https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102860
Bug ID: 102860
Summary: [12 regression] libgomp.fortran/simd2.f90 ICEs after
r12-4526
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:d8edfadfc7a9795b65177a50ce44fd348858e844, r12-4526
I am only seeing this on a power 10 machine.
make -k check-target-libgomp
RUNTESTFLAGS="fortran.exp=libgomp.fortran/simd2.f90"
FAIL: libgomp.fortran/simd2.f90 -O2 (internal compiler error)
FAIL: libgomp.fortran/simd2.f90 -O2 (test for excess errors)
FAIL: libgomp.fortran/simd2.f90 -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (internal compiler error)
FAIL: libgomp.fortran/simd2.f90 -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (test for excess errors)
FAIL: libgomp.fortran/simd2.f90 -O3 -g (internal compiler error)
FAIL: libgomp.fortran/simd2.f90 -O3 -g (test for excess errors)
# of expected passes 6
# of unexpected failures 6
# of unresolved testcases 3
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/./gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/./gcc/
-B/home/seurer/gcc/git/install/gcc-test/powerpc64le-unknown-linux-gnu/bin/
-B/home/seurer/gcc/git/install/gcc-test/powerpc64le-unknown-linux-gnu/lib/
-isystem
/home/seurer/gcc/git/install/gcc-test/powerpc64le-unknown-linux-gnu/include
-isystem
/home/seurer/gcc/git/install/gcc-test/powerpc64le-unknown-linux-gnu/sys-include
/home/seurer/gcc/git/gcc-test/libgomp/testsuite/libgomp.fortran/simd2.f90
-B/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/
-B/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/.libs
-I/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp
-I/home/seurer/gcc/git/gcc-test/libgomp/testsuite/../../include
-I/home/seurer/gcc/git/gcc-test/libgomp/testsuite/.. -fmessage-length=0
-fno-diagnostics-show-caret -fdiagnostics-color=never -fopenmp
-B/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libquadmath/.libs/
-O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer
-finline-functions
-B/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libgfortran/.libs
-fintrinsic-modules-path=/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp
-L/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/.libs
-L/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libquadmath/.libs/
-L/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libgfortran/.libs
-lgfortran -foffload=-lgfortran -lquadmath -lm -o ./simd2.exe
during RTL pass: expand
/home/seurer/gcc/git/gcc-test/libgomp/testsuite/libgomp.fortran/simd2.f90:11:30:
internal compiler error: in prepare_cmp_insn, at optabs.c:4532
0x10ad438b prepare_cmp_insn
/home/seurer/gcc/git/gcc-test/gcc/optabs.c:4532
0x10ad4507 emit_cmp_and_jump_insns(rtx_def*, rtx_def*, rtx_code, rtx_def*,
machine_mode, int, rtx_def*, profile_probability)
/home/seurer/gcc/git/gcc-test/gcc/optabs.c:4677
0x106346a7 do_compare_rtx_and_jump(rtx_def*, rtx_def*, rtx_code, int,
machine_mode, rtx_def*, rtx_code_label*, rtx_code_label*, profile_probability)
/home/seurer/gcc/git/gcc-test/gcc/dojump.c:1220
0x10712eff do_cmp_and_jump
/home/seurer/gcc/git/gcc-test/gcc/expmed.c:6346
0x10712eff expand_divmod(int, tree_code, machine_mode, rtx_def*, rtx_def*,
rtx_def*, int, optab_methods)
/home/seurer/gcc/git/gcc-test/gcc/expmed.c:4865
0x10716dbb expand_expr_divmod
/home/seurer/gcc/git/gcc-test/gcc/expr.c:8945
0x1074094b expand_expr_real_2(separate_ops*, rtx_def*, machine_mode,
expand_modifier)
/home/seurer/gcc/git/gcc-test/gcc/expr.c:9582
0x105686a7 expand_gimple_stmt_1
/home/seurer/gcc/git/gcc-test/gcc/cfgexpand.c:3979
0x105686a7 expand_gimple_stmt
/home/seurer/gcc/git/gcc-test/gcc/cfgexpand.c:4040
0x105717db expand_gimple_basic_block
/home/seurer/gcc/git/gcc-test/gcc/cfgexpand.c:6082
0x1057476b execute
/home/seurer/gcc/git/gcc-test/gcc/cfgexpand.c:6808
commit d8edfadfc7a9795b65177a50ce44fd348858e844 (HEAD, refs/bisect/bad)
Author: Aldy Hernandez <al...@redhat.com>
Date: Mon Oct 4 09:47:02 2021 +0200
Disallow loop rotation and loop header crossing in jump threaders.
