[Bug target/19518] [alpha] unrecognizable insn (set (reg:V4HI) (const_vector:V4HI)) with builtins

[pinskia at gcc dot gnu dot org]

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           What    |Removed                     |Added
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   Target Milestone|---                         |4.0.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19518