------- Comment #8 from pinskia at gcc dot gnu dot org 2010-03-01 23:34 ------- For 4.2, we use three IVs; while from 4.3 and above, we use one IV.
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pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[4.3/4.4/4.5 Regression] |[4.3/4.4/4.5 Regression]
|extra code for setting up |selecting one IV instead of
|loops (IV-opts and 32bits vs|three
|64bits) |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38671
