(dbxout_parms): Handle invisible ref where decl is a REG

From-SVN: r38720

(dbxout_parms): Handle invisible ref where decl is a REG
From-SVN: r38720
ebb0cdf3 · Catherine Moore · Catherine Moore · 3b4e6a16 · ebb0cdf3 · ebb0cdf3
Commit ebb0cdf3 authored Jan 05, 2001 by Catherine Moore Committed by Catherine Moore Jan 05, 2001
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gcc/ChangeLog
+4 -0

gcc/dbxout.c
+5 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2001-01-05  Catherine Moore  <clm@redhat.com>
+
+	* dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
+
 2001-01-05  Phil Edwards  <pme@sources.redhat.com>

 	* cp/lang-options.h:  Bring comment in line with reality.

--- a/gcc/dbxout.c
+++ b/gcc/dbxout.c
@@ -2474,10 +2474,14 @@ dbxout_parms (parms)
 	  {
 	    /* Parm was passed via invisible reference, with the reference
 	       living on the stack.  DECL_RTL looks like
-	       (MEM (MEM (PLUS (REG ...) (CONST_INT ...)))).  */
+	       (MEM (MEM (PLUS (REG ...) (CONST_INT ...)))) or it
+	       could look like (MEM (MEM (REG))).  */
 	    const char *decl_name = (DECL_NAME (parms)
 				     ? IDENTIFIER_POINTER (DECL_NAME (parms))
 				     : "(anon)");
+           if (GET_CODE (XEXP (XEXP (DECL_RTL (parms), 0), 0)) == REG)
+              current_sym_value = 0;
+	    else
 	      current_sym_value
 	        = INTVAL (XEXP (XEXP (XEXP (DECL_RTL (parms), 0), 0), 1));
 	    current_sym_addr = 0;