X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fflonum-copy.c;h=9ecdf1483d740f2865e81fe20ee0eafcbddeb3f5;hb=6eb7d83039db70127a6eb3e4b64ecae782c42f00;hp=8f28be816224c4f59c408fd464cb5d8ed3197bb9;hpb=a39116f1c91d3642c068d9df871338cca9006be2;p=deliverable%2Fbinutils-gdb.git

diff --git a/gas/flonum-copy.c b/gas/flonum-copy.c
index 8f28be8162..9ecdf1483d 100644
--- a/gas/flonum-copy.c
+++ b/gas/flonum-copy.c
@@ -1,77 +1,70 @@
 /* flonum_copy.c - copy a flonum
-   Copyright (C) 1987, 1990, 1991 Free Software Foundation, Inc.
-   
+   Copyright (C) 1987-2016 Free Software Foundation, Inc.
+
    This file is part of GAS, the GNU Assembler.
-   
+
    GAS is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
+   the Free Software Foundation; either version 3, or (at your option)
    any later version.
-   
+
    GAS is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
-   
+
    You should have received a copy of the GNU General Public License
-   along with GAS; see the file COPYING.  If not, write to
-   the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   along with GAS; see the file COPYING.  If not, write to the Free
+   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
 
 #include "as.h"
 
-#ifdef USG
-#define bzero(s,n) memset(s,0,n)
-#define bcopy(from,to,n) memcpy(to,from,n)
-#endif
-
 void
-    flonum_copy (in, out)
-FLONUM_TYPE *	in;
-FLONUM_TYPE *	out;
+flonum_copy (FLONUM_TYPE *in, FLONUM_TYPE *out)
 {
-	int			in_length;	/* 0 origin */
-	int			out_length;	/* 0 origin */
-	
-	out -> sign = in -> sign;
-	in_length = in  -> leader - in -> low;
-	if (in_length < 0)
-	    {
-		    out -> leader = out -> low - 1; /* 0.0 case */
-	    }
-	else
-	    {
-		    out_length = out -> high - out -> low;
-		    /*
-		     * Assume no GAPS in packing of littlenums.
-		     * I.e. sizeof(array) == sizeof(element) * number_of_elements.
-		     */
-		    if (in_length <= out_length)
-			{
-				{
-					/*
-					 * For defensive programming, zero any high-order littlenums we don't need.
-					 * This is destroying evidence and wasting time, so why bother???
-					 */
-					if (in_length < out_length)
-					    {
-						    bzero ((char *)(out->low + in_length + 1), out_length - in_length);
-					    }
-				}
-				bcopy ((char *)(in->low), (char *)(out->low), (int)((in_length + 1) * sizeof(LITTLENUM_TYPE)));
-				out -> exponent = in -> exponent;
-				out -> leader   = in -> leader - in -> low + out -> low;
-			}
-		    else
-			{
-				int	shorten;		/* 1-origin. Number of littlenums we drop. */
-				
-				shorten = in_length - out_length;
-				/* Assume out_length >= 0 ! */
-				bcopy ((char *)(in->low + shorten),(char *)( out->low), (int)((out_length + 1) * sizeof(LITTLENUM_TYPE)));
-				out -> leader = out -> high;
-				out -> exponent = in -> exponent + shorten;
-			}
-	    }				/* if any significant bits */
-}
+  unsigned int in_length;	/* 0 origin */
+  unsigned int out_length;	/* 0 origin */
+
+  out->sign = in->sign;
+  in_length = in->leader - in->low;
 
-/* end: flonum_copy.c */
+  if (in->leader < in->low)
+    {
+      out->leader = out->low - 1;	/* 0.0 case */
+    }
+  else
+    {
+      out_length = out->high - out->low;
+      /* Assume no GAPS in packing of littlenums.
+	 I.e. sizeof(array) == sizeof(element) * number_of_elements.  */
+      if (in_length <= out_length)
+	{
+	  {
+	    /* For defensive programming, zero any high-order
+	       littlenums we don't need.  This is destroying evidence
+	       and wasting time, so why bother???  */
+	    if (in_length < out_length)
+	      {
+		memset ((char *) (out->low + in_length + 1), '\0',
+			out_length - in_length);
+	      }
+	  }
+	  memcpy ((void *) (out->low), (void *) (in->low),
+		  ((in_length + 1) * sizeof (LITTLENUM_TYPE)));
+	  out->exponent = in->exponent;
+	  out->leader = in->leader - in->low + out->low;
+	}
+      else
+	{
+	  int shorten;		/* 1-origin. Number of littlenums we drop.  */
+
+	  shorten = in_length - out_length;
+	  /* Assume out_length >= 0 ! */
+	  memcpy ((void *) (out->low), (void *) (in->low + shorten),
+		  ((out_length + 1) * sizeof (LITTLENUM_TYPE)));
+	  out->leader = out->high;
+	  out->exponent = in->exponent + shorten;
+	}
+    }				/* if any significant bits */
+}