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(parent: dc14aa0) | patch
For ppc gcc, implement 64-bit compare_exchange and fetch_add with asm.
authorNoah Misch <noah@leadboat.com>
Mon, 12 Oct 2020 04:31:37 +0000 (21:31 -0700)
committerNoah Misch <noah@leadboat.com>
Mon, 12 Oct 2020 04:31:40 +0000 (21:31 -0700)
commitd41cb63ff4d114d856837fbf61ba2872c5076ac2
tree59531af6907dd3d5abc00f882b82654b4b01cefdtree
parentdc14aa038e20d0287a569c36498da9469fe9d4e3commit | diff
For ppc gcc, implement 64-bit compare_exchange and fetch_add with asm.

While xlc defines __64BIT__, gcc does not.  Due to this oversight in
commit 30ee5d17c20dbb282a9952b3048d6ad52d56c371, gcc builds continued
implementing 64-bit atomics by way of intrinsics.  Back-patch to v13,
where that commit first appeared.

Reviewed by Tom Lane.

Discussion: https://postgr.es/m/20201011051043.GA1724101@rfd.leadboat.com
src/include/port/atomics/arch-ppc.h diff | blob | blame | history
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