(record_reg_classes): Fix logic in case of matching operands.

From-SVN: r6528

diff --git a/gcc/regclass.c b/gcc/regclass.c
index e055c4f1d1f8b639e2f75275697622927bb65618..3beac27076e3b6bc9956530518f0c2a2ba47dc9a 100644 (file)
--- a/gcc/regclass.c
+++ b/gcc/regclass.c
@@ -988,15 +988,15 @@ record_reg_classes (n_alts, n_ops, ops, modes, constraints, insn)
              if (GET_CODE (op) != REG || REGNO (op) < FIRST_PSEUDO_REGISTER)
                {
                  /* If this matches the other operand, we have no added
-                    cost.  */
+                    cost and we win.  */
                  if (rtx_equal_p (ops[j], op))
-                   ;
+                   win = 1;
 
                  /* If we can put the other operand into a register, add to
                     the cost of this alternative the cost to copy this
                     operand to the register used for the other operand.  */
 
-                 if (classes[j] != NO_REGS)
+                 else if (classes[j] != NO_REGS)
                    alt_cost += copy_cost (op, mode, classes[j], 1), win = 1;
                }
              else if (GET_CODE (ops[j]) != REG