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Alvaro Herrera 711bab1e4d Add basic support for using the POPCNT and SSE4.2s LZCNT opcodes 
These opcodes have been around in the AMD world since 2007, and 2008 in
the case of intel.  They're supported in GCC and Clang via some __builtin
macros.  The opcodes may be unavailable during runtime, in which case we
fall back on a C-based implementation of the code.  In order to get the
POPCNT instruction we must pass the -mpopcnt option to the compiler.  We
do this only for the pg_bitutils.c file.

David Rowley (with fragments taken from a patch by Thomas Munro)

Discussion: https://postgr.es/m/CAKJS1f9WTAGG1tPeJnD18hiQW5gAk59fQ6WK-vfdAKEHyRg2RA@mail.gmail.com
2019-02-13 16:10:06 -03:00
..
editors Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
findoidjoins Create the infrastructure for planner support functions. 2019-02-09 18:08:48 -05:00
ifaddrs Update copyright for 2019 2019-01-02 12:44:25 -05:00
make_diff Remove useless whitespace at end of lines 2010-11-23 22:34:55 +02:00
msvc Add basic support for using the POPCNT and SSE4.2s LZCNT opcodes 2019-02-13 16:10:06 -03:00
perlcheck Fix whitespace 2018-06-27 08:03:54 +02:00
pginclude Don't fall off the end of perl functions 2018-05-27 09:08:42 -04:00
pgindent Change function call information to be variable length. 2019-01-26 14:17:52 -08:00
ccsym tools/ccsym: update for modern versions of gcc 2015-01-20 13:02:58 -05:00
check_bison_recursion.pl Update copyright for 2019 2019-01-02 12:44:25 -05:00
codelines Fix remaining stray references to CVS. 2010-09-22 19:51:39 -04:00
copyright.pl Update copyright for 2019 2019-01-02 12:44:25 -05:00
FAQ2txt Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
find_badmacros Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
find_static Fix omission of -X (--no-psqlrc) in some psql invocations. 2015-12-28 11:46:43 -05:00
find_typedef Refer to OS X as "macOS", except for the port name which is still "darwin". 2016-09-25 15:40:57 -04:00
fix-old-flex-code.pl Replace @postgresql.org with @lists.postgresql.org for mailinglists 2019-01-19 19:06:35 +01:00
gen_keywordlist.pl Fix perl searchpath for gen_keywordlist.pl 2019-02-07 11:14:29 -05:00
git-external-diff Preserve information on use of git-external-diff 2018-05-24 23:45:31 +09:30
git_changelog Stamp HEAD as 12devel 2018-06-30 12:47:59 -04:00
make_ctags Improve missing-program error handling in make_ctags and make_etags. 2019-01-13 13:33:50 -05:00
make_etags Improve missing-program error handling in make_ctags and make_etags. 2019-01-13 13:33:50 -05:00
make_mkid Add another pgdefine path check, and a cvs-git change. 2011-08-26 21:52:35 -04:00
PerfectHash.pm Use perfect hashing, instead of binary search, for keyword lookup. 2019-01-09 19:47:46 -05:00
pgtest pgtest: run clean, build, and check stages separately 2018-07-28 15:34:06 -04:00
RELEASE_CHANGES Doc: in each release branch, keep only that branch's own release notes. 2019-02-04 19:18:49 -05:00
testint128.c Update copyright for 2019 2019-01-02 12:44:25 -05:00
valgrind.supp Revert "Add valgrind suppressions for wcsrtombs optimizations" 2019-01-19 20:49:51 +01:00
version_stamp.pl Update copyright for 2019 2019-01-02 12:44:25 -05:00
win32tzlist.pl Update copyright for 2019 2019-01-02 12:44:25 -05:00