Horton

Replace xlc __fetch_and_add() with inline asm.

Noah Misch <noah@leadboat.com>

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Commit: dd50f1a43290bb3c67e24e808d4d8656e9532c9a
Author: Noah Misch <noah@leadboat.com>
Date: 2019-09-14T02:34:06Z
Releases: 13.0 
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.GA3251746@rfd.leadboat.com

Files

PathChange+/−
src/include/port/atomics/generic-xlc.h modified +35 −4

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