Replace xlc __fetch_and_add() with inline asm. PostgreSQL has been unusable when built with xlc 13 and newer, which are incompatible with our use of __fetch_and_add(). Back-patch to 9.5, which introduced pg_atomic_fetch_add_u32().
Reviewed by Tom Lane. Discussion: https://postgr.es/m/20190831071157.ga3251...@rfd.leadboat.com Branch ------ REL9_5_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/75941f257aacbc68b08e1cbf2e55110d00a06fff Modified Files -------------- src/include/port/atomics/generic-xlc.h | 39 ++++++++++++++++++++++++++++++---- 1 file changed, 35 insertions(+), 4 deletions(-)
