https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113114
Bug ID: 113114
Summary: ICE in try_promote_writeback aarch64-ldp-fusion.cc
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, needs-bisection
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: fkastl at suse dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: aarch64-linux-gnu
While compiling the GCC testcase gcc.c-torture/execute/pr59643.c using an
aarch64 crosscompiler with these options
aarch64-linux-gnu-gcc
/home/worker/buildworker/tiber-option-juggler/build/gcc/testsuite/gcc.c-torture/execute/pr59643.c
-mabi=ilp32 -O2
the compiler runs into an ICE
during RTL pass: ldp_fusion
/home/worker/buildworker/tiber-option-juggler/build/gcc/testsuite/gcc.c-torture/execute/pr59643.c:
In function ‘foo’:
/home/worker/buildworker/tiber-option-juggler/build/gcc/testsuite/gcc.c-torture/execute/pr59643.c:11:1:
internal compiler error: in try_promote_writeback, at
config/aarch64/aarch64-ldp-fusion.cc:2604
11 | }
| ^
0x789ba3 try_promote_writeback
/home/worker/buildworker/tiber-gcc-trunk-aarch64/build/gcc/config/aarch64/aarch64-ldp-fusion.cc:2604
0x789ba3 ldp_fusion_bb(rtl_ssa::bb_info*)
/home/worker/buildworker/tiber-gcc-trunk-aarch64/build/gcc/config/aarch64/aarch64-ldp-fusion.cc:2635
0x11bc4a7 ldp_fusion()
/home/worker/buildworker/tiber-gcc-trunk-aarch64/build/gcc/config/aarch64/aarch64-ldp-fusion.cc:2655
0x11bc528 execute
/home/worker/buildworker/tiber-gcc-trunk-aarch64/build/gcc/config/aarch64/aarch64-ldp-fusion.cc:2705
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.
Configuration of the compiler:
Using built-in specs.
COLLECT_GCC=/home/worker/cross/bin/aarch64-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/home/worker/cross/libexec/gcc/aarch64-linux-gnu/14.0.0/lto-wrapper
Target: aarch64-linux-gnu
Configured with:
/home/worker/buildworker/tiber-gcc-trunk-aarch64/build/configure
--enable-languages=c,c++,fortran,rust,m2 --disable-bootstrap
--disable-libsanitizer --disable-multilib --enable-checking=release
--prefix=/home/worker/cross --target=aarch64-linux-gnu
--with-as=/usr/bin/aarch64-suse-linux-as
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.0 20231221 (experimental)
ec2ec24a4d4d1175f72641a95010c2312eb38ccd (GCC)
