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

[irar at gcc dot gnu dot org]

------- Comment #10 from irar at gcc dot gnu dot org  2007-06-08 06:31 -------
Subject: Bug 31699

Author: irar
Date: Fri Jun  8 06:31:39 2007
New Revision: 125560

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=125560
Log:
        Backport from mainline:

        2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>

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


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