Re: [2.4] gcc3 warns about type-punned pointers ?
From: Willy Tarreau
Date: Sat Aug 30 2003 - 05:04:43 EST
On Sat, Aug 30, 2003 at 08:27:44AM +0200, Antonio Vargas wrote:
> That was my fault for introducing an exchange instruction
> into an assignement discussion, but I don't know of any
> x86 instruction which can load 64bits to memory atomically,
> is there any???
perhaps "pusha", but it will load fare more than you need, and I don't know
if it's lockable.
Some MMX instruction might do it too, although not sure.
Willy
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