On July 3, 2015 5:24:24 PM GMT+02:00, Alan Lawrence <alan.lawre...@arm.com> wrote: >This patch series implements the changes/additions to the ARM ABI >proposed at >https://gcc.gnu.org/ml/gcc/2015-07/msg00040.html . > >The first patch is the ABI update. This is an ABI-breaking change for >any code >using __attribute__((aligned(...))) on a public interface (a case not >previously >defined by the AAPCS). > >This causes a regression of gcc.c-torture/execute/20040709-1.c at -O0 >(only), >and the align_rec2.c fails, both due to a latent bug where we can emit >strd/ldrd >on an odd-numbered register in ARM state. The second patch prevents >such illegal >instructions and fixes both tests. > >On trunk, tested via bootstrap + check-gcc on arm-none-linux-gnueabihf >(cortex-a15+neon). Also cross-tested arm-none-eabi with a number of >variants. > >On gcc-5-branch, patches rebase cleanly, tested via profiledbootstrap + > >check-gcc. (Yes, profiledbootstrap succeeds.)
Just FYI, the back port is OK to apply once the trunk side is approved. Thanks, Richard.