[AArch64] fix an issue with older /proc/cpuinfo layout
There are two /proc/cpuinfo layots in use for AArch64: old and new.
The old one has all 'processor : n' lines in one section, hence
checking for duplications does not make sense.
Differential Revision: https://reviews.llvm.org/D41000
llvm-svn: 320593
diff --git a/openmp/runtime/src/kmp_affinity.cpp b/openmp/runtime/src/kmp_affinity.cpp
index d7a0eda..9cc504b 100644
--- a/openmp/runtime/src/kmp_affinity.cpp
+++ b/openmp/runtime/src/kmp_affinity.cpp
@@ -2028,7 +2028,15 @@
if ((p == NULL) || (KMP_SSCANF(p + 1, "%u\n", &val) != 1))
goto no_val;
if (threadInfo[num_avail][osIdIndex] != UINT_MAX)
+#if KMP_ARCH_AARCH64
+ // Handle the old AArch64 /proc/cpuinfo layout differently,
+ // it contains all of the 'processor' entries listed in a
+ // single 'Processor' section, therefore the normal looking
+ // for duplicates in that section will always fail.
+ num_avail++;
+#else
goto dup_field;
+#endif
threadInfo[num_avail][osIdIndex] = val;
#if KMP_OS_LINUX && !(KMP_ARCH_X86 || KMP_ARCH_X86_64)
char path[256];