From 373f8d81ff1a8c8fa50e8e2ecf15dfd484b9f9e5 Mon Sep 17 00:00:00 2001
From: Tim Peters <tim.peters@gmail.com>
Date: Tue, 12 Feb 2002 04:31:21 +0000
Subject: LOAD_FAST:  rearrange branches to favor the expected case, and get
 rid of a redundant NULL-pointer check in the expected case.

---
 Python/ceval.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/Python/ceval.c b/Python/ceval.c
index c59f31c..202c868 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -1666,17 +1666,14 @@ eval_frame(PyFrameObject *f)
 
 		case LOAD_FAST:
 			x = GETLOCAL(oparg);
-			if (x == NULL) {
-				format_exc_check_arg(
-					PyExc_UnboundLocalError,
-					UNBOUNDLOCAL_ERROR_MSG,
-					PyTuple_GetItem(co->co_varnames, oparg)
-					);
-				break;
+			if (x != NULL) {
+				Py_INCREF(x);
+				PUSH(x);
+				continue;
 			}
-			Py_INCREF(x);
-			PUSH(x);
-			if (x != NULL) continue;
+			format_exc_check_arg(PyExc_UnboundLocalError,
+				UNBOUNDLOCAL_ERROR_MSG,
+				PyTuple_GetItem(co->co_varnames, oparg));
 			break;
 
 		case STORE_FAST:
-- 
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