On 27/07/15 11:29, Matthew Wahab wrote: > Ping. Updated patch attached. > > Also, retested for arm-none-linux-gnueabihf with native bootstrap and make > check and for arm-none-eabi with cross compiled make check. > > On 02/07/15 14:12, Matthew Wahab wrote: >> The __sync builtins are implemented using barriers that are too weak for >> ARMv8 >> targets, this has been fixed on trunk for the ARM back-end. Since GCC-5.1 is >> also generating the incorrect code, it should also be fixed. >> >> This patch backports the changes made to strengthen the barriers emitted for >> the __sync fetch-and-op/op-and-fetch builtins. >> >> The trunk patch submission is at >> https://gcc.gnu.org/ml/gcc-patches/2015-06/msg01410.html >> The commit is at https://gcc.gnu.org/ml/gcc-cvs/2015-06/msg01235.html >> >> Tested the series for arm-none-linux-gnueabihf with check-gcc >> >> Ok for the branch? >> Matthew >> >> 2015-07-02 Matthew Wahab <matthew.wa...@arm.com> >> >> Backport from trunk: >> 2015-06-29 Matthew Wahab <matthew.wa...@arm.com> >> >> PR target/65697 >> * config/armc/arm.c (arm_split_atomic_op): For ARMv8, replace an >> initial acquire barrier with final barrier. >
This is OK thanks, Ramana
