1 /*
 2  * Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  *
23  */
24 
25 #include "precompiled.hpp"
26 #include "asm/register.hpp"
27 #include "c1/c1_LIR.hpp"
28 
29 FloatRegister LIR_OprDesc::as_float_reg() const {
30   return as_FloatRegister(fpu_regnr());
31 }
32 
33 FloatRegister LIR_OprDesc::as_double_reg() const {
34   return as_FloatRegister(fpu_regnrLo());
35 }
36 
37 // Reg2 unused.
38 LIR_Opr LIR_OprFact::double_fpu(int reg1, int reg2) {
39   assert(as_FloatRegister(reg2) == fnoreg, "Not used on this platform");
40   return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) |
41                              (reg1 << LIR_OprDesc::reg2_shift) |
42                              LIR_OprDesc::double_type          |
43                              LIR_OprDesc::fpu_register         |
44                              LIR_OprDesc::double_size);
45 }
46 
47 #ifndef PRODUCT
48 void LIR_Address::verify() const {
49   assert(base()->is_cpu_register(), "wrong base operand");
50   assert(index()->is_illegal() || index()->is_double_cpu() || index()->is_single_cpu(), "wrong index operand");
51   assert(base()->type() == T_ADDRESS || base()->type() == T_OBJECT || base()->type() == T_LONG || base()->type() == T_METADATA,
52          "wrong type for addresses");
53 }
54 #endif // PRODUCT