[Bug target/49547] LZCNT should be enabled only if ABM or LZCNT bits are set

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49547

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.06.27 16:10:24
   Target Milestone|---                         |4.6.2
     Ever Confirmed|0                           |1

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2011-06-27 16:10:24 
UTC ---
Assembler takes lzcnt only if ABM or LCNT is enabled.
It has nothing to do with BMI.  AMD spec is incorrect.