The problem that led to the workaround in f83f14881c7 was not in fact a compiler bug, but a failure to zero the upper bits of the vector register containing the initial scalar CRC value. Fix that and revert the workaround. Diagnosed-by: Nathan Bossart <nathandbossart@gmail.com> Diagnosed-by: Raghuveer Devulapalli <raghuveer.devulapalli@intel.com> Tested-by: Andy Fan <zhihuifan1213@163.com> Tested-by: Soumyadeep Chakraborty <soumyadeep2007@gmail.com> Reviewed-by: Nathan Bossart <nathandbossart@gmail.com> Reviewed-by: Raghuveer Devulapalli <raghuveer.devulapalli@intel.com> Discussion: https://postgr.es/m/PH8PR11MB82866B07AA6758D12F699C00FB70A@PH8PR11MB8286.namprd11.prod.outlook.com
PostgreSQL Database Management System
This directory contains the source code distribution of the PostgreSQL database management system.
PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.