http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49007
--- Comment #14 from John David Anglin <danglin at gcc dot gnu.org> 2011-05-23
15:57:49 UTC ---
This is how insn 433 is deleted:
Breakpoint 14, delete_insn (insn=0x1ba9c60) at ../../gcc/gcc/cfgrtl.c:110
110 rtx next = NEXT_INSN (insn);
(gdb) bt
#0 delete_insn (insn=0x1ba9c60) at ../../gcc/gcc/cfgrtl.c:110
#1 0x002775b7 in delete_related_insns (insn=0x1ba9c60) at
../../gcc/gcc/jump.c:1137
#2 0x0027789a in delete_related_insns (insn=0x1ba1390) at
../../gcc/gcc/jump.c:1228
#3 0x00277e42 in redirect_jump_2 (jump=0x1ba9cc0, olabel=0x1ba1390,
nlabel=0x1bac660, delete_unused=1, invert=0) at ../../gcc/gcc/jump.c:1430
#4 0x00277cfc in redirect_jump (jump=0x1ba9cc0, nlabel=0x1bac660,
delete_unused=1) at ../../gcc/gcc/jump.c:1391
#5 0x00354b3d in reorg_redirect_jump (jump=0x1ba9cc0, nlabel=0x1bac660) at
../../gcc/gcc/reorg.c:1883
#6 0x003578d4 in relax_delay_slots (first=0x1b8a020) at
../../gcc/gcc/reorg.c:3525
#7 0x003581e1 in dbr_schedule (first=0x1b8a020) at ../../gcc/gcc/reorg.c:3894
#8 0x003589ba in rest_of_handle_delay_slots () at ../../gcc/gcc/reorg.c:4066
#9 0x002e3e22 in execute_one_pass (pass=0x634340) at
../../gcc/gcc/passes.c:1122
#10 0x002e3fd9 in execute_pass_list (pass=0x634340) at
../../gcc/gcc/passes.c:1176
#11 0x002e3ff5 in execute_pass_list (pass=0x633b80) at
../../gcc/gcc/passes.c:1177
#12 0x002e3ff5 in execute_pass_list (pass=0x633b40) at
../../gcc/gcc/passes.c:1177
#13 0x003f6ba7 in tree_rest_of_compilation (fndecl=0x1276ee0) at
../../gcc/gcc/tree-optimize.c:404
#14 0x00533c4c in cgraph_expand_function (node=0x156b280) at
../../gcc/gcc/cgraphunit.c:1166
#15 0x00533e08 in cgraph_expand_all_functions () at
../../gcc/gcc/cgraphunit.c:1229
#16 0x0053445b in cgraph_optimize () at ../../gcc/gcc/cgraphunit.c:1436
#17 0x00015f5f in c_write_global_declarations () at ../../gcc/gcc/c-decl.c:8099
#18 0x003a7942 in compile_file () at ../../gcc/gcc/toplev.c:1055
#19 0x003a9902 in do_compile () at ../../gcc/gcc/toplev.c:2244
#20 0x003a997a in toplev_main (argc=27, argv=0xbffff1c8) at
../../gcc/gcc/toplev.c:2276
#21 0x00081cab in main (argc=27, argv=0xbffff1c8) at ../../gcc/gcc/main.c:35
(gdb) p debug_rtx (insn)
(insn 433 91 64 (use (insn/s 92 59 366 (set (reg/v:SI 4 %r4 [orig:111 i ]
[111])
(const_int 2 [0x2])) 37 {*pa.md:2542} (expr_list:REG_EQUAL
(const_int 2 [0x2])
(nil)))) -1 (nil))
$61 = void
