[Bug tree-optimization/32216] [4.3 Regression] ICE: verify_stmts failed (invalid reference prefix) with -ftree-vectorize

[uros at gcc dot gnu dot org]

------- Comment #8 from uros at gcc dot gnu dot org  2007-06-06 12:12 -------
Subject: Bug 32216

Author: uros
Date: Wed Jun  6 12:12:32 2007
New Revision: 125482

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=125482
Log:
        PR tree-optimization/32216
        * tree-vectorizer.c (supportable_widening_operation): Determine
        signedness of FIX_TRUNC_EXPR from output operand.
        (supportable_narrowing_operation): Ditto.
        * tree-vect-generic.c (expand_vector_operations_1): Determine
        signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
        from input operand.

testsuite/ChangeLog:

        PR tree-optimization/32216
        * gcc.dg/vect/pr32216.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr32216.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/optabs.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-generic.c
    trunk/gcc/tree-vectorizer.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32216