> -----Original Message----- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Pattan, Reshma > Sent: Monday, August 22, 2016 7:46 PM > To: Thomas Monjalon > Cc: dev at dpdk.org > Subject: Re: [dpdk-dev] [PATCH] mk: gcc -march support for intel > processors code names > > > > > -----Original Message----- > > From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com] > > Sent: Monday, August 22, 2016 12:25 PM > > To: Pattan, Reshma <reshma.pattan at intel.com> > > Cc: dev at dpdk.org > > Subject: Re: [dpdk-dev] [PATCH] mk: gcc -march support for intel > processors > > code names > > > > 2016-08-15 16:02, Reshma Pattan: > > > The GCC 4.9 -march option supports the intel code names for > > > processors, for example -march=silvermont, -march=broadwell. > > > The RTE_MACHINE config flag can be used to pass code name to the > > > compiler as -march flag. Also old gcc versions compatibility code for > > > the intel platform is removed from > > > mk/toolchain/gcc/rte.toolchain-compat.mk > > > > Do you mean to not support GCC < 4.9 ? > > Yes. > >
Reshma, In our regression plan, lots of distribution's default gcc version are < 4.9. This patch will block gcc related test on the OSs listed below. Ubuntu 12.04/14.04 Fedora18/20 Suse11SP2/Suse12SP3 RHEL7.0/7.2, CentOS7.0 FreeBSD10.0/10.3