fix: pin csr_frm_val=4 for dyn frm coverpoints

Author: dev-aditya-hub

generators/testgen/src/testgen/coverpoints/cp_fp_reg_edges.py

@@ -35,7 +35,7 @@ def make_fs1_edges(instr_name: str, instr_type: str, coverpoint: str, test_data:
     test_chunks: list[TestChunk] = []
     for edge_val in edges:
         for frm_mode in frm_modes:
-            params = generate_random_params(test_data, instr_type, exclude_regs=[0], fs1val=edge_val, frm=frm_mode)
+            params = generate_random_params(test_data, instr_type, exclude_regs=[0], fs1val=edge_val, frm=frm_mode, csr_frm_val=4 if frm_mode == "dyn" else None)
             bin_name = f"b{edge_val:#x}{f'_{frm_mode}' if frm_mode is not None else ''}"
             desc = f"{coverpoint} (Test source fs1 value = {test_data.flen_format_str.format(edge_val)}{f', frm = {frm_mode}' if frm_mode is not None else ''})"
             tc = format_single_testcase(instr_name, instr_type, test_data, params, desc, bin_name, coverpoint)

generators/testgen/src/testgen/coverpoints/cp_frm.py

@@ -24,7 +24,7 @@ def make_frm(instr_name: str, instr_type: str, coverpoint: str, test_data: TestD
     frm_modes = ("dyn", "rdn", "rmm", "rne", "rtz", "rup")
     test_chunks: list[TestChunk] = []
     for frm_mode in frm_modes:
-        params = generate_random_params(test_data, instr_type, exclude_regs=[0], frm=frm_mode)
+        params = generate_random_params(test_data, instr_type, exclude_regs=[0], frm=frm_mode, csr_frm_val=4 if frm_mode == "dyn" else None)
         desc = f"{coverpoint} (Test frm, mode = {frm_mode})"
         tc = format_single_testcase(instr_name, instr_type, test_data, params, desc, f"b{frm_mode}", coverpoint)
         test_chunks.append(tc)

generators/testgen/src/testgen/coverpoints/cr_fp_reg_edges.py

@@ -42,7 +42,7 @@ def make_cr_fs1_fs2_edges(instr_name: str, instr_type: str, coverpoint: str, tes
             # Explicit rounding modes (if needed)
             for frm_mode in frm_modes:
                 params = generate_random_params(
-                    test_data, instr_type, exclude_regs=[0], fs1val=edge_val1, fs2val=edge_val2, frm=frm_mode
+                    test_data, instr_type, exclude_regs=[0], fs1val=edge_val1, fs2val=edge_val2, frm=frm_mode, csr_frm_val=4 if frm_mode == "dyn" else None
                 )
                 bin_name = f"fs1val={edge_val1:#x}, fs2val={edge_val2:#x}, frm={frm_mode}"
                 desc = f"{coverpoint} (Test source fs1 = {test_data.flen_format_str.format(edge_val1)} fs2 = {test_data.flen_format_str.format(edge_val2)}{f', frm = {frm_mode}' if frm_mode is not None else ''})"
@@ -79,7 +79,7 @@ def make_cr_fs1_fs3_edges(instr_name: str, instr_type: str, coverpoint: str, tes
             # Explicit rounding modes (if needed)
             for frm_mode in frm_modes:
                 params = generate_random_params(
-                    test_data, instr_type, exclude_regs=[0], fs1val=edge_val1, fs3val=edge_val2, frm=frm_mode
+                    test_data, instr_type, exclude_regs=[0], fs1val=edge_val1, fs3val=edge_val2, frm=frm_mode, csr_frm_val=4 if frm_mode == "dyn" else None
                 )
                 desc = f"{coverpoint} (Test source fs1 = {test_data.flen_format_str.format(edge_val1)} fs3 = {test_data.flen_format_str.format(edge_val2)}{f', frm = {frm_mode}' if frm_mode is not None else ''})"
                 bin_name = f"fs1val={edge_val1:#x}, fs3val={edge_val2:#x}, frm={frm_mode}"