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annotate tomsfastmath/src/sqr/fp_sqr_comba_8.c @ 647:939cd3e22c87 dropbear-tfm

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- Fix constraints so we don't get warned about uninitialised variable (it isn't used as input by the asm)
author Matt Johnston <matt@ucc.asn.au>
date Wed, 30 Nov 2011 23:15:21 +0800
parents a362b62d38b2
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
643
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1 #define TFM_DEFINES
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
2 #include "fp_sqr_comba.c"
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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3
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
4 #ifdef TFM_SQR8
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
5 void fp_sqr_comba8(fp_int *A, fp_int *B)
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
6 {
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
7 fp_digit *a, b[16], c0, c1, c2, sc0, sc1, sc2;
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parents:
diff changeset
8 #ifdef TFM_ISO
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parents:
diff changeset
9 fp_word tt;
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
10 #endif
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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11
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
12 a = A->dp;
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
13 COMBA_START;
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
14
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
15 /* clear carries */
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
16 CLEAR_CARRY;
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
17
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
18 /* output 0 */
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
19 SQRADD(a[0],a[0]);
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
20 COMBA_STORE(b[0]);
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
21
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
22 /* output 1 */
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
23 CARRY_FORWARD;
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parents:
diff changeset
24 SQRADD2(a[0], a[1]);
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
25 COMBA_STORE(b[1]);
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parents:
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26
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
27 /* output 2 */
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
28 CARRY_FORWARD;
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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diff changeset
29 SQRADD2(a[0], a[2]); SQRADD(a[1], a[1]);
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parents:
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30 COMBA_STORE(b[2]);
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parents:
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31
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32 /* output 3 */
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
33 CARRY_FORWARD;
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parents:
diff changeset
34 SQRADD2(a[0], a[3]); SQRADD2(a[1], a[2]);
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parents:
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35 COMBA_STORE(b[3]);
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parents:
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36
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parents:
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37 /* output 4 */
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
38 CARRY_FORWARD;
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
39 SQRADD2(a[0], a[4]); SQRADD2(a[1], a[3]); SQRADD(a[2], a[2]);
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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40 COMBA_STORE(b[4]);
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parents:
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41
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parents:
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42 /* output 5 */
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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43 CARRY_FORWARD;
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parents:
diff changeset
44 SQRADDSC(a[0], a[5]); SQRADDAC(a[1], a[4]); SQRADDAC(a[2], a[3]); SQRADDDB;
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parents:
diff changeset
45 COMBA_STORE(b[5]);
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parents:
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46
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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47 /* output 6 */
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
48 CARRY_FORWARD;
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
49 SQRADDSC(a[0], a[6]); SQRADDAC(a[1], a[5]); SQRADDAC(a[2], a[4]); SQRADDDB; SQRADD(a[3], a[3]);
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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50 COMBA_STORE(b[6]);
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51
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52 /* output 7 */
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53 CARRY_FORWARD;
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parents:
diff changeset
54 SQRADDSC(a[0], a[7]); SQRADDAC(a[1], a[6]); SQRADDAC(a[2], a[5]); SQRADDAC(a[3], a[4]); SQRADDDB;
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parents:
diff changeset
55 COMBA_STORE(b[7]);
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parents:
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56
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parents:
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57 /* output 8 */
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diff changeset
58 CARRY_FORWARD;
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parents:
diff changeset
59 SQRADDSC(a[1], a[7]); SQRADDAC(a[2], a[6]); SQRADDAC(a[3], a[5]); SQRADDDB; SQRADD(a[4], a[4]);
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60 COMBA_STORE(b[8]);
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61
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parents:
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62 /* output 9 */
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diff changeset
63 CARRY_FORWARD;
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parents:
diff changeset
64 SQRADDSC(a[2], a[7]); SQRADDAC(a[3], a[6]); SQRADDAC(a[4], a[5]); SQRADDDB;
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parents:
diff changeset
65 COMBA_STORE(b[9]);
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parents:
diff changeset
66
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
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67 /* output 10 */
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parents:
diff changeset
68 CARRY_FORWARD;
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parents:
diff changeset
69 SQRADD2(a[3], a[7]); SQRADD2(a[4], a[6]); SQRADD(a[5], a[5]);
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parents:
diff changeset
70 COMBA_STORE(b[10]);
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parents:
diff changeset
71
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parents:
diff changeset
72 /* output 11 */
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parents:
diff changeset
73 CARRY_FORWARD;
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parents:
diff changeset
74 SQRADD2(a[4], a[7]); SQRADD2(a[5], a[6]);
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parents:
diff changeset
75 COMBA_STORE(b[11]);
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parents:
diff changeset
76
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parents:
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77 /* output 12 */
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parents:
diff changeset
78 CARRY_FORWARD;
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parents:
diff changeset
79 SQRADD2(a[5], a[7]); SQRADD(a[6], a[6]);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
80 COMBA_STORE(b[12]);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
81
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parents:
diff changeset
82 /* output 13 */
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parents:
diff changeset
83 CARRY_FORWARD;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
84 SQRADD2(a[6], a[7]);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
85 COMBA_STORE(b[13]);
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
86
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
87 /* output 14 */
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parents:
diff changeset
88 CARRY_FORWARD;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
89 SQRADD(a[7], a[7]);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
90 COMBA_STORE(b[14]);
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
91 COMBA_STORE2(b[15]);
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
92 COMBA_FINI;
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Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
93
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
94 B->used = 16;
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
95 B->sign = FP_ZPOS;
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
96 memcpy(B->dp, b, 16 * sizeof(fp_digit));
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
97 memset(B->dp + 16, 0, (FP_SIZE - 16) * sizeof(fp_digit));
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
98 fp_clamp(B);
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parents:
diff changeset
99 }
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parents:
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100 #endif
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parents:
diff changeset
101
a362b62d38b2 Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a
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parents:
diff changeset
102