I hope I have beaten syphilis to publishing GCC::Builtins

use GCC::Builtins qw/clz/; # or qw/:all/;
$msb1 = clz(10);
# 28

[download]

Disclaimer: Builtins are implemented by GCC, I am merely interfacing them to Perl with XS, mechanistically. All questions to GCC please.

bw, bliako

In reply to Re: Most Significant Set Bit by bliako
in thread Most Significant Set Bit by coldr3ality

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