Added ternary op and concat op to xsthammer

tests/xsthammer/generate.cc

@@ -1,19 +1,31 @@
 
 #define GENERATE_BINARY_OPS
 #define GENERATE_UNARY_OPS
+#define GENERATE_TERNARY_OPS
+#define GENERATE_CONCAT_OPS
 
 #include <sys/stat.h>
 #include <sys/types.h>
+#include <string.h>
 #include <stdio.h>
 #include <string>
 
-const char *arg_types[][2] = {
+const char *arg_types[][3] = {
-	{ "{dir} [3:0] {name}", "{name}" },		// 00
+	{ "{dir} [3:0] {name}", "{name}", "4" },	// 00
-	{ "{dir} [4:0] {name}", "{name}" },		// 01
+	{ "{dir} [4:0] {name}", "{name}", "5" },	// 01
-	{ "{dir} [5:0] {name}", "{name}" },		// 02
+	{ "{dir} [5:0] {name}", "{name}", "6" },	// 02
-	{ "{dir} signed [3:0] {name}", "{name}" },	// 03
+	{ "{dir} signed [3:0] {name}", "{name}", "4" },	// 03
-	{ "{dir} signed [4:0] {name}", "{name}" },	// 04
+	{ "{dir} signed [4:0] {name}", "{name}", "5" },	// 04
-	{ "{dir} signed [5:0] {name}", "{name}" }	// 05
+	{ "{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
@@ -151,6 +163,111 @@ int main()
 	}
 #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
+
 	return 0;
 }