------- Additional Comments From pinskia at gcc dot gnu dot org 2005-03-10 19:41 ------- Without RTL checking we get this backtrace: #0 0x0066027c in simplify_comparison (code=REG, pop0=0xbfffef8c, pop1=0xbfffef90) at ../../gcc/ combine.c:9584 #1 0x00650ad4 in simplify_set (x=0x4157ab04) at ../../gcc/combine.c:5169 #2 0x0064e8c4 in combine_simplify_rtx (x=0x4157ab04, op0_mode=VOIDmode, in_dest=0) at ../../ gcc/combine.c:4640 #3 0x0064b4cc in subst (x=0x4157ab04, from=0x41575800, to=0x4157aabc, in_dest=0, unique_copy=0) at ../../gcc/combine.c:3682 #4 0x006459cc in try_combine (i3=0x41573a78, i2=0x41573a50, i1=0x41573a00, new_direct_jump_p=0xbffff454) at ../../gcc/combine.c:2055 #5 0x00641f84 in combine_instructions (f=0x41506f60, nregs=133) at ../../gcc/combine.c:774
-- What |Removed |Added ---------------------------------------------------------------------------- Component|regression |rtl-optimization Keywords| |ice-on-valid-code http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20412