Re: 2-operand vs 3-operand instructions

bayko@borealis.cs.uregina.ca (John Bayko)
23 Sep 1997 23:22:17 -0400

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2-operand vs 3-operand instructions sivaram@best.com (sivaram) (1997-09-12)
Re: 2-operand vs 3-operand instructions bayko@borealis.cs.uregina.ca (1997-09-23)
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From: bayko@borealis.cs.uregina.ca (John Bayko)
Newsgroups: comp.compilers,comp.arch
Date: 23 Sep 1997 23:22:17 -0400
Organization: University of Regina, Dept. of Computer Science
References: 97-09-045
Keywords: architecture, performance

        sivaram <sivaram@best.com> wrote:
>Are there any papers/studies available that compare 2-operand (a += b)
>vs 3-operand (a = b+c). I am specifically looking for code size,
>cycle count, and register usage info.
>
>Some background:
>The ARM/THUMB is a 16-bit architecture.


        Thumb is a 16-bit instruction set, the architecture is still
32-bit.
        The Hitachi SH series also has 16-bit instructions, and includes
sixteen 32-bit registers.
        That's not terribly relevant to your question, but I thought it
was a point worth clarifying.


--
John Bayko (Tau).
bayko@cs.uregina.ca
http://www.cs.uregina.ca/~bayko
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