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Work around gcc 5.1.1/arvm7l VRP bugs

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No binary changes on other platforms
This commit is contained in:
Frank Denis 2015-10-24 16:41:22 +02:00
parent 6585edd23a
commit 58c211a8a3
6 changed files with 161 additions and 162 deletions
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20
src/libsodium/crypto_sign/ed25519/ref10/fe_frombytes.c
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@ -48,17 +48,17 @@ void fe_frombytes(fe h,const unsigned char *s)
crypto_int64 carry8;
crypto_int64 carry9;
carry9 = (h9 + (crypto_int64) (1<<24)) >> 25; h0 += carry9 * 19; h9 -= carry9 << 25;
carry1 = (h1 + (crypto_int64) (1<<24)) >> 25; h2 += carry1; h1 -= carry1 << 25;
carry3 = (h3 + (crypto_int64) (1<<24)) >> 25; h4 += carry3; h3 -= carry3 << 25;
carry5 = (h5 + (crypto_int64) (1<<24)) >> 25; h6 += carry5; h5 -= carry5 << 25;
carry7 = (h7 + (crypto_int64) (1<<24)) >> 25; h8 += carry7; h7 -= carry7 << 25;
carry9 = (h9 + (crypto_int64) (1L << 24)) >> 25; h0 += carry9 * 19; h9 -= carry9 << 25;
carry1 = (h1 + (crypto_int64) (1L << 24)) >> 25; h2 += carry1; h1 -= carry1 << 25;
carry3 = (h3 + (crypto_int64) (1L << 24)) >> 25; h4 += carry3; h3 -= carry3 << 25;
carry5 = (h5 + (crypto_int64) (1L << 24)) >> 25; h6 += carry5; h5 -= carry5 << 25;
carry7 = (h7 + (crypto_int64) (1L << 24)) >> 25; h8 += carry7; h7 -= carry7 << 25;
carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
carry2 = (h2 + (crypto_int64) (1<<25)) >> 26; h3 += carry2; h2 -= carry2 << 26;
carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
carry6 = (h6 + (crypto_int64) (1<<25)) >> 26; h7 += carry6; h6 -= carry6 << 26;
carry8 = (h8 + (crypto_int64) (1<<25)) >> 26; h9 += carry8; h8 -= carry8 << 26;
carry0 = (h0 + (crypto_int64) (1L << 25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
carry2 = (h2 + (crypto_int64) (1L << 25)) >> 26; h3 += carry2; h2 -= carry2 << 26;
carry4 = (h4 + (crypto_int64) (1L << 25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
carry6 = (h6 + (crypto_int64) (1L << 25)) >> 26; h7 += carry6; h6 -= carry6 << 26;
carry8 = (h8 + (crypto_int64) (1L << 25)) >> 26; h9 += carry8; h8 -= carry8 << 26;
h[0] = (crypto_int32) h0;
h[1] = (crypto_int32) h1;

24
src/libsodium/crypto_sign/ed25519/ref10/fe_mul.c
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@ -197,46 +197,46 @@ void fe_mul(fe h,const fe f,const fe g)
i.e. |h1| <= 1.7*2^59; narrower ranges for h3, h5, h7, h9
*/
carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
carry0 = (h0 + (crypto_int64) (1L << 25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
carry4 = (h4 + (crypto_int64) (1L << 25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
/* |h0| <= 2^25 */
/* |h4| <= 2^25 */
/* |h1| <= 1.71*2^59 */
/* |h5| <= 1.71*2^59 */
carry1 = (h1 + (crypto_int64) (1<<24)) >> 25; h2 += carry1; h1 -= carry1 << 25;
carry5 = (h5 + (crypto_int64) (1<<24)) >> 25; h6 += carry5; h5 -= carry5 << 25;
carry1 = (h1 + (crypto_int64) (1L << 24)) >> 25; h2 += carry1; h1 -= carry1 << 25;
carry5 = (h5 + (crypto_int64) (1L << 24)) >> 25; h6 += carry5; h5 -= carry5 << 25;
/* |h1| <= 2^24; from now on fits into int32 */
/* |h5| <= 2^24; from now on fits into int32 */
/* |h2| <= 1.41*2^60 */
/* |h6| <= 1.41*2^60 */
carry2 = (h2 + (crypto_int64) (1<<25)) >> 26; h3 += carry2; h2 -= carry2 << 26;
carry6 = (h6 + (crypto_int64) (1<<25)) >> 26; h7 += carry6; h6 -= carry6 << 26;
carry2 = (h2 + (crypto_int64) (1L << 25)) >> 26; h3 += carry2; h2 -= carry2 << 26;
carry6 = (h6 + (crypto_int64) (1L << 25)) >> 26; h7 += carry6; h6 -= carry6 << 26;
/* |h2| <= 2^25; from now on fits into int32 unchanged */
/* |h6| <= 2^25; from now on fits into int32 unchanged */
/* |h3| <= 1.71*2^59 */
/* |h7| <= 1.71*2^59 */
carry3 = (h3 + (crypto_int64) (1<<24)) >> 25; h4 += carry3; h3 -= carry3 << 25;
carry7 = (h7 + (crypto_int64) (1<<24)) >> 25; h8 += carry7; h7 -= carry7 << 25;
carry3 = (h3 + (crypto_int64) (1L << 24)) >> 25; h4 += carry3; h3 -= carry3 << 25;
carry7 = (h7 + (crypto_int64) (1L << 24)) >> 25; h8 += carry7; h7 -= carry7 << 25;
/* |h3| <= 2^24; from now on fits into int32 unchanged */
/* |h7| <= 2^24; from now on fits into int32 unchanged */
/* |h4| <= 1.72*2^34 */
/* |h8| <= 1.41*2^60 */
carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
carry8 = (h8 + (crypto_int64) (1<<25)) >> 26; h9 += carry8; h8 -= carry8 << 26;
carry4 = (h4 + (crypto_int64) (1L << 25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
carry8 = (h8 + (crypto_int64) (1L << 25)) >> 26; h9 += carry8; h8 -= carry8 << 26;
/* |h4| <= 2^25; from now on fits into int32 unchanged */
/* |h8| <= 2^25; from now on fits into int32 unchanged */
/* |h5| <= 1.01*2^24 */
/* |h9| <= 1.71*2^59 */
carry9 = (h9 + (crypto_int64) (1<<24)) >> 25; h0 += carry9 * 19; h9 -= carry9 << 25;
carry9 = (h9 + (crypto_int64) (1L << 24)) >> 25; h0 += carry9 * 19; h9 -= carry9 << 25;
/* |h9| <= 2^24; from now on fits into int32 unchanged */
/* |h0| <= 1.1*2^39 */
carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
carry0 = (h0 + (crypto_int64) (1L << 25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
/* |h0| <= 2^25; from now on fits into int32 unchanged */
/* |h1| <= 1.01*2^24 */

24
src/libsodium/crypto_sign/ed25519/ref10/fe_sq.c
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@ -117,24 +117,24 @@ void fe_sq(fe h,const fe f)
crypto_int64 carry8;
crypto_int64 carry9;
carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
carry0 = (h0 + (crypto_int64) (1L << 25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
carry4 = (h4 + (crypto_int64) (1L << 25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
carry1 = (h1 + (crypto_int64) (1<<24)) >> 25; h2 += carry1; h1 -= carry1 << 25;
carry5 = (h5 + (crypto_int64) (1<<24)) >> 25; h6 += carry5; h5 -= carry5 << 25;
carry1 = (h1 + (crypto_int64) (1L << 24)) >> 25; h2 += carry1; h1 -= carry1 << 25;
carry5 = (h5 + (crypto_int64) (1L << 24)) >> 25; h6 += carry5; h5 -= carry5 << 25;
carry2 = (h2 + (crypto_int64) (1<<25)) >> 26; h3 += carry2; h2 -= carry2 << 26;
carry6 = (h6 + (crypto_int64) (1<<25)) >> 26; h7 += carry6; h6 -= carry6 << 26;
carry2 = (h2 + (crypto_int64) (1L << 25)) >> 26; h3 += carry2; h2 -= carry2 << 26;
carry6 = (h6 + (crypto_int64) (1L << 25)) >> 26; h7 += carry6; h6 -= carry6 << 26;
carry3 = (h3 + (crypto_int64) (1<<24)) >> 25; h4 += carry3; h3 -= carry3 << 25;
carry7 = (h7 + (crypto_int64) (1<<24)) >> 25; h8 += carry7; h7 -= carry7 << 25;
carry3 = (h3 + (crypto_int64) (1L << 24)) >> 25; h4 += carry3; h3 -= carry3 << 25;
carry7 = (h7 + (crypto_int64) (1L << 24)) >> 25; h8 += carry7; h7 -= carry7 << 25;
carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
carry8 = (h8 + (crypto_int64) (1<<25)) >> 26; h9 += carry8; h8 -= carry8 << 26;
carry4 = (h4 + (crypto_int64) (1L << 25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
carry8 = (h8 + (crypto_int64) (1L << 25)) >> 26; h9 += carry8; h8 -= carry8 << 26;
carry9 = (h9 + (crypto_int64) (1<<24)) >> 25; h0 += carry9 * 19; h9 -= carry9 << 25;
carry9 = (h9 + (crypto_int64) (1L << 24)) >> 25; h0 += carry9 * 19; h9 -= carry9 << 25;
carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
carry0 = (h0 + (crypto_int64) (1L << 25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
h[0] = (crypto_int32) h0;
h[1] = (crypto_int32) h1;

24
src/libsodium/crypto_sign/ed25519/ref10/fe_sq2.c
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@ -128,24 +128,24 @@ void fe_sq2(fe h,const fe f)
h8 += h8;
h9 += h9;
carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
carry0 = (h0 + (crypto_int64) (1L << 25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
carry4 = (h4 + (crypto_int64) (1L << 25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
carry1 = (h1 + (crypto_int64) (1<<24)) >> 25; h2 += carry1; h1 -= carry1 << 25;
carry5 = (h5 + (crypto_int64) (1<<24)) >> 25; h6 += carry5; h5 -= carry5 << 25;
carry1 = (h1 + (crypto_int64) (1L << 24)) >> 25; h2 += carry1; h1 -= carry1 << 25;
carry5 = (h5 + (crypto_int64) (1L << 24)) >> 25; h6 += carry5; h5 -= carry5 << 25;
carry2 = (h2 + (crypto_int64) (1<<25)) >> 26; h3 += carry2; h2 -= carry2 << 26;
carry6 = (h6 + (crypto_int64) (1<<25)) >> 26; h7 += carry6; h6 -= carry6 << 26;
carry2 = (h2 + (crypto_int64) (1L << 25)) >> 26; h3 += carry2; h2 -= carry2 << 26;
carry6 = (h6 + (crypto_int64) (1L << 25)) >> 26; h7 += carry6; h6 -= carry6 << 26;
carry3 = (h3 + (crypto_int64) (1<<24)) >> 25; h4 += carry3; h3 -= carry3 << 25;
carry7 = (h7 + (crypto_int64) (1<<24)) >> 25; h8 += carry7; h7 -= carry7 << 25;
carry3 = (h3 + (crypto_int64) (1L << 24)) >> 25; h4 += carry3; h3 -= carry3 << 25;
carry7 = (h7 + (crypto_int64) (1L << 24)) >> 25; h8 += carry7; h7 -= carry7 << 25;
carry4 = (h4 + (crypto_int64) (1<<25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
carry8 = (h8 + (crypto_int64) (1<<25)) >> 26; h9 += carry8; h8 -= carry8 << 26;
carry4 = (h4 + (crypto_int64) (1L << 25)) >> 26; h5 += carry4; h4 -= carry4 << 26;
carry8 = (h8 + (crypto_int64) (1L << 25)) >> 26; h9 += carry8; h8 -= carry8 << 26;
carry9 = (h9 + (crypto_int64) (1<<24)) >> 25; h0 += carry9 * 19; h9 -= carry9 << 25;
carry9 = (h9 + (crypto_int64) (1L << 24)) >> 25; h0 += carry9 * 19; h9 -= carry9 << 25;
carry0 = (h0 + (crypto_int64) (1<<25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
carry0 = (h0 + (crypto_int64) (1L << 25)) >> 26; h1 += carry0; h0 -= carry0 << 26;
h[0] = (crypto_int32) h0;
h[1] = (crypto_int32) h1;

139
src/libsodium/crypto_sign/ed25519/ref10/sc_muladd.c
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@ -33,7 +33,6 @@ Output:
where l = 2^252 + 27742317777372353535851937790883648493.
*/
#pragma GCC optimize ("no-tree-vrp")
void sc_muladd(unsigned char *s,const unsigned char *a,const unsigned char *b,const unsigned char *c)
{
crypto_int64 a0 = 2097151 & load_3(a);
@ -145,30 +144,30 @@ void sc_muladd(unsigned char *s,const unsigned char *a,const unsigned char *b,co
s22 = a11*b11;
s23 = 0;
carry0 = (s0 + (1<<20)) >> 21; s1 += carry0; s0 -= carry0 << 21;
carry2 = (s2 + (1<<20)) >> 21; s3 += carry2; s2 -= carry2 << 21;
carry4 = (s4 + (1<<20)) >> 21; s5 += carry4; s4 -= carry4 << 21;
carry6 = (s6 + (1<<20)) >> 21; s7 += carry6; s6 -= carry6 << 21;
carry8 = (s8 + (1<<20)) >> 21; s9 += carry8; s8 -= carry8 << 21;
carry10 = (s10 + (1<<20)) >> 21; s11 += carry10; s10 -= carry10 << 21;
carry12 = (s12 + (1<<20)) >> 21; s13 += carry12; s12 -= carry12 << 21;
carry14 = (s14 + (1<<20)) >> 21; s15 += carry14; s14 -= carry14 << 21;
carry16 = (s16 + (1<<20)) >> 21; s17 += carry16; s16 -= carry16 << 21;
carry18 = (s18 + (1<<20)) >> 21; s19 += carry18; s18 -= carry18 << 21;
carry20 = (s20 + (1<<20)) >> 21; s21 += carry20; s20 -= carry20 << 21;
carry22 = (s22 + (1<<20)) >> 21; s23 += carry22; s22 -= carry22 << 21;
carry0 = (s0 + (1L << 20)) >> 21; s1 += carry0; s0 -= carry0 * (1L << 21);
carry2 = (s2 + (1L << 20)) >> 21; s3 += carry2; s2 -= carry2 * (1L << 21);
carry4 = (s4 + (1L << 20)) >> 21; s5 += carry4; s4 -= carry4 * (1L << 21);
carry6 = (s6 + (1L << 20)) >> 21; s7 += carry6; s6 -= carry6 * (1L << 21);
carry8 = (s8 + (1L << 20)) >> 21; s9 += carry8; s8 -= carry8 * (1L << 21);
carry10 = (s10 + (1L << 20)) >> 21; s11 += carry10; s10 -= carry10 * (1L << 21);
carry12 = (s12 + (1L << 20)) >> 21; s13 += carry12; s12 -= carry12 * (1L << 21);
carry14 = (s14 + (1L << 20)) >> 21; s15 += carry14; s14 -= carry14 * (1L << 21);
carry16 = (s16 + (1L << 20)) >> 21; s17 += carry16; s16 -= carry16 * (1L << 21);
carry18 = (s18 + (1L << 20)) >> 21; s19 += carry18; s18 -= carry18 * (1L << 21);
carry20 = (s20 + (1L << 20)) >> 21; s21 += carry20; s20 -= carry20 * (1L << 21);
carry22 = (s22 + (1L << 20)) >> 21; s23 += carry22; s22 -= carry22 * (1L << 21);
carry1 = (s1 + (1<<20)) >> 21; s2 += carry1; s1 -= carry1 << 21;
carry3 = (s3 + (1<<20)) >> 21; s4 += carry3; s3 -= carry3 << 21;
carry5 = (s5 + (1<<20)) >> 21; s6 += carry5; s5 -= carry5 << 21;
carry7 = (s7 + (1<<20)) >> 21; s8 += carry7; s7 -= carry7 << 21;
carry9 = (s9 + (1<<20)) >> 21; s10 += carry9; s9 -= carry9 << 21;
carry11 = (s11 + (1<<20)) >> 21; s12 += carry11; s11 -= carry11 << 21;
carry13 = (s13 + (1<<20)) >> 21; s14 += carry13; s13 -= carry13 << 21;
carry15 = (s15 + (1<<20)) >> 21; s16 += carry15; s15 -= carry15 << 21;
carry17 = (s17 + (1<<20)) >> 21; s18 += carry17; s17 -= carry17 << 21;
carry19 = (s19 + (1<<20)) >> 21; s20 += carry19; s19 -= carry19 << 21;
carry21 = (s21 + (1<<20)) >> 21; s22 += carry21; s21 -= carry21 << 21;
carry1 = (s1 + (1L << 20)) >> 21; s2 += carry1; s1 -= carry1 * (1L << 21);
carry3 = (s3 + (1L << 20)) >> 21; s4 += carry3; s3 -= carry3 * (1L << 21);
carry5 = (s5 + (1L << 20)) >> 21; s6 += carry5; s5 -= carry5 * (1L << 21);
carry7 = (s7 + (1L << 20)) >> 21; s8 += carry7; s7 -= carry7 * (1L << 21);
carry9 = (s9 + (1L << 20)) >> 21; s10 += carry9; s9 -= carry9 * (1L << 21);
carry11 = (s11 + (1L << 20)) >> 21; s12 += carry11; s11 -= carry11 * (1L << 21);
carry13 = (s13 + (1L << 20)) >> 21; s14 += carry13; s13 -= carry13 * (1L << 21);
carry15 = (s15 + (1L << 20)) >> 21; s16 += carry15; s15 -= carry15 * (1L << 21);
carry17 = (s17 + (1L << 20)) >> 21; s18 += carry17; s17 -= carry17 * (1L << 21);
carry19 = (s19 + (1L << 20)) >> 21; s20 += carry19; s19 -= carry19 * (1L << 21);
carry21 = (s21 + (1L << 20)) >> 21; s22 += carry21; s21 -= carry21 * (1L << 21);
s11 += s23 * 666643;
s12 += s23 * 470296;
@ -218,18 +217,18 @@ void sc_muladd(unsigned char *s,const unsigned char *a,const unsigned char *b,co
s11 -= s18 * 683901;
carry6 = (s6 + (1<<20)) >> 21; s7 += carry6; s6 -= carry6 << 21;
carry8 = (s8 + (1<<20)) >> 21; s9 += carry8; s8 -= carry8 << 21;
carry10 = (s10 + (1<<20)) >> 21; s11 += carry10; s10 -= carry10 << 21;
carry12 = (s12 + (1<<20)) >> 21; s13 += carry12; s12 -= carry12 << 21;
carry14 = (s14 + (1<<20)) >> 21; s15 += carry14; s14 -= carry14 << 21;
carry16 = (s16 + (1<<20)) >> 21; s17 += carry16; s16 -= carry16 << 21;
carry6 = (s6 + (1L << 20)) >> 21; s7 += carry6; s6 -= carry6 * (1L << 21);
carry8 = (s8 + (1L << 20)) >> 21; s9 += carry8; s8 -= carry8 * (1L << 21);
carry10 = (s10 + (1L << 20)) >> 21; s11 += carry10; s10 -= carry10 * (1L << 21);
carry12 = (s12 + (1L << 20)) >> 21; s13 += carry12; s12 -= carry12 * (1L << 21);
carry14 = (s14 + (1L << 20)) >> 21; s15 += carry14; s14 -= carry14 * (1L << 21);
carry16 = (s16 + (1L << 20)) >> 21; s17 += carry16; s16 -= carry16 * (1L << 21);
carry7 = (s7 + (1<<20)) >> 21; s8 += carry7; s7 -= carry7 << 21;
carry9 = (s9 + (1<<20)) >> 21; s10 += carry9; s9 -= carry9 << 21;
carry11 = (s11 + (1<<20)) >> 21; s12 += carry11; s11 -= carry11 << 21;
carry13 = (s13 + (1<<20)) >> 21; s14 += carry13; s13 -= carry13 << 21;
carry15 = (s15 + (1<<20)) >> 21; s16 += carry15; s15 -= carry15 << 21;
carry7 = (s7 + (1L << 20)) >> 21; s8 += carry7; s7 -= carry7 * (1L << 21);
carry9 = (s9 + (1L << 20)) >> 21; s10 += carry9; s9 -= carry9 * (1L << 21);
carry11 = (s11 + (1L << 20)) >> 21; s12 += carry11; s11 -= carry11 * (1L << 21);
carry13 = (s13 + (1L << 20)) >> 21; s14 += carry13; s13 -= carry13 * (1L << 21);
carry15 = (s15 + (1L << 20)) >> 21; s16 += carry15; s15 -= carry15 * (1L << 21);
s5 += s17 * 666643;
s6 += s17 * 470296;
@ -279,19 +278,19 @@ void sc_muladd(unsigned char *s,const unsigned char *a,const unsigned char *b,co
s5 -= s12 * 683901;
s12 = 0;
carry0 = (s0 + (1<<20)) >> 21; s1 += carry0; s0 -= carry0 << 21;
carry2 = (s2 + (1<<20)) >> 21; s3 += carry2; s2 -= carry2 << 21;
carry4 = (s4 + (1<<20)) >> 21; s5 += carry4; s4 -= carry4 << 21;
carry6 = (s6 + (1<<20)) >> 21; s7 += carry6; s6 -= carry6 << 21;
carry8 = (s8 + (1<<20)) >> 21; s9 += carry8; s8 -= carry8 << 21;
carry10 = (s10 + (1<<20)) >> 21; s11 += carry10; s10 -= carry10 << 21;
carry0 = (s0 + (1L << 20)) >> 21; s1 += carry0; s0 -= carry0 * (1L << 21);
carry2 = (s2 + (1L << 20)) >> 21; s3 += carry2; s2 -= carry2 * (1L << 21);
carry4 = (s4 + (1L << 20)) >> 21; s5 += carry4; s4 -= carry4 * (1L << 21);
carry6 = (s6 + (1L << 20)) >> 21; s7 += carry6; s6 -= carry6 * (1L << 21);
carry8 = (s8 + (1L << 20)) >> 21; s9 += carry8; s8 -= carry8 * (1L << 21);
carry10 = (s10 + (1L << 20)) >> 21; s11 += carry10; s10 -= carry10 * (1L << 21);
carry1 = (s1 + (1<<20)) >> 21; s2 += carry1; s1 -= carry1 << 21;
carry3 = (s3 + (1<<20)) >> 21; s4 += carry3; s3 -= carry3 << 21;
carry5 = (s5 + (1<<20)) >> 21; s6 += carry5; s5 -= carry5 << 21;
carry7 = (s7 + (1<<20)) >> 21; s8 += carry7; s7 -= carry7 << 21;
carry9 = (s9 + (1<<20)) >> 21; s10 += carry9; s9 -= carry9 << 21;
carry11 = (s11 + (1<<20)) >> 21; s12 += carry11; s11 -= carry11 << 21;
carry1 = (s1 + (1L << 20)) >> 21; s2 += carry1; s1 -= carry1 * (1L << 21);
carry3 = (s3 + (1L << 20)) >> 21; s4 += carry3; s3 -= carry3 * (1L << 21);
carry5 = (s5 + (1L << 20)) >> 21; s6 += carry5; s5 -= carry5 * (1L << 21);
carry7 = (s7 + (1L << 20)) >> 21; s8 += carry7; s7 -= carry7 * (1L << 21);
carry9 = (s9 + (1L << 20)) >> 21; s10 += carry9; s9 -= carry9 * (1L << 21);
carry11 = (s11 + (1L << 20)) >> 21; s12 += carry11; s11 -= carry11 * (1L << 21);
s0 += s12 * 666643;
s1 += s12 * 470296;
@ -301,18 +300,18 @@ void sc_muladd(unsigned char *s,const unsigned char *a,const unsigned char *b,co
s5 -= s12 * 683901;
s12 = 0;
carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 << 21;
carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 << 21;
carry2 = s2 >> 21; s3 += carry2; s2 -= carry2 << 21;
carry3 = s3 >> 21; s4 += carry3; s3 -= carry3 << 21;
carry4 = s4 >> 21; s5 += carry4; s4 -= carry4 << 21;
carry5 = s5 >> 21; s6 += carry5; s5 -= carry5 << 21;
carry6 = s6 >> 21; s7 += carry6; s6 -= carry6 << 21;
carry7 = s7 >> 21; s8 += carry7; s7 -= carry7 << 21;
carry8 = s8 >> 21; s9 += carry8; s8 -= carry8 << 21;
carry9 = s9 >> 21; s10 += carry9; s9 -= carry9 << 21;
carry10 = s10 >> 21; s11 += carry10; s10 -= carry10 << 21;
carry11 = s11 >> 21; s12 += carry11; s11 -= carry11 << 21;
carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 * (1L << 21);
carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 * (1L << 21);
carry2 = s2 >> 21; s3 += carry2; s2 -= carry2 * (1L << 21);
carry3 = s3 >> 21; s4 += carry3; s3 -= carry3 * (1L << 21);
carry4 = s4 >> 21; s5 += carry4; s4 -= carry4 * (1L << 21);
carry5 = s5 >> 21; s6 += carry5; s5 -= carry5 * (1L << 21);
carry6 = s6 >> 21; s7 += carry6; s6 -= carry6 * (1L << 21);
carry7 = s7 >> 21; s8 += carry7; s7 -= carry7 * (1L << 21);
carry8 = s8 >> 21; s9 += carry8; s8 -= carry8 * (1L << 21);
carry9 = s9 >> 21; s10 += carry9; s9 -= carry9 * (1L << 21);
carry10 = s10 >> 21; s11 += carry10; s10 -= carry10 * (1L << 21);
carry11 = s11 >> 21; s12 += carry11; s11 -= carry11 * (1L << 21);
s0 += s12 * 666643;
s1 += s12 * 470296;
@ -322,17 +321,17 @@ void sc_muladd(unsigned char *s,const unsigned char *a,const unsigned char *b,co
s5 -= s12 * 683901;
carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 << 21;
carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 << 21;
carry2 = s2 >> 21; s3 += carry2; s2 -= carry2 << 21;
carry3 = s3 >> 21; s4 += carry3; s3 -= carry3 << 21;
carry4 = s4 >> 21; s5 += carry4; s4 -= carry4 << 21;
carry5 = s5 >> 21; s6 += carry5; s5 -= carry5 << 21;
carry6 = s6 >> 21; s7 += carry6; s6 -= carry6 << 21;
carry7 = s7 >> 21; s8 += carry7; s7 -= carry7 << 21;
carry8 = s8 >> 21; s9 += carry8; s8 -= carry8 << 21;
carry9 = s9 >> 21; s10 += carry9; s9 -= carry9 << 21;
carry10 = s10 >> 21; s11 += carry10; s10 -= carry10 << 21;
carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 * (1L << 21);
carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 * (1L << 21);
carry2 = s2 >> 21; s3 += carry2; s2 -= carry2 * (1L << 21);
carry3 = s3 >> 21; s4 += carry3; s3 -= carry3 * (1L << 21);
carry4 = s4 >> 21; s5 += carry4; s4 -= carry4 * (1L << 21);
carry5 = s5 >> 21; s6 += carry5; s5 -= carry5 * (1L << 21);
carry6 = s6 >> 21; s7 += carry6; s6 -= carry6 * (1L << 21);
carry7 = s7 >> 21; s8 += carry7; s7 -= carry7 * (1L << 21);
carry8 = s8 >> 21; s9 += carry8; s8 -= carry8 * (1L << 21);
carry9 = s9 >> 21; s10 += carry9; s9 -= carry9 * (1L << 21);
carry10 = s10 >> 21; s11 += carry10; s10 -= carry10 * (1L << 21);
s[0] = s0 >> 0;
s[1] = s0 >> 8;

92
src/libsodium/crypto_sign/ed25519/ref10/sc_reduce.c
View File

@ -124,18 +124,18 @@ void sc_reduce(unsigned char *s)
s11 -= s18 * 683901;
carry6 = (s6 + (1<<20)) >> 21; s7 += carry6; s6 -= carry6 << 21;
carry8 = (s8 + (1<<20)) >> 21; s9 += carry8; s8 -= carry8 << 21;
carry10 = (s10 + (1<<20)) >> 21; s11 += carry10; s10 -= carry10 << 21;
carry12 = (s12 + (1<<20)) >> 21; s13 += carry12; s12 -= carry12 << 21;
carry14 = (s14 + (1<<20)) >> 21; s15 += carry14; s14 -= carry14 << 21;
carry16 = (s16 + (1<<20)) >> 21; s17 += carry16; s16 -= carry16 << 21;
carry6 = (s6 + (1L << 20)) >> 21; s7 += carry6; s6 -= carry6 * (1L << 21);
carry8 = (s8 + (1L << 20)) >> 21; s9 += carry8; s8 -= carry8 * (1L << 21);
carry10 = (s10 + (1L << 20)) >> 21; s11 += carry10; s10 -= carry10 * (1L << 21);
carry12 = (s12 + (1L << 20)) >> 21; s13 += carry12; s12 -= carry12 * (1L << 21);
carry14 = (s14 + (1L << 20)) >> 21; s15 += carry14; s14 -= carry14 * (1L << 21);
carry16 = (s16 + (1L << 20)) >> 21; s17 += carry16; s16 -= carry16 * (1L << 21);
carry7 = (s7 + (1<<20)) >> 21; s8 += carry7; s7 -= carry7 << 21;
carry9 = (s9 + (1<<20)) >> 21; s10 += carry9; s9 -= carry9 << 21;
carry11 = (s11 + (1<<20)) >> 21; s12 += carry11; s11 -= carry11 << 21;
carry13 = (s13 + (1<<20)) >> 21; s14 += carry13; s13 -= carry13 << 21;
carry15 = (s15 + (1<<20)) >> 21; s16 += carry15; s15 -= carry15 << 21;
carry7 = (s7 + (1L << 20)) >> 21; s8 += carry7; s7 -= carry7 * (1L << 21);
carry9 = (s9 + (1L << 20)) >> 21; s10 += carry9; s9 -= carry9 * (1L << 21);
carry11 = (s11 + (1L << 20)) >> 21; s12 += carry11; s11 -= carry11 * (1L << 21);
carry13 = (s13 + (1L << 20)) >> 21; s14 += carry13; s13 -= carry13 * (1L << 21);
carry15 = (s15 + (1L << 20)) >> 21; s16 += carry15; s15 -= carry15 * (1L << 21);
s5 += s17 * 666643;
s6 += s17 * 470296;
@ -185,19 +185,19 @@ void sc_reduce(unsigned char *s)
s5 -= s12 * 683901;
s12 = 0;
carry0 = (s0 + (1<<20)) >> 21; s1 += carry0; s0 -= carry0 << 21;
carry2 = (s2 + (1<<20)) >> 21; s3 += carry2; s2 -= carry2 << 21;
carry4 = (s4 + (1<<20)) >> 21; s5 += carry4; s4 -= carry4 << 21;
carry6 = (s6 + (1<<20)) >> 21; s7 += carry6; s6 -= carry6 << 21;
carry8 = (s8 + (1<<20)) >> 21; s9 += carry8; s8 -= carry8 << 21;
carry10 = (s10 + (1<<20)) >> 21; s11 += carry10; s10 -= carry10 << 21;
carry0 = (s0 + (1L << 20)) >> 21; s1 += carry0; s0 -= carry0 * (1L << 21);
carry2 = (s2 + (1L << 20)) >> 21; s3 += carry2; s2 -= carry2 * (1L << 21);
carry4 = (s4 + (1L << 20)) >> 21; s5 += carry4; s4 -= carry4 * (1L << 21);
carry6 = (s6 + (1L << 20)) >> 21; s7 += carry6; s6 -= carry6 * (1L << 21);
carry8 = (s8 + (1L << 20)) >> 21; s9 += carry8; s8 -= carry8 * (1L << 21);
carry10 = (s10 + (1L << 20)) >> 21; s11 += carry10; s10 -= carry10 * (1L << 21);
carry1 = (s1 + (1<<20)) >> 21; s2 += carry1; s1 -= carry1 << 21;
carry3 = (s3 + (1<<20)) >> 21; s4 += carry3; s3 -= carry3 << 21;
carry5 = (s5 + (1<<20)) >> 21; s6 += carry5; s5 -= carry5 << 21;
carry7 = (s7 + (1<<20)) >> 21; s8 += carry7; s7 -= carry7 << 21;
carry9 = (s9 + (1<<20)) >> 21; s10 += carry9; s9 -= carry9 << 21;
carry11 = (s11 + (1<<20)) >> 21; s12 += carry11; s11 -= carry11 << 21;
carry1 = (s1 + (1L << 20)) >> 21; s2 += carry1; s1 -= carry1 * (1L << 21);
carry3 = (s3 + (1L << 20)) >> 21; s4 += carry3; s3 -= carry3 * (1L << 21);
carry5 = (s5 + (1L << 20)) >> 21; s6 += carry5; s5 -= carry5 * (1L << 21);
carry7 = (s7 + (1L << 20)) >> 21; s8 += carry7; s7 -= carry7 * (1L << 21);
carry9 = (s9 + (1L << 20)) >> 21; s10 += carry9; s9 -= carry9 * (1L << 21);
carry11 = (s11 + (1L << 20)) >> 21; s12 += carry11; s11 -= carry11 * (1L << 21);
s0 += s12 * 666643;
s1 += s12 * 470296;
@ -207,18 +207,18 @@ void sc_reduce(unsigned char *s)
s5 -= s12 * 683901;
s12 = 0;
carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 << 21;
carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 << 21;
carry2 = s2 >> 21; s3 += carry2; s2 -= carry2 << 21;
carry3 = s3 >> 21; s4 += carry3; s3 -= carry3 << 21;
carry4 = s4 >> 21; s5 += carry4; s4 -= carry4 << 21;
carry5 = s5 >> 21; s6 += carry5; s5 -= carry5 << 21;
carry6 = s6 >> 21; s7 += carry6; s6 -= carry6 << 21;
carry7 = s7 >> 21; s8 += carry7; s7 -= carry7 << 21;
carry8 = s8 >> 21; s9 += carry8; s8 -= carry8 << 21;
carry9 = s9 >> 21; s10 += carry9; s9 -= carry9 << 21;
carry10 = s10 >> 21; s11 += carry10; s10 -= carry10 << 21;
carry11 = s11 >> 21; s12 += carry11; s11 -= carry11 << 21;
carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 * (1L << 21);
carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 * (1L << 21);
carry2 = s2 >> 21; s3 += carry2; s2 -= carry2 * (1L << 21);
carry3 = s3 >> 21; s4 += carry3; s3 -= carry3 * (1L << 21);
carry4 = s4 >> 21; s5 += carry4; s4 -= carry4 * (1L << 21);
carry5 = s5 >> 21; s6 += carry5; s5 -= carry5 * (1L << 21);
carry6 = s6 >> 21; s7 += carry6; s6 -= carry6 * (1L << 21);
carry7 = s7 >> 21; s8 += carry7; s7 -= carry7 * (1L << 21);
carry8 = s8 >> 21; s9 += carry8; s8 -= carry8 * (1L << 21);
carry9 = s9 >> 21; s10 += carry9; s9 -= carry9 * (1L << 21);
carry10 = s10 >> 21; s11 += carry10; s10 -= carry10 * (1L << 21);
carry11 = s11 >> 21; s12 += carry11; s11 -= carry11 * (1L << 21);
s0 += s12 * 666643;
s1 += s12 * 470296;
@ -228,17 +228,17 @@ void sc_reduce(unsigned char *s)
s5 -= s12 * 683901;
carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 << 21;
carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 << 21;
carry2 = s2 >> 21; s3 += carry2; s2 -= carry2 << 21;
carry3 = s3 >> 21; s4 += carry3; s3 -= carry3 << 21;
carry4 = s4 >> 21; s5 += carry4; s4 -= carry4 << 21;
carry5 = s5 >> 21; s6 += carry5; s5 -= carry5 << 21;
carry6 = s6 >> 21; s7 += carry6; s6 -= carry6 << 21;
carry7 = s7 >> 21; s8 += carry7; s7 -= carry7 << 21;
carry8 = s8 >> 21; s9 += carry8; s8 -= carry8 << 21;
carry9 = s9 >> 21; s10 += carry9; s9 -= carry9 << 21;
carry10 = s10 >> 21; s11 += carry10; s10 -= carry10 << 21;
carry0 = s0 >> 21; s1 += carry0; s0 -= carry0 * (1L << 21);
carry1 = s1 >> 21; s2 += carry1; s1 -= carry1 * (1L << 21);
carry2 = s2 >> 21; s3 += carry2; s2 -= carry2 * (1L << 21);
carry3 = s3 >> 21; s4 += carry3; s3 -= carry3 * (1L << 21);
carry4 = s4 >> 21; s5 += carry4; s4 -= carry4 * (1L << 21);
carry5 = s5 >> 21; s6 += carry5; s5 -= carry5 * (1L << 21);
carry6 = s6 >> 21; s7 += carry6; s6 -= carry6 * (1L << 21);
carry7 = s7 >> 21; s8 += carry7; s7 -= carry7 * (1L << 21);
carry8 = s8 >> 21; s9 += carry8; s8 -= carry8 * (1L << 21);
carry9 = s9 >> 21; s10 += carry9; s9 -= carry9 * (1L << 21);
carry10 = s10 >> 21; s11 += carry10; s10 -= carry10 * (1L << 21);
s[0] = s0 >> 0;
s[1] = s0 >> 8;