2014-11-25 21:49 GMT+01:00 Carl Kleffner <cmkleff...@gmail.com>: > Hi Kai, > > you may take notice of some inconsistent behaviour. The master thread starts > with extended precision. Newly created threads start with the MSVC standard > double precision. > > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=761175 > > #include <pthread.h> > #include <stdio.h> > > void *thread_fun(void *x_void_ptr) > { > printf("thread\n"); > return NULL; > } > int main() > { > pthread_t thread; > > if(pthread_create(&thread, NULL, thread_fun, NULL)) { > fprintf(stderr, "Error creating thread\n"); > return 1; > } > if(pthread_join(thread, NULL)) { > fprintf(stderr, "Error joining thread\n"); > return 2; > } > return 0; > } > > // (gdb) break main > // Breakpoint 1 at 0x40157c > // (gdb) break thread_fun > // Breakpoint 2 at 0x401566 > // (gdb) r > // Starting program: a.exe > // [New Thread 5832.0x7c8] > // > // Breakpoint 1, 0x0040157c in main () > // (gdb) p $fctrl > // $1 = 895 > // (gdb) c > // Continuing. > // [New Thread 5832.0xf10] > // [Switching to Thread 5832.0xf10] > // > // Breakpoint 2, 0x00401566 in thread_fun () > // (gdb) p $fctrl > // $2 = 639 > // (gdb) c > > Is there a way to get around of this? > > > 2014-11-24 21:30 GMT+01:00 Kai Tietz <ktiet...@googlemail.com>: >> >> Hello, >> >> so from my POV decision is already made. 80-bit support is wanted, >> and needs to be active for being compatible with C99-math and >> testsuites and gcc for Windows. This support for 64-bit goes back to >> 2005, and for 32-bit even much earlier (1998 ?). >> We provide a way for users asking explicit for 64-bit precision by >> different object-files, as already noted in this thread (CRT_fp8, >> CRT_fp10,...). This is the same as for txtmode.o vs. binmode.o, or >> CRT_noglob.o vs. CRT_glob.o changing behavior. >> >> Nevertheless I would welcome if someone would contribute a good page >> on our Wiki FAQ-section. >> >> Regards, >> Kai >> >> >> ------------------------------------------------------------------------------ >> Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server >> from Actuate! Instantly Supercharge Your Business Reports and Dashboards >> with Interactivity, Sharing, Native Excel Exports, App Integration & more >> Get technology previously reserved for billion-dollar corporations, FREE >> >> http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk >> _______________________________________________ >> Mingw-w64-public mailing list >> Mingw-w64-public@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
Yes, we can do here something. Question is here the following: Do we want to do this only if executable is generated by mingw-w64, or do we want it for each loaded DLL? Kai ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
