NAME
GCC::Builtins - access GCC compiler builtin functions via XS
VERSION
Version 0.01
SYNOPSIS
This module provides Perl access to GCC C compiler builtin functions.
use GCC::Builtins qw/:all/;
# or use GCC::Builtins qw/ ... clz ... /;
my $leading_zeros = GCC::Builtins::clz(10);
EXPORT
unisgned int clz(int n)
Export tag :all imports all exportable functions.
SUBROUTINES/METHODS
unisgned int clz(int n)
It returns the number of leading zeros in the input integer. It can be used to find the most significant bit turned on whose (zero-based) index will be the return of this function.
AUTHOR
Andreas Hadjiprocopis, <bliako ta cpan.org / andreashad2 ta gmail.com>
BUGS
Please report any bugs or feature requests to bug-gcc-builtins at rt.cpan.org, or through
the web interface at https://rt.cpan.org/NoAuth/ReportBug.html?Queue=GCC-Builtins. I will be notified, and then you'll
automatically be notified of progress on your bug as I make changes.
SUPPORT
You can find documentation for this module with the perldoc command.
perldoc GCC::Builtins
You can also look for information at:
-
RT: CPAN's request tracker (report bugs here)
-
Review this module at PerlMonks
-
Search CPAN
ACKNOWLEDGEMENTS
-
This module started by this discussion at PerlMonks:
[Most Significant Set Bit | https://perlmonks.org/?node_id=11158279]
-
Hackers of Free Software.
-
GNU and the Free Software Foundation, providers of GNU Compiler Collection.
HUGS
!Almaz!
LICENSE AND COPYRIGHT
This software is Copyright (c) 2024 by Andreas Hadjiprocopis.
This is free software, licensed under:
The Artistic License 2.0 (GPL Compatible)