On Fri, 13 Jul 2018 13:51:21 +0000 "Montorsi, Francesco" <fmonto...@empirix.com> wrote:
> Hi all, > > > I just noticed that, because of the removal of the "register" keyword in > C++17, when I compile my DPDK-enabled code with -std=c++17 I get the > following: > > > > In file included from > ../../../Third-Party/cpp-libs/dpdk/include/rte_ether.h:53:0, > from > ../../../Third-Party/cpp-libs/dpdk/include/rte_ethdev.h:186, > from HwEmulCaptureDPDK.cpp:43: > ../../../Third-Party/cpp-libs/dpdk/include/rte_byteorder.h: In function > 'uint16_t rte_arch_bswap16(uint16_t)': > ../../../Third-Party/cpp-libs/dpdk/include/rte_byteorder.h:57:20: warning: > ISO C++1z does not allow 'register' storage class specifier [-Wregister] > register uint16_t x = _x; > ^ > ../../../Third-Party/cpp-libs/dpdk/include/rte_byteorder.h: In function > 'uint32_t rte_arch_bswap32(uint32_t)': > ../../../Third-Party/cpp-libs/dpdk/include/rte_byteorder.h:72:20: warning: > ISO C++1z does not allow 'register' storage class specifier [-Wregister] > register uint32_t x = _x; > ^ > In file included from > ../../../Third-Party/cpp-libs/dpdk/include/rte_byteorder.h:121:0, > from > ../../../Third-Party/cpp-libs/dpdk/include/rte_ether.h:53, > from > ../../../Third-Party/cpp-libs/dpdk/include/rte_ethdev.h:186, > from HwEmulCaptureDPDK.cpp:43: > ../../../Third-Party/cpp-libs/dpdk/include/rte_byteorder_64.h: In function > 'uint64_t rte_arch_bswap64(uint64_t)': > ../../../Third-Party/cpp-libs/dpdk/include/rte_byteorder_64.h:52:20: warning: > ISO C++1z does not allow 'register' storage class specifier [-Wregister] > register uint64_t x = _x; > ^ > > > ?Just thought to let you know... that's a small issue for me since I'm using > -Werror > > > Thanks, > Francesco > > Why is DPDK code using register keyword at all? It is ignored by modern compilers.
