Re: [PATCH 2/2] jump labels/x86: Use etiher 5 byte or 2 byte jumps

[H. Peter Anvin]

On 01/19/2012 06:56 AM, Steven Rostedt wrote:
> > Is it possible that the compiler choose a jump that is not 2 or 5-byte ?
> > e.g. a jmp rel16 (e9 opcode) on 32-bit x86, or any of the other
>
> Isn't e9 the 5 byte opcode?

I think Mathieu is thinking of 66 e9 rel16 (66 e9 xx xx) which isn't 
used by the compiler since it truncates the result to 16 bits.

	-hpa
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