From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <ee9e417a04102919583ceb7a83@mail.gmail.com>
Date: Fri, 29 Oct 2004 22:58:54 -0400
From: Russ Cox <russcox@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] assembler question
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> Is it possible to generate a 3-address ADD instruction for
> the 3-address machines (such as sparc using ka)?   Without
> resorting to laying down the opcode manually, of course.

Looking at /sys/src/cmd/ka/a.y:208, it appears you 
can just say ADDW r2, r3, r4.  Have you tried this?

Russ