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Re: [PATCH] Implementing Swing Modulo Scheduling in GCC - Minor chagesafter tree-ssa merge.

From: Paolo Bonzini <bonzini at gnu dot org>
To: gcc-patches at gcc dot gnu dot org
Date: Mon, 24 May 2004 17:16:52 +0200
Subject: Re: [PATCH] Implementing Swing Modulo Scheduling in GCC - Minor chagesafter tree-ssa merge.
References: <OF95B8C779.79B87E06-ONC2256E9E.004E0924-C2256E9E.004F0558@il.ibm.com>

+ @item -fmodulo-sched
+ @opindex fmodulo-sched
+ Perform SMS modulo scheduling immediately before the first scheduling
+ pass.

You should rephrase this, like

Perform swing modulo scheduling immediately before the first scheduling
pass.  This pass looks at innermost loops and reorders their
instructions by overlapping different iterations.

BTW, why is it disnabled even at -O3?

Regards,

Paolo

References:
- [PATCH] Implementing Swing Modulo Scheduling in GCC - Minor chages aftertree-ssa merge.
  - From: Mostafa Hagog

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