1 files changed, 30 insertions, 0 deletions
diff --git a/src/Specific/montgomery64_2e521m1/fenz.c b/src/Specific/montgomery64_2e521m1/fenz.c
new file mode 100644
index 000000000..d49e22dda
--- /dev/null
+++ b/src/Specific/montgomery64_2e521m1/fenz.c
@@ -0,0 +1,30 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include <x86intrin.h>
+#include "liblow.h"
+
+#include "fenz.h"
+
+typedef unsigned int uint128_t __attribute__((mode(TI)));
+
+#if (defined(__GNUC__) || defined(__GNUG__)) && !(defined(__clang__)||defined(__INTEL_COMPILER))
+// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81294
+#define _subborrow_u32 __builtin_ia32_sbb_u32
+#define _subborrow_u64 __builtin_ia32_sbb_u64
+#endif
+
+#undef force_inline
+#define force_inline __attribute__((always_inline))
+
+void force_inline fenz(uint64_t* out, uint64_t x15, uint64_t x16, uint64_t x14, uint64_t x12, uint64_t x10, uint64_t x8, uint64_t x6, uint64_t x4, uint64_t x2)
+{  uint64_t x17 = (x16 | x15);
+{  uint64_t x18 = (x14 | x17);
+{  uint64_t x19 = (x12 | x18);
+{  uint64_t x20 = (x10 | x19);
+{  uint64_t x21 = (x8 | x20);
+{  uint64_t x22 = (x6 | x21);
+{  uint64_t x23 = (x4 | x22);
+{  uint64_t x24 = (x2 | x23);
+out[0] = x24;
+}}}}}}}}
+// caller: uint64_t out[1];