1 /*
2 * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2012, 2015 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
35
36 LIR_Opr FrameMap::map_to_opr(BasicType type, VMRegPair* reg, bool outgoing) {
37 LIR_Opr opr = LIR_OprFact::illegalOpr;
38 VMReg r_1 = reg->first();
39 VMReg r_2 = reg->second();
40 if (r_1->is_stack()) {
41 // Convert stack slot to an SP offset.
42 // The calling convention does not count the SharedRuntime::out_preserve_stack_slots() value
43 // so we must add it in here.
44 int st_off = (r_1->reg2stack() + SharedRuntime::out_preserve_stack_slots()) * VMRegImpl::stack_slot_size;
45 opr = LIR_OprFact::address(new LIR_Address(SP_opr, st_off + STACK_BIAS, type));
46 } else if (r_1->is_Register()) {
47 Register reg = r_1->as_Register();
48 //if (outgoing) {
49 // assert(!reg->is_in(), "should be using I regs");
50 //} else {
51 // assert(!reg->is_out(), "should be using O regs");
52 //}
53 if (r_2->is_Register() && (type == T_LONG || type == T_DOUBLE)) {
54 opr = as_long_opr(reg);
55 } else if (type == T_OBJECT || type == T_ARRAY) {
56 opr = as_oop_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 FloatRegister f = r_1->as_FloatRegister();
63 if (type == T_DOUBLE) {
64 opr = as_double_opr(f);
65 } else {
66 opr = as_float_opr(f);
67 }
68 }
69 return opr;
70 }
71
72 // FrameMap
73 //--------------------------------------------------------
74
75 FloatRegister FrameMap::_fpu_regs [FrameMap::nof_fpu_regs];
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1 /*
2 * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2012, 2019 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
35
36 LIR_Opr FrameMap::map_to_opr(BasicType type, VMRegPair* reg, bool outgoing) {
37 LIR_Opr opr = LIR_OprFact::illegalOpr;
38 VMReg r_1 = reg->first();
39 VMReg r_2 = reg->second();
40 if (r_1->is_stack()) {
41 // Convert stack slot to an SP offset.
42 // The calling convention does not count the SharedRuntime::out_preserve_stack_slots() value
43 // so we must add it in here.
44 int st_off = (r_1->reg2stack() + SharedRuntime::out_preserve_stack_slots()) * VMRegImpl::stack_slot_size;
45 opr = LIR_OprFact::address(new LIR_Address(SP_opr, st_off + STACK_BIAS, type));
46 } else if (r_1->is_Register()) {
47 Register reg = r_1->as_Register();
48 //if (outgoing) {
49 // assert(!reg->is_in(), "should be using I regs");
50 //} else {
51 // assert(!reg->is_out(), "should be using O regs");
52 //}
53 if (r_2->is_Register() && (type == T_LONG || type == T_DOUBLE)) {
54 opr = as_long_opr(reg);
55 } else if (is_reference_type(type)) {
56 opr = as_oop_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 FloatRegister f = r_1->as_FloatRegister();
63 if (type == T_DOUBLE) {
64 opr = as_double_opr(f);
65 } else {
66 opr = as_float_opr(f);
67 }
68 }
69 return opr;
70 }
71
72 // FrameMap
73 //--------------------------------------------------------
74
75 FloatRegister FrameMap::_fpu_regs [FrameMap::nof_fpu_regs];
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