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Diffstat (limited to 'src/Specific/montgomery64_2e196m15/femul.c')
-rw-r--r--src/Specific/montgomery64_2e196m15/femul.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/Specific/montgomery64_2e196m15/femul.c b/src/Specific/montgomery64_2e196m15/femul.c
new file mode 100644
index 000000000..61ba1a7e2
--- /dev/null
+++ b/src/Specific/montgomery64_2e196m15/femul.c
@@ -0,0 +1,36 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include <x86intrin.h>
+#include "liblow.h"
+
+#include "femul.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 femul(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 x18; uint64_t x17 = _mulx_u64(x5, x11, &x18);
+{ uint64_t x21; uint64_t x20 = _mulx_u64(x5, x13, &x21);
+{ uint64_t x24; uint64_t x23 = _mulx_u64(x5, x15, &x24);
+{ uint64_t x27; uint64_t x26 = _mulx_u64(x5, x14, &x27);
+{ uint64_t x29; uint8_t x30 = _addcarryx_u64(0x0, x18, x20, &x29);
+{ uint64_t x32; uint8_t x33 = _addcarryx_u64(x30, x21, x23, &x32);
+{ uint64_t x35; uint8_t x36 = _addcarryx_u64(x33, x24, x26, &x35);
+{ uint64_t x38; uint8_t _ = _addcarryx_u64(0x0, x36, x27, &x38);
+{ uint64_t _; uint64_t x41 = _mulx_u64(x17, 0xeeeeeeeeeeeeeeefL, &_);
+{ uint64_t x45; uint64_t x44 = _mulx_u64(x41, 0xfffffffffffffff1L, &x45);
+{ uint64_t x48; uint64_t x47 = _mulx_u64(x41, 0xffffffffffffffffL, &x48);
+{ uint64_t x51; uint64_t x50 = _mulx_u64(x41, 0xffffffffffffffffL, &x51);
+out[0] = uint64_t x53;
+out[1] = uint8_t x54 = Op Syntax.MulSplit 64 Syntax.TWord 6 Syntax.TWord 3 Syntax.TWord 6 Syntax.TWord 3 x41;
+out[2] = 0xf;;
+}}}}}}}}}}}}
+// caller: uint64_t out[3];