atomic: fix comment s/x64_64/x86_64/

Backports commit 119c440c3c599778bfb4f90d8e39fda132925813 from qemu
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Emilio G. Cota 2018-10-04 00:44:39 -04:00 committed by Lioncash
parent 33e69342e3
commit f3f22c94e1
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@ -106,7 +106,7 @@ void _ReadWriteBarrier(void);
* We'd prefer not want to pull in everything else TCG related, so handle
* those few cases by hand.
*
* Note that x32 is fully detected with __x64_64__ + _ILP32, and that for
* Note that x32 is fully detected with __x86_64__ + _ILP32, and that for
* Sparc we always force the use of sparcv9 in configure.
*/
#if defined(__x86_64__) || defined(__sparc__)