------- Comment #35 from Joey dot ye at intel dot com 2009-03-04 01:41 ------- (In reply to comment #32) > I don't see the reason for && optimize_function_for_size_p (cfun), care to > back > up with benchmarks that forcing dynamic realignment for long long variables > with -mpreferred-stack-boundary=2 improves performance rather than slows > things > down (because of the dynamic realignment)? Checking optimize_function_for_size_p is to avoid prologue/epilogue code size increase when -Os is used, which is initially complained by Jakub.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39137