1 files changed, 119 insertions, 0 deletions
diff --git a/test/Unit/fixunstfdi_test.c b/test/Unit/fixunstfdi_test.c
new file mode 100644
index 000000000..d96b0ea29
--- /dev/null
+++ b/test/Unit/fixunstfdi_test.c
@@ -0,0 +1,119 @@
+//===-- fixunstfdi_test.c - Test __fixunstfdi -----------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __fixunstfdi for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#if _ARCH_PPC
+
+#include "int_lib.h"
+#include <stdio.h>
+
+// Returns: convert a to a unsigned long long, rounding toward zero.
+//          Negative values all become zero.
+
+// Assumption: long double is a ppc 128 bit floating point type
+//             du_int is a 64 bit integral type
+//             value in long double is representable in du_int or is negative 
+//                 (no range checking performed)
+
+du_int __fixunstfdi(long double a);
+
+int test__fixunstfdi(long double a, du_int expected)
+{
+    du_int x = __fixunstfdi(a);
+    if (x != expected)
+        printf("error in __fixunstfdi(%LA) = %llX, expected %llX\n",
+               a, x, expected);
+    return x != expected;
+}
+
+char assumption_1[sizeof(du_int) == 2*sizeof(su_int)] = {0};
+char assumption_2[sizeof(du_int)*CHAR_BIT == 64] = {0};
+char assumption_3[sizeof(long double)*CHAR_BIT == 128] = {0};
+
+#endif
+
+int main()
+{
+#if _ARCH_PPC
+    if (test__fixunstfdi(0.0, 0))
+        return 1;
+
+    if (test__fixunstfdi(0.5, 0))
+        return 1;
+    if (test__fixunstfdi(0.99, 0))
+        return 1;
+    if (test__fixunstfdi(1.0, 1))
+        return 1;
+    if (test__fixunstfdi(1.5, 1))
+        return 1;
+    if (test__fixunstfdi(1.99, 1))
+        return 1;
+    if (test__fixunstfdi(2.0, 2))
+        return 1;
+    if (test__fixunstfdi(2.01, 2))
+        return 1;
+    if (test__fixunstfdi(-0.5, 0))
+        return 1;
+    if (test__fixunstfdi(-0.99, 0))
+        return 1;
+    if (test__fixunstfdi(-1.0, 0))
+        return 1;
+    if (test__fixunstfdi(-1.5, 0))
+        return 1;
+    if (test__fixunstfdi(-1.99, 0))
+        return 1;
+    if (test__fixunstfdi(-2.0, 0))
+        return 1;
+    if (test__fixunstfdi(-2.01, 0))
+        return 1;
+
+    if (test__fixunstfdi(0x1.FFFFFEp+62, 0x7FFFFF8000000000LL))
+        return 1;
+    if (test__fixunstfdi(0x1.FFFFFCp+62, 0x7FFFFF0000000000LL))
+        return 1;
+
+    if (test__fixunstfdi(-0x1.FFFFFEp+62, 0))
+        return 1;
+    if (test__fixunstfdi(-0x1.FFFFFCp+62, 0))
+        return 1;
+
+    if (test__fixunstfdi(0x1.FFFFFFFFFFFFFp+62, 0x7FFFFFFFFFFFFC00LL))
+        return 1;
+    if (test__fixunstfdi(0x1.FFFFFFFFFFFFEp+62, 0x7FFFFFFFFFFFF800LL))
+        return 1;
+
+    if (test__fixunstfdi(-0x1.FFFFFFFFFFFFFp+62, 0))
+        return 1;
+    if (test__fixunstfdi(-0x1.FFFFFFFFFFFFEp+62, 0))
+        return 1;
+
+    if (test__fixunstfdi(0x1.FFFFFFFFFFFFFFFEp+63L, 0xFFFFFFFFFFFFFFFFLL))
+        return 1;
+    if (test__fixunstfdi(0x1.0000000000000002p+63L, 0x8000000000000001LL))
+        return 1;
+    if (test__fixunstfdi(0x1.0000000000000000p+63L, 0x8000000000000000LL))
+        return 1;
+    if (test__fixunstfdi(0x1.FFFFFFFFFFFFFFFCp+62L, 0x7FFFFFFFFFFFFFFFLL))
+        return 1;
+    if (test__fixunstfdi(0x1.FFFFFFFFFFFFFFF8p+62L, 0x7FFFFFFFFFFFFFFELL))
+        return 1;
+
+    if (test__fixunstfdi(-0x1.0000000000000000p+63L, 0))
+        return 1;
+    if (test__fixunstfdi(-0x1.FFFFFFFFFFFFFFFCp+62L, 0))
+        return 1;
+    if (test__fixunstfdi(-0x1.FFFFFFFFFFFFFFF8p+62L, 0))
+        return 1;
+
+#endif
+   return 0;
+}