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Re: Instruction scheduling

From: Ian Lance Taylor <iant at google dot com>
To: pavankumar at cse dot iitb dot ac dot in
Cc: gcc-help at gcc dot gnu dot org
Date: 20 Feb 2007 12:00:41 -0800
Subject: Re: Instruction scheduling
References: <34406.10.129.41.35.1171712593.squirrel@www.cse.iitb.ac.in>

"P. Pavan Kumar" <pavankumar@cse.iitb.ac.in> writes:

>        I want to know details of instruction scheduling pass of GCC,
>  How sched_deps.c file computes dependencies between instructions.
>  Is there any reference papers to understand instruction scheduling.
> I want to know how depencendencies , priorities, cost and reservations are
> computing. How stalls are computing?

It's all based on the entries in the CPU.md file.  See the
documentation on how scheduler information should be specified.  Also
see the parameter max-sched-ready-insns.

If those don't answer your questions, please try to ask a more
specific question.  Thanks.

Ian

References:
- Instruction scheduling
  - From: P. Pavan Kumar

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