1 files changed, 0 insertions, 100 deletions
diff --git a/rv64cpu/tb/unit/tb_branch.cc b/rv64cpu/tb/unit/tb_branch.cc
deleted file mode 100644
index e47bf98..0000000
--- a/rv64cpu/tb/unit/tb_branch.cc
+++ /dev/null
@@ -1,100 +0,0 @@
-//     Richard CPU
-//     Copyright (C) 2026  Richard Qin
-//     This program is free software: you can redistribute it and/or modify
-//     it under the terms of the GNU General Public License as published by
-//     the Free Software Foundation, either version 3 of the License, or
-//     (at your option) any later version.
-
-//     This program 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 General Public License for more details.
-
-//     You should have received a copy of the GNU General Public License
-//     along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-// File path: tb/unit/tb_branch.cc
-// Description: Branch Unit test
-
-#include <iostream>
-#include <iomanip>
-#include <cstdint>
-#include <cassert>
-#include <verilated.h>
-#include "Vbranch_unit.h"
-
-// Enums must match rv64_pkg::branch_op_t
-enum BranchOp {
-    BRANCH_EQ  = 0b000,
-    BRANCH_NE  = 0b001,
-    BRANCH_LT  = 0b100,
-    BRANCH_GE  = 0b101,
-    BRANCH_LTU = 0b110,
-    BRANCH_GEU = 0b111
-};
-
-void test_branch(Vbranch_unit* dut, uint8_t is_branch, uint8_t op, uint64_t a, uint64_t b, uint8_t expected, const char* name) {
-    dut->is_branch = is_branch;
-    dut->branch_op = op;
-    dut->operand_a = a;
-    dut->operand_b = b;
-    dut->eval();
-
-    if (dut->branch_taken == expected) {
-        std::cout << "\033[32m[PASS] " << name << " | Expected: " << (int)expected << " Got: " << (int)dut->branch_taken << "\033[0m" << std::dec << std::endl;
-    } else {
-        std::cout << "\033[31m[FAIL] " << name << " | Expected: " << (int)expected << " Got: " << (int)dut->branch_taken << "\033[0m" << std::endl;
-        assert(false);
-    }
-}
-
-int main(int argc, char** argv) {
-    Verilated::commandArgs(argc, argv);
-    Vbranch_unit* dut = new Vbranch_unit;
-
-    std::cout << "----------------------------------" << std::endl;
-    std::cout << "        Branch Unit Test" << std::endl;
-    std::cout << "----------------------------------" << std::endl;
-
-    // --- Not a branch ---
-    test_branch(dut, 0, BRANCH_EQ, 10, 10, 0, "Not_A_Branch");
-
-    // --- BEQ / BNE ---
-    test_branch(dut, 1, BRANCH_EQ, 10, 10, 1, "BEQ_Equal");
-    test_branch(dut, 1, BRANCH_EQ, 10, 20, 0, "BEQ_Not_Equal");
-    test_branch(dut, 1, BRANCH_NE, 10, 20, 1, "BNE_Not_Equal");
-    test_branch(dut, 1, BRANCH_NE, 10, 10, 0, "BNE_Equal");
-
-    uint64_t minus_one = (uint64_t)-1; // 0xFFFFFFFFFFFFFFFF
-    uint64_t one = 1;
-
-    // --- BLT / BGE (Signed) ---
-    // -1 is less than 1 (Signed)
-    test_branch(dut, 1, BRANCH_LT, minus_one, one, 1, "BLT_Signed_Negative_vs_Positive");
-    test_branch(dut, 1, BRANCH_GE, minus_one, one, 0, "BGE_Signed_Negative_vs_Positive");
-    
-    // 1 is greater than -1 (Signed)
-    test_branch(dut, 1, BRANCH_LT, one, minus_one, 0, "BLT_Signed_Positive_vs_Negative");
-    test_branch(dut, 1, BRANCH_GE, one, minus_one, 1, "BGE_Signed_Positive_vs_Negative");
-
-    // Equal signed
-    test_branch(dut, 1, BRANCH_LT, minus_one, minus_one, 0, "BLT_Signed_Equal");
-    test_branch(dut, 1, BRANCH_GE, minus_one, minus_one, 1, "BGE_Signed_Equal");
-
-    // --- BLTU / BGEU (Unsigned) ---
-    // 0xFFFFFFFFFFFFFFFF is NOT less than 1 (Unsigned)
-    test_branch(dut, 1, BRANCH_LTU, minus_one, one, 0, "BLTU_Unsigned_Max_vs_1");
-    // 0xFFFFFFFFFFFFFFFF is greater than or equal to 1 (Unsigned)
-    test_branch(dut, 1, BRANCH_GEU, minus_one, one, 1, "BGEU_Unsigned_Max_vs_1");
-
-    // Equal unsigned
-    test_branch(dut, 1, BRANCH_LTU, minus_one, minus_one, 0, "BLTU_Unsigned_Equal");
-    test_branch(dut, 1, BRANCH_GEU, minus_one, minus_one, 1, "BGEU_Unsigned_Equal");
-
-    std::cout << "----------------------------------" << std::endl;
-    std::cout << "\033[32mAll tests passed!\033[0m" << std::endl;
-    std::cout << "----------------------------------" << std::endl;
-
-    delete dut;
-    return 0;
-}