> -----Original Message----- > From: Thomas Monjalon [mailto:[email protected]] > Sent: Thursday, April 4, 2019 7:13 AM > To: Yigit, Ferruh <[email protected]>; Eads, Gage > <[email protected]> > Cc: Shahaf Shuler <[email protected]>; Matan Azrad > <[email protected]>; Yongseok Koh <[email protected]>; > [email protected]; [email protected]; [email protected]; > Richardson, Bruce <[email protected]>; Ananyev, Konstantin > <[email protected]>; [email protected]; > [email protected]; [email protected]; > [email protected]; [email protected]; > [email protected] > Subject: Re: [dpdk-dev] [PATCH v6] eal/x86: add 128-bit atomic compare > exchange > > 04/04/2019 14:08, Thomas Monjalon: > > 04/04/2019 13:47, Ferruh Yigit: > > > .../dpdk/x86_64-native-linuxapp-gcc/include/rte_atomic_64.h:223:3: > > > error: ISO C does not support ‘__int128’ types [-Werror=pedantic] > > > > We can try this kind of workaround (disable pedantic locally): > > > https://github.com/HowardHinnant/date/pull/38/commits/177032852d5b46 > 14 > > 112ca1ab3ef42d6b41824816 > > Or better: > __extension__ typedef __int128 int128; >
Taking that one step further -- RTE_STD_C11 evaluates to __extension__ (when the STD C version is sufficiently old).

