(assign_parms): If parmreg is a CONCAT, handle the

case where stack_parm is 0. From-SVN: r5940

(assign_parms): If parmreg is a CONCAT, handle the
case where stack_parm is 0. From-SVN: r5940
7b1a0c14 · Richard Stallman · b3487765 · 7b1a0c14
Commit 7b1a0c14 authored Oct 30, 1993 by Richard Stallman
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Showing with 14 additions and 4 deletions

gcc/function.c
+14 -4

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--- a/gcc/function.c
+++ b/gcc/function.c
@@ -3489,10 +3489,20 @@ assign_parms (fndecl, second_time)
 	    {
 	      enum machine_mode submode = GET_MODE (XEXP (parmreg, 0));
-	      parm_reg_stack_loc[REGNO (gen_lowpart (submode, parmreg))]
+	      if (stack_parm != 0)
-	        = gen_lowpart (submode, stack_parm);
+		{
-	      parm_reg_stack_loc[REGNO (gen_highpart (submode, parmreg))]
+		  parm_reg_stack_loc[REGNO (gen_lowpart (submode, parmreg))]
-		= gen_highpart (submode, stack_parm);
+		    = gen_lowpart (submode, stack_parm);
+		  parm_reg_stack_loc[REGNO (gen_highpart (submode, parmreg))]
+		    = gen_highpart (submode, stack_parm);
+		}
+	      else
+		{
+		  parm_reg_stack_loc[REGNO (gen_lowpart (submode, parmreg))]
+		    = 0;
+		  parm_reg_stack_loc[REGNO (gen_highpart (submode, parmreg))]
+		    = 0;
+		}
 	    }
 	  else
 	    parm_reg_stack_loc[REGNO (parmreg)] = stack_parm;