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Re: Question about insn lengths

From: Pontus Lidman <pontus at lysator dot liu dot se>
To: Andrew Haley <aph at redhat dot com>
Cc: gcc at gcc dot gnu dot org
Date: 02 Nov 2004 22:45:03 +0100
Subject: Re: Question about insn lengths
References: <n6654ofuip.fsf@nazgul.lysator.liu.se><16775.23721.716362.432392@cuddles.cambridge.redhat.com>

Andrew Haley <aph@redhat.com> writes:

> Pontus Lidman writes:

[...]

>  > For example, I noticed that the 'mfhilo_si' insn has length attribute
>  > 12 (because of possible future nops due to hazards I gather), but
>  > generates only one instruction word (mflo, for example), so the value
>  > I need for this insn is 4.
> 
> Where do the hazard nops get inserted?  The assembler?

Yes, if they are needed.

-- 
Pontus Lidman, pontus@lysator.liu.se, Software Engineer
No matter how cynical you get, it's impossible to keep up.
Scene: www.dc-s.com | MUD: tyme.envy.com 6969 | irc: irc.quakenet.eu.org

References:
- Question about insn lengths
  - From: Pontus Lidman
- Question about insn lengths
  - From: Andrew Haley

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