Accept a unary operator in find_reloads

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@13016 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/reload.c b/gcc/reload.c
index 5f72b14..049c3a0 100644 (file)
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -2533,9 +2533,10 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p)
                                 ind_levels,
                                 set != 0
                                 && &SET_DEST (set) == recog_operand_loc[i]);
-      else if (code == PLUS)
-       /* We can get a PLUS as an "operand" as a result of
-          register elimination.  See eliminate_regs and gen_reload.  */
+      else if (code == PLUS || GET_RTX_CLASS (code) == '1')
+       /* We can get a PLUS as an "operand" as a result of register
+          elimination.  See eliminate_regs and gen_reload.  We handle
+          a unary operator by reloading the operand.  */
        substed_operand[i] = recog_operand[i] = *recog_operand_loc[i]
          = find_reloads_toplev (recog_operand[i], i, address_type[i],
                                 ind_levels, 0);
@@ -2674,6 +2675,11 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p)
          int constmemok = 0;
          int earlyclobber = 0;
 
+         /* If the predicate accepts a unary operator, it means that
+             we need to reload the operand.  */
+         if (GET_RTX_CLASS (GET_CODE (operand)) == '1')
+           operand = XEXP (operand, 0);
+
          /* If the operand is a SUBREG, extract
             the REG or MEM (or maybe even a constant) within.
             (Constants can occur as a result of reg_equiv_constant.)  */