[Bug middle-end/37323] [4.4 Regression] __builtin_apply failures

["danglin at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

------- Comment #7 from danglin at gcc dot gnu dot org  2008-11-08 21:29 -------
It seems the insn to initialize reg:DI 69 is being emitted, but it appears
that it is done too early and gets lost.

Breakpoint 8, emit_insn (x=0x800003fffdfc5c80)
    at ../../gcc/gcc/emit-rtl.c:4415
4415      rtx last = last_insn;
(gdb) bt
#0  emit_insn (x=0x800003fffdfc5c80) at ../../gcc/gcc/emit-rtl.c:4415
#1  0x4000000002cff6cc in emit_move_sequence (operands=0x800003fffdff1950, 
    mode=Cannot access memory at address 0xc001002000000007
) at ../../gcc/gcc/config/pa/pa.c:1732
#2  0x400000000311530c in gen_movdi (operand0=0x800003fffdfc5c80, 
    operand1=0x800003fffdfc5c60) at ../../gcc/gcc/config/pa/pa.md:4357
#3  0x4000000000d991fc in emit_move_insn_1 (x=0x800003fffdfc5c80, 
    y=0x800003fffdfc5c60) at ../../gcc/gcc/expr.c:3355
#4  0x4000000000d999f0 in emit_move_insn (x=Cannot access memory at address
0xc001001fffffffff
) at ../../gcc/gcc/expr.c:3443
#5  0x4000000000d22f44 in copy_to_reg (x=0x800003fffdfc5c80)
    at ../../gcc/gcc/explow.c:596
#6  0x4000000001886058 in default_internal_arg_pointer ()
    at ../../gcc/gcc/targhooks.c:573
#7  0x4000000000f6ae1c in assign_parms (fndecl=0x800003fffdff1950)
    at ../../gcc/gcc/function.c:2998
#8  0x4000000000f71b38 in expand_function_start (subr=0x800003fffdff1950)
    at ../../gcc/gcc/function.c:4316
#9  0x400000000327a538 in gimple_expand_cfg ()
    at ../../gcc/gcc/cfgexpand.c:2351
#10 0x4000000001380118 in execute_one_pass (pass=0x800003fffdff1950)
    at ../../gcc/gcc/passes.c:1279
#11 0x40000000013804ec in execute_pass_list (pass=0x800003fffdfc5c80)
    at ../../gcc/gcc/passes.c:1328
#12 0x4000000001d5f9c8 in tree_rest_of_compilation (fndecl=0x800003fffdff1950)
---Type <return> to continue, or q <return> to quit---
    at ../../gcc/gcc/tree-optimize.c:418
#13 0x4000000002dc6ae0 in cgraph_expand_function (node=0x800003fffdff1950)
    at ../../gcc/gcc/cgraphunit.c:1038
#14 0x4000000002dc6e18 in cgraph_expand_all_functions ()
    at ../../gcc/gcc/cgraphunit.c:1097
#15 0x4000000002dc7960 in cgraph_optimize ()
    at ../../gcc/gcc/cgraphunit.c:1302
#16 0x40000000005f84e4 in c_write_global_declarations ()
    at ../../gcc/gcc/c-decl.c:8074
#17 0x40000000018c30c0 in compile_file () at ../../gcc/gcc/toplev.c:979
#18 0x40000000018c700c in do_compile () at ../../gcc/gcc/toplev.c:2191
#19 0x40000000018c712c in toplev_main (argc=16, argv=0x800003fffdff0648)
    at ../../gcc/gcc/toplev.c:2223
#20 0x400000000085a0e4 in main (argc=1310720, argv=0x800003fffdfc5c60)
    at ../../gcc/gcc/main.c:35
(gdb) p debug_rtx (x)
(set (reg/f:DI 69)
    (reg/f:DI 61 virtual-incoming-args))


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37323