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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/array-init-2.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.dg/array-init-2.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/array-init-2.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/array-init-2.c b/gcc-4.9/gcc/testsuite/gcc.dg/array-init-2.c
new file mode 100644
index 000000000..9c425818f
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/array-init-2.c
@@ -0,0 +1,51 @@
+/* Test array initializion by store_by_pieces. */
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+
+struct A { char c[10]; };
+extern void abort (void);
+
+void
+__attribute__((noinline))
+check (struct A * a, int b)
+{
+ const char *p;
+ switch (b)
+ {
+ case 0:
+ p = "abcdefghi";
+ break;
+ case 1:
+ p = "j\0\0\0\0\0\0\0\0";
+ break;
+ case 2:
+ p = "kl\0\0\0\0\0\0\0";
+ break;
+ case 3:
+ p = "mnop\0\0\0\0\0";
+ break;
+ case 4:
+ p = "qrstuvwx\0";
+ break;
+ default:
+ abort ();
+ }
+ if (__builtin_memcmp (a->c, p, 10) != 0)
+ abort ();
+}
+
+int
+main (void)
+{
+ struct A a = { "abcdefghi" };
+ check (&a, 0);
+ struct A b = { "j" };
+ check (&b, 1);
+ struct A c = { "kl" };
+ check (&c, 2);
+ struct A d = { "mnop" };
+ check (&d, 3);
+ struct A e = { "qrstuvwx" };
+ check (&e, 4);
+ return 0;
+}