+/* -*-c-*-
+ *
+ * Testing optimized 128-bit multipliers
+ *
+ * (c) 2017 Straylight/Edgeware
+ */
+
+/*----- Licensing notice --------------------------------------------------*
+ *
+ * This file is part of Catacomb.
+ *
+ * Catacomb is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * Catacomb is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with Catacomb; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+/*----- Header files ------------------------------------------------------*/
+
+#include "config.h"
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <mLib/macros.h>
+#include <mLib/report.h>
+#include <mLib/testrig.h>
+
+#include "dispatch.h"
+#include "mp.h"
+#include "mpmont.h"
+#include "mptext.h"
+
+/*----- CPU feature detection ---------------------------------------------*/
+
+#if CPUFAM_X86
+# define VARIANT _x86_sse2
+# define REPR_32
+static int cpu_features_p(void) { return (cpu_feature_p(CPUFEAT_X86_SSE2)); }
+#endif
+
+#if CPUFAM_AMD64
+# define VARIANT _amd64_sse2
+# define REPR_32
+static int cpu_features_p(void) { return (cpu_feature_p(CPUFEAT_X86_SSE2)); }
+#endif
+
+#ifndef VARIANT
+# error "Unsupported CPU family."
+#endif
+
+#ifdef REPR_32
+# define NWBY 4
+# define NDBY 8
+# define LDW LOAD32
+# define LDD LOAD64
+# define STW STORE32
+# define STD STORE64
+typedef struct { mpw w[4]; } p128;
+typedef struct { mpw w[8]; } x128;
+typedef struct { mpd w[6]; } carry;
+#endif
+
+/*----- Test operation table ----------------------------------------------*/
+
+#define TESTOPS(_) \
+ /* a c u x v y z' y' c' */ \
+ _(dmul4, NIL, CARRY, P128, P128, P128, P128, P128, NIL, CARRY) \
+ _(dmla4, P128, CARRY, P128, P128, P128, P128, P128, NIL, CARRY) \
+ _(mul4, NIL, CARRY, NIL, P128, NIL, P128, P128, NIL, CARRY) \
+ _(mla4, P128, CARRY, NIL, P128, NIL, P128, P128, NIL, CARRY) \
+ _(mmul4, NIL, NIL, P128, P128, P128, P128, P128, X128, CARRY) \
+ _(mmla4, P128, NIL, P128, P128, P128, P128, P128, X128, CARRY) \
+ _(mont4, P128, NIL, NIL, P128, NIL, P128, P128, X128, CARRY)
+
+/*----- Assembler test interface ------------------------------------------*/
+
+#define EMPTY
+
+#define PARAM(v, ty) ty *v,
+#define PARAM_NIL(v, q)
+#define PARAM_P128(v, q) PARAM(v, q p128)
+#define PARAM_X128(v, q) PARAM(v, q x128)
+#define PARAM_CARRY(v, q) PARAM(v, q carry)
+
+#define DECLSTUB(fn, tya, tyc, tyu, tyx, tyv, tyy, tyzz, tyyy, tycc) \
+ extern void test_##fn(PARAM_##tyzz(zz, EMPTY) PARAM_##tycc(cc, EMPTY) \
+ PARAM_##tyyy(yy, EMPTY) \
+ PARAM_##tyu(u, const) PARAM_##tyx(x, const) \
+ PARAM_##tyv(v, const) PARAM_##tyy(y, const) \
+ unsigned n, unsigned long long *cyv);
+TESTOPS(DECLSTUB)
+
+/*----- Conversion functions ----------------------------------------------*/
+
+#define DEFTYPE(ty, ld, st, nby) \
+ \
+ static void cvt_##ty(const char *buf, dstr *d) \
+ { \
+ dstr dd = DSTR_INIT; \
+ int i; \
+ ty *x; \
+ const octet *p; \
+ \
+ type_hex.cvt(buf, &dd); \
+ if (dd.len != N(x->w)*nby) die(1, "invalid length for " #ty); \
+ dstr_ensure(d, sizeof(*x)); \
+ x = (ty *)d->buf; p = (const octet *)dd.buf; \
+ for (i = 0; i < N(x->w); i++) { x->w[i] = ld(p); p += nby; } \
+ dstr_destroy(&dd); \
+ } \
+ \
+ static void dump_##ty(dstr *d, FILE *fp) \
+ { \
+ dstr dd = DSTR_INIT; \
+ int i; \
+ const ty *x = (const ty *)d->buf; \
+ octet *p; \
+ \
+ dstr_ensure(&dd, N(x->w)*nby); p = (octet *)dd.buf; \
+ for (i = 0; i < N(x->w); i++) { st(p, x->w[i]); p += nby; } \
+ dd.len = N(x->w)*nby; \
+ type_hex.dump(&dd, fp); \
+ dstr_destroy(&dd); \
+ } \
+ \
+ static int eq_##ty(const ty *x, const ty *y) \
+ { \
+ int i; \
+ \
+ for (i = 0; i < N(x->w); i++) \
+ if (x->w[i] != y->w[i]) return (0); \
+ return (1); \
+ } \
+ \
+ static const struct test_type type_##ty = { cvt_##ty, dump_##ty };
+
+DEFTYPE(p128, LDW, STW, NWBY)
+DEFTYPE(x128, LDW, STW, NWBY)
+DEFTYPE(carry, LDD, STD, NDBY)
+
+/*----- Test functions ----------------------------------------------------*/
+
+#define DECL_IN(v, ty) \
+ dstr *d_##v = dp++; const ty *v = (const ty *)d_##v->buf;
+#define DECL_IN_NIL(v)
+#define DECL_IN_P128(v) DECL_IN(v, p128)
+#define DECL_IN_X128(v) DECL_IN(v, x128)
+#define DECL_IN_CARRY(v) DECL_IN(v, carry)
+
+#define DECL_OUT(v, ty) \
+ dstr dd_##v = DSTR_INIT, *d_##v = &dd_##v; ty *v;
+#define DECL_OUT_NIL(v)
+#define DECL_OUT_P128(v) DECL_OUT(v, p128)
+#define DECL_OUT_X128(v) DECL_OUT(v, x128)
+#define DECL_OUT_CARRY(v) DECL_OUT(v, carry)
+
+#define INIT_OUT(v, ty) \
+ dstr_ensure(d_##v, sizeof(ty)); v = (ty *)d_##v->buf;
+#define INIT_OUT_NIL(v)
+#define INIT_OUT_P128(v) INIT_OUT(v, p128)
+#define INIT_OUT_X128(v) INIT_OUT(v, x128)
+#define INIT_OUT_CARRY(v) INIT_OUT(v, carry)
+
+#define ARG(v) , v
+#define ARG_NIL(v)
+#define ARG_P128(v) ARG(v)
+#define ARG_X128(v) ARG(v)
+#define ARG_CARRY(v) ARG(v)
+
+#define CHECK(v, vv, ty) if (!eq_##ty(v, vv)) ok = 0;
+#define CHECK_NIL(v, vv)
+#define CHECK_P128(v, vv) CHECK(v, vv, p128)
+#define CHECK_X128(v, vv) CHECK(v, vv, x128)
+#define CHECK_CARRY(v, vv) CHECK(v, vv, carry)
+
+#define DUMP(v, ty) \
+ fprintf(stderr, "\n\t%-6s = ", #v); dump_##ty(d_##v, stderr);
+#define DUMP_NIL(v)
+#define DUMP_P128(v) DUMP(v, p128)
+#define DUMP_X128(v) DUMP(v, x128)
+#define DUMP_CARRY(v) DUMP(v, carry)
+
+#define COPY(v, vv, ty) *v = *vv;
+#define COPY_NIL(v, vv)
+#define COPY_P128(v, vv) COPY(v, vv, p128)
+#define COPY_X128(v, vv) COPY(v, vv, x128)
+#define COPY_CARRY(v, vv) COPY(v, vv, carry)
+
+#define FREE_OUT(v, ty) dstr_destroy(d_##v);
+#define FREE_OUT_NIL(v)
+#define FREE_OUT_P128(v) FREE_OUT(v, p128)
+#define FREE_OUT_X128(v) FREE_OUT(v, x128)
+#define FREE_OUT_CARRY(v) FREE_OUT(v, carry)
+
+#define DEFTESTFN(fn, tya, tyc, tyu, tyx, tyv, tyy, tyzz, tyyy, tycc) \
+ \
+ static int v##fn(dstr dv[]) \
+ { \
+ dstr *dp = dv; \
+ DECL_IN_##tya(a) \
+ DECL_IN_##tyc(c) \
+ DECL_IN_##tyu(u) \
+ DECL_IN_##tyx(x) \
+ DECL_IN_##tyv(v) \
+ DECL_IN_##tyy(y) \
+ DECL_IN_##tyzz(zz_exp) \
+ DECL_IN_##tyyy(yy_exp) \
+ DECL_IN_##tycc(cc_exp) \
+ DECL_OUT_##tyzz(zz_out) \
+ DECL_OUT_##tyyy(yy_out) \
+ DECL_OUT_##tycc(cc_out) \
+ unsigned long long cyv[1]; \
+ int ok = 1; \
+ \
+ INIT_OUT_##tyzz(zz_out) \
+ INIT_OUT_##tyyy(yy_out) \
+ INIT_OUT_##tycc(cc_out) \
+ \
+ COPY_##tya(zz_out, a); \
+ COPY_##tyc(cc_out, c); \
+ test_##fn(zz_out ARG_##tycc(cc_out) ARG_##tyyy(yy_out) \
+ ARG_##tyu(u) ARG_##tyx(x) ARG_##tyv(v) ARG_##tyy(y), \
+ 1, cyv); \
+ CHECK_##tyzz(zz_exp, zz_out) \
+ CHECK_##tyyy(yy_exp, yy_out) \
+ CHECK_##tycc(cc_exp, cc_out) \
+ \
+ if (!ok) { \
+ fputs(#fn " failed", stderr); \
+ DUMP_##tya(a) \
+ DUMP_##tyc(c) \
+ DUMP_##tyu(u) \
+ DUMP_##tyx(x) \
+ DUMP_##tyv(v) \
+ DUMP_##tyy(y) \
+ DUMP_##tyzz(zz_exp) \
+ DUMP_##tyzz(zz_out) \
+ DUMP_##tyyy(yy_exp) \
+ DUMP_##tyyy(yy_out) \
+ DUMP_##tycc(cc_exp) \
+ DUMP_##tycc(cc_out) \
+ fputc('\n', stderr); \
+ } \
+ \
+ FREE_OUT_##tyzz(zz_out); \
+ FREE_OUT_##tyyy(yy_out); \
+ FREE_OUT_##tycc(cc_out); \
+ \
+ return (ok); \
+ }
+
+TESTOPS(DEFTESTFN)
+
+/*----- Main code ---------------------------------------------------------*/
+
+#define NIL
+#define P128 &type_p128,
+#define X128 &type_x128,
+#define CARRY &type_carry,
+
+static test_chunk tests[] = {
+#define DEFCHUNK(fn, tya, tyc, tyu, tyx, tyv, tyy, tyzz, tyyy, tycc) \
+ { #fn, v##fn, { tya tyc tyu tyx tyv tyy tyzz tyyy tycc } },
+ TESTOPS(DEFCHUNK)
+#undef DEFCHUNK
+ { 0, 0, { 0 } }
+};
+
+int main(int argc, char *argv[])
+{
+ sub_init();
+ if (!cpu_features_p())
+ { fprintf(stderr, "required cpu feature not available\n"); exit(77); }
+ test_run(argc, argv, tests, SRCDIR "/t/mul4");
+ return (0);
+}
+
+/*----- That's all, folks -------------------------------------------------*/
~mdw / catacomb / commitdiff