Thanks. Could you test this new asm on all your systems/compilers? I don't want break that fragile code again. Brice
Le 21 juillet 2015 08:17:06 UTC+02:00, Paul Hargrove <phhargr...@lbl.gov> a écrit : >Oops - send the wrong asm code. >While "=S" is correct for the second constraint, I meant to send a >version >that had "=r" because it allows the compiler more choices. > >-Paul > >On Mon, Jul 20, 2015 at 11:12 PM, Paul Hargrove <phhargr...@lbl.gov> >wrote: > >> PGI-14.10 for 32-bit targets fails in the same manner as 13.7, 13.9 >and >> 13.10. >> >> I believe the following inline x86 asm is correct and more robust >than the >> existing code that pgi appears to reject: >> >> #elif defined(HWLOC_X86_32_ARCH) >> __asm__( >> "xchg %%ebx,%1\n\t" >> "cpuid\n\t" >> "xchg %%ebx,%1\n\t" >> : "=a" (*eax), "=S" (*ebx), "=c" (*ecx), "=d" (*edx) >> : "0" (*eax), "2" (*ecx)); >> #else >> >> -Paul >> >> On Mon, Jul 20, 2015 at 9:50 PM, Paul Hargrove <phhargr...@lbl.gov> >wrote: >> >>> Pavan, >>> >>> I can confirm that I see the same with PGI-13.10. >>> >>> I have a couple systems with 14.x installed but neither with 32-bit >>> support. >>> I am downloading 32-bit support now (which I am assuming will work >with >>> the existing license) and will report back. >>> >>> -Paul >>> >>> On Mon, Jul 20, 2015 at 9:00 PM, Balaji, Pavan <bal...@anl.gov> >wrote: >>> >>>> Hello, >>>> >>>> The hwloc-1.11 build seems to fail with the pgi compiler on 32-bit >>>> platforms. I see the following error: >>>> >>>> ----8<---- >>>> CC topology-x86.lo >>>> PGC-F-0000-Internal compiler error. unable to allocate a register >>>> 8 (topology-x86.c: 87) >>>> PGC/x86 Linux 13.9-0: compilation aborted >>>> ----8<---- >>>> >>>> I only tried pgi-13.7 and 13.9 (I don't have access to later >compiler >>>> versions). It looks like the compiler doesn't like the assembly >code in >>>> include/private/cpuid-x86.h for 32-bit platforms. >>>> >>>> >>>> >>>> Thanks, >>>> >>>> -- Pavan >>>> >>>> _______________________________________________ >>>> hwloc-devel mailing list >>>> hwloc-de...@open-mpi.org >>>> Subscription: >http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-devel >>>> Link to this post: >>>> >http://www.open-mpi.org/community/lists/hwloc-devel/2015/07/4501.php >>>> >>> >>> >>> >>> -- >>> Paul H. Hargrove phhargr...@lbl.gov >>> Computer Languages & Systems Software (CLaSS) Group >>> Computer Science Department Tel: +1-510-495-2352 >>> Lawrence Berkeley National Laboratory Fax: +1-510-486-6900 >>> >> >> >> >> -- >> Paul H. Hargrove phhargr...@lbl.gov >> Computer Languages & Systems Software (CLaSS) Group >> Computer Science Department Tel: +1-510-495-2352 >> Lawrence Berkeley National Laboratory Fax: +1-510-486-6900 >> > > > >-- >Paul H. Hargrove phhargr...@lbl.gov >Computer Languages & Systems Software (CLaSS) Group >Computer Science Department Tel: +1-510-495-2352 >Lawrence Berkeley National Laboratory Fax: +1-510-486-6900 > > >------------------------------------------------------------------------ > >_______________________________________________ >hwloc-devel mailing list >hwloc-de...@open-mpi.org >Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-devel >Link to this post: >http://www.open-mpi.org/community/lists/hwloc-devel/2015/07/4505.php
