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Re: Avoiding unnecessary jump relocations in gas?
- From: "H. Peter Anvin" <hpa at zytor dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>, Andy Lutomirski <luto at amacapital dot net>
- Cc: Borislav Petkov <bp at alien8 dot de>, Jan Beulich <JBeulich at suse dot com>, Binutils <binutils at sourceware dot org>, "linux-kernel at vger dot kernel dot org" <linux-kernel at vger dot kernel dot org>
- Date: Mon, 18 May 2015 13:06:00 -0700
- Subject: Re: Avoiding unnecessary jump relocations in gas?
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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