1 /*
2 * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2014, Red Hat Inc. 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 *
24 */
25 // This file is a derivative work resulting from (and including) modifications
26 // made by Azul Systems, Inc. The dates of such changes are 2013-2016.
27 // Copyright 2013-2016 Azul Systems, Inc. All Rights Reserved.
28 //
29 // Please contact Azul Systems, 385 Moffett Park Drive, Suite 115, Sunnyvale,
30 // CA 94089 USA or visit www.azul.com if you need additional information or
31 // have any questions.
32
33 #ifndef CPU_X86_VM_C1_LIRASSEMBLER_AARCH32_HPP
34 #define CPU_X86_VM_C1_LIRASSEMBLER_AARCH32_HPP
35
36 #include "assembler_aarch32.hpp"
37
38
39 private:
40
41 int array_element_size(BasicType type) const;
42
43 // helper functions which checks for overflow and sets bailout if it
44 // occurs. Always returns a valid embeddable pointer but in the
45 // bailout case the pointer won't be to unique storage.
46 address float_constant(float f);
47 address double_constant(double d);
48
49 address int_constant(jlong n);
50
51 Address as_Address(LIR_Address* addr, Register tmp, Address::InsnDataType type);
52 Address as_Address_hi(LIR_Address* addr, Address::InsnDataType type);
53 Address as_Address_lo(LIR_Address* addr, Address::InsnDataType type);
54
55 Address as_Address(LIR_Address* addr, Address::InsnDataType type) {
56 return as_Address(addr, rscratch1, type);
57 }
58
59
60 // Record the type of the receiver in ReceiverTypeData
61 void type_profile_helper(Register mdo,
62 ciMethodData *md, ciProfileData *data,
63 Register recv, Label* update_done);
64 void add_debug_info_for_branch(address adr, CodeEmitInfo* info);
65
66 void casw(Register addr, Register newval, Register cmpval, Register result);
67 void casl(Register addr, Register newval_lo, Register newval_hi,
68 Register cmpval_lo, Register cmpval_hi,
69 Register tmp_lo, Register tmp_hi, Register result);
70
71 FloatRegister as_float_reg(LIR_Opr doubleReg);
72
73 static const int max_tableswitches = 20;
74 struct tableswitch switches[max_tableswitches];
75 int tableswitch_count;
76
77 void init() { tableswitch_count = 0; }
78
79 void deoptimize_trap(CodeEmitInfo *info);
80
81 // remap input register (*s1 or *s2) to a temp one if it is at the same time
82 // used a result register (d) of a preceeding operation (so otherwise its
83 // contents gets effectively corrupt)
84 void check_register_collision(Register d, Register *s1, Register *s2 = NULL, Register tmp = rscratch1);
85
86 public:
87
88 void store_parameter(Register r, int offset_from_sp_in_words);
89 void store_parameter(jint c, int offset_from_sp_in_words);
90 void store_parameter(jobject c, int offset_from_sp_in_words);
91
92 enum { call_stub_size = 12 * NativeInstruction::arm_insn_sz,
93 exception_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(175),
94 deopt_handler_size = 7 * NativeInstruction::arm_insn_sz };
95
96 #endif // CPU_X86_VM_C1_LIRASSEMBLER_AARCH32_HPP