------- Additional Comments From s dot bosscher at student dot tudelft dot nl 2004-11-03 16:52 ------- Subject: RE: [4.0 Regression] jump threading on trees is slow with switch statements with large # of cases
> No you don't know it's size or density in advance. We're not looking > at case values, but at the label where each case statement will jump to. You could move the expand code for SWITCH_EXPRs out of expand_expr, and call it from cfgexpand.c, passing the number of outgoing edges. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15524