fix AMD physical cores count documented as core_info low byte + 1

---
 winsup/cygwin/fhandler_proc.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc
index 78518baf9..c94cde910 100644
--- a/winsup/cygwin/fhandler_proc.cc
+++ b/winsup/cygwin/fhandler_proc.cc
@@ -885,11 +885,10 @@ format_proc_cpuinfo (void *, char *&destbuf)
 
                  cpuid (&unused, &unused, &core_info, &unused, 0x80000008);
                  cpuid (&unused, &cus, &unused, &unused, 0x8000001e);
-                 siblings = (core_info & 0xff) + 1;
+                 siblings = cpu_cores = (core_info & 0xff) + 1;
                  logical_bits = (core_info >> 12) & 0xf;
                  cus = ((cus >> 8) & 0x3) + 1;
                  ht_bits = mask_bits (cus);
-                 cpu_cores = siblings >> ht_bits;
                }
              else if (maxe >= 0x80000008)
                {
-- 
2.21.0

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