diff --git a/compiler-rt/lib/builtins/cpu_model.c b/compiler-rt/lib/builtins/cpu_model.c
--- a/compiler-rt/lib/builtins/cpu_model.c
+++ b/compiler-rt/lib/builtins/cpu_model.c
@@ -798,6 +798,10 @@
 #ifndef HWCAP_ATOMICS
 #define HWCAP_ATOMICS (1 << 8)
 #endif
+#if defined(__ANDROID__)
+#include <string.h>
+#include <sys/system_properties.h>
+#endif
 static void CONSTRUCTOR_ATTRIBUTE init_have_lse_atomics(void) {
 #if defined(__FreeBSD__)
   unsigned long hwcap;
@@ -805,8 +809,20 @@
   __aarch64_have_lse_atomics = result == 0 && (hwcap & HWCAP_ATOMICS) != 0;
 #else
   unsigned long hwcap = getauxval(AT_HWCAP);
-  __aarch64_have_lse_atomics = (hwcap & HWCAP_ATOMICS) != 0;
-#endif
+  _Bool result = (hwcap & HWCAP_ATOMICS) != 0;
+#if defined(__ANDROID__)
+  if (result) {
+    char arch[PROP_VALUE_MAX];
+    if (__system_property_get("ro.arch", arch) > 0 &&
+        strncmp(arch, "exynos9810", sizeof("exynos9810") - 1) == 0) {
+      // Some cores of Exynos 9810 are ARMv8.2 and others are ARMv8.0,
+      // so disable the lse atomics completely.
+      result = false;
+    }
+  }
+#endif // defined(__ANDROID__)
+  __aarch64_have_lse_atomics = result;
+#endif // defined(__FreeBSD__)
 }
 #endif // defined(__has_include)
 #endif // __has_include(<sys/auxv.h>)