[Bug target/39137] [4.4 Regression] -mpreferred-stack-boundary=2 causes lots of dynamic realign

[Joey dot ye at intel dot com]

------- Comment #20 from Joey dot ye at intel dot com  2009-02-17 09:18 -------
(In reply to comment #19)
> Just for the record, here is an unsuccessful attempt to avoid stack realignment
> just because of DImode for -m32 or because of DFmode at -m32 -Os.  This patch
> unfortunately caused a handful regressions, like 20020220-1.c.
Is it OK to enable this patch with a new option? Defaultly not to realign a
mode (DImode) to its nature boundary is confusing.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39137