[decompiler] fix (gpr->fpr when an integer arg is converted to float (#482)

* fix gpr fpr bug

* remove unused variable

scripts/update_decomp_reference.py

@@ -0,0 +1,34 @@
+import os
+import glob
+import argparse
+import shutil
+
+## Script to update failing _REF.gc files
+## Instructions:
+##  run offline-test with the `--dump-mode` flag set. This generates a "failures" folder.
+## update reference like this
+##    python3 ../scripts/update_decomp_reference.py ./failures ../test/decompiler/reference
+
+def get_goal_files(root_dir):
+	return [f for file in os.walk(root_dir) for f in glob.glob(os.path.join(file[0], '*.gc'))]
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument(dest='diff', help='the failures folder')
+    parser.add_argument(dest='reference', help='the test/decompiler/reference folder')
+    args = parser.parse_args()
+
+    location_map = {os.path.basename(x) : x for x in get_goal_files(args.reference)}
+
+    for replacement in get_goal_files(args.diff):
+    	base = os.path.basename(replacement)
+    	if base not in location_map:
+    		print("Could not find file {}".format(base))
+    		exit(-1)
+    	print("replace {} with {}".format(location_map[base], replacement))
+    	shutil.copyfile(replacement, location_map[base])
+
+
+
+if __name__ == "__main__":
+    main()