tree.def (UNNE_EXPR): Remove.

        * tree.def (UNNE_EXPR): Remove.
        * c-typeck.c (build_binary_op): Don't handle it.
        * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
        * cp/typeck.c (build_binary_op_nodefault): Likewise.

        * rtl.def (UNNE): Remove.
        (LTGT): Add.
        * jump.c (reverse_condition): Update accordingly.
        (swap_condition): Likewise.
        (comparison_dominates_p): Handle unordered comparisons.
        (reverse_condition_maybe_unordered): New.
        * rtl.h (reverse_condition_maybe_unordered): Declare.

        * sparc.c (select_cc_mode): Update for UNNE/LTGT.
        (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
        * sparc.h (REVERSIBLE_CC_MODE): Always true.  Update docs.
        * sparc.md (bltgt): New.

From-SVN: r31624

1 files changed, 1 insertions, 7 deletions

diff --git a/gcc/expr.c b/gcc/expr.c
index 62f7d56..41b0188 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -7626,7 +7626,6 @@ expand_expr (exp, target, tmode, modifier)
     case UNGT_EXPR:
     case UNGE_EXPR:
     case UNEQ_EXPR:
-    case UNNE_EXPR:
       preexpand_calls (exp);
       temp = do_store_flag (exp, target, tmode != VOIDmode ? tmode : mode, 0);
       if (temp != 0)
@@ -9556,9 +9555,7 @@ do_jump (exp, if_false_label, if_true_label)
 	rcode1 = UNEQ;
 	tcode2 = EQ_EXPR;
 	goto unordered_bcc;
-      case UNNE_EXPR:
-	rcode1 = UNNE;
-	tcode2 = NE_EXPR;
+
       unordered_bcc:
         mode = TYPE_MODE (TREE_TYPE (TREE_OPERAND (exp, 0)));
 	if (can_compare_p (rcode1, mode, ccp_jump))
@@ -10165,9 +10162,6 @@ do_store_flag (exp, target, mode, only_cheap)
     case UNEQ_EXPR:
       code = UNEQ;
       break;
-    case UNNE_EXPR:
-      code = UNNE;
-      break;
 
     default:
       abort ();