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Date: Wed, 15 Oct 2008 21:49:00 -0000
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References: <bug-37573-15165@http.gcc.gnu.org/bugzilla/>
Subject: [Bug tree-optimization/37573] [4.4 Regression] gcc-4.4 regression: incorrect code generation with -O1 -ftree-vectorize
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From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
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------- Comment #9 from rguenth at gcc dot gnu dot org  2008-10-15 21:47 -------
IMHO the fix for the tuplification bug(!) is to strip the ADDR_EXPR that is
always present on op0 in split_constant_offset_1 so:

    case ADDR_EXPR:
      {
        tree base, poffset;
        HOST_WIDE_INT pbitsize, pbitpos;
        enum machine_mode pmode;
        int punsignedp, pvolatilep;

        op0 = TREE_OPERAND (op0, 0);
        if (!handled_component_p (op0))
          return false;


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37573