https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112661
Bug ID: 112661
Summary: [14] RISC-V ICE: in duplicate_and_interleave, at
tree-vect-slp.cc:8025 with maxval_char_3.f90 vlen256b
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: patrick at rivosinc dot com
Target Milestone: ---
Found on pr112597, GCC hash: 30d8188e6d1b450533ab0055b951ebfc75022219
Replicated using 7a496b7ce105185be12e023e749c90d5f7561879 since that's what I
had on hand.
> ./bin/riscv64-unknown-linux-gnu-gcc -march=rv64gcv_zvl256b -mabi=lp64d -O3
> maxval_char_3.f90 -freport-bug
during GIMPLE pass: vect
maxval_char_3.f90:2:12:
2 | program main
| ^
internal compiler error: in duplicate_and_interleave, at tree-vect-slp.cc:8025
0xa8fb27 duplicate_and_interleave(vec_info*, gimple**, tree_node*,
vec<tree_node*, va_heap, vl_ptr> const&, unsigned int, vec<tree_node*, va_heap,
vl_ptr>&)
../../../gcc/gcc/tree-vect-slp.cc:8025
0x15e04b5 vect_create_constant_vectors
../../../gcc/gcc/tree-vect-slp.cc:8246
0x15e04b5 vect_schedule_slp_node
../../../gcc/gcc/tree-vect-slp.cc:9052
0x15f39ff vect_schedule_scc
../../../gcc/gcc/tree-vect-slp.cc:9433
0x15f4698 vect_schedule_scc
../../../gcc/gcc/tree-vect-slp.cc:9450
0x15f4da7 vect_schedule_slp(vec_info*, vec<_slp_instance*, va_heap, vl_ptr>
const&)
../../../gcc/gcc/tree-vect-slp.cc:9614
0x15c3aeb vect_transform_loop(_loop_vec_info*, gimple*)
../../../gcc/gcc/tree-vect-loop.cc:11710
0x1605791 vect_transform_loops
../../../gcc/gcc/tree-vectorizer.cc:1006
0x1605f03 try_vectorize_loop_1
../../../gcc/gcc/tree-vectorizer.cc:1152
0x1605f03 try_vectorize_loop
../../../gcc/gcc/tree-vectorizer.cc:1182
0x1606514 execute
../../../gcc/gcc/tree-vectorizer.cc:1298
Please submit a full bug report, with preprocessed source.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
-freport bug does not seem to generate any output so please let me know if you
need any additional info:
> ./bin/riscv64-unknown-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=./bin/riscv64-unknown-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/scratch/tc-testing/bisect-issue/hash-7a496b7ce105185be12e023e749c90d5f7561879/libexec/gcc/riscv64-unknown-linux-gnu/14.0.0/lto-wrapper
Target: riscv64-unknown-linux-gnu
Configured with:
/scratch/tc-testing/bisect-issue/hash-7a496b7ce105185be12e023e749c90d5f7561879/../gcc/configure
--target=riscv64-unknown-linux-gnu
--prefix=/scratch/tc-testing/bisect-issue/hash-7a496b7ce105185be12e023e749c90d5f7561879
--with-sysroot=/scratch/tc-testing/bisect-issue/hash-7a496b7ce105185be12e023e749c90d5f7561879/sysroot
--with-pkgversion=g7a496b7ce10 --with-system-zlib --enable-shared --enable-tls
--enable-languages=c,c++,fortran --disable-libmudflap --disable-libssp
--disable-libquadmath --disable-libsanitizer --disable-nls --disable-bootstrap
--src=../../gcc --enable-multilib --with-abi=lp64d --with-arch=rv64imafdc
--with-tune=rocket --with-isa-spec=20191213 'CFLAGS_FOR_TARGET=-O2
-mcmodel=medlow' 'CXXFLAGS_FOR_TARGET=-O2 -mcmodel=medlow'
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.0 20231116 (experimental) (g7a496b7ce10)
Source file:
https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=gcc/testsuite/gfortran.dg/maxval_char_3.f90;h=cc41ae049fb4920f0148f9c470071d6b940527c4;hb=7a496b7ce105185be12e023e749c90d5f7561879
