------- Additional Comments From steven at gcc dot gnu dot org 2004-12-10
11:18 -------
Backtrace from amd64 (Prescott) at -O0
#0 fancy_abort (file=0x95711e "../../mainline/gcc/recog.c", line=2020,
function=0x957139 "extract_insn") at diagnostic.c:556
#1 0x0000000000766d08 in _fatal_insn (msgid=0x95e5fb "unrecognizable insn:",
insn=0x2a95895cd0, file=0x95711e "../../mainline/gcc/recog.c", line=2020,
function=0x957139 "extract_insn") at rtl-error.c:120
#2 0x0000000000766d45 in _fatal_insn_not_found (insn=0x2a95895cd0,
file=0x95711e "../../mainline/gcc/recog.c", line=2020,
function=0x957139 "extract_insn") at rtl-error.c:128
#3 0x000000000072d290 in extract_insn (insn=0x2a95895cd0) at recog.c:2020
#4 0x0000000000737b58 in scan_one_insn (insn=0x2a95895cd0, pass=0) at
regclass.c:1048
#5 0x0000000000738225 in regclass (f=0x2a959ee3c0, nregs=66, dump=0x0)
at regclass.c:1253
#6 0x000000000079ef0c in rest_of_handle_old_regalloc () at passes.c:491
#7 0x00000000007a0dc6 in rest_of_compilation () at passes.c:1718
t.c: In function 'test1':
t.c:11: error: unrecognizable insn:
(insn 21 19 22 2 (set (reg/f:DI 58 [ D.1469 ])
(const:DI (plus:DI (symbol_ref:DI ("foo") [flags 0x22] <var_decl
0x2a9598f540 foo>)
(const_int 16 [0x10])))) -1 (nil)
(nil))
--
What |Removed |Added
----------------------------------------------------------------------------
GCC build triplet|pentium3-pld-linux |
GCC host triplet|pentium3-pld-linux |
GCC target triplet|pentium3-pld-linux |
Summary|[4.0 Regression] ice with - |[4.0 Regression]
|O2 / works fine with -O0. |unrecognisable insn in
| |regclass on x86/amd64
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18910
