[Bug tree-optimization/40550] Segmentation fault caused by alignment error in sse code

[ubizjak at gmail dot com]

------- Comment #10 from ubizjak at gmail dot com  2009-06-28 10:25 -------
(In reply to comment #9)

> This happens in veclower pass.

type_for_widest_vector_mode () is forcing operations from v2sf to v4sf. This is
not correct, since there will be garbage in the top two elements. For FP
values, this will lead to all sorts of NaNs, subnormals, etc...


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40550