[Bug target/34571] [4.3 Regression] Segfault in alpha_expand_mov at -O3

["tbm at cyrius dot com" <gcc-bugzilla@gcc.gnu.org>]

------- Comment #1 from tbm at cyrius dot com  2007-12-24 12:53 -------
Program received signal SIGSEGV, Segmentation fault.
alpha_expand_mov (mode=DImode, operands=0x11f427310)
    at gcc/config/alpha/alpha.c:2158
2158          emit_move_insn (operands[0], XEXP (operands[1], 0));
(gdb) where
#0  alpha_expand_mov (mode=DImode, operands=0x11f427310)
    at gcc/config/alpha/alpha.c:2158
#1  0x00000001205deb18 in gen_movdi (operand0=0x20000a3d660,
operand1=0x20000982910)
    at gcc/config/alpha/alpha.md:5704
#2  0x00000001201b0084 in emit_move_insn_1 (x=0x20000a3d660, y=0x20000982910)
    at gcc/expr.c:3316
#3  0x00000001202a17a0 in gen_move_insn (x=0x20000a3d660, y=0x20000982910)
    at gcc/optabs.c:4996
#4  0x00000001202fea94 in gen_reload (out=0x20000a3d660, in=0x20000982910,
opnum=1,
    type=RELOAD_FOR_OPERAND_ADDRESS) at gcc/reload1.c:8048
#5  0x00000001203015ec in emit_reload_insns (chain=0x120b3c470)
    at gcc/reload1.c:6995
#6  0x0000000120309da0 in reload (first=0x20000575300, global=1)
    at gcc/reload1.c:4137
#7  0x000000012064ecb0 in rest_of_handle_global_alloc () at gcc/global.c:631
#8  0x00000001202b35b0 in execute_one_pass (pass=0x12083bf78)
    at gcc/passes.c:1118
#9  0x00000001202b3858 in execute_pass_list (pass=0x12083bf78)
    at gcc/passes.c:1171
#10 0x00000001202b386c in execute_pass_list (pass=0x1208386d8)
    at gcc/passes.c:1172
#11 0x00000001203b9b94 in tree_rest_of_compilation (fndecl=0x200007c0750)
    at gcc/tree-optimize.c:404
#12 0x000000012058551c in cgraph_expand_function (node=0x20000796a00)
    at gcc/cgraphunit.c:1151
#13 0x0000000120588b38 in cgraph_optimize () at gcc/cgraphunit.c:1214
#14 0x000000012001a8f4 in c_write_global_declarations () at gcc/c-decl.c:8077
#15 0x000000012034bb9c in toplev_main (argc=<value optimized out>, argv=<value
optimized out>)
    at gcc/toplev.c:1055
#16 0x00000001200a2898 in main (argc=9971984, argv=0x20000982910)
    at gcc/main.c:35
(gdb)


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34571