https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65052
Bug ID: 65052
Summary: ICE in c6x-uclinux target when building libgcc
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: dhowells at redhat dot com
When building libgcc using a c6x-uclinux gcc-5 that I've just built, I see the
following ICE:
/data/fedora/cross-gcc/tmp/build/./gcc/xgcc
-B/data/fedora/cross-gcc/tmp/build/./gcc/ -B/usr/c6x-uclinux/bin/
-B/usr/c6x-uclinux/lib/ -isystem /usr/c6x-uclinux/include -isystem
/usr/c6x-uclinux/sys-include -O2 -g -Wall -fexceptions
-fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches
-mbig-endian -O2 -O2 -g -Wall -fexceptions -fstack-protector-strong
--param=ssp-buffer-size=4 -grecord-gcc-switches -DIN_GCC
-DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-isystem ./include -msdata=none -msdata=none -fPIC -g -DIN_LIBGCC2
-fbuilding-libgcc -fno-stack-protector -Dinhibit_libc -msdata=none
-msdata=none -fPIC -I. -I. -I../../.././gcc
-I../../../../gcc-5.0.0-20150210/libgcc
-I../../../../gcc-5.0.0-20150210/libgcc/.
-I../../../../gcc-5.0.0-20150210/libgcc/../gcc
-I../../../../gcc-5.0.0-20150210/libgcc/../include -DHAVE_CC_TLS -DUSE_EMUTLS
-o _lshrdi3.o -MT _lshrdi3.o -MD -MP -MF _lshrdi3.dep -DL_lshrdi3 -c
../../../../gcc-5.0.0-20150210/libgcc/libgcc2.c -fvisibility=hidden
-DHIDE_EXPORTS
../../../../gcc-5.0.0-20150210/libgcc/libgcc2.c: In function '__gnu_lshrdi3':
../../../../gcc-5.0.0-20150210/libgcc/libgcc2.c:426:1: error: insn does not
satisfy its constraints:
}
^
(insn 86 72 8 2 (cond_exec (eq (reg:SI 0 A0)
(const_int 0 [0]))
(unspec [
(label_ref:SI 36)
(const_int 0 [0])
] UNSPEC_REAL_JUMP))
../../../../gcc-5.0.0-20150210/libgcc/libgcc2.c:405 439 {*p real_jump}
(nil))
../../../../gcc-5.0.0-20150210/libgcc/libgcc2.c:426:1: internal compiler error:
in extract_constrain_insn_cached, at recog.c:2258
0x885148 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
../../gcc-5.0.0-20150210/gcc/rtl-error.c:110
0x88516f _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
../../gcc-5.0.0-20150210/gcc/rtl-error.c:121
0x85d159 extract_constrain_insn_cached(rtx_insn*)
../../gcc-5.0.0-20150210/gcc/recog.c:2258
0xb0cb77 internal_dfa_insn_code(rtx_insn*)
../../gcc-5.0.0-20150210/gcc/config/c6x/c6x.md:407
0xb0be79 dfa_insn_code
/data/fedora/cross-gcc/tmp/build/gcc/insn-automata.c:735634
0xb0be79 state_transition(void*, rtx_def*)
/data/fedora/cross-gcc/tmp/build/gcc/insn-automata.c:735655
0xbbe910 prune_ready_list
../../gcc-5.0.0-20150210/gcc/haifa-sched.c:6278
0xbbf907 prune_ready_list
../../gcc-5.0.0-20150210/gcc/haifa-sched.c:6193
0xbbf907 schedule_block(basic_block_def**, void*)
../../gcc-5.0.0-20150210/gcc/haifa-sched.c:6604
0xc14e06 schedule_ebb(rtx_insn*, rtx_insn*, bool)
../../gcc-5.0.0-20150210/gcc/sched-ebb.c:557
0xc15516 schedule_ebbs()
../../gcc-5.0.0-20150210/gcc/sched-ebb.c:676
0xb0435b c6x_reorg
../../gcc-5.0.0-20150210/gcc/config/c6x/c6x.c:5998
0x883fb9 execute
../../gcc-5.0.0-20150210/gcc/reorg.c:4064
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://bugzilla.redhat.com/bugzilla/> for instructions.
Makefile:466: recipe for target '_lshrdi3.o' failed
make[3]: *** [_lshrdi3.o] Error 1
make[3]: Leaving directory
'/data/fedora/cross-gcc/tmp/build/c6x-uclinux/be/libgcc'
