1 /*
2 * Copyright (c) 1999, 2013, 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 *
33 LIR_Opr FrameMap::map_to_opr(BasicType type, VMRegPair* reg, bool) {
34 LIR_Opr opr = LIR_OprFact::illegalOpr;
35 VMReg r_1 = reg->first();
36 VMReg r_2 = reg->second();
37 if (r_1->is_stack()) {
38 // Convert stack slot to an SP offset
39 // The calling convention does not count the SharedRuntime::out_preserve_stack_slots() value
40 // so we must add it in here.
41 int st_off = (r_1->reg2stack() + SharedRuntime::out_preserve_stack_slots()) * VMRegImpl::stack_slot_size;
42 opr = LIR_OprFact::address(new LIR_Address(rsp_opr, st_off, type));
43 } else if (r_1->is_Register()) {
44 Register reg = r_1->as_Register();
45 if (r_2->is_Register() && (type == T_LONG || type == T_DOUBLE)) {
46 Register reg2 = r_2->as_Register();
47 #ifdef _LP64
48 assert(reg2 == reg, "must be same register");
49 opr = as_long_opr(reg);
50 #else
51 opr = as_long_opr(reg2, reg);
52 #endif // _LP64
53 } else if (type == T_OBJECT || type == T_ARRAY) {
54 opr = as_oop_opr(reg);
55 } else if (type == T_METADATA) {
56 opr = as_metadata_opr(reg);
57 } else {
58 opr = as_opr(reg);
59 }
60 } else if (r_1->is_FloatRegister()) {
61 assert(type == T_DOUBLE || type == T_FLOAT, "wrong type");
62 int num = r_1->as_FloatRegister()->encoding();
63 if (type == T_FLOAT) {
64 opr = LIR_OprFact::single_fpu(num);
65 } else {
66 opr = LIR_OprFact::double_fpu(num);
67 }
68 } else if (r_1->is_XMMRegister()) {
69 assert(type == T_DOUBLE || type == T_FLOAT, "wrong type");
70 int num = r_1->as_XMMRegister()->encoding();
71 if (type == T_FLOAT) {
72 opr = LIR_OprFact::single_xmm(num);
73 } else {
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1 /*
2 * Copyright (c) 1999, 2019, 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 *
33 LIR_Opr FrameMap::map_to_opr(BasicType type, VMRegPair* reg, bool) {
34 LIR_Opr opr = LIR_OprFact::illegalOpr;
35 VMReg r_1 = reg->first();
36 VMReg r_2 = reg->second();
37 if (r_1->is_stack()) {
38 // Convert stack slot to an SP offset
39 // The calling convention does not count the SharedRuntime::out_preserve_stack_slots() value
40 // so we must add it in here.
41 int st_off = (r_1->reg2stack() + SharedRuntime::out_preserve_stack_slots()) * VMRegImpl::stack_slot_size;
42 opr = LIR_OprFact::address(new LIR_Address(rsp_opr, st_off, type));
43 } else if (r_1->is_Register()) {
44 Register reg = r_1->as_Register();
45 if (r_2->is_Register() && (type == T_LONG || type == T_DOUBLE)) {
46 Register reg2 = r_2->as_Register();
47 #ifdef _LP64
48 assert(reg2 == reg, "must be same register");
49 opr = as_long_opr(reg);
50 #else
51 opr = as_long_opr(reg2, reg);
52 #endif // _LP64
53 } else if (is_reference_type(type)) {
54 opr = as_oop_opr(reg);
55 } else if (type == T_METADATA) {
56 opr = as_metadata_opr(reg);
57 } else {
58 opr = as_opr(reg);
59 }
60 } else if (r_1->is_FloatRegister()) {
61 assert(type == T_DOUBLE || type == T_FLOAT, "wrong type");
62 int num = r_1->as_FloatRegister()->encoding();
63 if (type == T_FLOAT) {
64 opr = LIR_OprFact::single_fpu(num);
65 } else {
66 opr = LIR_OprFact::double_fpu(num);
67 }
68 } else if (r_1->is_XMMRegister()) {
69 assert(type == T_DOUBLE || type == T_FLOAT, "wrong type");
70 int num = r_1->as_XMMRegister()->encoding();
71 if (type == T_FLOAT) {
72 opr = LIR_OprFact::single_xmm(num);
73 } else {
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