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McIntyre: Scanning for assembly code in Free Software packages

Posted Apr 2, 2013 15:22 UTC (Tue) by stevenb (guest, #11536)
In reply to: McIntyre: Scanning for assembly code in Free Software packages by stevenb
Parent article: McIntyre: Scanning for assembly code in Free Software packages

Actually, at least GCC 4.5 and GCC 4.6 also. cmpxchg16 support was implemented more than 6 years ago: http://gcc.gnu.org/r122884

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Posted Apr 3, 2013 17:01 UTC (Wed) by peter-b (subscriber, #66996) [Link]

Bizarrely, the GCC on the Ubuntu workstation provided by my university lacked CMPXCHG16B support as recently as a year ago. Fortunately if newer versions do support it my assembly will never get called, so it's not as if I need to change my code...