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)

  https://rt.cpan.org/NoAuth/Bugs.html?Dist=GCC-Builtins

• Review this module at PerlMonks

  https://www.perlmonks.org/?node_id=21144

• Search CPAN

  https://metacpan.org/release/GCC-Builtins

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)