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pirate-librustzcash
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Simplify doubling code during squaring routine.

master
Sean Bowe 7 years ago
parent
647f83b53b
commit
bafb273a6c
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2 changed files with 20 additions and 60 deletions
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  1. 50
      src/bls12_381/fq.rs
  2. 30
      src/bls12_381/fr.rs

50
src/bls12_381/fq.rs
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@ -627,45 +627,19 @@ impl Field for Fq {
let mut carry = 0;
let r9 = ::mac_with_carry(r9, (self.0).0[4], (self.0).0[5], &mut carry);
let r10 = carry;
let tmp0 = r1 >> 63;
let r11 = r10 >> 63;
let r10 = (r10 << 1) | (r9 >> 63);
let r9 = (r9 << 1) | (r8 >> 63);
let r8 = (r8 << 1) | (r7 >> 63);
let r7 = (r7 << 1) | (r6 >> 63);
let r6 = (r6 << 1) | (r5 >> 63);
let r5 = (r5 << 1) | (r4 >> 63);
let r4 = (r4 << 1) | (r3 >> 63);
let r3 = (r3 << 1) | (r2 >> 63);
let r2 = (r2 << 1) | (r1 >> 63);
let r1 = r1 << 1;
let tmp1 = r2 >> 63;
let r2 = r2 << 1;
let r2 = r2 | tmp0;
let tmp0 = tmp1;
let tmp1 = r3 >> 63;
let r3 = r3 << 1;
let r3 = r3 | tmp0;
let tmp0 = tmp1;
let tmp1 = r4 >> 63;
let r4 = r4 << 1;
let r4 = r4 | tmp0;
let tmp0 = tmp1;
let tmp1 = r5 >> 63;
let r5 = r5 << 1;
let r5 = r5 | tmp0;
let tmp0 = tmp1;
let tmp1 = r6 >> 63;
let r6 = r6 << 1;
let r6 = r6 | tmp0;
let tmp0 = tmp1;
let tmp1 = r7 >> 63;
let r7 = r7 << 1;
let r7 = r7 | tmp0;
let tmp0 = tmp1;
let tmp1 = r8 >> 63;
let r8 = r8 << 1;
let r8 = r8 | tmp0;
let tmp0 = tmp1;
let tmp1 = r9 >> 63;
let r9 = r9 << 1;
let r9 = r9 | tmp0;
let tmp0 = tmp1;
let tmp1 = r10 >> 63;
let r10 = r10 << 1;
let r10 = r10 | tmp0;
let tmp0 = tmp1;
let r11 = tmp0;
let mut carry = 0;
let r0 = ::mac_with_carry(0, (self.0).0[0], (self.0).0[0], &mut carry);
let r1 = ::adc(r1, 0, &mut carry);

30
src/bls12_381/fr.rs
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@ -426,29 +426,15 @@ impl Field for Fr {
let mut carry = 0;
let r5 = ::mac_with_carry(r5, (self.0).0[2], (self.0).0[3], &mut carry);
let r6 = carry;
let tmp0 = r1 >> 63;
let r7 = r6 >> 63;
let r6 = (r6 << 1) | (r5 >> 63);
let r5 = (r5 << 1) | (r4 >> 63);
let r4 = (r4 << 1) | (r3 >> 63);
let r3 = (r3 << 1) | (r2 >> 63);
let r2 = (r2 << 1) | (r1 >> 63);
let r1 = r1 << 1;
let tmp1 = r2 >> 63;
let r2 = r2 << 1;
let r2 = r2 | tmp0;
let tmp0 = tmp1;
let tmp1 = r3 >> 63;
let r3 = r3 << 1;
let r3 = r3 | tmp0;
let tmp0 = tmp1;
let tmp1 = r4 >> 63;
let r4 = r4 << 1;
let r4 = r4 | tmp0;
let tmp0 = tmp1;
let tmp1 = r5 >> 63;
let r5 = r5 << 1;
let r5 = r5 | tmp0;
let tmp0 = tmp1;
let tmp1 = r6 >> 63;
let r6 = r6 << 1;
let r6 = r6 | tmp0;
let tmp0 = tmp1;
let r7 = tmp0;
let mut carry = 0;
let r0 = ::mac_with_carry(0, (self.0).0[0], (self.0).0[0], &mut carry);
let r1 = ::adc(r1, 0, &mut carry);

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