progs/perftest.c: Use from Glibc syscall numbers.
[catacomb] / math / mpx-mul4-test.c
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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
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32#ifdef ENABLE_ASM_DEBUG
33# include "regdump.h"
34#endif
35
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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
55static 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
61static int cpu_features_p(void) { return (cpu_feature_p(CPUFEAT_X86_SSE2)); }
62#endif
63
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64#if CPUFAM_ARMEL
65# define VARIANT _arm_neon
66# define REPR_32
67static int cpu_features_p(void) { return (cpu_feature_p(CPUFEAT_ARM_NEON)); }
68#endif
69
70#if CPUFAM_ARM64
71# define VARIANT _arm64_simd
72# define REPR_32
73static int cpu_features_p(void) { return (1); }
74#endif
75
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76#ifndef VARIANT
77# error "Unsupported CPU family."
78#endif
79
80#ifdef REPR_32
81# define NWBY 4
82# define NDBY 8
83# define LDW LOAD32
84# define LDD LOAD64
85# define STW STORE32
86# define STD STORE64
87typedef struct { mpw w[4]; } p128;
88typedef struct { mpw w[8]; } x128;
89typedef struct { mpd w[6]; } carry;
90#endif
91
92/*----- Test operation table ----------------------------------------------*/
93
94#define TESTOPS(_) \
95 /* a c u x v y z' y' c' */ \
96 _(dmul4, NIL, CARRY, P128, P128, P128, P128, P128, NIL, CARRY) \
97 _(dmla4, P128, CARRY, P128, P128, P128, P128, P128, NIL, CARRY) \
98 _(mul4, NIL, CARRY, NIL, P128, NIL, P128, P128, NIL, CARRY) \
d0d41c6e 99 _(mul4zc,NIL, NIL, NIL, P128, NIL, P128, P128, NIL, CARRY) \
7ba379a6 100 _(mla4, P128, CARRY, NIL, P128, NIL, P128, P128, NIL, CARRY) \
d0d41c6e 101 _(mla4zc,P128, NIL, NIL, P128, NIL, P128, P128, NIL, CARRY) \
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102 _(mmul4, NIL, NIL, P128, P128, P128, P128, P128, X128, CARRY) \
103 _(mmla4, P128, NIL, P128, P128, P128, P128, P128, X128, CARRY) \
104 _(mont4, P128, NIL, NIL, P128, NIL, P128, P128, X128, CARRY)
105
106/*----- Assembler test interface ------------------------------------------*/
107
108#define EMPTY
109
110#define PARAM(v, ty) ty *v,
111#define PARAM_NIL(v, q)
112#define PARAM_P128(v, q) PARAM(v, q p128)
113#define PARAM_X128(v, q) PARAM(v, q x128)
114#define PARAM_CARRY(v, q) PARAM(v, q carry)
115
116#define DECLSTUB(fn, tya, tyc, tyu, tyx, tyv, tyy, tyzz, tyyy, tycc) \
117 extern void test_##fn(PARAM_##tyzz(zz, EMPTY) PARAM_##tycc(cc, EMPTY) \
118 PARAM_##tyyy(yy, EMPTY) \
119 PARAM_##tyu(u, const) PARAM_##tyx(x, const) \
120 PARAM_##tyv(v, const) PARAM_##tyy(y, const) \
121 unsigned n, unsigned long long *cyv);
122TESTOPS(DECLSTUB)
123
124/*----- Conversion functions ----------------------------------------------*/
125
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126static mp *combine_mpw(mp *d, const mpw *v, size_t n, unsigned off)
127{
128 size_t i;
129 unsigned o;
130 mp m, *t = d;
131 mpw w[1];
132
133 d = MP_ZERO;
134 for (i = 0, o = 0; i < n; i++, o += off) {
135 w[0] = v[i]; mp_build(&m, w, w + 1);
136 t = mp_lsl(t, &m, o); d = mp_add(d, d, t);
137 }
138 mp_drop(t); return (d);
139}
140
141static mp *combine_mpd(mp *d, const mpd *v, size_t n, unsigned off)
142{
143 size_t i;
144 unsigned o;
145 mp m, *t = d;
146 mpw w[2];
147
148 d = MP_ZERO;
149 for (i = 0, o = 0; i < n; i++, o += off) {
150 w[0] = MPW(v[i]); w[1] = MPW(v[i] >> MPW_BITS); mp_build(&m, w, w + 2);
151 t = mp_lsl(t, &m, o); d = mp_add(d, d, t);
152 }
153 mp_drop(t); return (d);
154}
155
156#define DEFTYPE(ty, ld, st, nby, combfn, off) \
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157 \
158 static void cvt_##ty(const char *buf, dstr *d) \
159 { \
160 dstr dd = DSTR_INIT; \
161 int i; \
162 ty *x; \
163 const octet *p; \
164 \
165 type_hex.cvt(buf, &dd); \
166 if (dd.len != N(x->w)*nby) die(1, "invalid length for " #ty); \
b00264d9 167 dstr_ensure(d, sizeof(*x)); d->len = sizeof(*x); \
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168 x = (ty *)d->buf; p = (const octet *)dd.buf; \
169 for (i = 0; i < N(x->w); i++) { x->w[i] = ld(p); p += nby; } \
170 dstr_destroy(&dd); \
171 } \
172 \
173 static void dump_##ty(dstr *d, FILE *fp) \
174 { \
175 dstr dd = DSTR_INIT; \
176 int i; \
177 const ty *x = (const ty *)d->buf; \
44cf74d5 178 mp *xx = combfn(MP_NEW, x->w, N(x->w), off); \
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179 octet *p; \
180 \
181 dstr_ensure(&dd, N(x->w)*nby); p = (octet *)dd.buf; \
182 for (i = 0; i < N(x->w); i++) { st(p, x->w[i]); p += nby; } \
183 dd.len = N(x->w)*nby; \
184 type_hex.dump(&dd, fp); \
185 dstr_destroy(&dd); \
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186 \
187 fputs(" = 0x", fp); mp_writefile(xx, fp, 16); \
188 fputs(" = ", fp); mp_writefile(xx, fp, 10); \
189 MP_DROP(xx); \
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190 } \
191 \
192 static int eq_##ty(const ty *x, const ty *y) \
193 { \
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194 mp *xx = combfn(MP_NEW, x->w, N(x->w), off), \
195 *yy = combfn(MP_NEW, y->w, N(y->w), off); \
196 int rc = MP_EQ(xx, yy); \
197 MP_DROP(xx); MP_DROP(yy); \
198 return (rc); \
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199 } \
200 \
201 static const struct test_type type_##ty = { cvt_##ty, dump_##ty };
202
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203DEFTYPE(p128, LDW, STW, NWBY, combine_mpw, MPW_BITS)
204DEFTYPE(x128, LDW, STW, NWBY, combine_mpw, MPW_BITS/2)
205DEFTYPE(carry, LDD, STD, NDBY, combine_mpd, MPW_BITS/2)
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206
207/*----- Test functions ----------------------------------------------------*/
208
209#define DECL_IN(v, ty) \
210 dstr *d_##v = dp++; const ty *v = (const ty *)d_##v->buf;
211#define DECL_IN_NIL(v)
212#define DECL_IN_P128(v) DECL_IN(v, p128)
213#define DECL_IN_X128(v) DECL_IN(v, x128)
214#define DECL_IN_CARRY(v) DECL_IN(v, carry)
215
216#define DECL_OUT(v, ty) \
217 dstr dd_##v = DSTR_INIT, *d_##v = &dd_##v; ty *v;
218#define DECL_OUT_NIL(v)
219#define DECL_OUT_P128(v) DECL_OUT(v, p128)
220#define DECL_OUT_X128(v) DECL_OUT(v, x128)
221#define DECL_OUT_CARRY(v) DECL_OUT(v, carry)
222
223#define INIT_OUT(v, ty) \
224 dstr_ensure(d_##v, sizeof(ty)); v = (ty *)d_##v->buf;
225#define INIT_OUT_NIL(v)
226#define INIT_OUT_P128(v) INIT_OUT(v, p128)
227#define INIT_OUT_X128(v) INIT_OUT(v, x128)
228#define INIT_OUT_CARRY(v) INIT_OUT(v, carry)
229
230#define ARG(v) , v
231#define ARG_NIL(v)
232#define ARG_P128(v) ARG(v)
233#define ARG_X128(v) ARG(v)
234#define ARG_CARRY(v) ARG(v)
235
236#define CHECK(v, vv, ty) if (!eq_##ty(v, vv)) ok = 0;
237#define CHECK_NIL(v, vv)
238#define CHECK_P128(v, vv) CHECK(v, vv, p128)
239#define CHECK_X128(v, vv) CHECK(v, vv, x128)
240#define CHECK_CARRY(v, vv) CHECK(v, vv, carry)
241
242#define DUMP(v, ty) \
243 fprintf(stderr, "\n\t%-6s = ", #v); dump_##ty(d_##v, stderr);
244#define DUMP_NIL(v)
245#define DUMP_P128(v) DUMP(v, p128)
246#define DUMP_X128(v) DUMP(v, x128)
247#define DUMP_CARRY(v) DUMP(v, carry)
248
249#define COPY(v, vv, ty) *v = *vv;
250#define COPY_NIL(v, vv)
251#define COPY_P128(v, vv) COPY(v, vv, p128)
252#define COPY_X128(v, vv) COPY(v, vv, x128)
253#define COPY_CARRY(v, vv) COPY(v, vv, carry)
254
255#define FREE_OUT(v, ty) dstr_destroy(d_##v);
256#define FREE_OUT_NIL(v)
257#define FREE_OUT_P128(v) FREE_OUT(v, p128)
258#define FREE_OUT_X128(v) FREE_OUT(v, x128)
259#define FREE_OUT_CARRY(v) FREE_OUT(v, carry)
260
261#define DEFTESTFN(fn, tya, tyc, tyu, tyx, tyv, tyy, tyzz, tyyy, tycc) \
262 \
263 static int v##fn(dstr dv[]) \
264 { \
265 dstr *dp = dv; \
266 DECL_IN_##tya(a) \
267 DECL_IN_##tyc(c) \
268 DECL_IN_##tyu(u) \
269 DECL_IN_##tyx(x) \
270 DECL_IN_##tyv(v) \
271 DECL_IN_##tyy(y) \
272 DECL_IN_##tyzz(zz_exp) \
273 DECL_IN_##tyyy(yy_exp) \
274 DECL_IN_##tycc(cc_exp) \
275 DECL_OUT_##tyzz(zz_out) \
276 DECL_OUT_##tyyy(yy_out) \
277 DECL_OUT_##tycc(cc_out) \
278 unsigned long long cyv[1]; \
279 int ok = 1; \
280 \
281 INIT_OUT_##tyzz(zz_out) \
282 INIT_OUT_##tyyy(yy_out) \
283 INIT_OUT_##tycc(cc_out) \
284 \
285 COPY_##tya(zz_out, a); \
286 COPY_##tyc(cc_out, c); \
287 test_##fn(zz_out ARG_##tycc(cc_out) ARG_##tyyy(yy_out) \
288 ARG_##tyu(u) ARG_##tyx(x) ARG_##tyv(v) ARG_##tyy(y), \
289 1, cyv); \
290 CHECK_##tyzz(zz_exp, zz_out) \
291 CHECK_##tyyy(yy_exp, yy_out) \
292 CHECK_##tycc(cc_exp, cc_out) \
293 \
294 if (!ok) { \
295 fputs(#fn " failed", stderr); \
296 DUMP_##tya(a) \
297 DUMP_##tyc(c) \
298 DUMP_##tyu(u) \
299 DUMP_##tyx(x) \
300 DUMP_##tyv(v) \
301 DUMP_##tyy(y) \
302 DUMP_##tyzz(zz_exp) \
303 DUMP_##tyzz(zz_out) \
304 DUMP_##tyyy(yy_exp) \
305 DUMP_##tyyy(yy_out) \
306 DUMP_##tycc(cc_exp) \
307 DUMP_##tycc(cc_out) \
308 fputc('\n', stderr); \
309 } \
310 \
311 FREE_OUT_##tyzz(zz_out); \
312 FREE_OUT_##tyyy(yy_out); \
313 FREE_OUT_##tycc(cc_out); \
314 \
315 return (ok); \
316 }
317
318TESTOPS(DEFTESTFN)
319
320/*----- Main code ---------------------------------------------------------*/
321
322#define NIL
323#define P128 &type_p128,
324#define X128 &type_x128,
325#define CARRY &type_carry,
326
327static test_chunk tests[] = {
328#define DEFCHUNK(fn, tya, tyc, tyu, tyx, tyv, tyy, tyzz, tyyy, tycc) \
329 { #fn, v##fn, { tya tyc tyu tyx tyv tyy tyzz tyyy tycc } },
330 TESTOPS(DEFCHUNK)
331#undef DEFCHUNK
332 { 0, 0, { 0 } }
333};
334
335int main(int argc, char *argv[])
336{
337 sub_init();
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338#ifdef ENABLE_ASM_DEBUG
339 regdump_init();
340#endif
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341 if (!cpu_features_p())
342 { fprintf(stderr, "required cpu feature not available\n"); exit(77); }
1e8abdf5 343 test_run(argc, argv, tests, SRCDIR "/t/mpx-mul4");
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344 return (0);
345}
346
347/*----- That's all, folks -------------------------------------------------*/