* emit-rtl.c (gen_rtx): Zero '0' fields.

From-SVN: r65488

* emit-rtl.c (gen_rtx): Zero '0' fields.
From-SVN: r65488
a73071bc · Richard Henderson · Richard Henderson · ca06cfe6 · a73071bc · a73071bc
Commit a73071bc authored Apr 11, 2003 by Richard Henderson Committed by Richard Henderson Apr 11, 2003
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gcc/ChangeLog
+4 -0

gcc/emit-rtl.c
+2 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 2003-04-11  Richard Henderson  <rth@redhat.com>

+	* emit-rtl.c (gen_rtx): Zero '0' fields.
+
+2003-04-11  Richard Henderson  <rth@redhat.com>
+
 	PR c++/10202
 	* expr.c (expand_expr): Use COMPLETE_OR_UNBOUND_ARRAY_TYPE_P
 	not COMPLETE_TYPE_P for re-invoking layout_decl.

--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -755,7 +755,8 @@ gen_rtx VPARAMS ((enum rtx_code code, enum machine_mode mode, ...))
 	{
 	  switch (*fmt++)
 	    {
-	    case '0':		/* Unused field.  */
+	    case '0':		/* Field with unknown use.  Zero it.  */
+	      X0EXP (rt, 1) = NULL_RTX;
 	      break;

 	    case 'i':		/* An integer?  */