Mercurial > hg > graal-compiler
annotate graal/com.oracle.graal.asm.amd64/src/com/oracle/max/asm/amd64/AMD64MacroAssembler.java @ 6528:436a24c36abe
fixed imprecise dependencies
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 08 Oct 2012 17:18:31 +0200 |
parents | 64b7dd2075c0 |
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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.amd64; |
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24 |
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25 import static com.oracle.max.asm.amd64.AMD64AsmOptions.*; |
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26 |
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27 import com.oracle.graal.api.code.*; |
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28 import com.oracle.graal.api.meta.*; |
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29 import com.oracle.max.asm.*; |
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30 |
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31 /** |
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32 * This class implements commonly used X86 code patterns. |
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33 */ |
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34 public class AMD64MacroAssembler extends AMD64Assembler { |
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35 |
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36 public AMD64MacroAssembler(TargetDescription target, RegisterConfig registerConfig) { |
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37 super(target, registerConfig); |
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38 } |
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39 |
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40 public void pushptr(Address src) { |
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41 pushq(src); |
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42 } |
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43 |
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44 public void popptr(Address src) { |
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45 popq(src); |
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46 } |
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47 |
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48 public void xorptr(Register dst, Register src) { |
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49 xorq(dst, src); |
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50 } |
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51 |
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52 public void xorptr(Register dst, Address src) { |
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53 xorq(dst, src); |
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54 } |
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55 |
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56 // 64 bit versions |
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57 |
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58 |
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59 public void decrementq(Register reg, int value) { |
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60 if (value == Integer.MIN_VALUE) { |
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61 subq(reg, value); |
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62 return; |
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63 } |
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64 if (value < 0) { |
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65 incrementq(reg, -value); |
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66 return; |
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67 } |
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68 if (value == 0) { |
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69 return; |
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70 } |
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71 if (value == 1 && UseIncDec) { |
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72 decq(reg); |
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73 } else { |
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74 subq(reg, value); |
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75 } |
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76 } |
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77 |
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78 public void incrementq(Register reg, int value) { |
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79 if (value == Integer.MIN_VALUE) { |
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80 addq(reg, value); |
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81 return; |
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82 } |
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83 if (value < 0) { |
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84 decrementq(reg, -value); |
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85 return; |
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86 } |
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87 if (value == 0) { |
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88 return; |
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89 } |
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90 if (value == 1 && UseIncDec) { |
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91 incq(reg); |
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92 } else { |
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93 addq(reg, value); |
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94 } |
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95 } |
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96 |
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97 // These are mostly for initializing null |
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98 public void movptr(Address dst, int src) { |
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99 movslq(dst, src); |
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100 } |
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101 |
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102 public final void cmp32(Register src1, int imm) { |
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103 cmpl(src1, imm); |
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104 } |
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105 |
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106 public final void cmp32(Register src1, Address src2) { |
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107 cmpl(src1, src2); |
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108 } |
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109 |
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110 public void cmpsd2int(Register opr1, Register opr2, Register dst, boolean unorderedIsLess) { |
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111 assert opr1.isFpu() && opr2.isFpu(); |
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112 ucomisd(opr1, opr2); |
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113 |
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114 Label l = new Label(); |
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115 if (unorderedIsLess) { |
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116 movl(dst, -1); |
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117 jcc(AMD64Assembler.ConditionFlag.parity, l); |
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118 jcc(AMD64Assembler.ConditionFlag.below, l); |
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119 movl(dst, 0); |
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120 jcc(AMD64Assembler.ConditionFlag.equal, l); |
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parents:
diff
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|
121 incrementl(dst, 1); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
122 } else { // unordered is greater |
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parents:
diff
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|
123 movl(dst, 1); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
124 jcc(AMD64Assembler.ConditionFlag.parity, l); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
125 jcc(AMD64Assembler.ConditionFlag.above, l); |
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parents:
diff
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|
126 movl(dst, 0); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
127 jcc(AMD64Assembler.ConditionFlag.equal, l); |
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parents:
diff
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|
128 decrementl(dst, 1); |
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parents:
diff
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|
129 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
130 bind(l); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
131 } |
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parents:
diff
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|
132 |
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|
133 public void cmpss2int(Register opr1, Register opr2, Register dst, boolean unorderedIsLess) { |
3733
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diff
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|
134 assert opr1.isFpu(); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
135 assert opr2.isFpu(); |
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parents:
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|
136 ucomiss(opr1, opr2); |
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parents:
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|
137 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
138 Label l = new Label(); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
139 if (unorderedIsLess) { |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
140 movl(dst, -1); |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
141 jcc(AMD64Assembler.ConditionFlag.parity, l); |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
142 jcc(AMD64Assembler.ConditionFlag.below, l); |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
143 movl(dst, 0); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
144 jcc(AMD64Assembler.ConditionFlag.equal, l); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
145 incrementl(dst, 1); |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
146 } else { // unordered is greater |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
147 movl(dst, 1); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
148 jcc(AMD64Assembler.ConditionFlag.parity, l); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
149 jcc(AMD64Assembler.ConditionFlag.above, l); |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
150 movl(dst, 0); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
151 jcc(AMD64Assembler.ConditionFlag.equal, l); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
152 decrementl(dst, 1); |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
153 } |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
154 bind(l); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
155 } |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
156 |
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Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
157 public void cmpptr(Register src1, Register src2) { |
3733
e233f5660da4
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parents:
diff
changeset
|
158 cmpq(src1, src2); |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
159 } |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
160 |
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diff
changeset
|
161 public void cmpptr(Register src1, Address src2) { |
3733
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parents:
diff
changeset
|
162 cmpq(src1, src2); |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
163 } |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
164 |
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Dropping Ci* prefixes. Some additional renamings in the api.code interface.
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diff
changeset
|
165 public void cmpptr(Register src1, int src2) { |
3733
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parents:
diff
changeset
|
166 cmpq(src1, src2); |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
167 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
168 |
5547
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Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
changeset
|
169 public void cmpptr(Address src1, int src2) { |
3733
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parents:
diff
changeset
|
170 cmpq(src1, src2); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
171 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
172 |
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diff
changeset
|
173 public void decrementl(Register reg, int value) { |
3733
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parents:
diff
changeset
|
174 if (value == Integer.MIN_VALUE) { |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
175 subl(reg, value); |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
176 return; |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
177 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
178 if (value < 0) { |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
179 incrementl(reg, -value); |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
180 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
181 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
182 if (value == 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
183 return; |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
184 } |
6493
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moved ADM64-specific assembler code into separate project
Doug Simon <doug.simon@oracle.com>
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6329
diff
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|
185 if (value == 1 && UseIncDec) { |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
186 decl(reg); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
187 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
188 subl(reg, value); |
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 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
191 |
5547
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Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5540
diff
changeset
|
192 public void decrementl(Address dst, int value) { |
3733
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
193 if (value == Integer.MIN_VALUE) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
194 subl(dst, value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
195 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
196 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
197 if (value < 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
198 incrementl(dst, -value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
199 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
200 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
201 if (value == 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
202 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
203 } |
6493
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moved ADM64-specific assembler code into separate project
Doug Simon <doug.simon@oracle.com>
parents:
6329
diff
changeset
|
204 if (value == 1 && UseIncDec) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
205 decl(dst); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
206 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
207 subl(dst, value); |
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 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
210 |
5547
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Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5540
diff
changeset
|
211 public void incrementl(Register reg, int value) { |
3733
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
212 if (value == Integer.MIN_VALUE) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
213 addl(reg, value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
214 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
215 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
216 if (value < 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
217 decrementl(reg, -value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
218 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
219 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
220 if (value == 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
221 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
222 } |
6493
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moved ADM64-specific assembler code into separate project
Doug Simon <doug.simon@oracle.com>
parents:
6329
diff
changeset
|
223 if (value == 1 && UseIncDec) { |
3733
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
224 incl(reg); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
225 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
226 addl(reg, value); |
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 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
229 |
5547
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Dropping Ci* prefixes. Some additional renamings in the api.code interface.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5540
diff
changeset
|
230 public void incrementl(Address dst, int value) { |
3733
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
231 if (value == Integer.MIN_VALUE) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
232 addl(dst, value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
233 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
234 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
235 if (value < 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
236 decrementl(dst, -value); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
237 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
238 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
239 if (value == 0) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
240 return; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
241 } |
6493
85c1b84f8fd9
moved ADM64-specific assembler code into separate project
Doug Simon <doug.simon@oracle.com>
parents:
6329
diff
changeset
|
242 if (value == 1 && UseIncDec) { |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
243 incl(dst); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
244 } else { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
245 addl(dst, value); |
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246 } |
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247 } |
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248 |
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249 public void signExtendByte(Register reg) { |
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250 if (reg.isByte()) { |
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251 movsxb(reg, reg); // movsxb |
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252 } else { |
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253 shll(reg, 24); |
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254 sarl(reg, 24); |
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255 } |
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256 } |
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257 |
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258 public void signExtendShort(Register reg) { |
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259 movsxw(reg, reg); // movsxw |
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260 } |
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261 |
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262 // Support optimal SSE move instructions. |
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263 public void movflt(Register dst, Register src) { |
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264 assert dst.isFpu() && src.isFpu(); |
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265 if (UseXmmRegToRegMoveAll) { |
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266 movaps(dst, src); |
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267 } else { |
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268 movss(dst, src); |
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269 } |
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270 } |
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271 |
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272 public void movflt(Register dst, Address src) { |
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273 assert dst.isFpu(); |
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274 movss(dst, src); |
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275 } |
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276 |
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277 public void movflt(Address dst, Register src) { |
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278 assert src.isFpu(); |
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279 movss(dst, src); |
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280 } |
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281 |
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282 public void movdbl(Register dst, Register src) { |
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283 assert dst.isFpu() && src.isFpu(); |
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284 if (UseXmmRegToRegMoveAll) { |
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285 movapd(dst, src); |
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286 } else { |
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287 movsd(dst, src); |
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288 } |
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289 } |
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290 |
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291 public void movdbl(Register dst, Address src) { |
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292 assert dst.isFpu(); |
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293 if (UseXmmLoadAndClearUpper) { |
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294 movsd(dst, src); |
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295 } else { |
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296 movlpd(dst, src); |
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297 } |
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298 } |
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299 |
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300 public void movdbl(Address dst, Register src) { |
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301 assert src.isFpu(); |
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302 movsd(dst, src); |
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303 } |
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304 |
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305 /** |
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306 * Non-atomic write of a 64-bit constant to memory. Do not use |
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307 * if the address might be a volatile field! |
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308 */ |
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309 public void movlong(Address dst, long src) { |
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310 Address high = new Address(dst.getKind(), dst.getBase(), dst.getIndex(), dst.getScale(), dst.getDisplacement() + 4); |
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311 movl(dst, (int) (src & 0xFFFFFFFF)); |
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312 movl(high, (int) (src >> 32)); |
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313 } |
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314 |
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315 public void xchgptr(Register src1, Register src2) { |
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316 xchgq(src1, src2); |
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317 } |
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318 |
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319 public void flog(Register dest, Register value, boolean base10) { |
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320 assert value.spillSlotSize == dest.spillSlotSize; |
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321 |
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322 Address tmp = new Address(Kind.Double, AMD64.RSP); |
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323 if (base10) { |
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324 fldlg2(); |
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325 } else { |
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326 fldln2(); |
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327 } |
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328 subq(AMD64.rsp, value.spillSlotSize); |
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329 movsd(tmp, value); |
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330 fld(tmp); |
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331 fyl2x(); |
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332 fstp(tmp); |
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333 movsd(dest, tmp); |
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334 addq(AMD64.rsp, dest.spillSlotSize); |
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335 } |
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336 |
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337 public void fsin(Register dest, Register value) { |
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338 ftrig(dest, value, 's'); |
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339 } |
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340 |
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341 public void fcos(Register dest, Register value) { |
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342 ftrig(dest, value, 'c'); |
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343 } |
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344 |
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345 public void ftan(Register dest, Register value) { |
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346 ftrig(dest, value, 't'); |
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347 } |
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348 |
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349 private void ftrig(Register dest, Register value, char op) { |
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350 assert value.spillSlotSize == dest.spillSlotSize; |
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351 |
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352 Address tmp = new Address(Kind.Double, AMD64.RSP); |
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353 subq(AMD64.rsp, value.spillSlotSize); |
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354 movsd(tmp, value); |
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355 fld(tmp); |
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356 if (op == 's') { |
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357 fsin(); |
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358 } else if (op == 'c') { |
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359 fcos(); |
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360 } else if (op == 't') { |
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361 fptan(); |
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362 fstp(0); // ftan pushes 1.0 in addition to the actual result, pop |
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|
363 } else { |
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|
364 throw new InternalError("should not reach here"); |
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|
365 } |
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366 fstp(tmp); |
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367 movsd(dest, tmp); |
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368 addq(AMD64.rsp, dest.spillSlotSize); |
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369 } |
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370 |
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371 /** |
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372 * Emit code to save a given set of callee save registers in the |
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373 * {@linkplain CalleeSaveLayout CSA} within the frame. |
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374 * @param csl the description of the CSA |
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375 * @param frameToCSA offset from the frame pointer to the CSA |
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376 */ |
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377 public void save(CalleeSaveLayout csl, int frameToCSA) { |
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378 RegisterValue frame = frameRegister.asValue(); |
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379 for (Register r : csl.registers) { |
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380 int offset = csl.offsetOf(r); |
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381 movq(new Address(target.wordKind, frame, frameToCSA + offset), r); |
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382 } |
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383 } |
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384 |
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385 public void restore(CalleeSaveLayout csl, int frameToCSA) { |
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386 RegisterValue frame = frameRegister.asValue(); |
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387 for (Register r : csl.registers) { |
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388 int offset = csl.offsetOf(r); |
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389 movq(r, new Address(target.wordKind, frame, frameToCSA + offset)); |
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390 } |
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391 } |
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392 } |