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Re: rs6000 machine description/assembly question
- From: David Edelsohn <dje at watson dot ibm dot com>
- To: Spundun <spundun at ISI dot EDU>
- Cc: gcc at gcc dot gnu dot org
- Date: Mon, 25 Nov 2002 17:40:13 -0500
- Subject: Re: rs6000 machine description/assembly question
>>>>> Spundun writes:
Spundun> I think negative of a number and a number itself will have same number
Spundun> of leading zeros. so when you do and %0,%0,%1, %0 will have the same
Spundun> number of leading zeros that %1 has. so whats the point of first two
Spundun> instructions?
Spundun> Can anyone tell what am I missing here?
You might want to review two's complement representation of numbers.
David