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authorYamaArashi <shadow962@live.com>2016-01-06 01:47:28 -0800
committerYamaArashi <shadow962@live.com>2016-01-06 01:47:28 -0800
commitbe8b04496302184c6e8f04d6179f9c3afc50aeb6 (patch)
tree726e2468c0c07add773c0dbd86ab6386844259ae /gcc/testsuite/gcc.c-torture/execute/memcpy-bi.c
initial commit
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/memcpy-bi.c')
-rwxr-xr-xgcc/testsuite/gcc.c-torture/execute/memcpy-bi.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/memcpy-bi.c b/gcc/testsuite/gcc.c-torture/execute/memcpy-bi.c
new file mode 100755
index 0000000..c6d6e03
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/memcpy-bi.c
@@ -0,0 +1,52 @@
+/* Test builtin-memcpy (which may emit different code for different N). */
+
+#define TESTSIZE 80
+
+char src[TESTSIZE] __attribute__ ((aligned));
+char dst[TESTSIZE] __attribute__ ((aligned));
+
+void
+check (char *test, char *match, int n)
+{
+ if (memcmp (test, match, n))
+ abort ();
+}
+
+#define TN(n) \
+{ memset (dst, 0, n); memcpy (dst, src, n); check (dst, src, n); }
+#define T(n) \
+TN (n) \
+TN ((n) + 1) \
+TN ((n) + 2) \
+TN ((n) + 3)
+
+main ()
+{
+ int i,j;
+
+ for (i = 0; i < sizeof (src); ++i)
+ src[i] = 'a' + i % 26;
+
+ T (0);
+ T (4);
+ T (8);
+ T (12);
+ T (16);
+ T (20);
+ T (24);
+ T (28);
+ T (32);
+ T (36);
+ T (40);
+ T (44);
+ T (48);
+ T (52);
+ T (56);
+ T (60);
+ T (64);
+ T (68);
+ T (72);
+ T (76);
+
+ return 0;
+}