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Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/builtins/memops-asm.c')
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/builtins/memops-asm.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/memops-asm.c b/gcc/testsuite/gcc.c-torture/execute/builtins/memops-asm.c
new file mode 100644
index 000000000..ed2b06cf0
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/memops-asm.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 2003 Free Software Foundation.
+
+ Test memcpy and memset in presence of redirect. */
+
+#define ASMNAME(cname) ASMNAME2 (__USER_LABEL_PREFIX__, cname)
+#define ASMNAME2(prefix, cname) STRING (prefix) cname
+#define STRING(x) #x
+
+typedef __SIZE_TYPE__ size_t;
+extern void abort (void);
+extern void *memcpy (void *, const void *, size_t)
+ __asm (ASMNAME ("my_memcpy"));
+extern void bcopy (const void *, void *, size_t)
+ __asm (ASMNAME ("my_bcopy"));
+extern void *memset (void *, int, size_t)
+ __asm (ASMNAME ("my_memset"));
+extern void bzero (void *, size_t)
+ __asm (ASMNAME ("my_bzero"));
+extern int memcmp (const void *, const void *, size_t);
+
+struct A { char c[32]; } a = { "foobar" };
+char x[64] = "foobar", y[64];
+int i = 39, j = 6, k = 4;
+
+extern int inside_main;
+
+void
+main_test (void)
+{
+ struct A b = a;
+ struct A c = { { 'x' } };
+
+ inside_main = 1;
+
+ if (memcmp (b.c, x, 32) || c.c[0] != 'x' || memcmp (c.c + 1, x + 32, 31))
+ abort ();
+ if (__builtin_memcpy (y, x, i) != y || memcmp (x, y, 64))
+ abort ();
+ if (memcpy (y + 6, x, j) != y + 6
+ || memcmp (x, y, 6) || memcmp (x, y + 6, 58))
+ abort ();
+ if (__builtin_memset (y + 2, 'X', k) != y + 2
+ || memcmp (y, "foXXXXfoobar", 13))
+ abort ();
+ bcopy (y + 1, y + 2, 6);
+ if (memcmp (y, "fooXXXXfobar", 13))
+ abort ();
+ __builtin_bzero (y + 4, 2);
+ if (memcmp (y, "fooX\0\0Xfobar", 13))
+ abort ();
+}