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
