From e4f490c940afc239268de2d0c9a8e8f6d786442c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se>
Date: Tue, 16 Apr 2013 07:51:00 +0200
Subject: [PATCH] Generalize INCREMENT macro, allow size == 1.
---
ChangeLog | 4 ++++
macros.h | 10 ++++------
2 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 38d313e9..d069e75a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-04-16 Niels Möller <nisse@lysator.liu.se>
+
+ * macros.h (INCREMENT): Allow size == 1.
+
2013-04-15 Niels Möller <nisse@lysator.liu.se>
* x86_64/umac-nh.asm: New file. 4.4 time speedup.
diff --git a/macros.h b/macros.h
index ee206043..38b9e219 100644
--- a/macros.h
+++ b/macros.h
@@ -145,16 +145,14 @@ do { \
#define ROTL64(n,x) (((x)<<(n)) | ((x)>>(64-(n))))
-/* Requires that size >= 2 */
+/* Requires that size > 0 */
#define INCREMENT(size, ctr) \
do { \
unsigned increment_i = (size) - 1; \
if (++(ctr)[increment_i] == 0) \
- { \
- while (++(ctr)[--increment_i] == 0 \
- && increment_i > 0) \
- ; \
- } \
+ while (increment_i > 0 \
+ && ++(ctr)[--increment_i] == 0 ) \
+ ; \
} while (0)
--
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