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authorClifford Wolf <clifford@clifford.at>2013-06-15 11:00:34 +0200
committerClifford Wolf <clifford@clifford.at>2013-06-15 11:00:34 +0200
commit6ef8c6fb8a33f677580c26c2f1129d509ceec768 (patch)
treefff4e976cf4a2b75dd30e7db323409e42bb4217a
parent6d7b5f90641169d60113b618ad127c7568d13dce (diff)
Added ternary op and concat op to xsthammer
-rw-r--r--tests/xsthammer/generate.cc131
1 files changed, 124 insertions, 7 deletions
diff --git a/tests/xsthammer/generate.cc b/tests/xsthammer/generate.cc
index 3fa14de0..7af084be 100644
--- a/tests/xsthammer/generate.cc
+++ b/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] = {
- { "{dir} [3:0] {name}", "{name}" }, // 00
- { "{dir} [4:0] {name}", "{name}" }, // 01
- { "{dir} [5:0] {name}", "{name}" }, // 02
- { "{dir} signed [3:0] {name}", "{name}" }, // 03
- { "{dir} signed [4:0] {name}", "{name}" }, // 04
- { "{dir} signed [5:0] {name}", "{name}" } // 05
+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
@@ -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;
}