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Re: gcc support of mips32 release 2

To: Dominic Sweetman <>
Subject: Re: gcc support of mips32 release 2
From: "Maciej W. Rozycki" <>
Date: Thu, 18 Mar 2004 14:18:01 +0100 (CET)
Cc: Eric Christopher <>, Long Li <>,, David Ung <>, Nigel Stephens <>
In-reply-to: <>
Organization: Technical University of Gdansk
Original-recipient: rfc822;
References: <> <> <>
On Fri, 5 Mar 2004, Dominic Sweetman wrote:

> We added patterns to let our (old) GCC use the new rotates and
> bit-insert/extracts, at least in simple cases.  I'm not sure whether
> we've put those in our 3.4 evolution tree yet, but if we have we
> should push those out.

 As a side note, it makes me wonder where the borderline of the RISC
actually is.  Even Intel abandoned support for bit insert/extract
instructions after an initial attempt for the i386.  They figured out the
implementation was too complicated. ;-)

+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+        e-mail:, PGP key available        +

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