--- a/Float.st	Sat Dec 23 01:17:56 1995 +0100
+++ b/Float.st	Sat Dec 23 01:35:10 1995 +0100
@@ -727,15 +727,12 @@
     REGISTER char *cp;
     OBJ s;
 
-#ifdef THISCONTEXT_IN_REGISTER
     /*
      * actually only needed on sparc: since thisContext is
      * in a global register, which gets destroyed by printf,
      * manually save it here - very stupid ...
      */
-    extern OBJ __thisContext__;
-    __thisContext__ = __thisContext;
-#endif
+    __BEGIN_PROTECT_REGISTERS__
 
 #ifdef SYSV
     sprintf(buffer, "%.6lg", _floatVal(self));
@@ -743,10 +740,7 @@
     sprintf(buffer, "%.6G", _floatVal(self));
 #endif
 
-#ifdef THISCONTEXT_IN_REGISTER
-    __thisContext = __thisContext__;
-    __thisContext__ = nil;
-#endif
+    __END_PROTECT_REGISTERS__
     /* 
      * kludge to make integral float f prints as "f.0" (not as "f" as printf does)
      * (i.e. look if string contains '.' or 'e' and append '.0' if not)
@@ -796,22 +790,16 @@
     OBJ s;
 
     if (__isString(formatString)) {
-#ifdef THISCONTEXT_IN_REGISTER
 	/*
 	 * actually only needed on sparc: since thisContext is
 	 * in a global register, which gets destroyed by printf,
 	 * manually save it here - very stupid ...
 	 */
-	extern OBJ __thisContext__;
-	__thisContext__ = __thisContext;
-#endif
+	__BEGIN_PROTECT_REGISTERS__
 
 	sprintf(buffer, _stringVal(formatString), _floatVal(self));
 
-#ifdef THISCONTEXT_IN_REGISTER
-	__thisContext = __thisContext;
-	__thisContext__ = nil;
-#endif
+	__END_PROTECT_REGISTERS__
 
 	s = _MKSTRING(buffer COMMA_SND);
 	if (s != nil) {
@@ -1037,5 +1025,5 @@
 !Float class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic/Float.st,v 1.32 1995-12-07 21:34:29 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/Float.st,v 1.33 1995-12-23 00:34:09 cg Exp $'
 ! !