target_help_parser.py: Support lines "-misel=no" and "-misel=yes"

Author: hartwork

resolve_march_native/target_help_parser.py

@@ -19,6 +19,14 @@
 # "  -mno-align-stringops        \t\t[disabled]"
 _disabled_m_line_pattern = re.compile(r'^\s+(?P<flag>-m[^ ]+)\s+\[disabled\]$')
 
+# Exmample lines:
+# "  -misel=no                   \t\t"
+_assign_no_line_pattern = re.compile(r'^\s+(?P<flag>-m[^ ]+)=no\s+$')
+
+# Exmample lines:
+# "  -misel=yes                  \t\t"
+_assign_yes_line_pattern = re.compile(r'^\s+(?P<flag>-m[^ ]+)=yes\s+$')
+
 # Example lines:
 # "  -mgen-cell-microcode        \t\t[ignored]"
 _ignore_marked_line_pattern = re.compile(r'^\s+(?P<flag>-[^ ]+)\s+\[ignored\]$')
@@ -121,6 +129,19 @@ def _parse_gcc_output(gcc_output: str) -> List[str]:
                 flags.append('-mno-' + flag[len('-m'):])
             continue
 
+        if '=no' in line:
+            m = _assign_no_line_pattern.match(line)
+            if m is not None:
+                flag = m.group('flag')
+                flags.append('-mno-' + flag[len('-m'):])
+                continue
+
+        if '=yes' in line:
+            m = _assign_yes_line_pattern.match(line)
+            if m is not None:
+                flags.append(m.group('flag'))
+                continue
+
         if line.endswith('[ignored]'):
             flag = _ignore_marked_line_pattern.match(line).group('flag')
             flags.append(flag)

resolve_march_native/test/test_target_help_parser.py

@@ -487,6 +487,14 @@ def test_disabled_m_lines(self):
         self.assertEqual(_parse_gcc_output('  -mavx                                 [disabled]'),
                          ['-mno-avx'])
 
+    def test_assign_no_lines(self):
+        self.assertEqual(_parse_gcc_output('  -misel=no                   \t\t'),
+                         ['-mno-isel'])
+
+    def test_assign_yes_lines(self):
+        self.assertEqual(_parse_gcc_output('  -misel=yes                  \t\t'),
+                         ['-misel'])
+
     def test_upper_value_lines(self):
         self.assertEqual(_parse_gcc_output('  -mipsN                      \t\t1'),
                          ['-mips1'])