Johannesen <dalej at apple dot com>
To: "gcc-patches at gcc dot gnu dot org Patches" <gcc-patches at gcc dot gnu dot org>
Cc: Dale Johannesen <dalej at apple dot com>
Date: Thu, 29 Apr 2004 16:53:02 -0700
Subject: Patch: RTL loop opt bug

This fixes a loop optimization bug I encountered running equake (SPEC) on the LNO branch. While I don't know of any way to get a FE to generate the failing RTL pattern (see patch) in mainline, I believe it is pretty obviously wrong there also, and that's where I'd like to fix it. Bootstrapped and tested on darwin.

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