On Tue, May 17, 2016 at 5:51 AM, Richard Biener <rguent...@suse.de> wrote: > > The following fixes a latent issue in loop distribution catched by > the fake edge placement adjustment. > > Bootstrapped and tested on x86_64-unknown-linux-gnu, applied. > > Richard. > > 2016-05-17 Richard Biener <rguent...@suse.de> > > PR tree-optimization/71132 > * tree-loop-distribution.c (create_rdg_cd_edges): Pass in loop. > Only add control dependences for blocks in the loop. > (build_rdg): Adjust. > (generate_code_for_partition): Return whether loop should > be destroyed and delay that. > (distribute_loop): Likewise. > (pass_loop_distribution::execute): Record loops to be destroyed > and perform delayed destroying of loops. > > * gcc.dg/torture/pr71132.c: New testcase. >
On x86, this caused: FAIL: c-c++-common/cilk-plus/AN/builtin_fn_custom.c -O3 -fcilkplus (internal compiler error) FAIL: c-c++-common/cilk-plus/AN/builtin_fn_custom.c -O3 -fcilkplus (test for excess errors) FAIL: c-c++-common/cilk-plus/AN/builtin_fn_mutating.c -fcilkplus -O3 -std=c99 (internal compiler error) FAIL: c-c++-common/cilk-plus/AN/builtin_fn_mutating.c -fcilkplus -O3 -std=c99 (test for excess errors) FAIL: c-c++-common/cilk-plus/AN/builtin_fn_mutating.c -O3 -fcilkplus (internal compiler error) FAIL: c-c++-common/cilk-plus/AN/builtin_fn_mutating.c -O3 -fcilkplus (test for excess errors) FAIL: c-c++-common/cilk-plus/AN/builtin_func_double.c -fcilkplus -O3 -std=c99 (internal compiler error) FAIL: c-c++-common/cilk-plus/AN/builtin_func_double.c -fcilkplus -O3 -std=c99 (test for excess errors) FAIL: c-c++-common/cilk-plus/AN/builtin_func_double.c -O3 -fcilkplus (internal compiler error) FAIL: c-c++-common/cilk-plus/AN/builtin_func_double.c -O3 -fcilkplus (internal compiler error) FAIL: c-c++-common/cilk-plus/AN/builtin_func_double.c -O3 -fcilkplus (test for excess errors) FAIL: c-c++-common/cilk-plus/AN/builtin_func_double.c -O3 -fcilkplus (test for excess errors) FAIL: c-c++-common/cilk-plus/AN/sec_reduce_ind_same_value.c -fcilkplus -O3 -std=c99 (internal compiler error) FAIL: c-c++-common/cilk-plus/AN/sec_reduce_ind_same_value.c -fcilkplus -O3 -std=c99 (test for excess errors) FAIL: c-c++-common/cilk-plus/AN/sec_reduce_ind_same_value.c -O3 -fcilkplus (internal compiler error) FAIL: c-c++-common/cilk-plus/AN/sec_reduce_ind_same_value.c -O3 -fcilkplus (test for excess errors) FAIL: gcc.c-torture/compile/pr32399.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gcc.c-torture/compile/pr32399.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gcc.c-torture/compile/pr32399.c -O3 -g (internal compiler error) FAIL: gcc.c-torture/compile/pr32399.c -O3 -g (test for excess errors) FAIL: gcc.c-torture/execute/20010221-1.c -O3 -g (internal compiler error) FAIL: gcc.c-torture/execute/20010221-1.c -O3 -g (test for excess errors) FAIL: gcc.c-torture/execute/20120919-1.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gcc.c-torture/execute/20120919-1.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gcc.c-torture/execute/20120919-1.c -O3 -g (internal compiler error) FAIL: gcc.c-torture/execute/20120919-1.c -O3 -g (test for excess errors) FAIL: gcc.dg/torture/pr61383-1.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gcc.dg/torture/pr61383-1.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gcc.dg/torture/pr69452.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gcc.dg/torture/pr69452.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gcc.dg/torture/pr69452.c -O3 -g (internal compiler error) FAIL: gcc.dg/torture/pr69452.c -O3 -g (test for excess errors) FAIL: g++.dg/cilk-plus/AN/builtin_fn_mutating_tplt.cc -g -O3 -fcilkplus (internal compiler error) FAIL: g++.dg/cilk-plus/AN/builtin_fn_mutating_tplt.cc -g -O3 -fcilkplus (test for excess errors) FAIL: g++.dg/cilk-plus/AN/builtin_fn_mutating_tplt.cc -O3 -fcilkplus (internal compiler error) FAIL: g++.dg/cilk-plus/AN/builtin_fn_mutating_tplt.cc -O3 -fcilkplus (test for excess errors) FAIL: g++.dg/cilk-plus/AN/builtin_fn_mutating_tplt.cc -O3 -ftree-vectorize -fcilkplus -g (internal compiler error) FAIL: g++.dg/cilk-plus/AN/builtin_fn_mutating_tplt.cc -O3 -ftree-vectorize -fcilkplus -g (test for excess errors) FAIL: gfortran.dg/do_concurrent_2.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gfortran.dg/do_concurrent_2.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gfortran.dg/forall_4.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions execution test FAIL: gfortran.dg/forall_4.f90 -O3 -g execution test FAIL: gfortran.dg/intrinsic_modulo_1.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gfortran.dg/intrinsic_modulo_1.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gfortran.dg/maxloc_2.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gfortran.dg/maxloc_2.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gfortran.dg/maxloc_2.f90 -O3 -g (internal compiler error) FAIL: gfortran.dg/maxloc_2.f90 -O3 -g (test for excess errors) FAIL: gfortran.dg/maxlocval_2.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gfortran.dg/maxlocval_2.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gfortran.dg/maxlocval_2.f90 -O3 -g (internal compiler error) FAIL: gfortran.dg/maxlocval_2.f90 -O3 -g (test for excess errors) FAIL: gfortran.dg/minloc_1.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gfortran.dg/minloc_1.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gfortran.dg/minloc_1.f90 -O3 -g (internal compiler error) FAIL: gfortran.dg/minloc_1.f90 -O3 -g (test for excess errors) FAIL: gfortran.dg/minloc_3.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gfortran.dg/minloc_3.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gfortran.dg/minloc_3.f90 -O3 -g (internal compiler error) FAIL: gfortran.dg/minloc_3.f90 -O3 -g (test for excess errors) FAIL: gfortran.dg/minlocval_1.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gfortran.dg/minlocval_1.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gfortran.dg/minlocval_1.f90 -O3 -g (internal compiler error) FAIL: gfortran.dg/minlocval_1.f90 -O3 -g (test for excess errors) FAIL: gfortran.dg/minlocval_3.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gfortran.dg/minlocval_3.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gfortran.dg/minlocval_3.f90 -O3 -g (internal compiler error) FAIL: gfortran.dg/minlocval_3.f90 -O3 -g (test for excess errors) FAIL: gfortran.dg/minmaxloc_4.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gfortran.dg/minmaxloc_4.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gfortran.dg/minmaxloc_5.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gfortran.dg/minmaxloc_5.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gfortran.dg/minmaxloc_5.f90 -O3 -g (internal compiler error) FAIL: gfortran.dg/minmaxloc_5.f90 -O3 -g (test for excess errors) FAIL: gfortran.dg/minmaxloc_6.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (internal compiler error) FAIL: gfortran.dg/minmaxloc_6.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) FAIL: gfortran.dg/minmaxloc_6.f90 -O3 -g (internal compiler error) FAIL: gfortran.dg/minmaxloc_6.f90 -O3 -g (test for excess errors) FAIL: gfortran.dg/PR19754_2.f90 -O3 -g (internal compiler error) FAIL: gfortran.dg/PR19754_2.f90 -O3 -g (test for excess errors) FAIL: gfortran.fortran-torture/compile/pr70960.f90, -O3 -g (internal compiler error) FAIL: gfortran.fortran-torture/execute/intrinsic_count.f90, -O3 -g (internal compiler error) FAIL: gfortran.fortran-torture/execute/intrinsic_product.f90, -O3 -g (internal compiler error) FAIL: gfortran.fortran-torture/execute/intrinsic_sum.f90, -O3 -g (internal compiler error) FAIL: gfortran.fortran-torture/execute/where20.f90, -O3 -g (internal compiler error) It works for x86-64. On x86, I got [hjl@gnu-6 gcc]$ /export/build/gnu/gcc-32bit/build-i686-linux/gcc/xgcc -B/export/build/gnu/gcc-32bit/build-i686-linux/gcc/ -fno-diagnostics-show-caret -fdiagnostics-color=never -O3 -g -w -c -o pr32399.o /export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.c-torture/compile/pr32399.c /export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.c-torture/compile/pr32399.c: In function âfâ: /export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.c-torture/compile/pr32399.c:1:6: internal compiler error: in execute_todo, at passes.c:2009 0x8884fe4 execute_todo /export/gnu/import/git/sources/gcc/gcc/passes.c:2009 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions. [hjl@gnu-6 gcc]$ -- H.J.
