[Bug tree-optimization/30938] Bootstrap fails on x86_64 for -ftree-vectorize

["ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #1 from ubizjak at gmail dot com  2007-02-23 20:16 -------
This is the operand that is not liked by vect_is_simple_use():

(gdb) p debug_tree (operand)
 <ssa_name 0x2aaab01533c0
    type <enumeral_type 0x2aaaaedc0b40 x86_64_reg_class sizes-gimplified
unsigned type_0 SI
        size <integer_cst 0x2aaaadff1ab0 constant invariant 32>
        unit size <integer_cst 0x2aaaadff1720 constant invariant 4>
        align 32 symtab 0 alias set 16 canonical type 0x2aaaaedc0b40 precision
32 min <integer_cst 0x2aaaadff1ae0 0> max <integer_cst 0x2aaaadff1a80
4294967295>
        values <tree_list 0x2aaaaedc3150
            purpose <identifier_node 0x2aaaaedbf780 X86_64_NO_CLASS>
            value <integer_cst 0x2aaaae00e540 constant invariant 0>
            chain <tree_list 0x2aaaaedc31b0
                purpose <identifier_node 0x2aaaaedbf7e0 X86_64_INTEGER_CLASS>
                value <integer_cst 0x2aaaae00e570 constant invariant 1>
                chain <tree_list 0x2aaaaedc3210
                    purpose <identifier_node 0x2aaaaedbf840
X86_64_INTEGERSI_CLASS>
                    value <integer_cst 0x2aaaae0250c0 constant invariant 2>
                    chain <tree_list 0x2aaaaedc3270
                        purpose <identifier_node 0x2aaaaedbf8a0
X86_64_SSE_CLASS>
                        value <integer_cst 0x2aaaae025120 constant invariant 3>
                        chain <tree_list 0x2aaaaedc32d0 purpose
<identifier_node 0x2aaaaedbf900 X86_64_SSESF_CLASS> value <integer_cst
0x2aaaae025180 4> chain <tree_list 0x2aaaaedc3330>>>>>> context
<translation_unit_decl 0x2aaaaedd81a0 D.49546>
        pointer_to_this <pointer_type 0x2aaaaec5ab40> chain <type_decl
0x2aaaaed66d00 D.33440>>
    visited var <var_decl 0x2aaaaee64580 D.34839> def_stmt <gimple_modify_stmt
0x2aaaaee70e40>
    version 243>


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30938