https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114885
Bug ID: 114885 Summary: RISC-V: ICE of unrecog insn when graphite for both the c/c++ and fortran Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: pan2.li at intel dot com Target Milestone: --- When some graphite (require the isl build for gcc) tests, there are sorts of ICE that cannot recog the insn. FAIL: gcc.dg/graphite/pr111878.c (internal compiler error: in extract_insn, at recog.cc:2812) FAIL: gfortran.dg/graphite/id-27.f90 -O (internal compiler error: in extract_insn, at recog.cc:2812) FAIL: gfortran.dg/graphite/id-27.f90 -O (test for excess errors) FAIL: gfortran.dg/graphite/pr14741.f90 -O (internal compiler error: in extract_insn, at recog.cc:2812) FAIL: gfortran.dg/graphite/pr14741.f90 -O (test for excess errors) FAIL: gfortran.dg/graphite/pr29581.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error: in extract_insn, at recog.cc:2812) FAIL: gfortran.dg/graphite/pr29581.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gfortran.dg/graphite/pr29581.f90 -O3 -g (internal compiler error: in extract_insn, at recog.cc:2812) FAIL: gfortran.dg/graphite/pr29581.f90 -O3 -g (test for excess errors) FAIL: gfortran.dg/graphite/pr29832.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error: in extract_insn, at recog.cc:2812) FAIL: gfortran.dg/graphite/pr29832.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gfortran.dg/graphite/pr29832.f90 -O3 -g (internal compiler error: in extract_insn, at recog.cc:2812) FAIL: gfortran.dg/graphite/pr29832.f90 -O3 -g (test for excess errors) FAIL: gfortran.dg/graphite/vect-pr40979.f90 -O (internal compiler error: in extract_insn, at recog.cc:2812) FAIL: gfortran.dg/graphite/vect-pr40979.f90 -O (test for excess errors) Reproduce step(s): 1. download isl-0.24, let isl -> /some-where/riscv-gnu-toolchain/gcc/isl-0.24 2. mkdir __BUILD__ && cd __BUILD__ && ../configure \ --target=riscv64-unknown-elf \ --prefix=${INSTALL_DIR} \ --disable-shared \ --enable-threads \ --enable-tls \ --enable-languages=c,c++,fortran \ --with-system-zlib \ --with-newlib \ --disable-libmudflap \ --disable-libssp \ --disable-libquadmath \ --disable-libgomp \ --enable-nls \ --disable-tm-clone-registry \ --src=`pwd`/../ \ --with-abi=lp64d \ --with-arch=rv64gcv \ --with-tune=rocket \ --with-isa-spec=20191213 \ CFLAGS_FOR_BUILD="-O0 -g" \ CXXFLAGS_FOR_BUILD="-O0 -g" \ CFLAGS_FOR_TARGET="-O0 -g" \ CXXFLAGS_FOR_TARGET="-O0 -g" \ BOOT_CFLAGS="-O0 -g" \ CFLAGS="-O0 -g" \ CXXFLAGS="-O0 -g" \ GM2FLAGS_FOR_TARGET="-O0 -g" \ GOCFLAGS_FOR_TARGET="-O0 -g" \ GDCFLAGS_FOR_TARGET="-O0 -g" make -j $(nproc) all-gcc && make install-gcc 3. ../__RISC-V_INSTALL___RV64/bin/riscv64-unknown-elf-gcc gcc/testsuite/gcc.dg/graphite/pr111878.c -O3 -fgraphite-identity -fsave-optimization-record -march=rv64gcv -mabi=lp64d -c -S -o -