linux-kernel - Re: Avoiding unnecessary jump relocations in gas?

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Date:	Mon, 18 May 2015 13:06:00 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"H.J. Lu" <hjl.tools@...il.com>,
	Andy Lutomirski <luto@...capital.net>
CC:	Borislav Petkov <bp@...en8.de>, Jan Beulich <JBeulich@...e.com>,
	Binutils <binutils@...rceware.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Avoiding unnecessary jump relocations in gas?

On 05/18/2015 01:02 PM, H.J. Lu wrote:
>>
>> I wonder if it would make sense to have explicit mnemonics for the
>> one-byte offset and four-byte offset jump variants.  Sometimes users
>> want a jump with a 32-bit offset for reasons that have nothing to do
>> with link-time or load-time relocations.
>>
> 
> There is:
> 
> jmp.d32 foo
> 

How far back does that syntax work?

	-hpa


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