https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116309
Bug ID: 116309
Summary: ICE unrecognizable insn while compiling pr111821.c for
s390
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: pheeck at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-linux
Target: s390x-linux-gnu
Compiling the GCC testsuite file gcc.dg/torture/pr111821.c with -O3 or -Oz
results in an ICE
s390x-linux-gnu-gcc
/home/worker/buildworker/tiber-option-juggler/build/gcc/testsuite/gcc.dg/torture/pr111821.c
-O3
/home/worker/buildworker/tiber-option-juggler/build/gcc/testsuite/gcc.dg/torture/pr111821.c:
In function âfâ:
/home/worker/buildworker/tiber-option-juggler/build/gcc/testsuite/gcc.dg/torture/pr111821.c:9:1:
error: unrecognizable insn:
9 | }
| ^
(insn 7 6 8 2 (parallel [
(set (strict_low_part (subreg:HI (reg:DI 61) 6))
(subreg:HI (reg:DI 64) 6))
(clobber (reg:CC 33 %cc))
])
"/home/worker/buildworker/tiber-option-juggler/build/gcc/testsuite/gcc.dg/torture/pr111821.c":7:22
-1
(nil))
during RTL pass: vregs
/home/worker/buildworker/tiber-option-juggler/build/gcc/testsuite/gcc.dg/torture/pr111821.c:9:1:
internal compiler error: in extract_insn, at recog.cc:2869
0x17ce5de internal_error(char const*, ...)
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/diagnostic-global-context.cc:491
0x66daad fancy_abort(char const*, int, char const*)
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/diagnostic.cc:1772
0x64d5b2 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/rtl-error.cc:108
0x64d5ce _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/rtl-error.cc:116
0x64c9f0 extract_insn(rtx_insn*)
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/recog.cc:2869
0x925320 instantiate_virtual_regs_in_insn
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/function.cc:1612
0x925320 instantiate_virtual_regs
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/function.cc:1995
0x925320 execute
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/function.cc:2042
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/diagnostic.cc:1772
0x64d5b2 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/rtl-error.cc:108
0x64d5ce _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/rtl-error.cc:116
0x64c9f0 extract_insn(rtx_insn*)
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/recog.cc:2869
0x925320 instantiate_virtual_regs_in_insn
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/function.cc:1612
0x925320 instantiate_virtual_regs
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/function.cc:1995
0x925320 execute
/home/worker/buildworker/tiber-gcc-trunk-s390x/build/gcc/function.cc:2042
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Compiler configuration:
Using built-in specs.
COLLECT_GCC=/home/worker/cross/bin/s390x-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/home/worker/cross/libexec/gcc/s390x-linux-gnu/15.0.0/lto-wrapper
Target: s390x-linux-gnu
Configured with: /home/worker/buildworker/tiber-gcc-trunk-s390x/build/configure
--enable-languages=c,c++,fortran --disable-bootstrap --disable-libsanitizer
--disable-multilib --enable-checking=release --prefix=/home/worker/cross
--target=s390x-linux-gnu --with-as=/usr/bin/s390x-suse-linux-as
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20240808 (experimental)
7223c64745530db102a160d5a1db4c2c8d2b9fe1 (GCC)
