------- Comment #4 from pinskia at gcc dot gnu dot org 2006-06-17 02:07 ------- The backtrace: #0 fancy_abort (file=0xa6b580 "/home/pinskia/src/gcc-4.1/gcc/gcc/simplify-rtx.c", line=3807, function=0xa6c3f0 "simplify_subreg") at /home/pinskia/src/gcc-4.1/gcc/gcc/diagnostic.c:602 #1 0x00000000007fa7e6 in simplify_subreg (outermode=SFmode, op=0x2aaaaae02400, innermode=VOIDmode, byte=0) at /home/pinskia/src/gcc-4.1/gcc/gcc/simplify-rtx.c:3807 #2 0x00000000008ec95a in make_compound_operation (x=0x2aaaaaf80640, in_code=MEM) at /home/pinskia/src/gcc-4.1/gcc/gcc/combine.c:6886 #3 0x00000000008eca86 in make_compound_operation (x=0x2aaaaaf80660, in_code=SET) at /home/pinskia/src/gcc-4.1/gcc/gcc/combine.c:6927 #4 0x00000000008e9138 in simplify_set (x=0x2aaaaaf80680) at /home/pinskia/src/gcc-4.1/gcc/gcc/combine.c:5430 #5 0x00000000008e7146 in combine_simplify_rtx (x=0x2aaaaaf80680, op0_mode=VOIDmode, in_dest=0) at /home/pinskia/src/gcc-4.1/gcc/gcc/combine.c:4792 #6 0x00000000008e465d in subst (x=0x2aaaaaf80680, from=0x2aaaaaf803c0, to=0x2aaaaaf85140, in_dest=0, unique_copy=0) at /home/pinskia/src/gcc-4.1/gcc/gcc/combine.c:3870 #7 0x00000000008df927 in try_combine (i3=0x2aaaaaf811e0, i2=0x2aaaaaf81190, i1=0x2aaaaaf81050, new_direct_jump_p=0x7fffff89812c) at /home/pinskia/src/gcc-4.1/gcc/gcc/combine.c:2216 #8 0x00000000008dc164 in combine_instructions (f=0x2aaaaaf59800, nregs=101) at /home/pinskia/src/gcc-4.1/gcc/gcc/combine.c:784 #9 0x00000000008faec0 in rest_of_handle_combine () at /home/pinskia/src/gcc-4.1/gcc/gcc/combine.c:12708
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28062