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Initialize the register dumping machinery while testing assembler code.
[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 #ifdef ENABLE_ASM_DEBUG
33 # include "regdump.h"
34 #endif
35
36 #include <assert.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40
41 #include <mLib/macros.h>
42 #include <mLib/report.h>
43 #include <mLib/testrig.h>
44
45 #include "dispatch.h"
46 #include "mp.h"
47 #include "mpmont.h"
48 #include "mptext.h"
49
50 /*----- CPU feature detection ---------------------------------------------*/
51
52 #if CPUFAM_X86
53 # define VARIANT _x86_sse2
54 # define REPR_32
55 static int cpu_features_p(void) { return (cpu_feature_p(CPUFEAT_X86_SSE2)); }
56 #endif
57
58 #if CPUFAM_AMD64
59 # define VARIANT _amd64_sse2
60 # define REPR_32
61 static int cpu_features_p(void) { return (cpu_feature_p(CPUFEAT_X86_SSE2)); }
62 #endif
63
64 #ifndef VARIANT
65 # error "Unsupported CPU family."
66 #endif
67
68 #ifdef REPR_32
69 # define NWBY 4
70 # define NDBY 8
71 # define LDW LOAD32
72 # define LDD LOAD64
73 # define STW STORE32
74 # define STD STORE64
75 typedef struct { mpw w[4]; } p128;
76 typedef struct { mpw w[8]; } x128;
77 typedef struct { mpd w[6]; } carry;
78 #endif
79
80 /*----- Test operation table ----------------------------------------------*/
81
82 #define TESTOPS(_) \
83 /* a c u x v y z' y' c' */ \
84 _(dmul4, NIL, CARRY, P128, P128, P128, P128, P128, NIL, CARRY) \
85 _(dmla4, P128, CARRY, P128, P128, P128, P128, P128, NIL, CARRY) \
86 _(mul4, NIL, CARRY, NIL, P128, NIL, P128, P128, NIL, CARRY) \
87 _(mul4zc,NIL, NIL, NIL, P128, NIL, P128, P128, NIL, CARRY) \
88 _(mla4, P128, CARRY, NIL, P128, NIL, P128, P128, NIL, CARRY) \
89 _(mla4zc,P128, NIL, NIL, P128, NIL, P128, P128, NIL, CARRY) \
90 _(mmul4, NIL, NIL, P128, P128, P128, P128, P128, X128, CARRY) \
91 _(mmla4, P128, NIL, P128, P128, P128, P128, P128, X128, CARRY) \
92 _(mont4, P128, NIL, NIL, P128, NIL, P128, P128, X128, CARRY)
93
94 /*----- Assembler test interface ------------------------------------------*/
95
96 #define EMPTY
97
98 #define PARAM(v, ty) ty *v,
99 #define PARAM_NIL(v, q)
100 #define PARAM_P128(v, q) PARAM(v, q p128)
101 #define PARAM_X128(v, q) PARAM(v, q x128)
102 #define PARAM_CARRY(v, q) PARAM(v, q carry)
103
104 #define DECLSTUB(fn, tya, tyc, tyu, tyx, tyv, tyy, tyzz, tyyy, tycc) \
105 extern void test_##fn(PARAM_##tyzz(zz, EMPTY) PARAM_##tycc(cc, EMPTY) \
106 PARAM_##tyyy(yy, EMPTY) \
107 PARAM_##tyu(u, const) PARAM_##tyx(x, const) \
108 PARAM_##tyv(v, const) PARAM_##tyy(y, const) \
109 unsigned n, unsigned long long *cyv);
110 TESTOPS(DECLSTUB)
111
112 /*----- Conversion functions ----------------------------------------------*/
113
114 static mp *combine_mpw(mp *d, const mpw *v, size_t n, unsigned off)
115 {
116 size_t i;
117 unsigned o;
118 mp m, *t = d;
119 mpw w[1];
120
121 d = MP_ZERO;
122 for (i = 0, o = 0; i < n; i++, o += off) {
123 w[0] = v[i]; mp_build(&m, w, w + 1);
124 t = mp_lsl(t, &m, o); d = mp_add(d, d, t);
125 }
126 mp_drop(t); return (d);
127 }
128
129 static mp *combine_mpd(mp *d, const mpd *v, size_t n, unsigned off)
130 {
131 size_t i;
132 unsigned o;
133 mp m, *t = d;
134 mpw w[2];
135
136 d = MP_ZERO;
137 for (i = 0, o = 0; i < n; i++, o += off) {
138 w[0] = MPW(v[i]); w[1] = MPW(v[i] >> MPW_BITS); mp_build(&m, w, w + 2);
139 t = mp_lsl(t, &m, o); d = mp_add(d, d, t);
140 }
141 mp_drop(t); return (d);
142 }
143
144 #define DEFTYPE(ty, ld, st, nby, combfn, off) \
145 \
146 static void cvt_##ty(const char *buf, dstr *d) \
147 { \
148 dstr dd = DSTR_INIT; \
149 int i; \
150 ty *x; \
151 const octet *p; \
152 \
153 type_hex.cvt(buf, &dd); \
154 if (dd.len != N(x->w)*nby) die(1, "invalid length for " #ty); \
155 dstr_ensure(d, sizeof(*x)); d->len = sizeof(*x); \
156 x = (ty *)d->buf; p = (const octet *)dd.buf; \
157 for (i = 0; i < N(x->w); i++) { x->w[i] = ld(p); p += nby; } \
158 dstr_destroy(&dd); \
159 } \
160 \
161 static void dump_##ty(dstr *d, FILE *fp) \
162 { \
163 dstr dd = DSTR_INIT; \
164 int i; \
165 const ty *x = (const ty *)d->buf; \
166 mp *xx = combfn(MP_NEW, x->w, N(x->w), off); \
167 octet *p; \
168 \
169 dstr_ensure(&dd, N(x->w)*nby); p = (octet *)dd.buf; \
170 for (i = 0; i < N(x->w); i++) { st(p, x->w[i]); p += nby; } \
171 dd.len = N(x->w)*nby; \
172 type_hex.dump(&dd, fp); \
173 dstr_destroy(&dd); \
174 \
175 fputs(" = 0x", fp); mp_writefile(xx, fp, 16); \
176 fputs(" = ", fp); mp_writefile(xx, fp, 10); \
177 MP_DROP(xx); \
178 } \
179 \
180 static int eq_##ty(const ty *x, const ty *y) \
181 { \
182 mp *xx = combfn(MP_NEW, x->w, N(x->w), off), \
183 *yy = combfn(MP_NEW, y->w, N(y->w), off); \
184 int rc = MP_EQ(xx, yy); \
185 MP_DROP(xx); MP_DROP(yy); \
186 return (rc); \
187 } \
188 \
189 static const struct test_type type_##ty = { cvt_##ty, dump_##ty };
190
191 DEFTYPE(p128, LDW, STW, NWBY, combine_mpw, MPW_BITS)
192 DEFTYPE(x128, LDW, STW, NWBY, combine_mpw, MPW_BITS/2)
193 DEFTYPE(carry, LDD, STD, NDBY, combine_mpd, MPW_BITS/2)
194
195 /*----- Test functions ----------------------------------------------------*/
196
197 #define DECL_IN(v, ty) \
198 dstr *d_##v = dp++; const ty *v = (const ty *)d_##v->buf;
199 #define DECL_IN_NIL(v)
200 #define DECL_IN_P128(v) DECL_IN(v, p128)
201 #define DECL_IN_X128(v) DECL_IN(v, x128)
202 #define DECL_IN_CARRY(v) DECL_IN(v, carry)
203
204 #define DECL_OUT(v, ty) \
205 dstr dd_##v = DSTR_INIT, *d_##v = &dd_##v; ty *v;
206 #define DECL_OUT_NIL(v)
207 #define DECL_OUT_P128(v) DECL_OUT(v, p128)
208 #define DECL_OUT_X128(v) DECL_OUT(v, x128)
209 #define DECL_OUT_CARRY(v) DECL_OUT(v, carry)
210
211 #define INIT_OUT(v, ty) \
212 dstr_ensure(d_##v, sizeof(ty)); v = (ty *)d_##v->buf;
213 #define INIT_OUT_NIL(v)
214 #define INIT_OUT_P128(v) INIT_OUT(v, p128)
215 #define INIT_OUT_X128(v) INIT_OUT(v, x128)
216 #define INIT_OUT_CARRY(v) INIT_OUT(v, carry)
217
218 #define ARG(v) , v
219 #define ARG_NIL(v)
220 #define ARG_P128(v) ARG(v)
221 #define ARG_X128(v) ARG(v)
222 #define ARG_CARRY(v) ARG(v)
223
224 #define CHECK(v, vv, ty) if (!eq_##ty(v, vv)) ok = 0;
225 #define CHECK_NIL(v, vv)
226 #define CHECK_P128(v, vv) CHECK(v, vv, p128)
227 #define CHECK_X128(v, vv) CHECK(v, vv, x128)
228 #define CHECK_CARRY(v, vv) CHECK(v, vv, carry)
229
230 #define DUMP(v, ty) \
231 fprintf(stderr, "\n\t%-6s = ", #v); dump_##ty(d_##v, stderr);
232 #define DUMP_NIL(v)
233 #define DUMP_P128(v) DUMP(v, p128)
234 #define DUMP_X128(v) DUMP(v, x128)
235 #define DUMP_CARRY(v) DUMP(v, carry)
236
237 #define COPY(v, vv, ty) *v = *vv;
238 #define COPY_NIL(v, vv)
239 #define COPY_P128(v, vv) COPY(v, vv, p128)
240 #define COPY_X128(v, vv) COPY(v, vv, x128)
241 #define COPY_CARRY(v, vv) COPY(v, vv, carry)
242
243 #define FREE_OUT(v, ty) dstr_destroy(d_##v);
244 #define FREE_OUT_NIL(v)
245 #define FREE_OUT_P128(v) FREE_OUT(v, p128)
246 #define FREE_OUT_X128(v) FREE_OUT(v, x128)
247 #define FREE_OUT_CARRY(v) FREE_OUT(v, carry)
248
249 #define DEFTESTFN(fn, tya, tyc, tyu, tyx, tyv, tyy, tyzz, tyyy, tycc) \
250 \
251 static int v##fn(dstr dv[]) \
252 { \
253 dstr *dp = dv; \
254 DECL_IN_##tya(a) \
255 DECL_IN_##tyc(c) \
256 DECL_IN_##tyu(u) \
257 DECL_IN_##tyx(x) \
258 DECL_IN_##tyv(v) \
259 DECL_IN_##tyy(y) \
260 DECL_IN_##tyzz(zz_exp) \
261 DECL_IN_##tyyy(yy_exp) \
262 DECL_IN_##tycc(cc_exp) \
263 DECL_OUT_##tyzz(zz_out) \
264 DECL_OUT_##tyyy(yy_out) \
265 DECL_OUT_##tycc(cc_out) \
266 unsigned long long cyv[1]; \
267 int ok = 1; \
268 \
269 INIT_OUT_##tyzz(zz_out) \
270 INIT_OUT_##tyyy(yy_out) \
271 INIT_OUT_##tycc(cc_out) \
272 \
273 COPY_##tya(zz_out, a); \
274 COPY_##tyc(cc_out, c); \
275 test_##fn(zz_out ARG_##tycc(cc_out) ARG_##tyyy(yy_out) \
276 ARG_##tyu(u) ARG_##tyx(x) ARG_##tyv(v) ARG_##tyy(y), \
277 1, cyv); \
278 CHECK_##tyzz(zz_exp, zz_out) \
279 CHECK_##tyyy(yy_exp, yy_out) \
280 CHECK_##tycc(cc_exp, cc_out) \
281 \
282 if (!ok) { \
283 fputs(#fn " failed", stderr); \
284 DUMP_##tya(a) \
285 DUMP_##tyc(c) \
286 DUMP_##tyu(u) \
287 DUMP_##tyx(x) \
288 DUMP_##tyv(v) \
289 DUMP_##tyy(y) \
290 DUMP_##tyzz(zz_exp) \
291 DUMP_##tyzz(zz_out) \
292 DUMP_##tyyy(yy_exp) \
293 DUMP_##tyyy(yy_out) \
294 DUMP_##tycc(cc_exp) \
295 DUMP_##tycc(cc_out) \
296 fputc('\n', stderr); \
297 } \
298 \
299 FREE_OUT_##tyzz(zz_out); \
300 FREE_OUT_##tyyy(yy_out); \
301 FREE_OUT_##tycc(cc_out); \
302 \
303 return (ok); \
304 }
305
306 TESTOPS(DEFTESTFN)
307
308 /*----- Main code ---------------------------------------------------------*/
309
310 #define NIL
311 #define P128 &type_p128,
312 #define X128 &type_x128,
313 #define CARRY &type_carry,
314
315 static test_chunk tests[] = {
316 #define DEFCHUNK(fn, tya, tyc, tyu, tyx, tyv, tyy, tyzz, tyyy, tycc) \
317 { #fn, v##fn, { tya tyc tyu tyx tyv tyy tyzz tyyy tycc } },
318 TESTOPS(DEFCHUNK)
319 #undef DEFCHUNK
320 { 0, 0, { 0 } }
321 };
322
323 int main(int argc, char *argv[])
324 {
325 sub_init();
326 #ifdef ENABLE_ASM_DEBUG
327 regdump_init();
328 #endif
329 if (!cpu_features_p())
330 { fprintf(stderr, "required cpu feature not available\n"); exit(77); }
331 test_run(argc, argv, tests, SRCDIR "/t/mpx-mul4");
332 return (0);
333 }
334
335 /*----- That's all, folks -------------------------------------------------*/
Catacomb cryptographic library