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 ------ master Details ------- https://git.postgresql.org/pg/commitdiff/dd50f1a43290bb3c67e24e808d4d8656e9532c9a Modified Files -------------- src/include/port/atomics/generic-xlc.h | 39 ++++++++++++++++++++++++++++++---- 1 file changed, 35 insertions(+), 4 deletions(-)