Remove support for 8 byte tear free read/write on 32-bit The macro for enabling single-copy atomicity on i586+ when using GCC has been incorrect since 2017 (commit e8fdbd58f) without any complaints, and getting it to work is non-trivial.
Getting this to work reliably require C11 atomics, which in turn also bumps the required MSVC version. For now, simply remove the attempted support which doesn't work anyways. Author: Daniel Gustafsson <[email protected]> Reviewed-by: Nathan Bossart <[email protected]> Reported-by: Jakub Wartak <[email protected]> Suggested-by: Andres Freund <[email protected]> Discussion: https://postgr.es/m/cakzirmychoojyepc9fuss1_69_u62wosx32jt7wyes-ykst...@mail.gmail.com Discussion: https://posrgr.es/m/ca+hukgkfvu3zyvv3aaj5hhs9vtwcjfamisowoc7aoznc5af...@mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/801b9962e787b4159b38defee3458738e0349d96 Modified Files -------------- src/include/port/atomics/arch-x86.h | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)
