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alpha: Cleanup sign extension patterns.
authorRichard Henderson <rth@redhat.com>
Fri, 25 Mar 2011 00:34:46 +0000 (17:34 -0700)
committerRichard Henderson <rth@gcc.gnu.org>
Fri, 25 Mar 2011 00:34:46 +0000 (17:34 -0700)
commit6aba5cb489502ed9a7a73684c67d979819cedd78
tree6f30b50e5b86698f8afa31186a2c7577bccc3990tree | snapshot
parent84ee3e269ab2dfa9d3044fe64eb7a80e70067d84commit | diff
alpha: Cleanup sign extension patterns.

Don't bother implementing sub-word sign-extensions for !BWX,
since we need to use DImode intermediates anyway.

From-SVN: r171435
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