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Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/builtins/lib/memmove.c')
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/builtins/lib/memmove.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/lib/memmove.c b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/memmove.c
new file mode 100644
index 000000000..08fcd0801
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/memmove.c
@@ -0,0 +1,32 @@
+extern void abort (void);
+extern int inside_main;
+
+__attribute__ ((__noinline__))
+void *
+memmove (void *dst, const void *src, __SIZE_TYPE__ n)
+{
+ char *dstp;
+ const char *srcp;
+
+#ifdef __OPTIMIZE__
+ if (inside_main)
+ abort ();
+#endif
+
+ srcp = src;
+ dstp = dst;
+ if (srcp < dstp)
+ while (n-- != 0)
+ dstp[n] = srcp[n];
+ else
+ while (n-- != 0)
+ *dstp++ = *srcp++;
+
+ return dst;
+}
+
+void
+bcopy (const void *src, void *dst, __SIZE_TYPE__ n)
+{
+ memmove (dst, src, n);
+}