Merge cond-optab branch.

[pf3gnuchains/gcc-fork.git] / gcc / dojump.c

diff --git a/gcc/dojump.c b/gcc/dojump.c
index 3643085..76f62c6 100644 (file)
--- a/gcc/dojump.c
+++ b/gcc/dojump.c
@@ -756,64 +756,6 @@ do_jump_by_parts_equality (tree exp, rtx if_false_label, rtx if_true_label)
                                 if_true_label);
 }
 \f
-/* Generate code for a comparison of OP0 and OP1 with rtx code CODE.
-   MODE is the machine mode of the comparison, not of the result.
-   (including code to compute the values to be compared) and set CC0
-   according to the result.  The decision as to signed or unsigned
-   comparison must be made by the caller.
-
-   We force a stack adjustment unless there are currently
-   things pushed on the stack that aren't yet used.
-
-   If MODE is BLKmode, SIZE is an RTX giving the size of the objects being
-   compared.  */
-
-rtx
-compare_from_rtx (rtx op0, rtx op1, enum rtx_code code, int unsignedp,
-                 enum machine_mode mode, rtx size)
-{
-  rtx tem;
-
-  /* If one operand is constant, make it the second one.  Only do this
-     if the other operand is not constant as well.  */
-
-  if (swap_commutative_operands_p (op0, op1))
-    {
-      tem = op0;
-      op0 = op1;
-      op1 = tem;
-      code = swap_condition (code);
-    }
-
-  do_pending_stack_adjust ();
-
-  code = unsignedp ? unsigned_condition (code) : code;
-  tem = simplify_relational_operation (code, VOIDmode, mode, op0, op1);
-  if (tem)
-    {
-      if (CONSTANT_P (tem))
-       return tem;
-
-      if (COMPARISON_P (tem))
-       {
-         code = GET_CODE (tem);
-         op0 = XEXP (tem, 0);
-         op1 = XEXP (tem, 1);
-         mode = GET_MODE (op0);
-         unsignedp = (code == GTU || code == LTU
-                      || code == GEU || code == LEU);
-       }
-    }
-
-  emit_cmp_insn (op0, op1, code, size, mode, unsignedp);
-
-#if HAVE_cc0
-  return gen_rtx_fmt_ee (code, VOIDmode, cc0_rtx, const0_rtx);
-#else
-  return gen_rtx_fmt_ee (code, VOIDmode, op0, op1);
-#endif
-}
-
 /* Like do_compare_and_jump but expects the values to compare as two rtx's.
    The decision as to signed or unsigned comparison must be made by the caller.