1 files changed, 38 insertions, 0 deletions
diff --git a/src/Specific/montgomery64_2e212m29/feadd.c b/src/Specific/montgomery64_2e212m29/feadd.c
new file mode 100644
index 000000000..65a6b69be
--- /dev/null
+++ b/src/Specific/montgomery64_2e212m29/feadd.c
@@ -0,0 +1,38 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include <x86intrin.h>
+#include "liblow.h"
+
+#include "feadd.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 feadd(uint64_t* out, uint64_t x8, uint64_t x9, uint64_t x7, uint64_t x5, uint64_t x14, uint64_t x15, uint64_t x13, uint64_t x11)
+{  uint64_t x17; uint8_t x18 = _addcarryx_u64(0x0, x5, x11, &x17);
+{  uint64_t x20; uint8_t x21 = _addcarryx_u64(x18, x7, x13, &x20);
+{  uint64_t x23; uint8_t x24 = _addcarryx_u64(x21, x9, x15, &x23);
+{  uint64_t x26; uint8_t x27 = _addcarryx_u64(x24, x8, x14, &x26);
+{  uint64_t x29; uint8_t x30 = _subborrow_u64(0x0, x17, 0xffffffffffffffe3L, &x29);
+{  uint64_t x32; uint8_t x33 = _subborrow_u64(x30, x20, 0xffffffffffffffffL, &x32);
+{  uint64_t x35; uint8_t x36 = _subborrow_u64(x33, x23, 0xffffffffffffffffL, &x35);
+{  uint64_t x38; uint8_t x39 = _subborrow_u64(x36, x26, 0xfffff, &x38);
+{  uint64_t _; uint8_t x42 = _subborrow_u64(x39, x27, 0x0, &_);
+{  uint64_t x43 = cmovznz(x42, x38, x26);
+{  uint64_t x44 = cmovznz(x42, x35, x23);
+{  uint64_t x45 = cmovznz(x42, x32, x20);
+{  uint64_t x46 = cmovznz(x42, x29, x17);
+out[0] = x43;
+out[1] = x44;
+out[2] = x45;
+out[3] = x46;
+}}}}}}}}}}}}}
+// caller: uint64_t out[4];