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.


Reply via email to