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Re: Question of pipeline description

From: James E Wilson <wilson at specifix dot com>
To: Ling-hua Tseng <uranus at it dot muds dot net>
Cc: gcc at gcc dot gnu dot org
Date: Mon, 22 Aug 2005 12:13:29 -0700
Subject: Re: Question of pipeline description
References: <000301c5a4d1$5b932fe0$0201a8c0@uranus>

Ling-hua Tseng wrote:
> It's only correct if the two RISC insns reserved the same RISC function
> unit.

Try defining two separate reservations for each pipe, e.g. a
risc_data_processing_r0 and a risc_data_processing_r1.  Then you can
write the bypass rule in the obvious way.
-- 
Jim Wilson, GNU Tools Support, http://www.specifix.com

References:
- Question of pipeline description
  - From: Ling-hua Tseng

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