Imported Upstream version 0.1

[pkg-cerco/acc-trusted.git] / cparser / uint64.c

diff --git a/cparser/uint64.c b/cparser/uint64.c
new file mode 100644 (file)
index 0000000..5396617
--- /dev/null
+++ b/cparser/uint64.c
@@ -0,0 +1,42 @@
+/* *********************************************************************/
+/*                                                                     */
+/*              The Compcert verified compiler                         */
+/*                                                                     */
+/*          Xavier Leroy, INRIA Paris-Rocquencourt                     */
+/*                                                                     */
+/*  Copyright Institut National de Recherche en Informatique et en     */
+/*  Automatique.  All rights reserved.  This file is distributed       */
+/*  under the terms of the GNU General Public License as published by  */
+/*  the Free Software Foundation, either version 2 of the License, or  */
+/*  (at your option) any later version.  This file is also distributed */
+/*  under the terms of the INRIA Non-Commercial License Agreement.     */
+/*                                                                     */
+/* *********************************************************************/
+
+#include <caml/mlvalues.h>
+#include <caml/alloc.h>
+
+value cparser_int64_unsigned_to_float(value v)
+{
+  return caml_copy_double((double)((uint64) Int64_val(v)));
+}
+
+value cparser_int64_unsigned_div(value v1, value v2)
+{
+  return caml_copy_int64((uint64) Int64_val(v1) / (uint64) Int64_val(v2));
+}
+
+value cparser_int64_unsigned_mod(value v1, value v2)
+{
+  return caml_copy_int64((uint64) Int64_val(v1) % (uint64) Int64_val(v2));
+}
+
+value cparser_int64_unsigned_compare(value v1, value v2)
+{
+  uint64 n1 = (uint64) Int64_val(v1);
+  uint64 n2 = (uint64) Int64_val(v2);
+  if (n1 < n2) return Val_int(-1);
+  if (n1 > n2) return Val_int(1);
+  return Val_int(0);
+}
+