https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91913
Bug ID: 91913
Summary: ICE in extract_constrain_insn, at recog.c:2211
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: ktkachov at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-linux-gnu
Target: armv7-linux-gnueabi
Following is causing ICE:
$ ./arm-linux-gnueabi-gfortran
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/string_ctor_1.f90 -Ofast
--param max-cse-insns=0 -fno-schedule-insns -fsanitize=null
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/string_ctor_1.f90:16:0:
16 | end subroutine
|
Error: insn does not satisfy its constraints:
(insn 288 197 200 25 (parallel [
(set (reg:CC 100 cc)
(compare:CC (reg/f:SI 6 r6 [150])
(const_int 0 [0])))
(set (reg/f:SI 13 sp)
(reg/f:SI 6 r6 [150]))
])
"/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/string_ctor_1.f90":15:0
168 {*movsi_compare0}
(expr_list:REG_ARGS_SIZE (const_int 0 [0])
(nil)))
during RTL pass: cprop_hardreg
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/string_ctor_1.f90:16:0:
internal compiler error: in extract_constrain_insn, at recog.c:2211
0x5a14af _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/rtl-error.c:108
0x5a14d5 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/rtl-error.c:118
0x5a09dc extract_constrain_insn(rtx_insn*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/recog.c:2211
0xa962c7 copyprop_hardreg_forward_1
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/regcprop.c:805
0xa96fa5 execute
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/regcprop.c:1374
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$ ./arm-linux-gnueabi-gfortran -v
Using built-in specs.
COLLECT_GCC=./arm-linux-gnueabi-gfortran
COLLECT_LTO_WRAPPER=/home/marxin/BIG/bin/arm/dev/shm/buildbot/install/gcc/bin/../libexec/gcc/arm-linux-gnueabi/10.0.0/lto-wrapper
Target: arm-linux-gnueabi
Configured with:
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/configure
--enable-languages=c,c++,fortran --disable-bootstrap --disable-libsanitizer
--disable-multilib --enable-checking=release
--prefix=/dev/shm/buildbot/install/gcc --target=arm-linux-gnueabi
--with-as=/usr/bin/arm-suse-linux-gnueabi-as
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 10.0.0 20190925 (experimental)
f2e61afa97856a6c96f6093c13f74e447084be3a (GCC
