[Bug target/50038] redundant zero extensions

[izamyatin at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50038

Igor Zamyatin <izamyatin at gmail dot com> changed:

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--- Comment #1 from Igor Zamyatin <izamyatin at gmail dot com> 2011-08-11 10:46:37 UTC ---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46357 and
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40170 look similar to given issue.

Also here http://gcc.gnu.org/ml/gcc-help/2010-11/msg00071.html lies some
additional info