[Bug c++/82629] OpenMP 4.5 Target Region mangling problem
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82629 --- Comment #4 from Thorsten Kurth --- Hello Richard, Was the test case received? Best Regards Thorsten Kurth
[Bug c++/82629] OpenMP 4.5 Target Region mangling problem
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82629 --- Comment #3 from Thorsten Kurth --- One more thing, In the test case I send, please change the $(XPPFLAGS) in the main.x target compilation to $(CXXFLAGS), so that -fopenmp is used at link time also. However, that does not solve the problem but it makes the Makefile more correct (the XPPFLAGS was a remnant from something I tried out earlier). Sorry for that. Best Regards Thorsten Kurth
[Bug c++/82629] OpenMP 4.5 Target Region mangling problem
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82629 --- Comment #2 from Thorsten Kurth --- Created attachment 42420 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42420&action=edit This is the test case demonstrating the problem. Linking this code will produce: -bash-4.2$ make main.x g++ -O2 -std=c++11 -fopenmp -foffload=nvptx-none -c aclass.cpp -o aclass.o g++ -O2 -std=c++11 -fopenmp -foffload=nvptx-none -c bclass.cpp -o bclass.o g++ aclass.o bclass.o -o main.x lto1: fatal error: aclass.o: section _ZN6master4copyERKS_$_omp_fn$1 is missing compilation terminated. mkoffload: fatal error: powerpc64le-unknown-linux-gnu-accel-nvptx-none-gcc returned 1 exit status compilation terminated. lto-wrapper: fatal error: /autofs/nccs-svm1_sw/summitdev/gcc/7.1.1-20170802/bin/../libexec/gcc/powerpc64le-unknown-linux-gnu/7.1.1//accel/nvptx-none/mkoffload returned 1 exit status compilation terminated. /usr/bin/ld: lto-wrapper failed /usr/bin/sha1sum: main.x: No such file or directory collect2: error: ld returned 1 exit status make: *** [main.x] Error 1 But looking at the object in question shows: -bash-4.2$ nm aclass.o U .TOC. d .offload_func_table d .offload_var_table U GOMP_parallel U GOMP_target_enter_exit_data U GOMP_target_ext U GOMP_teams 0350 T _ZN6aclass4copyERKS_ 0250 T _ZN6aclass8allocateERKj 0130 t _ZN6master4copyERKS_._omp_fn.0 t _ZN6master4copyERKS_._omp_fn.1 d _ZZN6master10deallocateEvE18.omp_data_kinds.20 b _ZZN6master10deallocateEvE18.omp_data_sizes.19 0002 d _ZZN6master4copyERKS_E18.omp_data_kinds.11 0008 d _ZZN6master4copyERKS_E18.omp_data_sizes.10 U _ZdaPv U _Znam U __cxa_throw_bad_array_new_length 0001 C __gnu_lto_v1 U omp_get_num_teams U omp_get_num_threads U omp_get_team_num U omp_get_thread_num The function is actually there. Best Regards Thorsten Kurth
[Bug c++/82629] OpenMP 4.5 Target Region mangling problem
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82629 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed||2017-10-20 Ever confirmed|0 |1 --- Comment #1 from Richard Biener --- Can you provide a testcase?
