From fcfc776bc6242fdefde0efd7b0c315fbeca08555 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@gmail.com>
Date: Sat, 2 Jul 2011 12:30:03 -0400
Subject: Optimize long-word additions in SHA implementation

---
 crypt/sha256.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'crypt/sha256.h')

diff --git a/crypt/sha256.h b/crypt/sha256.h
index be8b077..fcf6148 100644
--- a/crypt/sha256.h
+++ b/crypt/sha256.h
@@ -1,6 +1,6 @@
 /* Declaration of functions and data types used for SHA256 sum computing
    library functions.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -31,7 +31,11 @@ struct sha256_ctx
 {
   uint32_t H[8];
 
-  uint32_t total[2];
+  union
+  {
+    uint64_t total64;
+    uint32_t total[2];
+  };
   uint32_t buflen;
   char buffer[128] __attribute__ ((__aligned__ (__alignof__ (uint32_t))));
 };
-- 
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