From 3dd20ff2f87958a440c9dceae8abe3967aa48fcf Mon Sep 17 00:00:00 2001
From: --author=Satoshi Nakamoto <satoshin@gmx.com>
Date: Tue, 27 Jul 2010 20:43:55 +0000
Subject: added a subset of Crypto++ 5.6.0 with 48% faster ASM SHA-256,
 combined speedup 2.5x faster vs 0.3.3, thanks BlackEye for figuring out the
 alignment problem

---
 util.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'util.h')

diff --git a/util.h b/util.h
index d05ab695cd..1981ec95e9 100644
--- a/util.h
+++ b/util.h
@@ -54,6 +54,20 @@ inline T& REF(const T& val)
     return (T&)val;
 }
 
+// Align by increasing pointer, must have extra space at end of buffer
+template <size_t nBytes, typename T>
+T* alignup(T* p)
+{
+    union
+    {
+        T* ptr;
+        size_t n;
+    } u;
+    u.ptr = p;
+    u.n = (u.n + (nBytes-1)) & ~(nBytes-1);
+    return u.ptr;
+}
+
 #ifdef __WXMSW__
 #define MSG_NOSIGNAL        0
 #define MSG_DONTWAIT        0
-- 
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