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authorBen Cheng <bccheng@google.com>2014-03-26 05:37:19 (GMT)
committerBen Cheng <bccheng@google.com>2014-03-26 05:37:19 (GMT)
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.target/spu/subti3.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/spu/subti3.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/spu/subti3.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/spu/subti3.c b/gcc-4.9/gcc/testsuite/gcc.target/spu/subti3.c
new file mode 100644
index 0000000..4112c95
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/spu/subti3.c
@@ -0,0 +1,45 @@
+/* { dg-do run } */
+/* { dg-options "-std=c99" } */
+#include <stdlib.h>
+typedef int TItype __attribute__ ((mode (TI)));
+typedef int DItype __attribute__ ((mode (DI)));
+typedef unsigned int UDItype __attribute__ ((mode (DI)));
+
+struct DIstruct {DItype high, low;};
+typedef union
+{
+ struct DIstruct s;
+ TItype t;
+} TIunion;
+
+static
+void sub_ddmmss (UDItype *sh, UDItype *sl, UDItype ah, UDItype al, UDItype bh, UDItype bl)
+{
+ UDItype x;
+ x = al - bl;
+ *sh = ah - bh - (x > al);
+ *sl = x;
+}
+
+int main(void)
+{
+ TIunion aa, bb, cc;
+ TItype m = 0x1111111111111110ULL;
+ TItype n = 0x1111111111111111ULL;
+ TItype d;
+
+ aa.s.high = m;
+ aa.s.low = m;
+ bb.s.high = n;
+ bb.s.low = n;
+
+
+ sub_ddmmss (&cc.s.high, &cc.s.low, aa.s.high, aa.s.low, bb.s.high, bb.s.low);
+ d = aa.t - bb.t;
+ if (d != cc.t)
+ abort();
+ cc.t = aa.t -d;
+ if (cc.t != bb.t)
+ abort();
+ return 0;
+}