Subject: Re: Question about powerpc branch instructions

From: Benjamin Herrenschmidt <[email-masked]>
Date: Fri, 07 Aug 2009 18:52:16 +1000

On Fri, 2009-08-07 at 17:47 +0900, HongWoo Lee wrote:

> #1: Is there any special reason to concatenate 0b00 ?  Why 0b00 ??

Because instructions have to be aligned on 4 bytes boundaries ?

> #2: Is b similar to the jmp in x86 ? and bl is similar to the call in x86 ?

I'm not totally familiar with x86 but I "sounds" like it, though of
course they can be (ab)used in some more subtle ways.

Cheers,
Ben.

> Thanks in advance.
> 
> HongWoo.
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