[Bug rtl-optimization/44941] [4.6 Regression] ICE: RTL check: expected code 'mem', have 'reg' in emit_block_move_hints, at expr.c:1189

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2010-07-19 09:51 -------
#3  0x000000000060425e in store_one_arg (arg=0x7fffffffbc10, 
    argblock=0x7ffff7ee0540, flags=0, variable_size=0, reg_parm_stack_space=0)
    at /space/rguenther/src/svn/trunk/gcc/calls.c:4309
4309          emit_push_insn (arg->value, arg->mode, TREE_TYPE (pval),
size_rtx,
(gdb) call debug_rtx (arg->value)
(reg:SI 61)
(gdb) p arg->mode
$2 = BLKmode
(gdb) call debug_rtx (size_rtx)
(const_int 0 [0])
(gdb) call debug_tree (arg->tree_value)
 <mem_ref 0x7ffff7ff90a8
    type <record_type 0x7ffff5ae02a0 S type_0 BLK
        size <integer_cst 0x7ffff7ed2b18 constant 0>
        unit size <integer_cst 0x7ffff7ed2410 constant 0>
        align 8 symtab 0 alias set -1 canonical type 0x7ffff5ae02a0 context
<translation_unit_decl 0x7ffff7efb958 D.1621>
        pointer_to_this <pointer_type 0x7ffff5ae0498> chain <type_decl
0x7ffff7efb8a0 D.1615>>

    arg 0 <addr_expr 0x7ffff5b43030
        type <pointer_type 0x7ffff7ef6540 type <integer_type 0x7ffff7ee7498
int>
            unsigned DI
            size <integer_cst 0x7ffff7ed27a8 constant 64>
            unit size <integer_cst 0x7ffff7ed27d0 constant 8>
            align 64 symtab 0 alias set -1 canonical type 0x7ffff7ef6540>

        arg 0 <parm_decl 0x7ffff7edb908 i type <integer_type 0x7ffff7ee7498
int>
            used SI file pr44941.c line 5 col 15
            size <integer_cst 0x7ffff7ed26e0 constant 32>
            unit size <integer_cst 0x7ffff7ed23e8 constant 4>
            align 32 context <function_decl 0x7ffff5afb100 foo>
            (reg/v:SI 58 [ i ]) arg-type <integer_type 0x7ffff7ee7498 int>
            incoming-rtl (reg:SI 5 di [ i ])>
        pr44941.c:7:21>
    arg 1 <integer_cst 0x7ffff5adc668 type <pointer_type 0x7ffff5ae0498>
constant 0>
    pr44941.c:7:7>

I have a patch.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44941