From e16640903385910cb6eea613f3a3badf6f25404e Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Wed, 11 Feb 1998 21:38:08 +0000
Subject: [PATCH] Change to MemSet for Alpha.
---
src/include/c.h | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/src/include/c.h b/src/include/c.h
index 1b928b3c6a5..c97d5e3b1bd 100644
--- a/src/include/c.h
+++ b/src/include/c.h
@@ -7,7 +7,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
- * $Id: c.h,v 1.31 1998/02/11 21:17:44 momjian Exp $
+ * $Id: c.h,v 1.32 1998/02/11 21:38:08 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -705,11 +705,16 @@ typedef struct Exception
#define StrNCpy(dst,src,len) \
(strncpy((dst),(src),(len)),(len > 0) ? *((dst)+(len)-1)='\0' : (dummyret)NULL,(void)(dst))
+/* Get a bit mask of the bits set in non-int32 aligned addresses */
+#define INT_ALIGN_MASK (sizeof(int32) - 1)
+
/* This function gets call too often, so we inline it if we can */
#define MemSet(start, val, len) do \
{ /* are we aligned for int32? */ \
- if ((start) == INTALIGN(start) && \
- (len) % sizeof(int32) == 0 && \
+ /* We have to cast the pointer to int \
+ so we can do the AND */ \
+ if (((long)(start) & INT_ALIGN_MASK) == 0 && \
+ ((len) & INT_ALIGN_MASK) == 0 && \
(val) == 0 && \
/* \
* We got this number by testing this \
--
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