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Date: Tue, 05 Apr 2005 04:34:00 -0000
To: binutils@sources.redhat.com
Subject: Re: "Error: constant too large" on mips gas
Message-ID: <20050405043402.GA27308@hattusa.textio>
References: <20050404.175833.115610647.nemoto@toshiba-tops.co.jp> <Pine.LNX.4.61L.0504041358440.20089@blysk.ds.pg.gda.pl> <20050405.113800.90370139.nemoto@toshiba-tops.co.jp> <20050405.132842.65898090.nemoto@toshiba-tops.co.jp>
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From: Thiemo Seufer <ths@networkno.de>
X-SW-Source: 2005-04/txt/msg00120.txt.bz2

Atsushi Nemoto wrote:
> >>>>> On Tue, 05 Apr 2005 11:38:00 +0900 (JST), Atsushi Nemoto <anemo@mba.ocn.ne.jp> said:
> anemo> Thank you.  It works for the case I reported.  And here is an
> anemo> another case:
> 
> And yet another corner case:
> 
> $ cat foo2.s
> .set mips3
>         ld $2, 0x80000000
>         dsrl32 $2, 0
>         sw $2, 0x80000008
> .set mips0
> $ mips-linux-as -32 foo2.s
> foo2.s: Assembler messages:
> foo2.s:2: Error: Number (0x080000000) larger than 32 bits
> foo2.s:4: Error: Number (0x080000008) larger than 32 bits
> 
> I'm using '.set mips3' for "true" LD instruction (not two LW) in 32bit
> kernel mode.  Is this legal or should I rewrite it?

It is legal, and the intended use case for .set mips3.


Thiemo