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Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/loop-2e.c')
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/loop-2e.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/loop-2e.c b/gcc/testsuite/gcc.c-torture/execute/loop-2e.c
new file mode 100644
index 000000000..71c7a4d1d
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/loop-2e.c
@@ -0,0 +1,39 @@
+void f (int *p, int **q)
+{
+ int i;
+ for (i = 0; i < 40; i++)
+ {
+ *q++ = &p[i];
+ }
+}
+
+int main ()
+{
+ void *p;
+ int *q[40];
+ __SIZE_TYPE__ start;
+
+ /* Find the signed middle of the address space. */
+ if (sizeof(start) == sizeof(int))
+ start = (__SIZE_TYPE__) __INT_MAX__;
+ else if (sizeof(start) == sizeof(long))
+ start = (__SIZE_TYPE__) __LONG_MAX__;
+ else if (sizeof(start) == sizeof(long long))
+ start = (__SIZE_TYPE__) __LONG_LONG_MAX__;
+ else
+ return 0;
+
+ /* Arbitrarily align the pointer. */
+ start &= -32;
+
+ /* Pretend that's good enough to start address arithmetic. */
+ p = (void *)start;
+
+ /* Verify that GIV replacement computes the correct results. */
+ q[39] = 0;
+ f (p, q);
+ if (q[39] != (int *)p + 39)
+ abort ();
+
+ return 0;
+}