[Bug target/45198] Unnecessary spill slot for highpart extraction of xmm reg

[pinskia at gcc dot gnu dot org]

------- Comment #3 from pinskia at gcc dot gnu dot org  2010-08-05 15:55 -------
(subreg:DI
+         (match_operand:V4SF 1 "register_operand"
+         "x,x") 0)

That is not a valid subreg and should have be rejected.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45198