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[Bug middle-end/47968] ICE: in gen_lowpart_general, at rtlhooks.c:51 when converting vector of double to vector of float


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47968

--- Comment #9 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-03-04 10:31:38 UTC ---
Author: rguenth
Date: Fri Mar  4 10:31:33 2011
New Revision: 170673

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170673
Log:
2011-03-04  Richard Guenther  <rguenther@suse.de>

    PR middle-end/47968
    * expmed.c (extract_bit_field_1): Prefer vector modes that
    vec_extract patterns can handle.

    * gcc.dg/torture/pr47968.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr47968.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/expmed.c
    trunk/gcc/testsuite/ChangeLog


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