(find_reloads): If replaced a PLUS or MULT with a simple operand,

start over again.

From-SVN: r13360

diff --git a/gcc/reload.c b/gcc/reload.c
index 6d8b2b9..f1674f7 100644 (file)
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -1,5 +1,5 @@
 /* Search an insn for pseudo regs that must be in hard regs and are not.
-   Copyright (C) 1987, 88, 89, 92-5, 1996 Free Software Foundation, Inc.
+   Copyright (C) 1987, 88, 89, 92-6, 1997 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -2518,6 +2518,20 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p)
          find_reloads_address (VOIDmode, NULL_PTR,
                                recog_operand[i], recog_operand_loc[i],
                                i, operand_type[i], ind_levels);
+
+         /* If we now have a simple operand where we used to have a 
+            PLUS or MULT, re-recognize and try again.  */
+         if ((GET_RTX_CLASS (GET_CODE (*recog_operand_loc[i])) == 'o'
+              || GET_CODE (*recog_operand_loc[i]) == SUBREG)
+             && (GET_CODE (recog_operand[i]) == MULT
+                 || GET_CODE (recog_operand[i]) == PLUS))
+           {
+             INSN_CODE (insn) = -1;
+             find_reloads (insn, replace, ind_levels, live_known,
+                           reload_reg_p);
+             return;
+           }
+
          substed_operand[i] = recog_operand[i] = *recog_operand_loc[i];
        }
       else if (code == MEM)