WebSVN – tendra.SVN – Diff – /branches/tendra5/src/installers/hppa/common/weights.c

+/*
+ * Copyright (c) 2002-2005 The TenDRA Project <http://www.tendra.org/>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of The TenDRA Project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific, prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
+ * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id$
+ */
 /*
     		 Crown Copyright (c) 1997
     This TenDRA(r) Computer Program is subject to Copyright
     owned by the United Kingdom Secretary of State for Defence
     acting through the Defence Evaluation and Research Agency
     (DERA).  It is made available to Recipients with a
     royalty-free licence for its use, reproduction, transfer
     to other parties and amendment for any purpose not excluding
     product development provided that any such use et cetera
     shall be deemed to be acceptance of the following conditions:-
 	(1) Its Recipients shall ensure that this Notice is
 	reproduced upon any copies or amended versions of it;
 	(2) Any amended version of it shall be clearly marked to
 	show both the nature of and the organisation responsible
 	for the relevant amendment or amendments;
 	(3) Its onward transfer from a recipient to another
 	party shall be deemed to be that party's acceptance of
 	these conditions;
 	(4) DERA gives no warranty or assurance as to its
 	quality or suitability for any purpose and DERA accepts
 	no liability whatsoever in relation to any use to which
 	it may be put.
 */
+ *
  * Revision 5.0  1995/08/25  13:42:58  wfs
  * Preperation for August 25 Glue release
+ *
  * Revision 3.4  1995/08/25  10:41:19  wfs
  * A few refinements necessary for 3.1 and 4.0 compatability.
  *
  * Revision 3.4  1995/08/25  10:41:19  wfs
  * A few refinements necessary for 3.1 and 4.0 compatability.
+ *
  * Revision 3.1  95/04/10  16:28:41  16:28:41  wfs (William Simmonds)
  * Apr95 tape version.
  *
  * Revision 3.0  95/03/30  11:19:16  11:19:16  wfs (William Simmonds)
  * Mar95 tape version with CRCR95_178 bug fix.
  *
  * Revision 2.0  95/03/15  15:29:06  15:29:06  wfs (William Simmonds)
  * spec 3.1 changes implemented, tests outstanding.
  *
  * Revision 1.1  95/01/11  13:19:42  13:19:42  wfs (William Simmonds)
  * Initial revision
  *
 */
 #define HPPATRANS_CODE
 /******************************************************************
 };
 /* NB scale, throughout,  should be a float but mips cc V2.10 compiles calls and
 		proc body inconsistently !! */
-weights weightsv PROTO_S ( ( double, exp ) ) ;
+weights weightsv(double, exp);
 weights add_weights
-    PROTO_N ( ( w1, w2 ) )
-    PROTO_T ( weights * w1 X weights * w2 )
+(weights * w1, weights * w2)
+{
   /* sum of weights */
   weights r;
   long i;
   for (i = 0; i < wfixno; ++i)
+  {
-    (r.fix)[i] = (w1->fix)[i] + (w2->fix)[i];
+   (r.fix)[i] = (w1->fix)[i] + (w2->fix)[i];
   };
   for (i = 0; i < wfloatno; ++i)
+  {
-    (r.floating)[i] = (w1->floating)[i] + (w2->floating)[i];
+   (r.floating)[i] = (w1->floating)[i] + (w2->floating)[i];
   };
-  return (r);
+  return(r);
+}
 wp max_weights
-    PROTO_N ( ( loc, ws, fix ) )
-    PROTO_T ( double loc X weights * ws X bool fix )
+(double loc, weights * ws, bool fix)
+{
   /*
    * loc is the usage count of a tag, ws is the weights computed for the scope
    * of the tag and fix distinguishes between fix and float. This computes the
   long bk = wfixno + 1;
   long i;
   float *w = (ws->fix);
   /* w[i] = greatest usage of (i+1) inner fixed tags  */
   wp res;
-  float *pw = &(((res.wp_weights).fix)[0]);
+  float *pw = & (((res.wp_weights).fix)[0]);
   if (fix)
+  {
     for (i = 0; i < wfixno; ++i)
+    {
   res.fix_break = bk;
 #endif
   bk = wfloatno + 1;
   w = (ws->floating);
-  pw = &(((res.wp_weights).floating)[0]);
+  pw = & (((res.wp_weights).floating)[0]);
   if (!fix)
   {				/* same algorithm for float regs as fixed regs */
     for (i = 0; i < wfloatno; ++i)
+    {
       if (i == 0)
   res.float_break = bk;
   return res;
+}
 weights mult_weights
-    PROTO_N ( ( m, ws ) )
-    PROTO_T ( double m X weights * ws )
+(double m, weights * ws)
+{
   /*
    * multiply weights by scalar - non overflowing
    */
   weights res;
-  float *r = &(res.fix)[0];
+  float *r = & (res.fix)[0];
   float *w = ws->fix;
   long i;
   for (i = 0; i < wfixno; ++i)
+  {
-    r[i] = w[i] * m;
+    r[i] = w[i]* m;
   };
-  r = &(res.floating)[0];
+  r = & (res.floating)[0];
   w = ws->floating;
   for (i = 0; i < wfloatno; ++i)
+  {
-    r[i] = w[i] * m;
+    r[i] = w[i]* m;
   };
-  return (res);
+  return(res);
+}
 weights add_wlist
-    PROTO_N ( ( scale, re ) )
-    PROTO_T ( double scale X exp re )
+(double scale, exp re)
 {				/* sum of  weights of list re */
   weights w, w1;
   exp r = re;
   if (r == nilexp)
+  {
     return zeroweights;
+  }
   else if (last(r))
+  {
-    return (weightsv(scale, r));
+    return(weightsv(scale, r));
+  }
   else
+  {
     w = weightsv(scale, r);
     do
 inside 'for' loops for example. The procedure reg_alloc in reg_alloc.c
 finally determines the actual choice of s reg and recodes the number
 field of an ident.
 ******************************************************************/
 weights weightsv
-    PROTO_N ( ( scale, e ) )
-    PROTO_T ( double scale X exp e )
+(double scale, exp e)
+{
   unsigned char n;
   tailrecurse:
   n = name(e);
+    {
       exp s = son(e);
       if (name(s) == ident_tag && !isglob(s))
+      {
-	if (is_floating(name(sh(e))) && name(sh(e)) != shrealhd)
+	if (is_floating(name(sh(e))) && name(sh(e))!= shrealhd)
+	{
 	  fno(s) += scale * 2.0;
+	}
 	else
 	  fno(s) += scale;
       return zeroweights;
     };
   case ident_tag:
+    {
-      if (son(e) != nilexp)
+      if (son(e)!= nilexp)
+      {
 	weights wdef;
 	bool wdef_set;
 	weights wbody;
 	long noe = no(e) /* set by scan */ ;
 	  wdef_set = 0;
+	}
 	else
+	{
 	  /* maybe needs a store to initialise */
-	  if (is_floating(name(sh(son(e)))) && name(sh(son(e))) != shrealhd)
+	  if (is_floating(name(sh(son(e)))) && name(sh(son(e)))!= shrealhd)
+	  {
 	    fno(e) = scale * 2.0;
+	  }
 	  else
 	    fno(e) = scale;
 	  if ((name(t) == val_tag) || (name(t) == real_tag)) /* +++ string_tag too */
+	  {
 	    return wbody;
+	  }
-	  while (name(t) != name_tag)
+	  while (name(t)!= name_tag)
+	  {
 	    t = son(t);
+	  }
 	  s = son(t);
       goto tailrecurse;
     };
   case labst_tag:
+    {
-      scale = fno(e) * scale;
+      scale = fno(e)* scale;
       e = bro(son(e));
       goto tailrecurse;
+    }
       return zeroweights;
     };
   case ncopies_tag:
+    {
-      scale = no(e) * scale;
+      scale = no(e)* scale;
       e = son(e);
       goto tailrecurse;
+    }
   default:
+    {
       if (son(e) == nilexp || n == env_offset_tag
-			   || n == general_env_offset_tag )
+			   || n == general_env_offset_tag)
+      {
 	return zeroweights;
+      }
       if (last(son(e)))
+      {
 	e = son(e);
 	goto tailrecurse;
+      }
-      return (add_wlist(scale, son(e)));
+      return(add_wlist(scale, son(e)));
+    }
+  }
+}

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(root)/branches/tendra5/src/installers/hppa/common/weights.c – Rev 5 → 6