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Date: Fri, 7 Aug 2009 14:37:45 -0500
From: Scott Wood <scottwood@freescale.com>
To: HongWoo Lee <hongwoo7@gmail.com>
Subject: Re: Question about powerpc branch instructions
Message-ID: <20090807193745.GA11681@b07421-ec1.am.freescale.net>
References: <4A7BEA04.7030006@gmail.com>
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On Fri, Aug 07, 2009 at 05:47:00PM +0900, HongWoo Lee wrote:
> #2: Is b similar to the jmp in x86 ? 

Yes, specifically a relative near jmp.

> and bl is similar to the call in x86 ?

Sort of (and again, specifically a relative near call).  Call on x86
pushes the return address on the stack, while bl on powerpc puts the
return address in a special register (lr) that the called function has to
save on the stack itself if it wants to call another function.

-Scott