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This essentially reverts a micro-optimization I made years ago, as part of the much larger commit d72f6c750. It's doubtful that there was any hard evidence for it being helpful even then, and the case is even more dubious now that modern compilers are so much smarter about inlining memset(). The proximate reason for undoing it is to get rid of the type punning inherent in MemSet, for fear that that may cause problems now that we're applying additional optimization switches to numeric.c. At the very least this'll silence some warnings from a few old buildfarm animals. (It's probably past time for another look at whether MemSet is still worth anything at all, but I do not propose to tackle that question right now.) Discussion: https://postgr.es/m/CAJ3gD9evtA_vBo+WMYMyT-u=keHX7-r8p2w7OSRfXf42LTwCZQ@mail.gmail.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. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download/ See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.