aboutsummaryrefslogtreecommitdiff
path: root/SingleSource/Regression/C/gcc-c-torture/execute/pr52760.c
diff options
context:
space:
mode:
Diffstat (limited to 'SingleSource/Regression/C/gcc-c-torture/execute/pr52760.c')
-rw-r--r--SingleSource/Regression/C/gcc-c-torture/execute/pr52760.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/SingleSource/Regression/C/gcc-c-torture/execute/pr52760.c b/SingleSource/Regression/C/gcc-c-torture/execute/pr52760.c
new file mode 100644
index 00000000..1413c5f2
--- /dev/null
+++ b/SingleSource/Regression/C/gcc-c-torture/execute/pr52760.c
@@ -0,0 +1,27 @@
+/* PR tree-optimization/52760 */
+
+struct T { unsigned short a, b, c, d; };
+
+__attribute__((noinline, noclone)) void
+foo (int x, struct T *y)
+{
+ int i;
+
+ for (i = 0; i < x; i++)
+ {
+ y[i].a = ((0x00ff & y[i].a >> 8) | (0xff00 & y[i].a << 8));
+ y[i].b = ((0x00ff & y[i].b >> 8) | (0xff00 & y[i].b << 8));
+ y[i].c = ((0x00ff & y[i].c >> 8) | (0xff00 & y[i].c << 8));
+ y[i].d = ((0x00ff & y[i].d >> 8) | (0xff00 & y[i].d << 8));
+ }
+}
+
+int
+main ()
+{
+ struct T t = { 0x0001, 0x0203, 0x0405, 0x0607 };
+ foo (1, &t);
+ if (t.a != 0x0100 || t.b != 0x0302 || t.c != 0x0504 || t.d != 0x0706)
+ __builtin_abort ();
+ return 0;
+}