Mercurial > hg > truffle
annotate graal/com.oracle.max.asm/src/com/oracle/max/asm/target/amd64/AMD64MacroAssembler.java @ 5311:46fb141ae20f
Merge
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Thu, 26 Apr 2012 14:35:25 +0200 |
parents | aaac4894175c |
children | 438ab53efdd0 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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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. |
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22 */ |
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23 package com.oracle.max.asm.target.amd64; |
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24 |
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25 import com.oracle.max.asm.*; |
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26 import com.oracle.max.cri.ci.*; |
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27 import com.oracle.max.cri.ri.*; |
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28 |
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29 /** |
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30 * This class implements commonly used X86 code patterns. |
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31 */ |
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32 public class AMD64MacroAssembler extends AMD64Assembler { |
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33 |
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34 public AMD64MacroAssembler(CiTarget target, RiRegisterConfig registerConfig) { |
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35 super(target, registerConfig); |
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36 } |
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37 |
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38 public void pushptr(CiAddress src) { |
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39 pushq(src); |
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40 } |
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41 |
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42 public void popptr(CiAddress src) { |
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43 popq(src); |
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44 } |
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45 |
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46 public void xorptr(CiRegister dst, CiRegister src) { |
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47 xorq(dst, src); |
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48 } |
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49 |
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50 public void xorptr(CiRegister dst, CiAddress src) { |
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51 xorq(dst, src); |
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52 } |
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53 |
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54 // 64 bit versions |
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55 |
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56 |
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57 public void decrementq(CiRegister reg, int value) { |
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58 if (value == Integer.MIN_VALUE) { |
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59 subq(reg, value); |
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60 return; |
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61 } |
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62 if (value < 0) { |
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63 incrementq(reg, -value); |
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64 return; |
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65 } |
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66 if (value == 0) { |
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67 return; |
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68 } |
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69 if (value == 1 && AsmOptions.UseIncDec) { |
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70 decq(reg); |
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71 } else { |
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72 subq(reg, value); |
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73 } |
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74 } |
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75 |
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76 public void incrementq(CiRegister reg, int value) { |
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77 if (value == Integer.MIN_VALUE) { |
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78 addq(reg, value); |
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79 return; |
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80 } |
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81 if (value < 0) { |
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82 decrementq(reg, -value); |
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83 return; |
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84 } |
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85 if (value == 0) { |
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86 return; |
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87 } |
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88 if (value == 1 && AsmOptions.UseIncDec) { |
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89 incq(reg); |
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90 } else { |
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91 addq(reg, value); |
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92 } |
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93 } |
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94 |
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95 // These are mostly for initializing null |
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96 public void movptr(CiAddress dst, int src) { |
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97 movslq(dst, src); |
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98 } |
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99 |
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100 public final void cmp32(CiRegister src1, int imm) { |
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101 cmpl(src1, imm); |
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102 } |
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103 |
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104 public final void cmp32(CiRegister src1, CiAddress src2) { |
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105 cmpl(src1, src2); |
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106 } |
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107 |
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108 public void cmpsd2int(CiRegister opr1, CiRegister opr2, CiRegister dst, boolean unorderedIsLess) { |
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109 assert opr1.isFpu() && opr2.isFpu(); |
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110 ucomisd(opr1, opr2); |
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111 |
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112 Label l = new Label(); |
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113 if (unorderedIsLess) { |
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114 movl(dst, -1); |
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115 jcc(AMD64Assembler.ConditionFlag.parity, l); |
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116 jcc(AMD64Assembler.ConditionFlag.below, l); |
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117 movl(dst, 0); |
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118 jcc(AMD64Assembler.ConditionFlag.equal, l); |
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119 incrementl(dst, 1); |
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120 } else { // unordered is greater |
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121 movl(dst, 1); |
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122 jcc(AMD64Assembler.ConditionFlag.parity, l); |
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123 jcc(AMD64Assembler.ConditionFlag.above, l); |
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124 movl(dst, 0); |
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125 jcc(AMD64Assembler.ConditionFlag.equal, l); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
126 decrementl(dst, 1); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
127 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
128 bind(l); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
129 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
130 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
131 public void cmpss2int(CiRegister opr1, CiRegister opr2, CiRegister dst, boolean unorderedIsLess) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
132 assert opr1.isFpu(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
133 assert opr2.isFpu(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
134 ucomiss(opr1, opr2); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
135 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
136 Label l = new Label(); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
137 if (unorderedIsLess) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
138 movl(dst, -1); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
139 jcc(AMD64Assembler.ConditionFlag.parity, l); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
140 jcc(AMD64Assembler.ConditionFlag.below, l); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
141 movl(dst, 0); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
142 jcc(AMD64Assembler.ConditionFlag.equal, l); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
143 incrementl(dst, 1); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
144 } else { // unordered is greater |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
145 movl(dst, 1); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
146 jcc(AMD64Assembler.ConditionFlag.parity, l); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
147 jcc(AMD64Assembler.ConditionFlag.above, l); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
148 movl(dst, 0); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
149 jcc(AMD64Assembler.ConditionFlag.equal, l); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
150 decrementl(dst, 1); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
151 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
152 bind(l); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
153 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
154 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
155 public void cmpptr(CiRegister src1, CiRegister src2) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
156 cmpq(src1, src2); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
157 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
158 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
159 public void cmpptr(CiRegister src1, CiAddress src2) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
160 cmpq(src1, src2); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
161 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
162 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
163 public void cmpptr(CiRegister src1, int src2) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
164 cmpq(src1, src2); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
165 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
166 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
167 public void cmpptr(CiAddress src1, int src2) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
168 cmpq(src1, src2); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
169 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
170 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
171 public void decrementl(CiRegister reg, int value) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
172 if (value == Integer.MIN_VALUE) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
173 subl(reg, value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
174 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
175 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
176 if (value < 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
177 incrementl(reg, -value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
178 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
179 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
180 if (value == 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
181 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
182 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
183 if (value == 1 && AsmOptions.UseIncDec) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
184 decl(reg); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
185 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
186 subl(reg, value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
187 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
188 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
189 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
190 public void decrementl(CiAddress dst, int value) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
191 if (value == Integer.MIN_VALUE) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
192 subl(dst, value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
193 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
194 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
195 if (value < 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
196 incrementl(dst, -value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
197 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
198 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
199 if (value == 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
200 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
201 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
202 if (value == 1 && AsmOptions.UseIncDec) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
203 decl(dst); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
204 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
205 subl(dst, value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
206 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
207 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
208 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
209 public void incrementl(CiRegister reg, int value) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
210 if (value == Integer.MIN_VALUE) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
211 addl(reg, value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
212 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
213 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
214 if (value < 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
215 decrementl(reg, -value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
216 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
217 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
218 if (value == 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
219 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
220 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
221 if (value == 1 && AsmOptions.UseIncDec) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
222 incl(reg); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
223 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
224 addl(reg, value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
225 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
226 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
227 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
228 public void incrementl(CiAddress dst, int value) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
229 if (value == Integer.MIN_VALUE) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
230 addl(dst, value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
231 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
232 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
233 if (value < 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
234 decrementl(dst, -value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
235 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
236 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
237 if (value == 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
238 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
239 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
240 if (value == 1 && AsmOptions.UseIncDec) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
241 incl(dst); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
242 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
243 addl(dst, value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
244 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
245 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
246 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
247 public void signExtendByte(CiRegister reg) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
248 if (reg.isByte()) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
249 movsxb(reg, reg); // movsxb |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
250 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
251 shll(reg, 24); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
252 sarl(reg, 24); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
253 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
254 } |
e233f5660da4
Added Java files from Maxine project.
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255 |
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256 public void signExtendShort(CiRegister reg) { |
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257 movsxw(reg, reg); // movsxw |
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258 } |
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259 |
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260 // Support optimal SSE move instructions. |
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261 public void movflt(CiRegister dst, CiRegister src) { |
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262 assert dst.isFpu() && src.isFpu(); |
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263 if (AsmOptions.UseXmmRegToRegMoveAll) { |
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264 movaps(dst, src); |
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265 } else { |
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266 movss(dst, src); |
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parents:
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267 } |
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parents:
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268 } |
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269 |
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270 public void movflt(CiRegister dst, CiAddress src) { |
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271 assert dst.isFpu(); |
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272 movss(dst, src); |
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273 } |
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274 |
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275 public void movflt(CiAddress dst, CiRegister src) { |
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276 assert src.isFpu(); |
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277 movss(dst, src); |
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278 } |
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279 |
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280 public void movdbl(CiRegister dst, CiRegister src) { |
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281 assert dst.isFpu() && src.isFpu(); |
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282 if (AsmOptions.UseXmmRegToRegMoveAll) { |
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283 movapd(dst, src); |
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284 } else { |
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285 movsd(dst, src); |
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286 } |
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287 } |
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288 |
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289 public void movdbl(CiRegister dst, CiAddress src) { |
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290 assert dst.isFpu(); |
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291 if (AsmOptions.UseXmmLoadAndClearUpper) { |
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292 movsd(dst, src); |
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293 } else { |
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294 movlpd(dst, src); |
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295 } |
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296 } |
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297 |
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298 public void movdbl(CiAddress dst, CiRegister src) { |
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299 assert src.isFpu(); |
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300 movsd(dst, src); |
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301 } |
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302 |
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|
303 /** |
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304 * Non-atomic write of a 64-bit constant to memory. Do not use |
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305 * if the address might be a volatile field! |
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306 */ |
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307 public void movlong(CiAddress dst, long src) { |
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308 CiAddress high = new CiAddress(dst.kind, dst.base, dst.index, dst.scale, dst.displacement + 4); |
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309 movl(dst, (int) (src & 0xFFFFFFFF)); |
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310 movl(high, (int) (src >> 32)); |
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311 } |
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312 |
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313 public void xchgptr(CiRegister src1, CiRegister src2) { |
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314 xchgq(src1, src2); |
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315 } |
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316 |
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317 public void flog(CiRegister dest, CiRegister value, boolean base10) { |
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318 assert value.spillSlotSize == dest.spillSlotSize; |
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319 |
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320 CiAddress tmp = new CiAddress(CiKind.Double, AMD64.RSP); |
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321 if (base10) { |
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322 fldlg2(); |
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|
323 } else { |
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324 fldln2(); |
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|
325 } |
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326 subq(AMD64.rsp, value.spillSlotSize); |
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327 movsd(tmp, value); |
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328 fld(tmp); |
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329 fyl2x(); |
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330 fstp(tmp); |
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parents:
diff
changeset
|
331 movsd(dest, tmp); |
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parents:
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changeset
|
332 addq(AMD64.rsp, dest.spillSlotSize); |
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parents:
diff
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|
333 } |
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diff
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|
334 |
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335 public void fsin(CiRegister dest, CiRegister value) { |
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336 ftrig(dest, value, 's'); |
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|
337 } |
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diff
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|
338 |
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339 public void fcos(CiRegister dest, CiRegister value) { |
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340 ftrig(dest, value, 'c'); |
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|
341 } |
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diff
changeset
|
342 |
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diff
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|
343 public void ftan(CiRegister dest, CiRegister value) { |
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344 ftrig(dest, value, 't'); |
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|
345 } |
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346 |
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parents:
diff
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|
347 private void ftrig(CiRegister dest, CiRegister value, char op) { |
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348 assert value.spillSlotSize == dest.spillSlotSize; |
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349 |
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350 CiAddress tmp = new CiAddress(CiKind.Double, AMD64.RSP); |
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351 subq(AMD64.rsp, value.spillSlotSize); |
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|
352 movsd(tmp, value); |
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diff
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|
353 fld(tmp); |
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parents:
diff
changeset
|
354 if (op == 's') { |
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|
355 fsin(); |
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diff
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|
356 } else if (op == 'c') { |
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|
357 fcos(); |
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parents:
diff
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|
358 } else if (op == 't') { |
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parents:
diff
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|
359 fptan(); |
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parents:
diff
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|
360 fstp(0); // ftan pushes 1.0 in addition to the actual result, pop |
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parents:
diff
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|
361 } else { |
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parents:
diff
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|
362 throw new InternalError("should not reach here"); |
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parents:
diff
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|
363 } |
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parents:
diff
changeset
|
364 fstp(tmp); |
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parents:
diff
changeset
|
365 movsd(dest, tmp); |
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parents:
diff
changeset
|
366 addq(AMD64.rsp, dest.spillSlotSize); |
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parents:
diff
changeset
|
367 } |
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parents:
diff
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|
368 |
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parents:
diff
changeset
|
369 /** |
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parents:
diff
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|
370 * Emit code to save a given set of callee save registers in the |
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parents:
diff
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|
371 * {@linkplain CiCalleeSaveLayout CSA} within the frame. |
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parents:
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|
372 * @param csl the description of the CSA |
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parents:
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|
373 * @param frameToCSA offset from the frame pointer to the CSA |
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parents:
diff
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|
374 */ |
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parents:
diff
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|
375 public void save(CiCalleeSaveLayout csl, int frameToCSA) { |
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parents:
diff
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|
376 CiRegisterValue frame = frameRegister.asValue(); |
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parents:
diff
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|
377 for (CiRegister r : csl.registers) { |
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parents:
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|
378 int offset = csl.offsetOf(r); |
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parents:
diff
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|
379 movq(new CiAddress(target.wordKind, frame, frameToCSA + offset), r); |
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parents:
diff
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|
380 } |
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381 } |
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382 |
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383 public void restore(CiCalleeSaveLayout csl, int frameToCSA) { |
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384 CiRegisterValue frame = frameRegister.asValue(); |
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385 for (CiRegister r : csl.registers) { |
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386 int offset = csl.offsetOf(r); |
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387 movq(r, new CiAddress(target.wordKind, frame, frameToCSA + offset)); |
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388 } |
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389 } |
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390 } |