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| author | Noah Misch <noah@leadboat.com> | 2019-10-18 20:20:28 -0700 |
|---|---|---|
| committer | Noah Misch <noah@leadboat.com> | 2019-10-18 20:20:28 -0700 |
| commit | 89b4d7744c80ecb3f6bdf8a07ca711a043718db3 (patch) | |
| tree | fbccdca958d179acc1997953c09421888db0d7ee /src/backend/access/gist/gistsplit.c | |
| parent | f25968c49697db673f6cd2a07b3f7626779f1827 (diff) | |
| download | postgresql-89b4d7744c80ecb3f6bdf8a07ca711a043718db3.tar.gz postgresql-89b4d7744c80ecb3f6bdf8a07ca711a043718db3.zip | |
For PowerPC instruction "addi", use constraint "b".
Without "b", a variant of the tas() code miscompiles on macOS 10.4.
This may also fix a compilation failure involving macOS 10.1. Today's
compilers have been allocating acceptable registers with or without this
change, but this future-proofs the code by precisely conveying the
acceptable registers. Back-patch to 9.4 (all supported versions).
Reviewed by Tom Lane.
Discussion: https://postgr.es/m/20191009063900.GA4066266@rfd.leadboat.com
Diffstat (limited to 'src/backend/access/gist/gistsplit.c')
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