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authorGravatar Jason Gross <jgross@mit.edu>2017-11-02 01:36:04 -0400
committerGravatar Jason Gross <jgross@mit.edu>2017-11-02 01:36:04 -0400
commit5b45aa93efa19d54e50299ff0df8ee46c60f891b (patch)
tree9cea98ab783f557b5cbca0456a4dc3b4498e43c5 /src/Specific/montgomery64_2e174m17/feadd.c
parente8bda9b779d5762c5868cd09c85142151655d5ca (diff)
Update display logs and c files
Diffstat (limited to 'src/Specific/montgomery64_2e174m17/feadd.c')
-rw-r--r--src/Specific/montgomery64_2e174m17/feadd.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/Specific/montgomery64_2e174m17/feadd.c b/src/Specific/montgomery64_2e174m17/feadd.c
new file mode 100644
index 000000000..f7638f962
--- /dev/null
+++ b/src/Specific/montgomery64_2e174m17/feadd.c
@@ -0,0 +1,34 @@
+#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 x6, uint64_t x7, uint64_t x5, uint64_t x10, uint64_t x11, uint64_t x9)
+{ uint64_t x13; uint8_t x14 = _addcarryx_u64(0x0, x5, x9, &x13);
+{ uint64_t x16; uint8_t x17 = _addcarryx_u64(x14, x7, x11, &x16);
+{ uint64_t x19; uint8_t x20 = _addcarryx_u64(x17, x6, x10, &x19);
+{ uint64_t x22; uint8_t x23 = _subborrow_u64(0x0, x13, 0xffffffffffffffefL, &x22);
+{ uint64_t x25; uint8_t x26 = _subborrow_u64(x23, x16, 0xffffffffffffffffL, &x25);
+{ uint64_t x28; uint8_t x29 = _subborrow_u64(x26, x19, 0x3fffffffffff, &x28);
+{ uint64_t _; uint8_t x32 = _subborrow_u64(x29, x20, 0x0, &_);
+{ uint64_t x33 = cmovznz(x32, x28, x19);
+{ uint64_t x34 = cmovznz(x32, x25, x16);
+{ uint64_t x35 = cmovznz(x32, x22, x13);
+out[0] = x33;
+out[1] = x34;
+out[2] = x35;
+}}}}}}}}}}
+// caller: uint64_t out[3];