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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.c-torture/execute/960416-1.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/960416-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/960416-1.c
new file mode 100644
index 000000000..f7cb05680
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/960416-1.c
@@ -0,0 +1,63 @@
+typedef unsigned long int st;
+typedef unsigned long long dt;
+typedef union
+{
+ dt d;
+ struct
+ {
+ st h, l;
+ }
+ s;
+} t_be;
+
+typedef union
+{
+ dt d;
+ struct
+ {
+ st l, h;
+ }
+ s;
+} t_le;
+
+#define df(f, t) \
+int \
+f (t afh, t bfh) \
+{ \
+ t hh; \
+ t hp, lp, dp, m; \
+ st ad, bd; \
+ int s; \
+ s = 0; \
+ ad = afh.s.h - afh.s.l; \
+ bd = bfh.s.l - bfh.s.h; \
+ if (bd > bfh.s.l) \
+ { \
+ bd = -bd; \
+ s = ~s; \
+ } \
+ lp.d = (dt) afh.s.l * bfh.s.l; \
+ hp.d = (dt) afh.s.h * bfh.s.h; \
+ dp.d = (dt) ad *bd; \
+ dp.d ^= s; \
+ hh.d = hp.d + hp.s.h + lp.s.h + dp.s.h; \
+ m.d = (dt) lp.s.h + hp.s.l + lp.s.l + dp.s.l; \
+ return hh.s.l + m.s.l; \
+}
+
+df(f_le, t_le)
+df(f_be, t_be)
+
+main ()
+{
+ t_be x;
+ x.s.h = 0x10000000U;
+ x.s.l = 0xe0000000U;
+ if (x.d == 0x10000000e0000000ULL
+ && f_be ((t_be) 0x100000000ULL, (t_be) 0x100000000ULL) != -1)
+ abort ();
+ if (x.d == 0xe000000010000000ULL
+ && f_le ((t_le) 0x100000000ULL, (t_le) 0x100000000ULL) != -1)
+ abort ();
+ exit (0);
+}