[NFC] Fix pylint errors

rvv-intrinsic-generator/rvv_intrinsic_gen/generator.py

@@ -37,19 +37,19 @@ def __init__(self):
     pass
 
   def write(self, text):
-    return NotImplemented
+    raise NotImplementedError
 
   def write_title(self, text, link):
-    return NotImplemented
+    raise NotImplementedError
 
   def gen_prologue(self):
-    return NotImplemented
+    raise NotImplementedError
 
   def inst_group_prologue(self):
-    return NotImplemented
+    raise NotImplementedError
 
   def inst_group_epilogue(self):
-    return NotImplemented
+    raise NotImplementedError
 
   @abstractmethod
   def func(self, inst_info, name, return_type, **kwargs):
@@ -69,7 +69,7 @@ def function_group(self, template, title, link, op_list, type_list, sew_list,
         decorator_list=decorator_list)
 
   def start_group(self, group_name):
-    return NotImplemented
+    raise NotImplementedError
 
   @staticmethod
   def func_name(name):
@@ -291,7 +291,7 @@ def report_summary(self):
       \x1b[0mfunctions")
 
   def post_gen(self):
-    return NotImplemented
+    raise NotImplementedError
 
 
 class DocGenerator(Generator):
@@ -446,27 +446,27 @@ def __init__(self, f, is_overloaded, toolchain_type, has_tail_policy):
 
   def write_file_header(self, has_float_type, has_bfloat16_type):
     #pylint: disable=line-too-long
-    int_llvm_header = (r"""// REQUIRES: riscv-registered-target
+    int_llvm_header = r"""// REQUIRES: riscv-registered-target
 // RUN: %clang_cc1 -triple riscv64 -target-feature +v -disable-O0-optnone \
 // RUN:   -emit-llvm %s -o - | opt -S -passes=mem2reg | \
 // RUN:   FileCheck --check-prefix=CHECK-RV64 %s
 
-""")
-    float_llvm_header = (r"""// REQUIRES: riscv-registered-target
+"""
+    float_llvm_header = r"""// REQUIRES: riscv-registered-target
 // RUN: %clang_cc1 -triple riscv64 -target-feature +v -target-feature +zfh \
 // RUN:   -target-feature +experimental-zvfh -disable-O0-optnone \
 // RUN:   -emit-llvm %s -o - | opt -S -passes=mem2reg | \
 // RUN:   FileCheck --check-prefix=CHECK-RV64 %s
 
-""")
-    bfloat16_llvm_header = (r"""// REQUIRES: riscv-registered-target
+"""
+    bfloat16_llvm_header = r"""// REQUIRES: riscv-registered-target
 // RUN: %clang_cc1 -triple riscv64 -target-feature +v \
 // RUN:   -target-feature +experimental-zvfbfmin \
 // RUN:   -target-feature +experimental-zvfbfwma -disable-O0-optnone \
 // RUN:   -emit-llvm %s -o - | opt -S -passes=mem2reg | \
 // RUN:   FileCheck --check-prefix=CHECK-RV64 %s
 
-""")
+"""
     gnu_header = (
         r"""/* { dg-do compile } */
 /* { dg-options """ + '"' + "-march=rv64gcv_zvfh -mabi=lp64d" +
@@ -518,7 +518,8 @@ def func(self, inst_info, name, return_type, **kwargs):
         os.path.join(self.folder, test_file_name), mode, encoding="utf-8")
 
     stripped_prefix_non_overloaded_func_name = non_overloaded_func_name[8:]
-    non_overloaded_func_name = "test_" + stripped_prefix_non_overloaded_func_name
+    non_overloaded_func_name = "test_" + \
+                                stripped_prefix_non_overloaded_func_name
     self.generated_functions_set.add(non_overloaded_func_name)
     args = ", ".join(map(lambda a: f"{a[1]} {a[0]}", kwargs.items()))
     # "T * name" to "T *name"

rvv-intrinsic-generator/rvv_intrinsic_gen/templates/binary_op_template.py

@@ -61,6 +61,7 @@ def render(G, op_list, type_list, sew_list, lmul_list, decorator_list):
 
       type_helper = TypeHelper(**args)
 
+      s_op2 = None
       if (op in ["mulhsu", "ssra", "sra"] and data_type == "uint") or \
          (op in ["ssrl", "srl"] and data_type == "int"):
         # Unsigned mulhsu and ssra are unsupported, signed ssrl is unsupported

rvv-intrinsic-generator/rvv_intrinsic_gen/templates/misc_op_template.py

@@ -40,6 +40,7 @@ def render(G, op_list, type_list, sew_list, lmul_list, decorator_list):
       break
     decorator.write_text_header(G)
 
+    inst_type = None
     for args in prod(OP=op_list, TYPE=type_list, SEW=sew_list, LMUL=lmul_list):
       type_helper = TypeHelper(**args)
       if args["OP"] not in ["vundefined"]: