[Bug tree-optimization/56446] [4.6/4.7/4.8 Regression] Generate one fewer relocation when calling a checked weakref function

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56446



Richard Biener <rguenth at gcc dot gnu.org> changed:



           What    |Removed                     |Added

----------------------------------------------------------------------------

   Target Milestone|---                         |4.6.4

           Severity|enhancement                 |normal



--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-26 
10:11:17 UTC ---

Btw, ISTR that on ARM a call to (void *)0 is just ignored ("clever"

optimization

of that conditional call ...).



Overall it's a trade-off between the number of relocations and runtime

performance.