reload1.c (eliminate_regs_in_insn): Handle another case when eliminating the…

reload1.c (eliminate_regs_in_insn): Handle another case when eliminating the frame pointer to the hard frame pointer.

        * reload1.c (eliminate_regs_in_insn): Handle another case when
        eliminating the frame pointer to the hard frame pointer.  Add
        missing ep->to_rtx check to one existing case.

From-SVN: r21705

gcc/ChangeLog

 Thu Aug 13 20:14:40 1998  Jim Wilson  <wilson@cygnus.com>
 
+	* reload1.c (eliminate_regs_in_insn): Handle another case when
+	eliminating the frame pointer to the hard frame pointer.  Add
+	missing	ep->to_rtx check to one existing case.
+
 	* mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
 
 Thu Aug 13 17:08:11 1998  Jason Merrill  <jason@yorick.cygnus.com>

gcc/reload1.c

@@ -3416,8 +3416,13 @@ eliminate_regs_in_insn (insn, replace)
 		if (src == ep->to_rtx)
 		  offset = 0, ok = 1;
 		else if (GET_CODE (src) == PLUS
-			 && GET_CODE (XEXP (src, 0)) == CONST_INT)
+			 && GET_CODE (XEXP (src, 0)) == CONST_INT
+			 && XEXP (src, 1) == ep->to_rtx)
 		  offset = INTVAL (XEXP (src, 0)), ok = 1;
+		else if (GET_CODE (src) == PLUS
+			 && GET_CODE (XEXP (src, 1)) == CONST_INT
+			 && XEXP (src, 0) == ep->to_rtx)
+		  offset = INTVAL (XEXP (src, 1)), ok = 1;
 		else if ((prev_insn = prev_nonnote_insn (insn)) != 0
 			 && (prev_set = single_set (prev_insn)) != 0
 			 && rtx_equal_p (SET_DEST (prev_set), src))