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To: Richard Henderson <rth@redhat.com>
Cc: Peter Barada <pbarada@mail.wm.sps.mot.com>,
	Peter.Barada@motorola.com, gcc@gcc.gnu.org
Subject: Re: Saga of m68k PIC continues
References: <200212112045.gBBKjnQ13223@hyper.wm.sps.mot.com>
	<20021211235940.GF6975@redhat.com>
	<200212120011.gBC0B5W08189@hyper.wm.sps.mot.com>
	<20021212081713.GC7304@redhat.com> <jefzt31pv0.fsf@sykes.suse.de>
	<20021212180017.GB7861@redhat.com>
X-Yow: I've got to get these SNACK CAKES to NEWARK by DAWN!!
From: Andreas Schwab <schwab@suse.de>
Date: Thu, 12 Dec 2002 11:28:00 -0000
In-Reply-To: <20021212180017.GB7861@redhat.com> (Richard Henderson's message
 of "Thu, 12 Dec 2002 10:00:17 -0800")
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Richard Henderson <rth@redhat.com> writes:

|> On Thu, Dec 12, 2002 at 11:41:23AM +0100, Andreas Schwab wrote:
|> > For -fPIC there is probably no difference, but full 32-bit pc-relative is
|> > still less efficient than register+16 bit offset, so with -fpic the use of
|> > the pic register is usually faster.
|> 
|> Even though you've got to have an extra memory load?  I mean, for
|> a *static* variable, your choices for computing the address are

For a static variable you are right.  I was thinking about non-static
variables, i.e @GOT vs @GOTPC.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 Nürnberg
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"And now for something completely different."