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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041011-1.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041011-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041011-1.c
new file mode 100644
index 000000000..4524de943
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20041011-1.c
@@ -0,0 +1,60 @@
+typedef unsigned long long ull;
+volatile int gvol[32];
+ull gull;
+
+#define MULTI(X) \
+ X( 1), X( 2), X( 3), X( 4), X( 5), X( 6), X( 7), X( 8), X( 9), X(10), \
+ X(11), X(12), X(13), X(14), X(15), X(16), X(17), X(18), X(19), X(20), \
+ X(21), X(22), X(23), X(24), X(25), X(26), X(27), X(28), X(29), X(30)
+
+#define DECLARE(INDEX) x##INDEX
+#define COPYIN(INDEX) x##INDEX = gvol[INDEX]
+#define COPYOUT(INDEX) gvol[INDEX] = x##INDEX
+
+#define BUILD_TEST(NAME, N) \
+ ull __attribute__((noinline)) \
+ NAME (int n, ull x) \
+ { \
+ while (n--) \
+ { \
+ int MULTI (DECLARE); \
+ MULTI (COPYIN); \
+ MULTI (COPYOUT); \
+ x += N; \
+ } \
+ return x; \
+ }
+
+#define RUN_TEST(NAME, N) \
+ if (NAME (3, ~0ULL) != N * 3 - 1) \
+ abort (); \
+ if (NAME (3, 0xffffffffULL) \
+ != N * 3 + 0xffffffffULL) \
+ abort ();
+
+#define DO_TESTS(DO_TEST) \
+ DO_TEST (t1, -2048) \
+ DO_TEST (t2, -513) \
+ DO_TEST (t3, -512) \
+ DO_TEST (t4, -511) \
+ DO_TEST (t5, -1) \
+ DO_TEST (t6, 1) \
+ DO_TEST (t7, 511) \
+ DO_TEST (t8, 512) \
+ DO_TEST (t9, 513) \
+ DO_TEST (t10, gull) \
+ DO_TEST (t11, -gull)
+
+DO_TESTS (BUILD_TEST)
+
+ull neg (ull x) { return -x; }
+
+int
+main ()
+{
+ gull = 100;
+ DO_TESTS (RUN_TEST)
+ if (neg (gull) != -100ULL)
+ abort ();
+ exit (0);
+}