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math/mpx-mul4-test.c: Compare and print test outputs by value.
[catacomb] / math / mpx-mul4-test.c
1 /* -*-c-*-
2 *
3 * Testing optimized 128-bit multipliers
4 *
5 * (c) 2017 Straylight/Edgeware
6 */
7
8 /*----- Licensing notice --------------------------------------------------*
9 *
10 * This file is part of Catacomb.
11 *
12 * Catacomb is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Library General Public License as
14 * published by the Free Software Foundation; either version 2 of the
15 * License, or (at your option) any later version.
16 *
17 * Catacomb is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Library General Public License for more details.
21 *
22 * You should have received a copy of the GNU Library General Public
23 * License along with Catacomb; if not, write to the Free
24 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
25 * MA 02111-1307, USA.
26 */
27
28 /*----- Header files ------------------------------------------------------*/
29
30 #include "config.h"
31
32 #include <assert.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36
37 #include <mLib/macros.h>
38 #include <mLib/report.h>
39 #include <mLib/testrig.h>
40
41 #include "dispatch.h"
42 #include "mp.h"
43 #include "mpmont.h"
44 #include "mptext.h"
45
46 /*----- CPU feature detection ---------------------------------------------*/
47
48 #if CPUFAM_X86
49 # define VARIANT _x86_sse2
50 # define REPR_32
51 static int cpu_features_p(void) { return (cpu_feature_p(CPUFEAT_X86_SSE2)); }
52 #endif
53
54 #if CPUFAM_AMD64
55 # define VARIANT _amd64_sse2
56 # define REPR_32
57 static int cpu_features_p(void) { return (cpu_feature_p(CPUFEAT_X86_SSE2)); }
58 #endif
59
60 #ifndef VARIANT
61 # error "Unsupported CPU family."
62 #endif
63
64 #ifdef REPR_32
65 # define NWBY 4
66 # define NDBY 8
67 # define LDW LOAD32
68 # define LDD LOAD64
69 # define STW STORE32
70 # define STD STORE64
71 typedef struct { mpw w[4]; } p128;
72 typedef struct { mpw w[8]; } x128;
73 typedef struct { mpd w[6]; } carry;
74 #endif
75
76 /*----- Test operation table ----------------------------------------------*/
77
78 #define TESTOPS(_) \
79 /* a c u x v y z' y' c' */ \
80 _(dmul4, NIL, CARRY, P128, P128, P128, P128, P128, NIL, CARRY) \
81 _(dmla4, P128, CARRY, P128, P128, P128, P128, P128, NIL, CARRY) \
82 _(mul4, NIL, CARRY, NIL, P128, NIL, P128, P128, NIL, CARRY) \
83 _(mul4zc,NIL, NIL, NIL, P128, NIL, P128, P128, NIL, CARRY) \
84 _(mla4, P128, CARRY, NIL, P128, NIL, P128, P128, NIL, CARRY) \
85 _(mla4zc,P128, NIL, NIL, P128, NIL, P128, P128, NIL, CARRY) \
86 _(mmul4, NIL, NIL, P128, P128, P128, P128, P128, X128, CARRY) \
87 _(mmla4, P128, NIL, P128, P128, P128, P128, P128, X128, CARRY) \
88 _(mont4, P128, NIL, NIL, P128, NIL, P128, P128, X128, CARRY)
89
90 /*----- Assembler test interface ------------------------------------------*/
91
92 #define EMPTY
93
94 #define PARAM(v, ty) ty *v,
95 #define PARAM_NIL(v, q)
96 #define PARAM_P128(v, q) PARAM(v, q p128)
97 #define PARAM_X128(v, q) PARAM(v, q x128)
98 #define PARAM_CARRY(v, q) PARAM(v, q carry)
99
100 #define DECLSTUB(fn, tya, tyc, tyu, tyx, tyv, tyy, tyzz, tyyy, tycc) \
101 extern void test_##fn(PARAM_##tyzz(zz, EMPTY) PARAM_##tycc(cc, EMPTY) \
102 PARAM_##tyyy(yy, EMPTY) \
103 PARAM_##tyu(u, const) PARAM_##tyx(x, const) \
104 PARAM_##tyv(v, const) PARAM_##tyy(y, const) \
105 unsigned n, unsigned long long *cyv);
106 TESTOPS(DECLSTUB)
107
108 /*----- Conversion functions ----------------------------------------------*/
109
110 static mp *combine_mpw(mp *d, const mpw *v, size_t n, unsigned off)
111 {
112 size_t i;
113 unsigned o;
114 mp m, *t = d;
115 mpw w[1];
116
117 d = MP_ZERO;
118 for (i = 0, o = 0; i < n; i++, o += off) {
119 w[0] = v[i]; mp_build(&m, w, w + 1);
120 t = mp_lsl(t, &m, o); d = mp_add(d, d, t);
121 }
122 mp_drop(t); return (d);
123 }
124
125 static mp *combine_mpd(mp *d, const mpd *v, size_t n, unsigned off)
126 {
127 size_t i;
128 unsigned o;
129 mp m, *t = d;
130 mpw w[2];
131
132 d = MP_ZERO;
133 for (i = 0, o = 0; i < n; i++, o += off) {
134 w[0] = MPW(v[i]); w[1] = MPW(v[i] >> MPW_BITS); mp_build(&m, w, w + 2);
135 t = mp_lsl(t, &m, o); d = mp_add(d, d, t);
136 }
137 mp_drop(t); return (d);
138 }
139
140 #define DEFTYPE(ty, ld, st, nby, combfn, off) \
141 \
142 static void cvt_##ty(const char *buf, dstr *d) \
143 { \
144 dstr dd = DSTR_INIT; \
145 int i; \
146 ty *x; \
147 const octet *p; \
148 \
149 type_hex.cvt(buf, &dd); \
150 if (dd.len != N(x->w)*nby) die(1, "invalid length for " #ty); \
151 dstr_ensure(d, sizeof(*x)); d->len = sizeof(*x); \
152 x = (ty *)d->buf; p = (const octet *)dd.buf; \
153 for (i = 0; i < N(x->w); i++) { x->w[i] = ld(p); p += nby; } \
154 dstr_destroy(&dd); \
155 } \
156 \
157 static void dump_##ty(dstr *d, FILE *fp) \
158 { \
159 dstr dd = DSTR_INIT; \
160 int i; \
161 const ty *x = (const ty *)d->buf; \
162 mp *xx = combfn(MP_NEW, x->w, N(x->w), off); \
163 octet *p; \
164 \
165 dstr_ensure(&dd, N(x->w)*nby); p = (octet *)dd.buf; \
166 for (i = 0; i < N(x->w); i++) { st(p, x->w[i]); p += nby; } \
167 dd.len = N(x->w)*nby; \
168 type_hex.dump(&dd, fp); \
169 dstr_destroy(&dd); \
170 \
171 fputs(" = 0x", fp); mp_writefile(xx, fp, 16); \
172 fputs(" = ", fp); mp_writefile(xx, fp, 10); \
173 MP_DROP(xx); \
174 } \
175 \
176 static int eq_##ty(const ty *x, const ty *y) \
177 { \
178 mp *xx = combfn(MP_NEW, x->w, N(x->w), off), \
179 *yy = combfn(MP_NEW, y->w, N(y->w), off); \
180 int rc = MP_EQ(xx, yy); \
181 MP_DROP(xx); MP_DROP(yy); \
182 return (rc); \
183 } \
184 \
185 static const struct test_type type_##ty = { cvt_##ty, dump_##ty };
186
187 DEFTYPE(p128, LDW, STW, NWBY, combine_mpw, MPW_BITS)
188 DEFTYPE(x128, LDW, STW, NWBY, combine_mpw, MPW_BITS/2)
189 DEFTYPE(carry, LDD, STD, NDBY, combine_mpd, MPW_BITS/2)
190
191 /*----- Test functions ----------------------------------------------------*/
192
193 #define DECL_IN(v, ty) \
194 dstr *d_##v = dp++; const ty *v = (const ty *)d_##v->buf;
195 #define DECL_IN_NIL(v)
196 #define DECL_IN_P128(v) DECL_IN(v, p128)
197 #define DECL_IN_X128(v) DECL_IN(v, x128)
198 #define DECL_IN_CARRY(v) DECL_IN(v, carry)
199
200 #define DECL_OUT(v, ty) \
201 dstr dd_##v = DSTR_INIT, *d_##v = &dd_##v; ty *v;
202 #define DECL_OUT_NIL(v)
203 #define DECL_OUT_P128(v) DECL_OUT(v, p128)
204 #define DECL_OUT_X128(v) DECL_OUT(v, x128)
205 #define DECL_OUT_CARRY(v) DECL_OUT(v, carry)
206
207 #define INIT_OUT(v, ty) \
208 dstr_ensure(d_##v, sizeof(ty)); v = (ty *)d_##v->buf;
209 #define INIT_OUT_NIL(v)
210 #define INIT_OUT_P128(v) INIT_OUT(v, p128)
211 #define INIT_OUT_X128(v) INIT_OUT(v, x128)
212 #define INIT_OUT_CARRY(v) INIT_OUT(v, carry)
213
214 #define ARG(v) , v
215 #define ARG_NIL(v)
216 #define ARG_P128(v) ARG(v)
217 #define ARG_X128(v) ARG(v)
218 #define ARG_CARRY(v) ARG(v)
219
220 #define CHECK(v, vv, ty) if (!eq_##ty(v, vv)) ok = 0;
221 #define CHECK_NIL(v, vv)
222 #define CHECK_P128(v, vv) CHECK(v, vv, p128)
223 #define CHECK_X128(v, vv) CHECK(v, vv, x128)
224 #define CHECK_CARRY(v, vv) CHECK(v, vv, carry)
225
226 #define DUMP(v, ty) \
227 fprintf(stderr, "\n\t%-6s = ", #v); dump_##ty(d_##v, stderr);
228 #define DUMP_NIL(v)
229 #define DUMP_P128(v) DUMP(v, p128)
230 #define DUMP_X128(v) DUMP(v, x128)
231 #define DUMP_CARRY(v) DUMP(v, carry)
232
233 #define COPY(v, vv, ty) *v = *vv;
234 #define COPY_NIL(v, vv)
235 #define COPY_P128(v, vv) COPY(v, vv, p128)
236 #define COPY_X128(v, vv) COPY(v, vv, x128)
237 #define COPY_CARRY(v, vv) COPY(v, vv, carry)
238
239 #define FREE_OUT(v, ty) dstr_destroy(d_##v);
240 #define FREE_OUT_NIL(v)
241 #define FREE_OUT_P128(v) FREE_OUT(v, p128)
242 #define FREE_OUT_X128(v) FREE_OUT(v, x128)
243 #define FREE_OUT_CARRY(v) FREE_OUT(v, carry)
244
245 #define DEFTESTFN(fn, tya, tyc, tyu, tyx, tyv, tyy, tyzz, tyyy, tycc) \
246 \
247 static int v##fn(dstr dv[]) \
248 { \
249 dstr *dp = dv; \
250 DECL_IN_##tya(a) \
251 DECL_IN_##tyc(c) \
252 DECL_IN_##tyu(u) \
253 DECL_IN_##tyx(x) \
254 DECL_IN_##tyv(v) \
255 DECL_IN_##tyy(y) \
256 DECL_IN_##tyzz(zz_exp) \
257 DECL_IN_##tyyy(yy_exp) \
258 DECL_IN_##tycc(cc_exp) \
259 DECL_OUT_##tyzz(zz_out) \
260 DECL_OUT_##tyyy(yy_out) \
261 DECL_OUT_##tycc(cc_out) \
262 unsigned long long cyv[1]; \
263 int ok = 1; \
264 \
265 INIT_OUT_##tyzz(zz_out) \
266 INIT_OUT_##tyyy(yy_out) \
267 INIT_OUT_##tycc(cc_out) \
268 \
269 COPY_##tya(zz_out, a); \
270 COPY_##tyc(cc_out, c); \
271 test_##fn(zz_out ARG_##tycc(cc_out) ARG_##tyyy(yy_out) \
272 ARG_##tyu(u) ARG_##tyx(x) ARG_##tyv(v) ARG_##tyy(y), \
273 1, cyv); \
274 CHECK_##tyzz(zz_exp, zz_out) \
275 CHECK_##tyyy(yy_exp, yy_out) \
276 CHECK_##tycc(cc_exp, cc_out) \
277 \
278 if (!ok) { \
279 fputs(#fn " failed", stderr); \
280 DUMP_##tya(a) \
281 DUMP_##tyc(c) \
282 DUMP_##tyu(u) \
283 DUMP_##tyx(x) \
284 DUMP_##tyv(v) \
285 DUMP_##tyy(y) \
286 DUMP_##tyzz(zz_exp) \
287 DUMP_##tyzz(zz_out) \
288 DUMP_##tyyy(yy_exp) \
289 DUMP_##tyyy(yy_out) \
290 DUMP_##tycc(cc_exp) \
291 DUMP_##tycc(cc_out) \
292 fputc('\n', stderr); \
293 } \
294 \
295 FREE_OUT_##tyzz(zz_out); \
296 FREE_OUT_##tyyy(yy_out); \
297 FREE_OUT_##tycc(cc_out); \
298 \
299 return (ok); \
300 }
301
302 TESTOPS(DEFTESTFN)
303
304 /*----- Main code ---------------------------------------------------------*/
305
306 #define NIL
307 #define P128 &type_p128,
308 #define X128 &type_x128,
309 #define CARRY &type_carry,
310
311 static test_chunk tests[] = {
312 #define DEFCHUNK(fn, tya, tyc, tyu, tyx, tyv, tyy, tyzz, tyyy, tycc) \
313 { #fn, v##fn, { tya tyc tyu tyx tyv tyy tyzz tyyy tycc } },
314 TESTOPS(DEFCHUNK)
315 #undef DEFCHUNK
316 { 0, 0, { 0 } }
317 };
318
319 int main(int argc, char *argv[])
320 {
321 sub_init();
322 if (!cpu_features_p())
323 { fprintf(stderr, "required cpu feature not available\n"); exit(77); }
324 test_run(argc, argv, tests, SRCDIR "/t/mpx-mul4");
325 return (0);
326 }
327
328 /*----- That's all, folks -------------------------------------------------*/
Catacomb cryptographic library