diff options
Diffstat (limited to 'src/Specific/montgomery64_2e251m9_4limbs/fesub.c')
-rw-r--r-- | src/Specific/montgomery64_2e251m9_4limbs/fesub.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/Specific/montgomery64_2e251m9_4limbs/fesub.c b/src/Specific/montgomery64_2e251m9_4limbs/fesub.c new file mode 100644 index 000000000..8391d0892 --- /dev/null +++ b/src/Specific/montgomery64_2e251m9_4limbs/fesub.c @@ -0,0 +1,28 @@ +static void fesub(uint64_t out[4], const uint64_t in1[4], const uint64_t in2[4]) { + { const uint64_t x8 = in1[3]; + { const uint64_t x9 = in1[2]; + { const uint64_t x7 = in1[1]; + { const uint64_t x5 = in1[0]; + { const uint64_t x14 = in2[3]; + { const uint64_t x15 = in2[2]; + { const uint64_t x13 = in2[1]; + { const uint64_t x11 = in2[0]; + { uint64_t x17; uint8_t x18 = _subborrow_u64(0x0, x5, x11, &x17); + { uint64_t x20; uint8_t x21 = _subborrow_u64(x18, x7, x13, &x20); + { uint64_t x23; uint8_t x24 = _subborrow_u64(x21, x9, x15, &x23); + { uint64_t x26; uint8_t x27 = _subborrow_u64(x24, x8, x14, &x26); + { uint64_t x28 = cmovznz64(x27, 0x0, 0xffffffffffffffffL); + { uint64_t x29 = (x28 & 0xfffffffffffffff7L); + { uint64_t x31; uint8_t x32 = _addcarryx_u64(0x0, x17, x29, &x31); + { uint64_t x33 = (x28 & 0xffffffffffffffffL); + { uint64_t x35; uint8_t x36 = _addcarryx_u64(x32, x20, x33, &x35); + { uint64_t x37 = (x28 & 0xffffffffffffffffL); + { uint64_t x39; uint8_t x40 = _addcarryx_u64(x36, x23, x37, &x39); + { uint64_t x41 = (x28 & 0x7ffffffffffffff); + { uint64_t x43; uint8_t _ = _addcarryx_u64(x40, x26, x41, &x43); + out[0] = x31; + out[1] = x35; + out[2] = x39; + out[3] = x43; + }}}}}}}}}}}}}}}}}}}}} +} |