From: Richard Stallman <rms@gnu.org>
Date: Tue, 27 Jul 1993 18:52:32 +0000 (+0000)
Subject: (assign_parms): Don't copy too much when extending parm_reg_stack_loc.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=19fdd3eecb6ae79bd9b1af26d287462351b6e020;p=gcc.git

(assign_parms): Don't copy too much when extending parm_reg_stack_loc.

From-SVN: r5004
---

diff --git a/gcc/function.c b/gcc/function.c
index 3410956e71f..a2ac08afbf8 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -3295,9 +3295,11 @@ assign_parms (fndecl, second_time)
 	  if (REGNO (parmreg) >= nparmregs)
 	    {
 	      rtx *new;
+	      int old_nparmregs = nparmregs;
 	      nparmregs = REGNO (parmreg) + 5;
 	      new = (rtx *) oballoc (nparmregs * sizeof (rtx));
-	      bcopy (parm_reg_stack_loc, new, nparmregs * sizeof (rtx));
+	      bcopy (parm_reg_stack_loc, new, old_nparmregs * sizeof (rtx));
+	      bzero (new + old_nparmregs, (nparmregs - old_nparmregs) * sizeof (rtx));
 	      parm_reg_stack_loc = new;
 	    }
 	  parm_reg_stack_loc[REGNO (parmreg)] = stack_parm;