On Wed, Mar 19, 2014 at 4:05 PM, Jakub Jelinek <ja...@redhat.com> wrote: > On Wed, Mar 19, 2014 at 02:23:58PM -0500, Bill Schmidt wrote: >> Support for Power8 features and the new powerpc64le-linux-gnu target, >> including the ELFv2 ABI, has been developed up till now on the >> ibm/gcc-4_8-branch. It was appropriate to use this separate branch >> while the support was unstable, but this branch will not represent a >> particularly good support mechanism for distributions going forward. >> Most distros are set up to pull from the major release branches, and >> having a separate branch for one target is quite inconvenient. Also, >> the ibm/gcc-4_8-branch's original purpose is to serve as the code base >> for IBM's Advance Toolchain 7.0. Over time the two purposes that the >> branch currently serves will diverge and make things even more >> complicated. >> >> The code is now tested and stable enough that we are ready to backport >> this support to the FSF 4.8 branch. This patch series constitutes that >> backport. > > I guess the most important question is what guarantees there are that it > won't affect non-powerpc* ports too much (my main concern is the 9/26 patch, > plus the C++ FE / libstdc++ changes), and how much does this affect > code generation and overall stability of the PowerPC big endian existing > targets.
Before this patch is approved, we are going to thoroughly confirm that it does not harm any other PowerPC targets (big endian PowerLinux, eABI, nor AIX). Any help with testng from the PPC eABI community is appreciated. - David
