(record_reg_classes): Check if operands are the same by seeing if they

are the same register. From-SVN: r5632

(record_reg_classes): Check if operands are the same by seeing if they
are the same register. From-SVN: r5632
37747c82 · Richard Kenner · 2bb81c86 · 37747c82
Commit 37747c82 authored Oct 06, 1993 by Richard Kenner
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gcc/regclass.c
+3 -4

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--- a/gcc/regclass.c
+++ b/gcc/regclass.c
@@ -998,10 +998,9 @@ record_reg_classes (n_alts, n_ops, ops, modes, constraints, insn)
 		     instruction.  */

 		  this_op_costs[i] = this_op_costs[j];
-		  if (! (GET_CODE (op) == REG && rtx_equal_p (op, ops[j])))
-		    /* No cost if both are the same pseudo reg.  */
-		    if (! find_reg_note (insn, REG_DEAD, op))
-		      alt_cost += 2;
+		  if (REGNO (ops[i]) != REGNO (ops[j])
+		      && ! find_reg_note (insn, REG_DEAD, op))
+		    alt_cost += 2;

 		  /* This is in place of ordinary cost computation
 		     for this operand, so skip to the end of the