From: johanknol <johanknol@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Sat, 17 Mar 2001 16:17:42 +0000 (+0000)
Subject: Fixed a volatile optimalisation and some other small things
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=a590148d0d137cc50667b37a3f630953a56c39a4;p=fw%2Fsdcc

Fixed a volatile optimalisation and some other small things


git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@690 4a8a32a2-be11-0410-ad9d-d568d2c75423
---

diff --git a/src/SDCCloop.c b/src/SDCCloop.c
index 453cba1f..ef79a6b9 100644
--- a/src/SDCCloop.c
+++ b/src/SDCCloop.c
@@ -447,6 +447,11 @@ loopInvariants (region * theLoop, eBBlock ** ebbs, int count)
 	       IS_OP_PARM (IC_RESULT (ic))))
 	    continue;
 
+	  /* if result depends on a volatile then skip */
+	  if ((IC_LEFT(ic) && isOperandVolatile(IC_LEFT(ic), TRUE)) ||
+	      (IC_RIGHT(ic) && isOperandVolatile(IC_RIGHT(ic), TRUE)))
+	    continue;
+
 	  lin = rin = 0;
 
 	  /* special case */
@@ -1161,7 +1166,6 @@ loopOptimizations (hTab * orderedLoops, eBBlock ** ebbs, int count)
   int change = 0;
   int k;
 
-
   /* if no loop optimizations requested */
   if (!optimize.loopInvariant &&
       !optimize.loopInduction)
diff --git a/src/SDCCsymt.c b/src/SDCCsymt.c
index a69710cd..99bb8e5a 100644
--- a/src/SDCCsymt.c
+++ b/src/SDCCsymt.c
@@ -1725,6 +1725,9 @@ printTypeChain (sym_link * type, FILE * of)
     {
       if (IS_DECL (type))
 	{
+	  if (DCL_PTR_VOLATILE(type)) {
+	    fprintf (of, "volatile ");
+	  }
 	  switch (DCL_TYPE (type))
 	    {
 	    case FUNCTION:
@@ -1771,7 +1774,6 @@ printTypeChain (sym_link * type, FILE * of)
 	      if (DCL_PTR_CONST (type))
 		fprintf (of, "const ");
 	      break;
-
 	    case ARRAY:
 	      fprintf (of, "array of ");
 	      break;