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The atomics headers were written under the impression that icc doesn't handle gcc-style asm blocks, but this is demonstrably false on x86_[64], because s_lock.h has done it that way for more than a decade. (The jury is still out on whether this also works on ia64, so I'm leaving ia64-related code alone for the moment.) Treat gcc and icc the same in these headers. This is less code and it should improve the results for icc, because we hadn't gotten around to providing icc-specific implementations for most of the atomics.
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: http://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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.