arm: remove unused code, using tst to avoid cmp,0 not necessary

[r27817]

diff --git a/ir/be/arm/arm_transform.c b/ir/be/arm/arm_transform.c
index 039dc86..bb63ca3 100644 (file)
--- a/ir/be/arm/arm_transform.c
+++ b/ir/be/arm/arm_transform.c
@@ -1025,39 +1025,11 @@ static ir_node *gen_Cmp(ir_node *node)
                new_op2 = be_transform_node(op2);
 
                return new_bd_arm_Cmfe(dbgi, block, new_op1, new_op2, false);
-
-               panic("FloatCmp NIY");
-#if 0
-               ir_node *new_op2  = be_transform_node(op2);
-               /* floating point compare */
-               pn_Cmp pnc = get_Proj_proj(selector);
-
-               if (pnc & pn_Cmp_Uo) {
-                       /* check for unordered, need cmf */
-                       return new_bd_arm_CmfBra(dbgi, block, new_op1, new_op2, pnc);
-               }
-               /* Hmm: use need cmfe */
-               return new_bd_arm_CmfeBra(dbgi, block, new_op1, new_op2, pnc);
-#endif
        }
 
        assert(get_irn_mode(op2) == cmp_mode);
        is_unsigned = !mode_is_signed(cmp_mode);
 
-       /* compare with 0 can be done with Tst */
-       if (is_Const(op2) && is_Const_null(op2)) {
-               new_op1 = be_transform_node(op1);
-               new_op1 = gen_extension(dbgi, block, new_op1, cmp_mode);
-               return new_bd_arm_Tst_reg(dbgi, block, new_op1, new_op1, /*ins_permuted=*/false,
-                                         is_unsigned);
-       }
-       if (is_Const(op1) && is_Const_null(op1)) {
-               new_op2 = be_transform_node(op2);
-               new_op2 = gen_extension(dbgi, block, new_op2, cmp_mode);
-               return new_bd_arm_Tst_reg(dbgi, block, new_op2, new_op2, /*ins_permuted=*/true,
-                                         is_unsigned);
-       }
-
        /* integer compare, TODO: use shifter_op in all its combinations */
        new_op1 = be_transform_node(op1);
        new_op1 = gen_extension(dbgi, block, new_op1, cmp_mode);