76 lines
1.4 KiB
Diff
76 lines
1.4 KiB
Diff
2015-05-05 Jakub Jelinek <jakub@redhat.com>
|
|
|
|
PR target/65956
|
|
* gcc.c-torture/execute/pr65956.c: New test.
|
|
|
|
--- gcc/testsuite/gcc.c-torture/execute/pr65956.c.jj 2015-05-01 10:32:34.730150257 +0200
|
|
+++ gcc/testsuite/gcc.c-torture/execute/pr65956.c 2015-05-01 10:32:13.000000000 +0200
|
|
@@ -0,0 +1,67 @@
|
|
+/* PR target/65956 */
|
|
+
|
|
+struct A { char *a; int b; long long c; };
|
|
+char v[3];
|
|
+
|
|
+__attribute__((noinline, noclone)) void
|
|
+fn1 (char *x, char *y)
|
|
+{
|
|
+ if (x != &v[1] || y != &v[2])
|
|
+ __builtin_abort ();
|
|
+ v[1]++;
|
|
+}
|
|
+
|
|
+__attribute__((noinline, noclone)) int
|
|
+fn2 (char *x)
|
|
+{
|
|
+ asm volatile ("" : "+g" (x) : : "memory");
|
|
+ return x == &v[0];
|
|
+}
|
|
+
|
|
+__attribute__((noinline, noclone)) void
|
|
+fn3 (const char *x)
|
|
+{
|
|
+ if (x[0] != 0)
|
|
+ __builtin_abort ();
|
|
+}
|
|
+
|
|
+static struct A
|
|
+foo (const char *x, struct A y, struct A z)
|
|
+{
|
|
+ struct A r = { 0, 0, 0 };
|
|
+ if (y.b && z.b)
|
|
+ {
|
|
+ if (fn2 (y.a) && fn2 (z.a))
|
|
+ switch (x[0])
|
|
+ {
|
|
+ case '|':
|
|
+ break;
|
|
+ default:
|
|
+ fn3 (x);
|
|
+ }
|
|
+ fn1 (y.a, z.a);
|
|
+ }
|
|
+ return r;
|
|
+}
|
|
+
|
|
+__attribute__((noinline, noclone)) int
|
|
+bar (int x, struct A *y)
|
|
+{
|
|
+ switch (x)
|
|
+ {
|
|
+ case 219:
|
|
+ foo ("+", y[-2], y[0]);
|
|
+ case 220:
|
|
+ foo ("-", y[-2], y[0]);
|
|
+ }
|
|
+}
|
|
+
|
|
+int
|
|
+main ()
|
|
+{
|
|
+ struct A a[3] = { { &v[1], 1, 1LL }, { &v[0], 0, 0LL }, { &v[2], 2, 2LL } };
|
|
+ bar (220, a + 2);
|
|
+ if (v[1] != 1)
|
|
+ __builtin_abort ();
|
|
+ return 0;
|
|
+}
|