| To: | "Maciej W. Rozycki" <macro@ds2.pg.gda.pl> |
|---|---|
| Subject: | Re: 64-bit and N32 kernel interfaces |
| From: | Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de> |
| Date: | Thu, 5 Sep 2002 21:16:19 +0200 |
| Cc: | Hartvig Ekner <hartvige@mips.com>, Daniel Jacobowitz <dan@debian.org>, "Kevin D. Kissell" <kevink@mips.com>, Tor Arntsen <tor@spacetec.no>, Carsten Langgaard <carstenl@mips.com>, Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org |
| In-reply-to: | <Pine.GSO.3.96.1020905204345.7444N-100000@delta.ds2.pg.gda.pl> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <200209051807.g85I73W06904@coplin09.mips.com> <Pine.GSO.3.96.1020905204345.7444N-100000@delta.ds2.pg.gda.pl> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.4i |
Maciej W. Rozycki wrote: > On Thu, 5 Sep 2002, Hartvig Ekner wrote: > > > The technical benefits of n32 over o32 are: [snip] > > * 64-bit datapath of CPU can be utilized with big impact on certain > > applications > > But an old program doesn't make use of them, so it won't normally > benefit. An o32 program using compiler synthesized 64 bit integers will do so when recompiled for n32. Thiemo |
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