Ok, I haven't reported the bug yet (because it has to go through Apple's bugtracker), and it's boring... If you want your gold star, I can let you fill the bug report :-) You introduced this after all :p Jean
On Sun, Oct 2, 2016 at 3:49 PM, Carsten Haitzler <ras...@rasterman.com> wrote: > On Sun, 2 Oct 2016 10:21:01 +0200 "Jean Guyomarc'h" <jean.guyoma...@gmail.com> > said: > >> Congratulations, you found an llvm bug :D >> llvm 8.0.0 on osx now segfaults when compiling a file with eina_list >> >> Llvm tells me to report the bug, so I will, but I wonder what we >> should do to handle this... >> Jean > > yup. same issue. > > 2 warnings generated. > 2 warnings generated. > 2 warnings generated. > 2 warnings generated. > #0 0x00007fc74e7707d8 llvm::sys::PrintStackTrace(llvm::raw_ostream&) > (/usr/bin/../lib/libLLVM-3.8.so+0x5ef7d8) > #1 0x00007fc74e76e3c6 llvm::sys::RunSignalHandlers() > (/usr/bin/../lib/libLLVM-3.8.so+0x5ed3c6) > #2 0x00007fc74e76e5aa (/usr/bin/../lib/libLLVM-3.8.so+0x5ed5aa) > #3 0x00007fc74d8770b0 __restore_rt (/usr/bin/../lib/libc.so.6+0x330b0) > #4 0x00007fc74ec7fba7 llvm::SelectionDAGBuilder::getControlRoot() > (/usr/bin/../lib/libLLVM-3.8.so+0xafeba7) > #5 0x00007fc74ecc32e3 > llvm::SelectionDAGISel::SelectBasicBlock(llvm::ilist_iterator<llvm::Instruction > const>, llvm::ilist_iterator<llvm::Instruction const>, bool&) > (/usr/bin/../lib/libLLVM-3.8.so+0xb422e3) > #6 0x00007fc74ecc6395 > llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) > (/usr/bin/../lib/libLLVM-3.8.so+0xb45395) > #7 0x00007fc74ecc7d7c > llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) > (/usr/bin/../lib/libLLVM-3.8.so+0xb46d7c) > #8 0x00007fc74fba8b04 (/usr/bin/../lib/libLLVM-3.8.so+0x1a27b04) > #9 0x00007fc74e8bd8c2 llvm::FPPassManager::runOnFunction(llvm::Function&) > (/usr/bin/../lib/libLLVM-3.8.so+0x73c8c2) > #10 0x00007fc74e8bdc8b llvm::FPPassManager::runOnModule(llvm::Module&) > (/usr/bin/../lib/libLLVM-3.8.so+0x73cc8b) > #11 0x00007fc74e8bdfb4 llvm::legacy::PassManagerImpl::run(llvm::Module&) > (/usr/bin/../lib/libLLVM-3.8.so+0x73cfb4) > #12 0x00000000006e9313 clang::EmitBackendOutput(clang::DiagnosticsEngine&, > clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions > const&, llvm::StringRef, llvm::Module*, clang::BackendAction, > llvm::raw_pwrite_stream*) (/usr/bin/clang-3.8+0x6e9313) > #13 0x0000000000a42db1 (/usr/bin/clang-3.8+0xa42db1) > #14 0x0000000000b8aaca clang::ParseAST(clang::Sema&, bool, bool) > (/usr/bin/clang-3.8+0xb8aaca) > #15 0x00000000009c2a2e clang::FrontendAction::Execute() > (/usr/bin/clang-3.8+0x9c2a2e) > #16 0x00000000009968a6 > clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) > (/usr/bin/clang-3.8+0x9968a6) > #17 0x0000000000a41c33 > clang::ExecuteCompilerInvocation(clang::CompilerInstance*) > (/usr/bin/clang-3.8+0xa41c33) > #18 0x00000000006a7918 cc1_main(llvm::ArrayRef<char const*>, char const*, > void*) (/usr/bin/clang-3.8+0x6a7918) > #19 0x00000000006a3b38 main (/usr/bin/clang-3.8+0x6a3b38) > #20 0x00007fc74d864291 __libc_start_main (/usr/bin/../lib/libc.so.6+0x20291) > #21 0x00000000006a5889 _start (/usr/bin/clang-3.8+0x6a5889) > Stack dump: > 0. Program arguments: /usr/bin/clang-3.8 -cc1 -triple > x86_64-unknown-linux-gnu -emit-obj -mrelax-all -disable-free > -disable-llvm-verifier -main-file-name ephysics_world.cpp -mrelocation-model > pic -pic-level 2 -mthread-model posix -mdisable-fp-elim -fmath-errno > -masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array > -target-cpu x86-64 -dwarf-column-info -debugger-tuning=gdb > -ffunction-sections -fdata-sections -coverage-file > /home/raster/C/efl/src/lib/ephysics/.libs/lib_ephysics_libephysics_la-ephysics_world.o > -resource-dir /usr/bin/../lib/clang/3.8.1 -dependency-file > lib/ephysics/.deps/lib_ephysics_libephysics_la-ephysics_world.Tpo > -sys-header-deps -MP -MT > lib/ephysics/lib_ephysics_libephysics_la-ephysics_world.lo -D HAVE_CONFIG_H > -I . -I .. -I ../src/lib/efl -I /usr/include/bullet -I ../src/lib/ephysics -I > ../src/lib/ephysics -I ../src/bindings/cxx/ephysics -I > ../src/bindings/ephysics -I ../src/lib/emile -I ../src/lib/emile -I > ../src/lib/eo -I ../src/lib/eo -I ../ src/lib > /ecore -I ../src/lib/ecore -I ../src/lib/efl -I ../src/lib/efl -I > ../src/lib/evas -I ../src/lib/evas -I ../src/lib/eina -I ../src/lib/eina -D > EFL_EPHYSICS_BUILD=1 -D PIC -D PIC -internal-isystem > /bin/../lib64/gcc/x86_64-pc-linux-gnu/6.1.1/../../../../include/c++/6.1.1 > -internal-isystem > /bin/../lib64/gcc/x86_64-pc-linux-gnu/6.1.1/../../../../include/c++/6.1.1/x86_64-pc-linux-gnu > -internal-isystem > /bin/../lib64/gcc/x86_64-pc-linux-gnu/6.1.1/../../../../include/c++/6.1.1/backward > -internal-isystem /usr/local/include -internal-isystem > /usr/bin/../lib/clang/3.8.1/include -internal-externc-isystem /include > -internal-externc-isystem /usr/include -Wall -Wextra -Wpointer-arith > -Wno-missing-field-initializers -std=gnu++11 -fdeprecated-macro > -fdebug-compilation-dir /home/raster/C/efl/src -ferror-limit 19 > -fmessage-length 196 -fvisibility hidden -fobjc-runtime=gcc -fcxx-exceptions > -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -o > lib/ephysics/.libs/lib_ephysics_libephysics_la-ephy si > cs_world.o -x c++ lib/ephysics/ephysics_world.cpp > 1. <eof> parser at end of file > 2. Code generation > 3. Running pass 'Function Pass Manager' on module > 'lib/ephysics/ephysics_world.cpp'. > 4. Running pass 'X86 DAG->DAG Instruction Selection' on function > '@_Z16_simulate_worldsPv' > clang-3.8: error: unable to execute command: Segmentation fault (core dumped) > clang-3.8: error: clang frontend command failed due to signal (use -v to see > invocation) > clang version 3.8.1 (tags/RELEASE_381/final) > Target: x86_64-unknown-linux-gnu > Thread model: posix > InstalledDir: /bin > clang-3.8: note: diagnostic msg: PLEASE submit a bug report to > http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, > and associated run script. > clang-3.8: note: diagnostic msg: > ******************** > > PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: > Preprocessed source(s) and associated run script(s) are located at: > clang-3.8: note: diagnostic msg: /tmp/ephysics_world-8afc31.cpp > clang-3.8: note: diagnostic msg: /tmp/ephysics_world-8afc31.sh > clang-3.8: note: diagnostic msg: > > ******************** > make[5]: *** [Makefile:46771: > lib/ephysics/lib_ephysics_libephysics_la-ephysics_world.lo] Error 1 > > >> On Sat, Oct 1, 2016 at 5:38 PM, Carsten Haitzler <ras...@rasterman.com> >> wrote: >> > raster pushed a commit to branch master. >> > >> > http://git.enlightenment.org/core/efl.git/commit/?id=a2d507d3bfd12b84620eb7361b8fd8f3a5ba0dda >> > >> > commit a2d507d3bfd12b84620eb7361b8fd8f3a5ba0dda >> > Author: Carsten Haitzler (Rasterman) <ras...@rasterman.com> >> > Date: Sat Oct 1 17:51:25 2016 +0900 >> > >> > eina list - make use of prefetch for minor speedups >> > >> > i see a speedup of about 8% over a series of list walking and freeing >> > functions given this change. it's a small speedup but still not too >> > shabby just for some prefetches thrown in. ymmv depending on memory >> > subsystem, memory speed itself, cpu and architecture. >> > >> > @optimize >> > --- >> > src/lib/eina/eina_list.h | 34 +++++++++++++++++++++++++--------- >> > 1 file changed, 25 insertions(+), 9 deletions(-) >> > >> > diff --git a/src/lib/eina/eina_list.h b/src/lib/eina/eina_list.h >> > index e35943e..146601d 100644 >> > --- a/src/lib/eina/eina_list.h >> > +++ b/src/lib/eina/eina_list.h >> > @@ -1411,12 +1411,16 @@ EAPI int eina_list_data_idx(const >> > Eina_List *list, void *data) >> > * For destructive operations such as this, consider >> > * using EINA_LIST_FOREACH_SAFE(). >> > */ >> > -#define EINA_LIST_FOREACH(list, l, data) \ >> > +#define EINA_LIST_FOREACH(list, l, _data)\ >> > for (l = list, \ >> > - data = eina_list_data_get(l); \ >> > + _data = eina_list_data_get(l), \ >> > + l ? (EINA_PREFETCH(l->next), EINA_PREFETCH(_data)) : EINA_PREFETCH >> > (l); \ >> > + \ >> > l; \ >> > + \ >> > l = eina_list_next(l), \ >> > - data = eina_list_data_get(l)) >> > + _data = eina_list_data_get(l), \ >> > + l ? (EINA_PREFETCH(l->next), EINA_PREFETCH(_data)) : EINA_PREFETCH >> > (l)) >> > >> > /** >> > * @def EINA_LIST_REVERSE_FOREACH >> > @@ -1469,12 +1473,14 @@ EAPI int eina_list_data_idx(const >> > Eina_List *list, void *data) >> > * For destructive operations such as this, consider >> > * using EINA_LIST_REVERSE_FOREACH_SAFE(). >> > */ >> > -#define EINA_LIST_REVERSE_FOREACH(list, l, data) \ >> > +#define EINA_LIST_REVERSE_FOREACH(list, l, _data)\ >> > for (l = eina_list_last(list), \ >> > - data = eina_list_data_get(l); \ >> > + _data = eina_list_data_get(l), \ >> > + l ? (EINA_PREFETCH(l->prev), EINA_PREFETCH(_data)) : EINA_PREFETCH >> > (l); \ l; \ >> > l = eina_list_prev(l), \ >> > - data = eina_list_data_get(l)) >> > + _data = eina_list_data_get(l), \ >> > + l ? (EINA_PREFETCH(l->prev), EINA_PREFETCH(_data)) : EINA_PREFETCH >> > (l)) >> > >> > /** >> > * @def EINA_LIST_FOREACH_SAFE >> > @@ -1525,11 +1531,15 @@ EAPI int eina_list_data_idx(const >> > Eina_List *list, void *data) >> > #define EINA_LIST_FOREACH_SAFE(list, l, l_next, data) \ >> > for (l = list, \ >> > l_next = eina_list_next(l), \ >> > + EINA_PREFETCH(l_next), \ >> > data = eina_list_data_get(l); \ >> > + EINA_PREFETCH(data), \ >> > l; \ >> > l = l_next, \ >> > l_next = eina_list_next(l), \ >> > - data = eina_list_data_get(l)) >> > + EINA_PREFETCH(l_next), \ >> > + data = eina_list_data_get(l), \ >> > + EINA_PREFETCH(data)) >> > >> > /** >> > * @def EINA_LIST_REVERSE_FOREACH_SAFE >> > @@ -1582,11 +1592,15 @@ EAPI int eina_list_data_idx(const >> > Eina_List *list, void *data) >> > #define EINA_LIST_REVERSE_FOREACH_SAFE(list, l, l_prev, data) \ >> > for (l = eina_list_last(list), \ >> > l_prev = eina_list_prev(l), \ >> > + EINA_PREFETCH(l_prev), \ >> > data = eina_list_data_get(l); \ >> > + EINA_PREFETCH(data), \ >> > l; \ >> > l = l_prev, \ >> > l_prev = eina_list_prev(l), \ >> > - data = eina_list_data_get(l)) >> > + EINA_PREFETCH(l_prev), \ >> > + data = eina_list_data_get(l), \ >> > + EINA_PREFETCH(data)) >> > >> > /** >> > * @def EINA_LIST_FREE >> > @@ -1624,9 +1638,11 @@ EAPI int eina_list_data_idx(const >> > Eina_List *list, void *data) >> > * @see eina_list_free() >> > */ >> > #define EINA_LIST_FREE(list, data) \ >> > - for (data = eina_list_data_get(list); \ >> > + for (data = eina_list_data_get(list), \ >> > + list ? EINA_PREFETCH((list)->next) : EINA_PREFETCH(list); \ >> > list; \ >> > list = eina_list_remove_list(list, list), \ >> > + list ? EINA_PREFETCH((list)->next) : EINA_PREFETCH(list), \ >> > data = eina_list_data_get(list)) >> > >> > #include "eina_inline_list.x" >> > >> > -- >> > >> > >> > > > -- > ------------- Codito, ergo sum - "I code, therefore I am" -------------- > The Rasterman (Carsten Haitzler) ras...@rasterman.com > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ enlightenment-devel mailing list enlightenment-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/enlightenment-devel