From 021fea8f15b6a13a7cfe187ba93574abf4c679a8 Mon Sep 17 00:00:00 2001
From: marko <>
Date: Fri, 26 Oct 2007 12:31:48 +0000
Subject: [PATCH] branches/zip: Add UNIV_UNLIKELY hints to help branch
 prediction.

---
 include/ut0lst.h | 4 ++--
 rem/rem0rec.c    | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/ut0lst.h b/include/ut0lst.h
index ebe2803fe23..72ee85a79f0 100644
--- a/include/ut0lst.h
+++ b/include/ut0lst.h
@@ -73,12 +73,12 @@ the pointer to the node to be added to the list. NAME is the list name. */
 	((BASE).count)++;\
 	((N)->NAME).next = (BASE).start;\
 	((N)->NAME).prev = NULL;\
-	if ((BASE).start != NULL) {\
+	if (UNIV_LIKELY((BASE).start != NULL)) {\
 		ut_ad((BASE).start != (N));\
 		(((BASE).start)->NAME).prev = (N);\
 	}\
 	(BASE).start = (N);\
-	if ((BASE).end == NULL) {\
+	if (UNIV_UNLIKELY((BASE).end == NULL)) {\
 		(BASE).end = (N);\
 	}\
 }\
diff --git a/rem/rem0rec.c b/rem/rem0rec.c
index d7f4d59fda3..07685eb34a5 100644
--- a/rem/rem0rec.c
+++ b/rem/rem0rec.c
@@ -533,7 +533,7 @@ rec_get_offsets_func(
 
 	if (UNIV_UNLIKELY(!offsets)
 	    || UNIV_UNLIKELY(rec_offs_get_n_alloc(offsets) < size)) {
-		if (!*heap) {
+		if (UNIV_UNLIKELY(!*heap)) {
 			*heap = mem_heap_create_func(size * sizeof(ulint),
 						     MEM_HEAP_DYNAMIC,
 						     file, line);