Mercurial > hg > truffle
annotate src/cpu/x86/vm/c1_FrameMap_x86.hpp @ 15471:ef315dfdda35
new GraphUtil.predecessorIterable
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Fri, 02 May 2014 14:47:09 +0200 |
parents | 4ca6dc0799b6 |
children | 89152779163c |
rev | line source |
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0 | 1 /* |
14909 | 2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef CPU_X86_VM_C1_FRAMEMAP_X86_HPP |
26 #define CPU_X86_VM_C1_FRAMEMAP_X86_HPP | |
27 | |
0 | 28 // On i486 the frame looks as follows: |
29 // | |
30 // +-----------------------------+---------+----------------------------------------+----------------+----------- | |
31 // | size_arguments-nof_reg_args | 2 words | size_locals-size_arguments+numreg_args | _size_monitors | spilling . | |
32 // +-----------------------------+---------+----------------------------------------+----------------+----------- | |
33 // | |
34 // The FPU registers are mapped with their offset from TOS; therefore the | |
35 // status of FPU stack must be updated during code emission. | |
36 | |
37 public: | |
38 static const int pd_c_runtime_reserved_arg_size; | |
39 | |
40 enum { | |
41 nof_xmm_regs = pd_nof_xmm_regs_frame_map, | |
42 nof_caller_save_xmm_regs = pd_nof_caller_save_xmm_regs_frame_map, | |
43 first_available_sp_in_frame = 0, | |
304 | 44 #ifndef _LP64 |
0 | 45 frame_pad_in_bytes = 8, |
46 nof_reg_args = 2 | |
304 | 47 #else |
48 frame_pad_in_bytes = 16, | |
49 nof_reg_args = 6 | |
50 #endif // _LP64 | |
0 | 51 }; |
52 | |
53 private: | |
54 static LIR_Opr _caller_save_xmm_regs [nof_caller_save_xmm_regs]; | |
55 | |
56 static XMMRegister _xmm_regs[nof_xmm_regs]; | |
57 | |
58 public: | |
59 static LIR_Opr receiver_opr; | |
60 | |
61 static LIR_Opr rsi_opr; | |
62 static LIR_Opr rdi_opr; | |
63 static LIR_Opr rbx_opr; | |
64 static LIR_Opr rax_opr; | |
65 static LIR_Opr rdx_opr; | |
66 static LIR_Opr rcx_opr; | |
67 static LIR_Opr rsp_opr; | |
68 static LIR_Opr rbp_opr; | |
69 | |
70 static LIR_Opr rsi_oop_opr; | |
71 static LIR_Opr rdi_oop_opr; | |
72 static LIR_Opr rbx_oop_opr; | |
73 static LIR_Opr rax_oop_opr; | |
74 static LIR_Opr rdx_oop_opr; | |
75 static LIR_Opr rcx_oop_opr; | |
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76 |
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77 static LIR_Opr rsi_metadata_opr; |
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78 static LIR_Opr rdi_metadata_opr; |
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79 static LIR_Opr rbx_metadata_opr; |
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80 static LIR_Opr rax_metadata_opr; |
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81 static LIR_Opr rdx_metadata_opr; |
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82 static LIR_Opr rcx_metadata_opr; |
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83 |
304 | 84 #ifdef _LP64 |
0 | 85 |
304 | 86 static LIR_Opr r8_opr; |
87 static LIR_Opr r9_opr; | |
88 static LIR_Opr r10_opr; | |
89 static LIR_Opr r11_opr; | |
90 static LIR_Opr r12_opr; | |
91 static LIR_Opr r13_opr; | |
92 static LIR_Opr r14_opr; | |
93 static LIR_Opr r15_opr; | |
94 | |
95 static LIR_Opr r8_oop_opr; | |
96 static LIR_Opr r9_oop_opr; | |
97 | |
98 static LIR_Opr r11_oop_opr; | |
99 static LIR_Opr r12_oop_opr; | |
100 static LIR_Opr r13_oop_opr; | |
101 static LIR_Opr r14_oop_opr; | |
102 | |
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103 static LIR_Opr r8_metadata_opr; |
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104 static LIR_Opr r9_metadata_opr; |
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105 |
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106 static LIR_Opr r11_metadata_opr; |
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107 static LIR_Opr r12_metadata_opr; |
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108 static LIR_Opr r13_metadata_opr; |
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109 static LIR_Opr r14_metadata_opr; |
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110 |
304 | 111 #endif // _LP64 |
112 | |
113 static LIR_Opr long0_opr; | |
114 static LIR_Opr long1_opr; | |
0 | 115 static LIR_Opr fpu0_float_opr; |
116 static LIR_Opr fpu0_double_opr; | |
117 static LIR_Opr xmm0_float_opr; | |
118 static LIR_Opr xmm0_double_opr; | |
119 | |
304 | 120 #ifdef _LP64 |
121 static LIR_Opr as_long_opr(Register r) { | |
122 return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r)); | |
123 } | |
124 static LIR_Opr as_pointer_opr(Register r) { | |
125 return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r)); | |
126 } | |
127 #else | |
0 | 128 static LIR_Opr as_long_opr(Register r, Register r2) { |
129 return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r2)); | |
130 } | |
304 | 131 static LIR_Opr as_pointer_opr(Register r) { |
132 return LIR_OprFact::single_cpu(cpu_reg2rnr(r)); | |
133 } | |
134 #endif // _LP64 | |
0 | 135 |
136 // VMReg name for spilled physical FPU stack slot n | |
137 static VMReg fpu_regname (int n); | |
138 | |
139 static XMMRegister nr2xmmreg(int rnr); | |
140 | |
141 static bool is_caller_save_register (LIR_Opr opr) { return true; } | |
142 static bool is_caller_save_register (Register r) { return true; } | |
143 | |
144 static LIR_Opr caller_save_xmm_reg_at(int i) { | |
145 assert(i >= 0 && i < nof_caller_save_xmm_regs, "out of bounds"); | |
146 return _caller_save_xmm_regs[i]; | |
147 } | |
1972 | 148 |
2002 | 149 static int adjust_reg_range(int range) { |
150 // Reduce the number of available regs (to free r12) in case of compressed oops | |
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151 if (UseCompressedOops || UseCompressedClassPointers) return range - 1; |
2002 | 152 return range; |
153 } | |
154 | |
155 static int nof_caller_save_cpu_regs() { return adjust_reg_range(pd_nof_caller_save_cpu_regs_frame_map); } | |
156 static int last_cpu_reg() { return adjust_reg_range(pd_last_cpu_reg); } | |
157 static int last_byte_reg() { return adjust_reg_range(pd_last_byte_reg); } | |
158 | |
1972 | 159 #endif // CPU_X86_VM_C1_FRAMEMAP_X86_HPP |
2002 | 160 |