[Bug middle-end/31699] [4.3 Regression] -march=opteron -ftree-vectorize generates wrong code

["dorit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #7 from dorit at gcc dot gnu dot org  2007-05-03 13:55 -------
Subject: Bug 31699

Author: dorit
Date: Thu May  3 12:54:45 2007
New Revision: 124375

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=124375
Log:
        PR tree-optimization/31699
        * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
        code.
        (vect_enhance_data_refs_alignment): Compute peel amount using
        TYPE_VECTOR_SUBPARTS instead of vf.
        * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.


Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr31699.c
    trunk/gcc/testsuite/gcc.dg/vect/vect-multitypes-11.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/vect/vect-floatint-conversion-1.c
    trunk/gcc/testsuite/gcc.dg/vect/vect-intfloat-conversion-1.c
    trunk/gcc/testsuite/gcc.dg/vect/vect-iv-4.c
    trunk/gcc/testsuite/gcc.dg/vect/vect-multitypes-1.c
    trunk/gcc/testsuite/gcc.dg/vect/vect-multitypes-4.c
    trunk/gcc/testsuite/lib/target-supports.exp
    trunk/gcc/tree-vect-analyze.c
    trunk/gcc/tree-vect-transform.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31699