[Bug rtl-optimization/54910] ARM: Missed optimization of very simple ctz function

[linux at horizon dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54910



--- Comment #3 from George Spelvin <linux at horizon dot com> 2012-11-29 
11:12:52 UTC ---

... and this particular case wouldn't arise, since Thumb-2 (ARMv7) implies the

CLZ instruction (ARMv5), and I wouldn't need this table-based implementation if

I had CLZ. :-)