Removed tests/xsthammer

This test is now available as 'vloghammer' in a seperate repository:
https://github.com/cliffordwolf/VlogHammer

1 files changed, 0 insertions, 449 deletions

diff --git a/tests/xsthammer/generate.cc b/tests/xsthammer/generate.cc
deleted file mode 100644
index 6efd4c97d..000000000
--- a/tests/xsthammer/generate.cc
+++ /dev/null
@@ -1,449 +0,0 @@
-
-#define GENERATE_BINARY_OPS
-#define GENERATE_UNARY_OPS
-#define GENERATE_TERNARY_OPS
-#define GENERATE_CONCAT_OPS
-#undef  GENERATE_REPEAT_OPS  // disabled because of XST bug
-#define GENERATE_EXPRESSIONS
-
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <string.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <string>
-
-const char *arg_types[][3] = {
-	{ "{dir} [3:0] {name}", "{name}", "4" },	// 00
-	{ "{dir} [4:0] {name}", "{name}", "5" },	// 01
-	{ "{dir} [5:0] {name}", "{name}", "6" },	// 02
-	{ "{dir} signed [3:0] {name}", "{name}", "4" },	// 03
-	{ "{dir} signed [4:0] {name}", "{name}", "5" },	// 04
-	{ "{dir} signed [5:0] {name}", "{name}", "6" }	// 05
-};
-
-const char *small_arg_types[][3] = {
-	{ "{dir} [0:0] {name}", "{name}", "1" },	// 00
-	{ "{dir} [1:0] {name}", "{name}", "2" },	// 01
-	{ "{dir} [2:0] {name}", "{name}", "3" },	// 02
-	{ "{dir} signed [0:0] {name}", "{name}", "1" },	// 03
-	{ "{dir} signed [1:0] {name}", "{name}", "2" },	// 04
-	{ "{dir} signed [2:0] {name}", "{name}", "3" },	// 05
-};
-
-// See Table 5-1 (page 42) in IEEE Std 1364-2005
-// for a list of all Verilog oprators.
-
-const char *binary_ops[] = {
-	"+",	// 00
-	"-",	// 01
-	"*",	// 02
-//	"/",
-//	"%",
-//	"**",
-	">",	// 03
-	">=",	// 04
-	"<",	// 05
-	"<=",	// 06
-	"&&",	// 07
-	"||",	// 08
-	"==",	// 09
-	"!=",	// 10
-	"===",	// 11
-	"!==",	// 12
-	"&",	// 13
-	"|",	// 14
-	"^",	// 15
-	"^~",	// 16
-	"<<",	// 17
-	">>",	// 18
-	"<<<",	// 19
-	">>>",	// 20
-};
-
-const char *unary_ops[] = {
-	"+",	// 00
-	"-",	// 01
-	"!",	// 02
-	"~",	// 03
-	"&",	// 04
-	"~&",	// 05
-	"|",	// 06
-	"~|",	// 07
-	"^",	// 08
-	"~^",	// 09
-};
-
-void strsubst(std::string &str, const std::string &match, const std::string &replace)
-{
-	size_t pos;
-	while ((pos = str.find(match)) != std::string::npos)
-		str.replace(pos, match.size(), replace);
-}
-
-uint32_t xorshift32(uint32_t seed = 0) {
-	static uint32_t x = 314159265;
-	if (seed)
-		x = seed;
-	x ^= x << 13;
-	x ^= x >> 17;
-	x ^= x << 5;
-	return x;
-}
-
-void print_expression(FILE *f, int budget, uint32_t mask = 0)
-{
-	size_t num_binary_ops = sizeof(binary_ops)/sizeof(*binary_ops);
-	size_t num_unary_ops = sizeof(unary_ops)/sizeof(*unary_ops);
-	size_t num_arg_types = sizeof(arg_types)/sizeof(*arg_types);
-	int i, j, k, mode;
-
-	if (budget == 0) {
-		fprintf(f, "%c%d", 'a' + char(xorshift32() % 2), int(xorshift32() % num_arg_types));
-		return;
-	}
-
-	int num_modes = 4;
-	while ((mask & ~((~0) << num_modes)) == 0)
-		mask = xorshift32();
-	do {
-		mode = xorshift32() % num_modes;
-	} while (((1 << mode) & mask) == 0);
-	// fprintf(f, "/* %d */", mode);
-
-	budget--;
-	switch (mode)
-	{
-	case 0:
-		fprintf(f, "(");
-		print_expression(f, budget, mask);
-		fprintf(f, ")");
-		break;
-	case 1:
-		fprintf(f, "(");
-		print_expression(f, budget/2, mask);
-	#if 1
-		// FIXME: relational operators disabled because there is an xst bug..
-		do k = xorshift32() % num_binary_ops; while ((k >= 9 && k <= 12) || (k >= 3 && k <= 6));
-		fprintf(f, "%s", binary_ops[k]);
-	#else
-		fprintf(f, "%s", binary_ops[xorshift32() % num_binary_ops]);
-	#endif
-		print_expression(f, budget/2, mask);
-		fprintf(f, ")");
-		break;
-	case 2:
-		fprintf(f, "(%s", unary_ops[xorshift32() % num_unary_ops]);
-		print_expression(f, budget, mask);
-		fprintf(f, ")");
-		break;
-	case 3:
-		i = 1 + xorshift32() % 3;
-		fprintf(f, "{");
-		for (j = 0; j < i; j++) {
-			if (j)
-				fprintf(f, ",");
-			print_expression(f, budget / i, mask);
-		}
-		fprintf(f, "}");
-		break;
-#if 0
-		// FIXME: disabled because there is an xst bug..
-	case 4:
-		i = xorshift32() % 4;
-		fprintf(f, "{%d{", i);
-		print_expression(f, budget, mask);
-		fprintf(f, "}}");
-		break;
-#endif
-	}
-}
-
-int main()
-{
-	mkdir("rtl", 0777);
-
-#ifdef GENERATE_BINARY_OPS
-	for (int ai = 0; ai < sizeof(arg_types)/sizeof(arg_types[0]); ai++)
-	for (int bi = 0; bi < sizeof(arg_types)/sizeof(arg_types[0]); bi++)
-	for (int yi = 0; yi < sizeof(arg_types)/sizeof(arg_types[0]); yi++)
-	for (int oi = 0; oi < sizeof(binary_ops)/sizeof(binary_ops[0]); oi++)
-	{
-		std::string a_decl = arg_types[ai][0];
-		strsubst(a_decl, "{dir}", "input");
-		strsubst(a_decl, "{name}", "a");
-
-		std::string b_decl = arg_types[bi][0];
-		strsubst(b_decl, "{dir}", "input");
-		strsubst(b_decl, "{name}", "b");
-
-		std::string y_decl = arg_types[yi][0];
-		strsubst(y_decl, "{dir}", "output");
-		strsubst(y_decl, "{name}", "y");
-
-		std::string a_ref = arg_types[ai][1];
-		strsubst(a_ref, "{dir}", "input");
-		strsubst(a_ref, "{name}", "a");
-
-		std::string b_ref = arg_types[bi][1];
-		strsubst(b_ref, "{dir}", "input");
-		strsubst(b_ref, "{name}", "b");
-
-		std::string y_ref = arg_types[yi][1];
-		strsubst(y_ref, "{dir}", "output");
-		strsubst(y_ref, "{name}", "y");
-
-		char buffer[1024];
-		snprintf(buffer, 1024, "rtl/binary_ops_%02d%02d%02d%02d.v", ai, bi, yi, oi);
-
-		FILE *f = fopen(buffer, "w");
-		fprintf(f, "module binary_ops_%02d%02d%02d%02d(a, b, y);\n", ai, bi, yi, oi);
-		fprintf(f, "%s;\n", a_decl.c_str());
-		fprintf(f, "%s;\n", b_decl.c_str());
-		fprintf(f, "%s;\n", y_decl.c_str());
-		fprintf(f, "assign %s = %s %s %s;\n", y_ref.c_str(),
-				a_ref.c_str(), binary_ops[oi], b_ref.c_str());
-		fprintf(f, "endmodule\n");
-		fclose(f);
-	}
-#endif
-
-#ifdef GENERATE_UNARY_OPS
-	for (int ai = 0; ai < sizeof(arg_types)/sizeof(arg_types[0]); ai++)
-	for (int yi = 0; yi < sizeof(arg_types)/sizeof(arg_types[0]); yi++)
-	for (int oi = 0; oi < sizeof(unary_ops)/sizeof(unary_ops[0]); oi++)
-	{
-		std::string a_decl = arg_types[ai][0];
-		strsubst(a_decl, "{dir}", "input");
-		strsubst(a_decl, "{name}", "a");
-
-		std::string y_decl = arg_types[yi][0];
-		strsubst(y_decl, "{dir}", "output");
-		strsubst(y_decl, "{name}", "y");
-
-		std::string a_ref = arg_types[ai][1];
-		strsubst(a_ref, "{dir}", "input");
-		strsubst(a_ref, "{name}", "a");
-
-		std::string y_ref = arg_types[yi][1];
-		strsubst(y_ref, "{dir}", "output");
-		strsubst(y_ref, "{name}", "y");
-
-		char buffer[1024];
-		snprintf(buffer, 1024, "rtl/unary_ops_%02d%02d%02d.v", ai, yi, oi);
-
-		FILE *f = fopen(buffer, "w");
-		fprintf(f, "module unary_ops_%02d%02d%02d(a, b, y);\n", ai, yi, oi);
-		fprintf(f, "%s;\n", a_decl.c_str());
-		fprintf(f, "input b;\n");
-		fprintf(f, "%s;\n", y_decl.c_str());
-		fprintf(f, "assign %s = %s %s;\n", y_ref.c_str(),
-				unary_ops[oi], a_ref.c_str());
-		fprintf(f, "endmodule\n");
-		fclose(f);
-	}
-#endif
-
-#ifdef GENERATE_TERNARY_OPS
-	for (int ai = 0; ai < sizeof(small_arg_types)/sizeof(small_arg_types[0]); ai++)
-	for (int bi = 0; bi < sizeof(arg_types)/sizeof(arg_types[0]); bi++)
-	for (int ci = 0; ci < sizeof(arg_types)/sizeof(arg_types[0]); ci++)
-	for (int yi = 0; yi < sizeof(arg_types)/sizeof(arg_types[0]); yi++)
-	{
-		if (!strcmp(small_arg_types[ai][2], "3"))
-			continue;
-		if (!strcmp(arg_types[bi][2], "6"))
-			continue;
-		if (!strcmp(arg_types[ci][2], "6"))
-			continue;
-
-		std::string a_decl = small_arg_types[ai][0];
-		strsubst(a_decl, "{dir}", "input");
-		strsubst(a_decl, "{name}", "a");
-
-		std::string b1_decl = arg_types[bi][0];
-		strsubst(b1_decl, "{dir}", "wire");
-		strsubst(b1_decl, "{name}", "b1");
-
-		std::string b2_decl = arg_types[ci][0];
-		strsubst(b2_decl, "{dir}", "wire");
-		strsubst(b2_decl, "{name}", "b2");
-
-		std::string y_decl = arg_types[yi][0];
-		strsubst(y_decl, "{dir}", "output");
-		strsubst(y_decl, "{name}", "y");
-
-		std::string a_ref = small_arg_types[ai][1];
-		strsubst(a_ref, "{dir}", "input");
-		strsubst(a_ref, "{name}", "a");
-
-		std::string b1_ref = arg_types[bi][1];
-		strsubst(b1_ref, "{dir}", "wire");
-		strsubst(b1_ref, "{name}", "b1");
-
-		std::string b2_ref = arg_types[ci][1];
-		strsubst(b2_ref, "{dir}", "wire");
-		strsubst(b2_ref, "{name}", "b2");
-
-		std::string y_ref = arg_types[yi][1];
-		strsubst(y_ref, "{dir}", "output");
-		strsubst(y_ref, "{name}", "y");
-
-		char buffer[1024];
-		snprintf(buffer, 1024, "rtl/ternary_ops_%02d%02d%02d%02d.v", ai, bi, ci, yi);
-
-		FILE *f = fopen(buffer, "w");
-		fprintf(f, "module ternary_ops_%02d%02d%02d%02d(a, b, y);\n", ai, bi, ci, yi);
-		fprintf(f, "%s;\n", a_decl.c_str());
-		fprintf(f, "input [%s+%s-1:0] b;\n", arg_types[bi][2], arg_types[ci][2]);
-		fprintf(f, "%s = b[%s+%s-1:%s];\n", b1_decl.c_str(), arg_types[bi][2], arg_types[ci][2], arg_types[ci][2]);
-		fprintf(f, "%s = b[%s-1:0];\n", b2_decl.c_str(), arg_types[ci][2]);
-		fprintf(f, "%s;\n", y_decl.c_str());
-		fprintf(f, "assign %s = %s ? %s : %s;\n", y_ref.c_str(),
-				a_ref.c_str(), b1_ref.c_str(), b2_ref.c_str());
-		fprintf(f, "endmodule\n");
-		fclose(f);
-	}
-#endif
-
-#ifdef GENERATE_CONCAT_OPS
-	for (int ai = 0; ai < sizeof(small_arg_types)/sizeof(small_arg_types[0]); ai++)
-	for (int bi = 0; bi < sizeof(small_arg_types)/sizeof(small_arg_types[0]); bi++)
-	for (int yi = 0; yi < sizeof(arg_types)/sizeof(arg_types[0]); yi++)
-	{
-		std::string a_decl = small_arg_types[ai][0];
-		strsubst(a_decl, "{dir}", "input");
-		strsubst(a_decl, "{name}", "a");
-
-		std::string b_decl = small_arg_types[bi][0];
-		strsubst(b_decl, "{dir}", "input");
-		strsubst(b_decl, "{name}", "b");
-
-		std::string y_decl = arg_types[yi][0];
-		strsubst(y_decl, "{dir}", "output");
-		strsubst(y_decl, "{name}", "y");
-
-		std::string a_ref = small_arg_types[ai][1];
-		strsubst(a_ref, "{dir}", "input");
-		strsubst(a_ref, "{name}", "a");
-
-		std::string b_ref = small_arg_types[bi][1];
-		strsubst(b_ref, "{dir}", "input");
-		strsubst(b_ref, "{name}", "b");
-
-		std::string y_ref = arg_types[yi][1];
-		strsubst(y_ref, "{dir}", "output");
-		strsubst(y_ref, "{name}", "y");
-
-		char buffer[1024];
-		snprintf(buffer, 1024, "rtl/concat_ops_%02d%02d%02d.v", ai, bi, yi);
-
-		FILE *f = fopen(buffer, "w");
-		fprintf(f, "module concat_ops_%02d%02d%02d(a, b, y);\n", ai, bi, yi);
-		fprintf(f, "%s;\n", a_decl.c_str());
-		fprintf(f, "%s;\n", b_decl.c_str());
-		fprintf(f, "%s;\n", y_decl.c_str());
-		fprintf(f, "assign %s = {%s, %s};\n", y_ref.c_str(), a_ref.c_str(), b_ref.c_str());
-		fprintf(f, "endmodule\n");
-		fclose(f);
-	}
-#endif
-
-#ifdef GENERATE_REPEAT_OPS
-	for (int a = 0; a < 4; a++)
-	for (int bi = 0; bi < sizeof(small_arg_types)/sizeof(small_arg_types[0]); bi++)
-	for (int yi = 0; yi < sizeof(arg_types)/sizeof(arg_types[0]); yi++)
-	{
-		std::string b_decl = small_arg_types[bi][0];
-		strsubst(b_decl, "{dir}", "input");
-		strsubst(b_decl, "{name}", "b");
-
-		std::string y_decl = arg_types[yi][0];
-		strsubst(y_decl, "{dir}", "output");
-		strsubst(y_decl, "{name}", "y");
-
-		std::string b_ref = small_arg_types[bi][1];
-		strsubst(b_ref, "{dir}", "input");
-		strsubst(b_ref, "{name}", "b");
-
-		std::string y_ref = arg_types[yi][1];
-		strsubst(y_ref, "{dir}", "output");
-		strsubst(y_ref, "{name}", "y");
-
-		char buffer[1024];
-		snprintf(buffer, 1024, "rtl/repeat_ops_%02d%02d%02d.v", a, bi, yi);
-
-		FILE *f = fopen(buffer, "w");
-		fprintf(f, "module repeat_ops_%02d%02d%02d(a, b, y);\n", a, bi, yi);
-		fprintf(f, "input a;\n");
-		fprintf(f, "%s;\n", b_decl.c_str());
-		fprintf(f, "%s;\n", y_decl.c_str());
-		fprintf(f, "assign %s = {%d{%s}};\n", y_ref.c_str(), a, b_ref.c_str());
-		fprintf(f, "endmodule\n");
-		fclose(f);
-	}
-#endif
-
-#ifdef GENERATE_EXPRESSIONS
-	for (int i = 0; i < 1000; i++)
-	{
-		xorshift32(1234 + i);
-		xorshift32();
-		xorshift32();
-		xorshift32();
-
-		char buffer[1024];
-		snprintf(buffer, 1024, "rtl/expression_%05d.v", i);
-
-		FILE *f = fopen(buffer, "w");
-		fprintf(f, "module expression_%05d(a, b, y);\n", i);
-
-		for (char var = 'a'; var <= 'y'; var++)
-		{
-			fprintf(f, "%s [", var != 'y' ? "input" : "output");
-			for (int j = 0; j < sizeof(arg_types)/sizeof(arg_types[0]); j++)
-				fprintf(f, "%s%s", j ? "+" : "", arg_types[j][2]);
-			fprintf(f, "-1:0] %c;\n", var);
-
-			for (int j = 0; j < sizeof(arg_types)/sizeof(arg_types[0]); j++)
-			{
-				std::string decl = arg_types[j][0];
-				strsubst(decl, "{dir}", "wire");
-				snprintf(buffer, 1024, "%c%d", var, j);
-				strsubst(decl, "{name}", buffer);
-
-				if (var != 'y') {
-					fprintf(f, "%s = %c[", decl.c_str(), var);
-					for (int k = 0; k <= j; k++)
-						fprintf(f, "%s%s", k ? "+" : "", arg_types[k][2]);
-					fprintf(f, "-1:");
-					for (int k = 0; k < j; k++)
-						fprintf(f, "%s%s", k ? "+" : "", arg_types[k][2]);
-					fprintf(f, "%s];\n", j ? "" : "0");
-				} else
-					fprintf(f, "%s;\n", decl.c_str());
-			}
-
-			if (var == 'b')
-				var = 'x';
-		}
-
-		fprintf(f, "assign y = {");
-		for (int j = 0; j < sizeof(arg_types)/sizeof(arg_types[0]); j++)
-			fprintf(f, "%sy%d", j ? "," : "", j);
-		fprintf(f, "};\n");
-
-		for (int j = 0; j < sizeof(arg_types)/sizeof(arg_types[0]); j++) {
-			fprintf(f, "assign y%d = ", j);
-			print_expression(f, 1 + xorshift32() % 20);
-			fprintf(f, ";\n");
-		}
-
-		fprintf(f, "endmodule\n");
-		fclose(f);
-	}
-#endif
-
-	return 0;
-}
-