Use GPR_CLEAR instead of GPR_SET

sim/igen/ChangeLog

@@ -2,6 +2,11 @@ Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure: Regenerated to track ../common/aclocal.m4 changes.
 
+2000-04-12  Frank Ch. Eigler  <fche@redhat.com>
+
+	* gen-semantics.c (print_semantic_body): Use GPR_CLEAR(N) instead
+	of GPR_SET(N,0) for gen-zero-rN.
+
 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* Makefile.in (SIM_WARNINGS): Replace this with.

sim/igen/gen-semantics.c

@@ -246,7 +246,7 @@ print_semantic_body (lf *file,
     {
       lf_printf (file, "\n");
       lf_printf (file, "/* Architecture expects REG to be zero */\n");
-      lf_printf (file, "GPR_SET(%d, 0);\n", options.gen.zero_reg_nr);
+      lf_printf (file, "GPR_CLEAR(%d);\n", options.gen.zero_reg_nr);
     }
   
   /* generate the code (or at least something */