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-rw-r--r--test/Unit/fixunssfti_test.c120
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diff --git a/test/Unit/fixunssfti_test.c b/test/Unit/fixunssfti_test.c
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+++ b/test/Unit/fixunssfti_test.c
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+//===-- fixunssfti_test.c - Test __fixunssfti -----------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __fixunssfti for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#if __x86_64
+
+#include "int_lib.h"
+#include <stdio.h>
+
+// Returns: convert a to a unsigned long long, rounding toward zero.
+// Negative values all become zero.
+
+// Assumption: float is a IEEE 32 bit floating point type
+// tu_int is a 64 bit integral type
+// value in float is representable in tu_int or is negative
+// (no range checking performed)
+
+// seee eeee emmm mmmm mmmm mmmm mmmm mmmm
+
+tu_int __fixunssfti(float a);
+
+int test__fixunssfti(float a, tu_int expected)
+{
+ tu_int x = __fixunssfti(a);
+ if (x != expected)
+ {
+ utwords xt;
+ xt.all = x;
+ utwords expectedt;
+ expectedt.all = expected;
+ printf("error in __fixunssfti(%A) = 0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n",
+ a, xt.high, xt.low, expectedt.high, expectedt.low);
+ }
+ return x != expected;
+}
+
+char assumption_1[sizeof(tu_int) == 2*sizeof(di_int)] = {0};
+char assumption_2[sizeof(su_int)*CHAR_BIT == 32] = {0};
+char assumption_3[sizeof(float)*CHAR_BIT == 32] = {0};
+
+#endif
+
+int main()
+{
+#if __x86_64
+ if (test__fixunssfti(0.0F, 0))
+ return 1;
+
+ if (test__fixunssfti(0.5F, 0))
+ return 1;
+ if (test__fixunssfti(0.99F, 0))
+ return 1;
+ if (test__fixunssfti(1.0F, 1))
+ return 1;
+ if (test__fixunssfti(1.5F, 1))
+ return 1;
+ if (test__fixunssfti(1.99F, 1))
+ return 1;
+ if (test__fixunssfti(2.0F, 2))
+ return 1;
+ if (test__fixunssfti(2.01F, 2))
+ return 1;
+ if (test__fixunssfti(-0.5F, 0))
+ return 1;
+ if (test__fixunssfti(-0.99F, 0))
+ return 1;
+#if !TARGET_LIBGCC
+ if (test__fixunssfti(-1.0F, 0)) // libgcc ignores "returns 0 for negative input" spec
+ return 1;
+ if (test__fixunssfti(-1.5F, 0))
+ return 1;
+ if (test__fixunssfti(-1.99F, 0))
+ return 1;
+ if (test__fixunssfti(-2.0F, 0))
+ return 1;
+ if (test__fixunssfti(-2.01F, 0))
+ return 1;
+#endif
+
+ if (test__fixunssfti(0x1.FFFFFEp+63F, 0xFFFFFF0000000000LL))
+ return 1;
+ if (test__fixunssfti(0x1.000000p+63F, 0x8000000000000000LL))
+ return 1;
+ if (test__fixunssfti(0x1.FFFFFEp+62F, 0x7FFFFF8000000000LL))
+ return 1;
+ if (test__fixunssfti(0x1.FFFFFCp+62F, 0x7FFFFF0000000000LL))
+ return 1;
+
+ if (test__fixunssfti(0x1.FFFFFEp+127F, make_ti(0xFFFFFF0000000000LL, 0)))
+ return 1;
+ if (test__fixunssfti(0x1.000000p+127F, make_ti(0x8000000000000000LL, 0)))
+ return 1;
+ if (test__fixunssfti(0x1.FFFFFEp+126F, make_ti(0x7FFFFF8000000000LL, 0)))
+ return 1;
+ if (test__fixunssfti(0x1.FFFFFCp+126F, make_ti(0x7FFFFF0000000000LL, 0)))
+ return 1;
+
+#if !TARGET_LIBGCC
+ if (test__fixunssfti(-0x1.FFFFFEp+62F, 0x0000000000000000LL))
+ return 1;
+ if (test__fixunssfti(-0x1.FFFFFCp+62F, 0x0000000000000000LL))
+ return 1;
+ if (test__fixunssfti(-0x1.FFFFFEp+126F, 0x0000000000000000LL))
+ return 1;
+ if (test__fixunssfti(-0x1.FFFFFCp+126F, 0x0000000000000000LL))
+ return 1;
+#endif
+
+#endif
+ return 0;
+}