1 files changed, 34 insertions, 0 deletions
diff --git a/src/Specific/montgomery64_2e129m25/feopp.c b/src/Specific/montgomery64_2e129m25/feopp.c
new file mode 100644
index 000000000..3d73f8511
--- /dev/null
+++ b/src/Specific/montgomery64_2e129m25/feopp.c
@@ -0,0 +1,34 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include <x86intrin.h>
+#include "liblow.h"
+
+#include "feopp.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 feopp(uint64_t* out, uint64_t x3, uint64_t x4, uint64_t x2)
+{  uint64_t x6; uint8_t x7 = _subborrow_u64(0x0, 0x0, x2, &x6);
+{  uint64_t x9; uint8_t x10 = _subborrow_u64(x7, 0x0, x4, &x9);
+{  uint64_t x12; uint8_t x13 = _subborrow_u64(x10, 0x0, x3, &x12);
+{  uint64_t x14 = (uint64_t)cmovznz(x13, 0x0, 0xffffffffffffffffL);
+{  uint64_t x15 = (x14 & 0xffffffffffffffe7L);
+{  uint64_t x17; uint8_t x18 = _addcarryx_u64(0x0, x6, x15, &x17);
+{  uint64_t x19 = (x14 & 0xffffffffffffffffL);
+{  uint64_t x21; uint8_t x22 = _addcarryx_u64(x18, x9, x19, &x21);
+{  uint8_t x23 = ((uint8_t)x14 & 0x1);
+{  uint64_t x25; uint8_t _ = _addcarryx_u64(x22, x12, x23, &x25);
+out[0] = x25;
+out[1] = x21;
+out[2] = x17;
+}}}}}}}}}}
+// caller: uint64_t out[3];