Address the comments.

Signed-off-by: Pan Li <pan2.li@intel.com>

scripts/march-to-cpu-opt

@@ -147,9 +147,11 @@ def get_vlen(ext_dict):
             vlen = max(vlen, zvelen)
     return vlen
 
-def get_elen(ext_dict):
-    elen = 32
+def get_elen(ext_dict, xlen):
+    elen = xlen
 
+    if "zve32x" in ext_dict or "zve32f" in ext_dict:
+        elen = 32
     if "zve64x" in ext_dict or "zve64f" in ext_dict or "zve64d" in ext_dict:
         elen = 64
 
@@ -263,10 +265,12 @@ def parse_elf_file(elf_file_path):
     for extension in extension_dict.keys():
         extensions.append(extension)
 
+    xlen = get_xlen(elf_file_path)
+
     CPU_OPTIONS["extensions"] = extensions
     CPU_OPTIONS["vlen"] = get_vlen(extension_dict)
-    CPU_OPTIONS["elen"] = get_elen(extension_dict)
-    CPU_OPTIONS["xlen"] = get_xlen(elf_file_path)
+    CPU_OPTIONS["elen"] = get_elen(extension_dict, xlen)
+    CPU_OPTIONS["xlen"] = xlen
 
 def main(argv):
     opt = parse_opt(argv)