Hi raster, any update on this? Until this is fixed, osx (and clang) builds are doomed :/ Maybe we can blacklist compilers known to crash when using EINA_PREFETCH_*? It does not feel very elegant, but it would unbreak the build.
Jean On Sun, Oct 2, 2016 at 4:01 PM, Jean Guyomarc'h <jean.guyoma...@gmail.com> wrote: > 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-ephysi > > 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