1 files changed, 70 insertions, 0 deletions
diff --git a/test/builtins/Unit/arm/aeabi_cdcmpeq_test.c b/test/builtins/Unit/arm/aeabi_cdcmpeq_test.c
new file mode 100644
index 000000000000..ce8b0a4313fb
--- /dev/null
+++ b/test/builtins/Unit/arm/aeabi_cdcmpeq_test.c
@@ -0,0 +1,70 @@
+//===-- aeabi_cdcmpeq.c - Test __aeabi_cdcmpeq ----------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __aeabi_cdcmpeq for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+#if __arm__
+#include "call_apsr.h"
+
+extern __attribute__((pcs("aapcs"))) void __aeabi_cdcmpeq(double a, double b);
+
+int test__aeabi_cdcmpeq(double a, double b, int expected)
+{
+    uint32_t cpsr_value = call_apsr_d(a, b, __aeabi_cdcmpeq);
+    union cpsr cpsr = { .value = cpsr_value };
+    if (expected != cpsr.flags.z) {
+        printf("error in __aeabi_cdcmpeq(%f, %f) => Z = %d, expected %d\n",
+               a, b, cpsr.flags.z, expected);
+        return 1;
+    }
+    return 0;
+}
+#endif
+
+int main()
+{
+#if __arm__
+    if (test__aeabi_cdcmpeq(1.0, 1.0, 1))
+        return 1;
+    if (test__aeabi_cdcmpeq(1234.567, 765.4321, 0))
+        return 1;
+    if (test__aeabi_cdcmpeq(-123.0, -678.0, 0))
+        return 1;
+    if (test__aeabi_cdcmpeq(0.0, -0.0, 1))
+        return 1;
+    if (test__aeabi_cdcmpeq(1.0, NAN, 0))
+        return 1;
+    if (test__aeabi_cdcmpeq(NAN, 1.0, 0))
+        return 1;
+    if (test__aeabi_cdcmpeq(NAN, NAN, 0))
+        return 1;
+    if (test__aeabi_cdcmpeq(INFINITY, 1.0, 0))
+        return 1;
+    if (test__aeabi_cdcmpeq(0.0, INFINITY, 0))
+        return 1;
+    if (test__aeabi_cdcmpeq(-INFINITY, 0.0, 0))
+        return 1;
+    if (test__aeabi_cdcmpeq(0.0, -INFINITY, 0))
+        return 1;
+    if (test__aeabi_cdcmpeq(INFINITY, INFINITY, 1))
+        return 1;
+    if (test__aeabi_cdcmpeq(-INFINITY, -INFINITY, 1))
+        return 1;
+#else
+    printf("skipped\n");
+#endif
+    return 0;
+}