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Re: MIPS gas relaxation still doesn't work

To: "H. J. Lu" <hjl@lucon.org>
Subject: Re: MIPS gas relaxation still doesn't work
From: Alexandre Oliva <aoliva@redhat.com>
Date: 14 Oct 2002 16:37:37 -0300
Cc: Richard Sandiford <rsandifo@redhat.com>, linux-mips@linux-mips.org, gcc@gcc.gnu.org, binutils@sources.redhat.com
In-reply-to: <20021014110118.B30940@lucon.org>
Organization: GCC Team, Red Hat
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References: <20021012113423.A27894@lucon.org> <20021013145423.A10174@lucon.org> <20021014082810.A28682@lucon.org> <wvnit05ovct.fsf@talisman.cambridge.redhat.com> <20021014091649.A29353@lucon.org> <wvnfzv9ou6j.fsf@talisman.cambridge.redhat.com> <20021014101640.A30133@lucon.org> <orhefo3oht.fsf@free.redhat.lsd.ic.unicamp.br> <20021014105055.B30830@lucon.org> <orzntg298z.fsf@free.redhat.lsd.ic.unicamp.br> <20021014110118.B30940@lucon.org>
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On Oct 14, 2002, "H. J. Lu" <hjl@lucon.org> wrote:

> Why do we need nop? Why do we need noreorder?

We need reorder to indicate that the delay slot is already filled.  I
used nop just because it was the easiest form of delay-slot filling I
could think of.  Think of any other valid delay-slot filling
instruction in there.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                 aoliva@{redhat.com, gcc.gnu.org}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist                Professional serial bug killer

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