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[2/2] Rename across ebbs

From: Bernd Schmidt <bernds at codesourcery dot com>
To: GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Fri, 27 May 2011 19:12:16 +0000
Subject: [2/2] Rename across ebbs
References: <4DDFF6F9.3090605@codesourcery.com>

This patch contains the actual changes for renaming across extended
basic blocks (where ebb here is a tree where each basic block except the
root has exactly one predecessor).

All we really have to do is reconstruct some information when starting
to scan a different bb; the open_chains list can be rebuilt from the
open_chains_set bitmap.


Bernd

Attachment: rnreg-ebb.diff
Description: Text document

References:
- [1/2] Rename across ebbs
  - From: Bernd Schmidt

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